JP2007129790A - Electrical connection box - Google Patents

Electrical connection box Download PDF

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JP2007129790A
JP2007129790A JP2005318007A JP2005318007A JP2007129790A JP 2007129790 A JP2007129790 A JP 2007129790A JP 2005318007 A JP2005318007 A JP 2005318007A JP 2005318007 A JP2005318007 A JP 2005318007A JP 2007129790 A JP2007129790 A JP 2007129790A
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lower cover
junction box
block
protrusion
blocks
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JP4544132B2 (en
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Noriyuki Yoshida
範之 吉田
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Sumitomo Wiring Systems Ltd
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Sumitomo Wiring Systems Ltd
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Abstract

<P>PROBLEM TO BE SOLVED: To enhance reliability in electrical connection of internal circuits of a divided electrical connection box. <P>SOLUTION: The electrical connection box comprises a plurality of blocks provided by dividing an electrical connection box body, and one lower cover for containing the plurality of blocks. Each divided block contains a bus bar and a relay, a fuse or/and a connector connected, with a wire are attached thereto. At the division end of these blocks, a circuit connecting portion for interconnecting the bus bars is provided and grooves, extending vertically from the lower end of the block, are provided on the opposite sides of the circuit connection portion. Furthermore, bases are provided on the inner surface of the bottom wall of the lower cover, at positions corresponding to the grooves provided on the opposite sides of the circuit connection portion, and a protrusion is provided to protrude upward from the upper surface of the base. When the electrical connection box body is contained in the lower cover, it is mounted on the base, and the protrusion on the base is inserted into the groove of the electric connection box body which is thereby positioned in the lower cover. <P>COPYRIGHT: (C)2007,JPO&INPIT

Description

本発明は、電気接続箱に関し、詳しくは、ワイヤハーネスの分割に伴って分割された電気接続箱の内部回路同士の電気接続の信頼性を高めるものである。   The present invention relates to an electrical junction box, and more particularly, to improve the reliability of electrical connection between internal circuits of the electrical junction box divided along with the division of the wire harness.

従来、自動車に搭載される電気接続箱として、特開平８−１８５９２１号公報（特許文献１）において、図１８に示す電気接続箱１が提供されている。該電気接続箱１はワイヤハーネスＷ／Ｈの端末に接続されたアンダーケース４をヒューズ収容部６やリレー収容部７が設けられたメインケース３に取り付けて、アッパーカバー２とロアカバー５とによって上下から閉塞する構造を有している。   Conventionally, as an electrical connection box mounted on an automobile, Japanese Patent Laying-Open No. 8-185921 (Patent Document 1) provides an electrical connection box 1 shown in FIG. The electrical junction box 1 is attached to a main case 3 provided with a fuse housing portion 6 and a relay housing portion 7 by attaching an undercase 4 connected to a terminal of the wire harness W / H, and is moved up and down by an upper cover 2 and a lower cover 5. It has a structure that closes off.

一方、自動車に配索されるワイヤハーネスは電源分配システムの効率化等を目的として、従来は１つであったワイヤハーネスを複数に分割することでワイヤハーネスの軽量化、小径化、共用化、電線の取り回しの簡素化等を図る場合がある。
このように複数に分割されたワイヤハーネスは、それぞれ個別の組立工程で製造されることとなるが、電気接続箱本体に接続されるワイヤハーネスは、通常電気接続箱本体を接続して一体化した状態で納入を行うため、ワイヤハーネスの分割に伴って電気接続箱本体も複数に分割し、後に分割された電気接続箱本体を合体する構造とすることが必要となる。このような電気接続箱では、分割されたブロックに回路接続部をそれぞれ設け、回路接続部同士を接続して内部回路を接続している。このように合体させた電気接続箱本体をロアカバー内に収容し、電気接続箱本体の周壁外面に設けたロック部とロアカバーの周壁内面に設けたロック部とを嵌合して電気接続箱本体をロアカバー内にロック固定している。 On the other hand, for the purpose of improving the efficiency of the power distribution system, etc., the wire harness routed in the automobile is divided into a plurality of wire harnesses that have been conventionally one, making the wire harness lighter, smaller in diameter, shared, There are cases where the handling of electric wires is simplified.
In this way, the wire harness divided into a plurality of parts will be manufactured in separate assembly processes, but the wire harness connected to the electrical junction box body is usually integrated by connecting the electrical junction box body. In order to deliver in a state, it is necessary to divide the electrical junction box body into a plurality of parts along with the division of the wire harness, and to combine the divided electrical junction box bodies later. In such an electrical connection box, circuit connection portions are provided in the divided blocks, and the circuit connection portions are connected to each other to connect internal circuits. The electric junction box main body combined in this way is accommodated in the lower cover, and the lock portion provided on the outer peripheral wall surface of the electric junction box main body and the lock portion provided on the inner peripheral wall surface of the lower cover are fitted together to connect the electric junction box main body. It is locked in the lower cover.

しかしながら、電気接続箱本体の周壁のみをロアカバーに固定する構成とすると、電気接続箱本体が回路接続部近傍で保持されず、かつ、各ブロックへ伝わる振動の大きさが異なるおそれがあるため、自動車走行時の振動により回路接続部において接触不良が生じうる。
特開平８−１８５９２１号公報 However, if only the peripheral wall of the electrical junction box body is fixed to the lower cover, the electrical junction box body is not held in the vicinity of the circuit connection portion, and the magnitude of vibration transmitted to each block may be different. Contact failure may occur in the circuit connection due to vibration during traveling.
Japanese Patent Laid-Open No. 8-185921

本発明は前記問題に鑑みてなされたものであり、分割された電気接続箱本体の内部回路同士の電気接続の信頼性を高めることを課題としている。   This invention is made | formed in view of the said problem, and makes it the subject to improve the reliability of the electrical connection of the internal circuits of the divided | segmented electrical junction box main body.

前記課題を解決するため、本発明は、電気接続箱本体を分割して設けた複数のブロックと、これら複数のブロックを収容する１つのロアカバーとを備え、
前記分割されたブロックは、それぞれバスバーが収容されていると共にリレー、ヒューズあるいは／および電線に接続されたコネクタが装着され、これらブロックの分割端には前記バスバー同士を接続させる回路接続部と該回路接続部の両側にブロックの下端から上下方向に延在する溝が設けられ、
前記ロアカバーの底壁内面には前記回路接続部の両側に設けた溝に対応する位置に台座が設けられていると共に、該台座の上面から上方に向けて突出する突起が設けられ、
前記電気接続箱本体をロアカバー内に収容すると、電気接続箱本体が前記台座上に載置されると共に、前記台座上の突起が前記電気接続箱本体の溝に挿入されて、前記電気接続箱本体がロアカバー内で位置決めされる構成としていることを特徴とする電気接続箱を提供している。 In order to solve the above-mentioned problem, the present invention includes a plurality of blocks provided by dividing an electric junction box body, and a single lower cover that accommodates the plurality of blocks.
Each of the divided blocks accommodates a bus bar and is attached with a connector connected to a relay, a fuse or / and an electric wire, and a circuit connecting portion for connecting the bus bars to the divided end of the block and the circuit Grooves extending in the vertical direction from the lower end of the block are provided on both sides of the connection part,
On the inner surface of the bottom wall of the lower cover, a pedestal is provided at a position corresponding to the groove provided on both sides of the circuit connection portion, and a protrusion protruding upward from the upper surface of the pedestal is provided,
When the electrical junction box body is accommodated in the lower cover, the electrical junction box body is placed on the pedestal, and a protrusion on the pedestal is inserted into a groove of the electrical junction box body, so that the electrical junction box body An electrical junction box is provided that is configured to be positioned in the lower cover.

前記構成によれば、ロアカバーの底壁に設けた台座に電気接続箱本体を載置して回路接続部の近傍で保持すると共に、各ブロックに設けた溝に台座に設けた同一の突起を挿入して各ブロック同士を突起で位置決めしている。よって、ロアカバーから分割された各ブロックに伝わる振動を均一にすることができ、回路接続部における接触不良を防止することができる。   According to the above configuration, the electrical connection box body is placed on the base provided on the bottom wall of the lower cover and is held in the vicinity of the circuit connection portion, and the same protrusion provided on the base is inserted into the groove provided in each block. Thus, the blocks are positioned by protrusions. Therefore, the vibration transmitted to each block divided from the lower cover can be made uniform, and contact failure in the circuit connection portion can be prevented.

前記電気接続箱本体下面と台座上面との間あるいは／および前記溝内面と突起外面との間に振動吸収材を介在させていることが好ましい。
前記構成によれば、電気接続箱本体とロアカバーとの間に振動吸収材が介在されているため、電気接続箱本体がロアカバーから受ける振動を低減でき、電気接続箱本体の回路接続部における接触不良をより確実に防止することができる。
振動吸収材としては、例えば、ウレタン、ゴム等が挙げられる。 It is preferable that a vibration absorbing material is interposed between the lower surface of the electric junction box main body and the upper surface of the base or / and between the inner surface of the groove and the outer surface of the protrusion.
According to the above configuration, since the vibration absorbing material is interposed between the electrical junction box main body and the lower cover, vibration received by the electrical junction box main body from the lower cover can be reduced, and poor contact in the circuit connection portion of the electrical junction box main body. Can be prevented more reliably.
Examples of the vibration absorbing material include urethane and rubber.

前記突起外面と溝内面のいずれか一方に係止爪を設けていると共に、いずれか他方に係止溝を設けており、前記係止爪が係止溝に係止されて、前記ブロックが前記突起に係止固定される構成としていることが好ましい。
前記構成によれば、各ブロックをロアカバー側の突起で位置決めするだけでなく、各ブロックを突起に係止固定しているため、各ブロックにかかる振動をより均一化させると共に、ブロック間の位置ズレをなくして回路接続部における接触不良を防止することができる。 A locking claw is provided on one of the outer surface of the protrusion and the inner surface of the groove, and a locking groove is provided on the other, the locking claw is locked to the locking groove, and the block is It is preferable that the structure is fixed to the protrusion.
According to the above-described configuration, each block is not only positioned by the protrusion on the lower cover side, but each block is locked and fixed to the protrusion, so that the vibration applied to each block is made more uniform and the positional deviation between the blocks is also increased. It is possible to prevent contact failure at the circuit connecting portion.

前記回路接続部の両側に前記ブロック同士を結合するロック部を設けてもよい。
前記構成によっても各ブロック同士をロック固定することによりロアカバーから受ける振動を均一にすることができ、回路接続部における接触不良を防止することができる。 You may provide the lock part which couple | bonds the said blocks on both sides of the said circuit connection part.
Also with the above-described configuration, the blocks are fixed to each other so that the vibration received from the lower cover can be made uniform, and poor contact at the circuit connecting portion can be prevented.

前述したように、本発明によれば、ロアカバーの底壁に設けた台座に電気接続箱本体を載置して回路接続部の近傍で保持すると共に、各ブロックに設けた溝に台座に設けた同一の突起を挿入して各ブロック同士を突起で位置決めしているため、ロアカバーから各ブロックに伝わる振動を均一にでき、回路接続部における接触不良を防止することができる。   As described above, according to the present invention, the electric connection box body is placed on the pedestal provided on the bottom wall of the lower cover and is held in the vicinity of the circuit connection portion, and the pedestal is provided in the groove provided in each block. Since the same protrusion is inserted and the blocks are positioned by the protrusion, the vibration transmitted from the lower cover to each block can be made uniform, and contact failure at the circuit connecting portion can be prevented.

本発明の実施形態を図面を参照して説明する。
図１乃至図７は、本発明の第１実施形態を示し、電気接続箱１０は、別個のワイヤハーネス（電線）に接続されるために中央ラインに沿って２分割された第１ブロック２０と第２ブロック３０とからなる電気接続箱本体１１と、該電気接続箱本体１１を収容するロアカバー４０と、該ロアカバー４０の上面に被せられるアッパーカバー５０からなる。 Embodiments of the present invention will be described with reference to the drawings.
1 to 7 show a first embodiment of the present invention, in which an electrical connection box 10 includes a first block 20 divided into two along a central line for connection to a separate wire harness (electric wire). The electric connection box main body 11 including the second block 30, a lower cover 40 that accommodates the electric connection box main body 11, and an upper cover 50 that covers the upper surface of the lower cover 40.

第１、第２ブロック２０、３０は、樹脂製のケース２１、３１の上面に複数のヒューズ収容部２１ａ、３１ａ、リレー収容部２１ｂ、３１ｂを設けると共に、下面にコネクタ収容部２１ｃ、３１ｃを設けている。該ヒューズ収容部２１ａ、３１ａ、リレー収容部２１ｂ、３１ｂ、コネクタ収容部２１ｃ、３１ｃにヒューズ、リレー、ワイヤハーネスに接続されたコネクタ（いずれも図示せず）をそれぞれ収容すると、これらヒューズ、リレー、コネクタの端子がケース２１、３１内のバスバー２２、３２に設けたタブ（図示せず）と接続される構成としている。
また、第１、第２ブロック２０、３０の分割端２１ｄ、３１ｄ以外の周壁には、上下方向に延在する水平断面Ｔ字状のガイド溝２１ｅ、３１ｅをそれぞれ設け、該ガイド溝２１ｅ、３１ｅの内面の所要箇所に係止爪２１ｆ、３１ｆを設けている。 The first and second blocks 20 and 30 are provided with a plurality of fuse accommodating portions 21a and 31a and relay accommodating portions 21b and 31b on the upper surfaces of the resin cases 21 and 31, and provided with connector accommodating portions 21c and 31c on the lower surface. ing. When the fuse housing portions 21a, 31a, relay housing portions 21b, 31b, connector housing portions 21c, 31c accommodate fuses, relays, and connectors connected to wire harnesses (all not shown), these fuses, relays, The connector terminals are connected to tabs (not shown) provided on the bus bars 22 and 32 in the cases 21 and 31.
Further, guide grooves 21e and 31e having a T-shaped horizontal section extending in the vertical direction are provided on the peripheral walls other than the divided ends 21d and 31d of the first and second blocks 20 and 30, respectively. Locking claws 21f and 31f are provided at required locations on the inner surface of the inner surface.

第１ブロック２０の分割端２１ｄの中央上面には、図２に示すように、第１ブロック２０と第２ブロック３０の内部回路同士を接続するための回路接続部２３を設けている。該回路接続部２３は、ケース２１の上面から上面開口の枠部２３ａが上方に向けて突出しており、該枠部２３ａ内にバスバー２２に設けた雄タブ２２ａを上方に向けて突出させている。枠部２３ａの分割端２１ｄ側を除く周囲には水平断面コ字状の溝部２３ｂを設けている。
また、第１ブロック２０の分割端２１ｄには、回路接続部２３を挟む両側にケース２１の上面から下面にかけて延在する水平断面Ｌ字状の溝２４を設けている。 As shown in FIG. 2, a circuit connection portion 23 for connecting the internal circuits of the first block 20 and the second block 30 is provided on the central upper surface of the divided end 21 d of the first block 20. In the circuit connecting portion 23, a frame portion 23a having an upper surface opening protrudes upward from the upper surface of the case 21, and a male tab 22a provided on the bus bar 22 protrudes upward in the frame portion 23a. . A groove portion 23b having a U-shaped horizontal section is provided around the periphery of the frame portion 23a except for the divided end 21d side.
In addition, a groove 24 having an L-shaped horizontal cross section extending from the upper surface to the lower surface of the case 21 is provided on both sides of the circuit connection portion 23 at the divided end 21 d of the first block 20.

一方、第２ブロック３０の分割端３１ｄの中央にも、図３に示すように、第１ブロック２０と第２ブロック３０の内部回路同士を接続するための回路接続部３３を設けている。該回路接続部３３は、ケース３１の上面に設けた枠部３３ａが分割端３１ｄから側方（図３中、上側）に突出して、突出枠部３３ａ−１を形成している。該突出枠部３３ａ−１は下面開口とし、内部にバスバー３２に設けた音叉状端子３２ａを下方に向けて突出させている。
また、第２ブロック３０の分割端３１ｄには、回路接続部３３を挟む両側にケース３１の上面から下面にかけて延在する水平断面Ｌ字状の溝３４を設けている。該溝３４は、第１ブロック２０と第２ブロック３０とを組み付けた状態において、分割端２１ｄ（３１ｄ）を軸として対象としている。 On the other hand, as shown in FIG. 3, a circuit connection portion 33 for connecting the internal circuits of the first block 20 and the second block 30 is also provided at the center of the divided end 31 d of the second block 30. In the circuit connecting portion 33, a frame portion 33a provided on the upper surface of the case 31 protrudes sideways (upward in FIG. 3) from the split end 31d to form a protruding frame portion 33a-1. The protruding frame portion 33a-1 has an opening on the lower surface, and a tuning fork terminal 32a provided on the bus bar 32 is protruded downward.
In addition, at the divided end 31 d of the second block 30, a groove 34 having an L-shaped horizontal section extending from the upper surface to the lower surface of the case 31 is provided on both sides of the circuit connection portion 33. The groove 34 is intended for the split end 21d (31d) as an axis in a state where the first block 20 and the second block 30 are assembled.

前記第１ブロック２０と第２ブロック３０とを組み付けた状態で収容するロアカバー４０は、図４に示すように、底壁４０ａと、該底壁４０ａの周縁から上方に向けて突出する周壁４０ｂとからなる。底壁４０ａの内面には、第１、第２ブロック２０、３０の溝２４、３４に対応する位置、即ち、第１、第２ブロック２０、３０の回路接続部２３、３３の両側近傍にあたる位置に水平断面矩形状で所要高さの台座４１を設けている。該台座４１の上面４１ａは水平面とし、該上面４１ａに上方に向けて突出する水平断面コ字状の突起４２を設けている。該突起４２は第１、第２ブロック２０、３０の溝２４、３４に挿入できる形状とし、突起４２によって第１ブロック２０と第２ブロック３０の位置ズレを防止できるよう突起４２は溝２４、３４に圧入されるように設定している。
また、ロアカバー４０の周壁４０ｂ内面の所要箇所には、第１、第２ブロック２０、３０のガイド溝２１ｅ、３１ｅに挿入される水平Ｔ字状のリブ４３を設け、該リブ４３の所要箇所に係止溝４３ａを設けている。周壁４０ｂの外面には、車体固定用のブラケット４４を設けると共に、アッパーカバー５０の係止孔（図示せず）に係止される係止爪４５を設けている。さらに、周壁４０ｂの隅部を上端から切り欠いて電線引出部４６を設けている。 As shown in FIG. 4, the lower cover 40 that accommodates the first block 20 and the second block 30 in an assembled state includes a bottom wall 40a and a peripheral wall 40b that protrudes upward from the periphery of the bottom wall 40a. Consists of. Positions corresponding to the grooves 24 and 34 of the first and second blocks 20 and 30 on the inner surface of the bottom wall 40a, that is, positions near both sides of the circuit connecting portions 23 and 33 of the first and second blocks 20 and 30. A pedestal 41 having a rectangular shape in horizontal section and a required height is provided. The upper surface 41a of the pedestal 41 is a horizontal surface, and a projection 42 having a U-shaped horizontal cross section protruding upward is provided on the upper surface 41a. The protrusion 42 has a shape that can be inserted into the grooves 24 and 34 of the first and second blocks 20 and 30, and the protrusion 42 has a groove 24 and 34 so that the protrusion 42 can prevent the first block 20 and the second block 30 from being misaligned. It is set to be press-fitted into.
In addition, a horizontal T-shaped rib 43 to be inserted into the guide grooves 21e and 31e of the first and second blocks 20 and 30 is provided at a required position on the inner surface of the peripheral wall 40b of the lower cover 40. A locking groove 43a is provided. A bracket 44 for fixing the vehicle body is provided on the outer surface of the peripheral wall 40b, and a locking claw 45 that is locked in a locking hole (not shown) of the upper cover 50 is provided. Furthermore, a wire lead-out portion 46 is provided by cutting out a corner portion of the peripheral wall 40b from the upper end.

次に、電気接続箱１０の組立方法について説明する。
まず、第１ブロック２０と第２ブロック３０の分割端２１ｄ、３１ｄ同士を対向させて、第１ブロック２０の回路接続部２３の枠部２３ａに第２ブロック３０の回路接続部３３の突出枠部３３ａ−１を上方から被せるようにして嵌合する。第１ブロック２０の上面と第２ブロックの上面とが同一高さとなる位置まで枠部２３ａと突出枠部３３ａ−１とを嵌合すると、図６に示すように、突出枠部３３ａ−１が枠部２３ａの周囲に設けた溝部２３ｂに挿入され、かつ、バスバー２２の雄タブ２２ａにバスバー３２の音叉状端子３２ａが圧接され、第１ブロック２０と第２ブロック３０の内部回路同士が接続される。このとき、第１ブロック２０の溝２４と第２ブロック３０の溝３４により水平断面コ字状の貫通孔が形成される。 Next, a method for assembling the electrical junction box 10 will be described.
First, the divided ends 21d and 31d of the first block 20 and the second block 30 face each other, and the protruding frame portion of the circuit connection portion 33 of the second block 30 faces the frame portion 23a of the circuit connection portion 23 of the first block 20. 33a-1 is fitted so as to cover from above. When the frame portion 23a and the protruding frame portion 33a-1 are fitted to a position where the upper surface of the first block 20 and the upper surface of the second block are at the same height, as shown in FIG. The tuning fork terminal 32a of the bus bar 32 is pressed into the male tab 22a of the bus bar 22 and inserted into the groove 23b provided around the frame 23a, and the internal circuits of the first block 20 and the second block 30 are connected to each other. The At this time, a through-hole having a horizontal U-shape is formed by the groove 24 of the first block 20 and the groove 34 of the second block 30.

次いで、第１ブロック２０と第２ブロック３０とを組み合わせた電気接続箱本体１１をロアカバー４０内に収容する。この収容作業は、ロアカバー４０のリブ４３を第１、第２ブロック２０、３０のガイド溝２１ｅ、３１ｅの下端から挿入し、リブ４３をガイド溝２１ｅ、３１ｅ内にスライドさせながら電気接続箱本体１１を下降させていくことにより行う。電気接続箱本体１１が所要位置まで挿入されると、ガイド溝２１ｅ、３１ｅに設けた係止爪２１ｆ、３１ｆがリブ４３の係止溝４３ａに係止され、第１、第２ブロック２０、３０がロアカバー４０内で固定される。このとき、図７に示すように、第１、第２ブロック２０、３０がロアカバー４０の台座４１の上面４１ａに載置されると共に、第１、第２ブロック２０、３０の回路接続部２３、３３の両側に設けた溝２４、３４に台座４１上に設けた突起４２が圧入される。なお、第１、第２ブロック２０、３０にコネクタ接続されたワイヤハーネスはロアカバー４０の電線引出部４６を通して外部へ引き出している。   Next, the electrical junction box body 11 in which the first block 20 and the second block 30 are combined is accommodated in the lower cover 40. In this housing operation, the rib 43 of the lower cover 40 is inserted from the lower ends of the guide grooves 21e and 31e of the first and second blocks 20 and 30, and the electric connection box body 11 is slid while the rib 43 is slid into the guide grooves 21e and 31e. This is done by lowering. When the electrical junction box body 11 is inserted to a required position, the locking claws 21f and 31f provided in the guide grooves 21e and 31e are locked to the locking grooves 43a of the rib 43, and the first and second blocks 20 and 30 are inserted. Is fixed in the lower cover 40. At this time, as shown in FIG. 7, the first and second blocks 20 and 30 are placed on the upper surface 41 a of the base 41 of the lower cover 40, and the circuit connection portions 23 of the first and second blocks 20 and 30. The protrusions 42 provided on the pedestal 41 are press-fitted into the grooves 24 and 34 provided on both sides of the 33. Note that the wire harness connected to the first and second blocks 20 and 30 is drawn to the outside through the wire lead-out portion 46 of the lower cover 40.

最後に、ロアカバー４０にアッパーカバー５０を被せてロック結合し、ロアカバー４０の電線引出部４６から引き出したワイヤハーネス（図示せず）をアッパーカバー５０のテープ巻き舌片（図示せず）にテープ巻き固定する。   Finally, the upper cover 50 is put on the lower cover 40 and locked together, and a wire harness (not shown) pulled out from the wire lead-out portion 46 of the lower cover 40 is wound around a tape winding tongue (not shown) of the upper cover 50. Fix it.

前記構成によれば、ロアカバー４０の台座４１に電気接続箱本体１１を載置して回路接続部２３、３３の近傍で保持すると共に、第１、第２ブロック２０、３０に設けた溝２４、３４に台座４１に設けた突起４２を圧入して第１、第２ブロック２０、３０を突起４２で位置決めしているため、ロアカバー４０から第１、第２ブロック２０、３０に伝わる振動を均一にできる。これにより、回路接続部２３、３３における雄タブ２２ａと音叉状端子３２ａとの接触不良を防止することができ、第１ブロック２０と第２ブロック３０との電気接続の信頼性を高めることができる。
なお、本実施形態では電気接続箱本体を２つに分割して第１、第２ブロックにより構成しているが、３つ以上に分割してこれらを組み合わせる構成としてもよい。
また、分割されたブロック同士を結合するためのロック部を各ブロックの分割端に設けてもよい。 According to the above configuration, the electrical connection box body 11 is placed on the pedestal 41 of the lower cover 40 and held in the vicinity of the circuit connection portions 23 and 33, and the grooves 24 provided in the first and second blocks 20 and 30, 34, the projection 42 provided on the base 41 is press-fitted to position the first and second blocks 20, 30 with the projection 42, so that vibration transmitted from the lower cover 40 to the first, second blocks 20, 30 is evenly distributed. it can. Thereby, contact failure with the male tab 22a and the tuning fork terminal 32a in the circuit connection parts 23 and 33 can be prevented, and the reliability of the electrical connection of the 1st block 20 and the 2nd block 30 can be improved. .
In the present embodiment, the electric junction box body is divided into two parts and configured by the first and second blocks. However, the electric connection box body may be divided into three or more parts and combined.
Moreover, you may provide the lock part for couple | bonding the divided | segmented blocks at the division | segmentation end of each block.

図８及び図９は、本発明の第２実施形態を示す。
本実施形態では、第１、第２ブロック２０、３０の回路接続部２３、３３の両側に設けた溝及び該溝に挿入される突起の形状を第１実施形態と相違させている。
即ち、第１、第２ブロック２０、３０の分割端２１ｄ、３１ｄに設けた溝２５、３５を水平断面半円形状とし、かつ、下方へいくにつれて拡径させている。また、該溝２５、３５に挿入される台座４１上の突起４７は下方へいくにつれて拡径する円柱形状としている。 8 and 9 show a second embodiment of the present invention.
In this embodiment, the shape of the groove | channel provided in the both sides of the circuit connection parts 23 and 33 of the 1st, 2nd blocks 20 and 30 and the processus | protrusion inserted in this groove | channel is made different from 1st Embodiment.
That is, the grooves 25 and 35 provided in the divided ends 21d and 31d of the first and second blocks 20 and 30 are formed in a semicircular shape in a horizontal section and are increased in diameter as going downward. The protrusion 47 on the pedestal 41 inserted into the grooves 25 and 35 has a cylindrical shape whose diameter increases as it goes downward.

前記構成であっても、ロアカバー４０の台座４１に電気接続箱本体１１を載置して回路接続部２３、３３の近傍で保持すると共に、第１、第２ブロック２０、３０に設けた溝２５、３５に円柱状の突起４７を圧入して、ロアカバー４０から第１、第２ブロック２０、３０に伝わる振動を均一にできる。これにより、回路接続部２３、３３における雄タブ２２ａと音叉状端子３２ａとの接触不良を防止することができ、第１ブロック２０と第２ブロック３０との電気接続の信頼性を高めることができる。
また、突起４７を先細りとした円柱状としているため、第１、第２ブロック２０、３０の溝２５、３５への挿入を容易にすることができる。
なお、他の構成及び作用効果は第１実施形態と同様のため、同一の符号を付して説明を省略する。 Even in the above configuration, the electrical connection box main body 11 is placed on the base 41 of the lower cover 40 and is held in the vicinity of the circuit connection portions 23 and 33, and the grooves 25 provided in the first and second blocks 20 and 30. , 35 can be press-fitted into the columnar projection 47 so that the vibration transmitted from the lower cover 40 to the first and second blocks 20 and 30 can be made uniform. Thereby, contact failure with the male tab 22a and the tuning fork terminal 32a in the circuit connection parts 23 and 33 can be prevented, and the reliability of the electrical connection of the 1st block 20 and the 2nd block 30 can be improved. .
In addition, since the projection 47 has a tapered columnar shape, the insertion of the first and second blocks 20 and 30 into the grooves 25 and 35 can be facilitated.
In addition, since another structure and an effect are the same as that of 1st Embodiment, the same code | symbol is attached | subjected and description is abbreviate | omitted.

図１０及び図１１は、本発明の第３実施形態を示す。
本実施形態では、ロアカバー４０に設けた台座４１上にウレタンからなる振動吸収材６０を配置している。よって、図１１に示すように、台座４１上に電気接続箱本体１１を載置したとき、台座４１の上面と電気接続箱本体１１の下面との間に振動吸収材６０が介在される。 10 and 11 show a third embodiment of the present invention.
In the present embodiment, a vibration absorbing material 60 made of urethane is disposed on a pedestal 41 provided on the lower cover 40. Therefore, as shown in FIG. 11, when the electrical junction box body 11 is placed on the pedestal 41, the vibration absorbing material 60 is interposed between the upper surface of the pedestal 41 and the lower surface of the electrical junction box body 11.

前記構成によれば、台座４１と電気接続箱本体１１との間に介在させた振動吸収材６０により、ロアカバー４０から電気接続箱本体１１へ伝わる振動を減衰できるため、第１ブロック２０と第２ブロック３０の電気接続の信頼性を高めることができる。   According to the above configuration, the vibration transmitted from the lower cover 40 to the electrical junction box body 11 can be attenuated by the vibration absorbing material 60 interposed between the base 41 and the electrical junction box body 11. The reliability of the electrical connection of the block 30 can be increased.

図１２及び図１３は、本発明の第４実施形態を示す。
本実施形態では、ロアカバー４０の台座４１上に設けた突起４２の外面にウレタンからなる振動吸収材６０を設けている。よって、電気接続箱本体１１をロアカバー４０に収容したとき、第１、第２ブロック２０、３０の溝２４、３４内面と突起４２外面との間に振動吸収材６０が介在される。 12 and 13 show a fourth embodiment of the present invention.
In the present embodiment, the vibration absorbing material 60 made of urethane is provided on the outer surface of the protrusion 42 provided on the base 41 of the lower cover 40. Therefore, when the electrical junction box body 11 is accommodated in the lower cover 40, the vibration absorbing material 60 is interposed between the inner surfaces of the grooves 24 and 34 of the first and second blocks 20 and 30 and the outer surface of the protrusion 42.

前記構成によっても、第３実施形態と同様、振動吸収材６０によりロアカバー４０から電気接続箱本体１１へ伝わる振動を減衰できるため、第１ブロック２０と第２ブロック３０の電気接続の信頼性を高めることができる。
なお、ロアカバーの台座上面と突起外面の両方に振動吸収材を設けてもよい。 Also according to the above-described configuration, since vibration transmitted from the lower cover 40 to the electrical junction box body 11 can be attenuated by the vibration absorbing material 60 as in the third embodiment, the reliability of electrical connection between the first block 20 and the second block 30 is improved. be able to.
A vibration absorbing material may be provided on both the upper surface of the pedestal of the lower cover and the outer surface of the protrusion.

図１４及び図１５は、本発明の第５実施形態を示す。
本実施形態では、第２実施形態と同様の円柱状の突起４７の下部に振動吸収材となるコイルスプリング６１を巻き付けている。よって、図１５に示すように、台座４１上に電気接続箱本体１１を載置したとき、台座４１の上面と電気接続箱本体１１の下面との間にコイルスプリング６１が介在される。 14 and 15 show a fifth embodiment of the present invention.
In this embodiment, a coil spring 61 serving as a vibration absorbing material is wound around a lower portion of a cylindrical protrusion 47 similar to that of the second embodiment. Therefore, as shown in FIG. 15, when the electrical junction box body 11 is placed on the pedestal 41, the coil spring 61 is interposed between the upper surface of the pedestal 41 and the lower surface of the electrical junction box body 11.

前記構成によっても、コイルスプリング６１によりロアカバー４０から電気接続箱本体１１へ伝わる振動を減衰できるため、第１ブロック２０と第２ブロック３０の電気接続の信頼性を高めることができる。
なお、本実施形態では振動吸収材をコイルスプリングとしているが、第３実施形態と同様、ウレタンやゴム等からなる振動吸収材としてもよい。 Also with the above configuration, the vibration transmitted from the lower cover 40 to the electrical junction box body 11 by the coil spring 61 can be attenuated, so that the reliability of electrical connection between the first block 20 and the second block 30 can be improved.
In the present embodiment, the vibration absorbing material is a coil spring, but as in the third embodiment, a vibration absorbing material made of urethane, rubber, or the like may be used.

図１６は、本発明の第６実施形態を示す。
本実施形態では、第２実施形態と同様の円柱状の突起４７の上端面にウレタンからなる振動吸収材６０を設けている。第１、第２ブロック２０、３０の溝２５、３５は第１、第２ブロック２０、３０の下面から上下方向の途中まで設けており、第１、第２ブロック２０、３０の上面まで設けていない。よって、電気接続箱本体１１をロアカバー４０に収容したとき、第１、第２ブロック２０、３０の溝２５、３５の上端内面と突起４７上端外面との間に振動吸収材６０が介在される。 FIG. 16 shows a sixth embodiment of the present invention.
In the present embodiment, a vibration absorbing material 60 made of urethane is provided on the upper end surface of a columnar protrusion 47 similar to that of the second embodiment. The grooves 25 and 35 of the first and second blocks 20 and 30 are provided from the lower surface of the first and second blocks 20 and 30 to the middle in the vertical direction, and are provided to the upper surface of the first and second blocks 20 and 30. Absent. Therefore, when the electrical junction box body 11 is accommodated in the lower cover 40, the vibration absorbing material 60 is interposed between the upper end inner surfaces of the grooves 25 and 35 of the first and second blocks 20 and 30 and the upper end outer surface of the protrusion 47.

これにより、振動吸収材６０によりロアカバー４０から電気接続箱本体１１へ伝わる振動を減衰できる。
なお、円柱状の突起４７の場合にも、突起４７の外周面に振動吸収材を設け、突起４７の外面と第１、第２ブロック２０、３０の溝２５、３５内面との間に振動吸収材を介在させる構成としてもよい。 Thereby, the vibration transmitted from the lower cover 40 to the electrical junction box body 11 by the vibration absorber 60 can be attenuated.
Even in the case of the columnar protrusion 47, a vibration absorbing material is provided on the outer peripheral surface of the protrusion 47, and vibration is absorbed between the outer surface of the protrusion 47 and the inner surfaces of the grooves 25 and 35 of the first and second blocks 20 and 30. It is good also as a structure which interposes material.

図１７は、本発明の第７実施形態を示す。
本実施形態では、ロアカバー４０の台座４１上に設けた突起４２の両側外面（図１７（Ａ）中、上下側）に係止爪４２ａを設けていると共に、第１、第２ブロック２０、３０の溝２４、３４内面に係止爪４２ａが係止される係止溝２４ａ、３４ａを設けている。よって、図１７（Ｂ）に示すように、台座４１上に電気接続箱本体１１を載置したとき、突起４２が溝２４、３４に挿入されると共に、突起４２の係止爪４２ａが溝２４、３４の係止溝２４ａ、３４ａに係止される。 FIG. 17 shows a seventh embodiment of the present invention.
In the present embodiment, the locking claws 42a are provided on both outer surfaces (upper and lower sides in FIG. 17A) of the protrusion 42 provided on the base 41 of the lower cover 40, and the first and second blocks 20, 30 are provided. Lock grooves 24a and 34a for locking the lock claws 42a are provided on the inner surfaces of the grooves 24 and 34. Therefore, as shown in FIG. 17B, when the electric junction box body 11 is placed on the pedestal 41, the protrusion 42 is inserted into the grooves 24 and 34, and the locking claw 42 a of the protrusion 42 has the groove 24. , 34 are locked in the locking grooves 24a, 34a.

前記構成によれば、突起４２の係止爪４２ａを溝２４、３４の係止溝２４ａ、３４ａに係止することにより、第１、第２ブロック２０、３０が同一の突起４２に係止固定されるため、第１ブロック２０と第２ブロック３０の位置ズレを確実に防止して、第１ブロック２０と第２ブロック３０の電気接続の信頼性を高めることができる。
なお、突起に係止溝を設け、溝に係止爪を設ける構成としてもよい。
また、突起に係止爪あるいは係止溝を設けた構造においても、台座上あるいは／および突起の外面に振動吸収材を設けてもよい。 According to the above configuration, the first and second blocks 20 and 30 are locked and fixed to the same protrusion 42 by locking the locking claw 42a of the protrusion 42 to the locking grooves 24a and 34a of the grooves 24 and 34. Therefore, the positional deviation between the first block 20 and the second block 30 can be reliably prevented, and the reliability of the electrical connection between the first block 20 and the second block 30 can be improved.
In addition, it is good also as a structure which provides a latching groove | channel in protrusion and a latching claw in a groove | channel.
Further, even in a structure in which the projection is provided with a locking claw or a locking groove, a vibration absorbing material may be provided on the base or / and on the outer surface of the projection.

本発明の第１実施形態の概略分解斜視図である。1 is a schematic exploded perspective view of a first embodiment of the present invention. 第１ブロックを示し、（Ａ）は平面図、（Ｂ）は正面図である。The 1st block is shown, (A) is a top view and (B) is a front view. 第２ブロックの平面図である。It is a top view of the 2nd block. ロアカバーの平面図である。It is a top view of a lower cover. ロアカバーに電気接続箱本体を収容した状態を示す平面図である。It is a top view which shows the state which accommodated the electrical-connection box main body in the lower cover. Ａ−Ａ線断面図である。It is AA sectional view. 電気接続箱の分割端での断面図である。It is sectional drawing in the division | segmentation end of an electric junction box. 第２実施形態のロアカバーに電気接続箱本体を収容した状態を示す平面図である。It is a top view which shows the state which accommodated the electrical-connection box main body in the lower cover of 2nd Embodiment. 第２実施形態の電気接続箱の分割端での断面図である。It is sectional drawing in the division | segmentation end of the electrical junction box of 2nd Embodiment. 第３実施形態のロアカバーの斜視図である。It is a perspective view of the lower cover of 3rd Embodiment. 第３実施形態の電気接続箱の分割端での断面図である。It is sectional drawing in the division | segmentation end of the electrical junction box of 3rd Embodiment. 第４実施形態のロアカバーに電気接続箱本体を収容した状態を示す平面図である。It is a top view which shows the state which accommodated the electrical-connection box main body in the lower cover of 4th Embodiment. 第４実施形態の電気接続箱の分割端での断面図である。It is sectional drawing in the division | segmentation end of the electrical junction box of 4th Embodiment. 第５実施形態のロアカバーの斜視図である。It is a perspective view of the lower cover of 5th Embodiment. 第５実施形態の電気接続箱の分割端での断面図である。It is sectional drawing in the division | segmentation end of the electrical junction box of 5th Embodiment. 第６実施形態の電気接続箱の分割端での断面図である。It is sectional drawing in the division | segmentation end of the electrical junction box of 6th Embodiment. （Ａ）は第７実施形態のロアカバーに電気接続箱本体を収容した状態を示す平面図、（Ｂ）はＢ−Ｂ線断面図である。(A) is a top view which shows the state which accommodated the electrical-connection box main body in the lower cover of 7th Embodiment, (B) is a BB sectional drawing. 従来例を示す図面である。It is drawing which shows a prior art example.

符号の説明Explanation of symbols

１０ 電気接続箱
１１ 電気接続箱本体
２０ 第１ブロック
２１ｄ 分割端
２２ バスバー
２３ 回路接続部
２４、２５ 溝
２４ａ 係止溝
３０ 第２ブロック
３１ｄ 分割端
３２ バスバー
３３ 回路接続部
３４、３５ 溝
３４ａ 係止溝
４０ ロアカバー
４１ 台座
４２、４７ 突起
４２ａ 係止爪
６０ 振動吸収材
６１ コイルスプリング DESCRIPTION OF SYMBOLS 10 Electrical connection box 11 Electrical connection box main body 20 1st block 21d Split end 22 Bus bar 23 Circuit connection part 24, 25 Groove 24a Locking groove 30 Second block 31d Split end 32 Bus bar 33 Circuit connection part 34, 35 Groove 34a Locking Groove 40 Lower cover 41 Base 42, 47 Protrusion 42a Locking claw 60 Vibration absorbing material 61 Coil spring

Claims (3)

電気接続箱本体を分割して設けた複数のブロックと、これら複数のブロックを収容する１つのロアカバーとを備え、
前記分割されたブロックは、それぞれバスバーが収容されていると共にリレー、ヒューズあるいは／および電線に接続されたコネクタが装着され、これらブロックの分割端には前記バスバー同士を接続させる回路接続部と該回路接続部の両側にブロックの下端から上下方向に延在する溝が設けられ、
前記ロアカバーの底壁内面には前記回路接続部の両側に設けた溝に対応する位置に台座が設けられていると共に、該台座の上面から上方に向けて突出する突起が設けられ、
前記電気接続箱本体をロアカバー内に収容すると、電気接続箱本体が前記台座上に載置されると共に、前記台座上の突起が前記電気接続箱本体の溝に挿入されて、前記電気接続箱本体がロアカバー内で位置決めされる構成としていることを特徴とする電気接続箱。 A plurality of blocks provided by dividing the electric junction box main body, and a single lower cover that accommodates the plurality of blocks,
Each of the divided blocks accommodates a bus bar and is attached with a connector connected to a relay, a fuse or / and an electric wire, and a circuit connecting portion for connecting the bus bars to the divided end of the block and the circuit Grooves extending in the vertical direction from the lower end of the block are provided on both sides of the connection part,
On the inner surface of the bottom wall of the lower cover, a pedestal is provided at a position corresponding to the groove provided on both sides of the circuit connection portion, and a protrusion protruding upward from the upper surface of the pedestal is provided,
When the electrical junction box body is accommodated in the lower cover, the electrical junction box body is placed on the pedestal, and a protrusion on the pedestal is inserted into a groove of the electrical junction box body, so that the electrical junction box body An electrical connection box characterized in that is positioned within the lower cover. 前記電気接続箱本体下面と台座上面との間あるいは／および前記溝内面と突起外面との間に振動吸収材を介在させている請求項１に記載の電気接続箱。   The electrical junction box according to claim 1, wherein a vibration absorbing material is interposed between the lower surface of the electrical junction box main body and the upper surface of the base or / and between the inner surface of the groove and the outer surface of the protrusion. 前記突起外面と溝内面のいずれか一方に係止爪を設けていると共に、いずれか他方に係止溝を設けており、前記係止爪が係止溝に係止されて、前記ブロックが前記突起に係止固定される構成としている請求項１または請求項２に記載の電気接続箱。   A locking claw is provided on one of the outer surface of the protrusion and the inner surface of the groove, and a locking groove is provided on the other, the locking claw is locked to the locking groove, and the block is The electrical junction box according to claim 1, wherein the electrical connection box is configured to be fixedly locked to the protrusion.
JP2005318007A 2005-11-01 2005-11-01 Electrical junction box Expired - Fee Related JP4544132B2 (en)

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008199840A (en) * 2007-02-15 2008-08-28 Yazaki Corp Electric connection box
JP2009112077A (en) * 2007-10-26 2009-05-21 Sumitomo Wiring Syst Ltd Electrical junction box to be mounted on vehicle
KR200449876Y1 (en) 2008-07-15 2010-08-17 한국단자공업 주식회사 Cover fastening apparatus of box
JP2011010373A (en) * 2009-06-23 2011-01-13 Yazaki Corp Partitioned electrical junction box
CN102386593A (en) * 2010-08-27 2012-03-21 矢崎总业株式会社 Electrical connection box
KR101934720B1 (en) * 2017-03-10 2019-01-04 영화테크(주) Module Type Junction Box
KR101969459B1 (en) * 2018-07-10 2019-04-16 한국단자공업 주식회사 Extendable multi-block and box for car having the same
JP2020010464A (en) * 2018-07-05 2020-01-16 矢崎総業株式会社 Electric wiring block joint body, electric connection box, and wiring harness
JP2020010465A (en) * 2018-07-05 2020-01-16 矢崎総業株式会社 Electric wiring block joint body, electric connection box, and wiring harness

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JPH01146719U (en) * 1988-03-18 1989-10-11
JPH0472819U (en) * 1990-11-01 1992-06-26
JPH08140240A (en) * 1994-11-04 1996-05-31 Sumitomo Wiring Syst Ltd Fixing structure of electrical connection box

Patent Citations (3)

* Cited by examiner, † Cited by third party
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JPH01146719U (en) * 1988-03-18 1989-10-11
JPH0472819U (en) * 1990-11-01 1992-06-26
JPH08140240A (en) * 1994-11-04 1996-05-31 Sumitomo Wiring Syst Ltd Fixing structure of electrical connection box

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008199840A (en) * 2007-02-15 2008-08-28 Yazaki Corp Electric connection box
JP2009112077A (en) * 2007-10-26 2009-05-21 Sumitomo Wiring Syst Ltd Electrical junction box to be mounted on vehicle
KR200449876Y1 (en) 2008-07-15 2010-08-17 한국단자공업 주식회사 Cover fastening apparatus of box
JP2011010373A (en) * 2009-06-23 2011-01-13 Yazaki Corp Partitioned electrical junction box
CN102386593A (en) * 2010-08-27 2012-03-21 矢崎总业株式会社 Electrical connection box
KR101934720B1 (en) * 2017-03-10 2019-01-04 영화테크(주) Module Type Junction Box
JP2020010464A (en) * 2018-07-05 2020-01-16 矢崎総業株式会社 Electric wiring block joint body, electric connection box, and wiring harness
JP2020010465A (en) * 2018-07-05 2020-01-16 矢崎総業株式会社 Electric wiring block joint body, electric connection box, and wiring harness
JP7080563B2 (en) 2018-07-05 2022-06-06 矢崎総業株式会社 Electrical wiring block joints, electrical junction boxes and wire harnesses
JP7080562B2 (en) 2018-07-05 2022-06-06 矢崎総業株式会社 Electrical wiring block joints, electrical junction boxes and wire harnesses
KR101969459B1 (en) * 2018-07-10 2019-04-16 한국단자공업 주식회사 Extendable multi-block and box for car having the same

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