JP2022102344A - Electric connection box - Google Patents

Electric connection box Download PDF

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Publication number
JP2022102344A
JP2022102344A JP2020217025A JP2020217025A JP2022102344A JP 2022102344 A JP2022102344 A JP 2022102344A JP 2020217025 A JP2020217025 A JP 2020217025A JP 2020217025 A JP2020217025 A JP 2020217025A JP 2022102344 A JP2022102344 A JP 2022102344A
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Prior art keywords
connector
box body
slit
accommodating recess
wire harness
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JP2020217025A
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JP7221926B2 (en
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一栄 高橋
Kazue Takahashi
考広 久保
Naruhiro Kubo
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Yazaki Corp
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Yazaki Corp
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Priority to JP2020217025A priority Critical patent/JP7221926B2/en
Priority to CN202111577966.8A priority patent/CN114678818B/en
Publication of JP2022102344A publication Critical patent/JP2022102344A/en
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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
    • H02G3/02—Details
    • H02G3/08—Distribution boxes; Connection or junction boxes
    • H02G3/16—Distribution boxes; Connection or junction boxes structurally associated with support for line-connecting terminals within the box
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G3/00—Installations of electric cables or lines or protective tubing therefor in or on buildings, equivalent structures or vehicles
    • H02G3/02—Details
    • H02G3/08—Distribution boxes; Connection or junction boxes
    • H02G3/081—Bases, casings or covers

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Connection Or Junction Boxes (AREA)

Abstract

To provide an electric connection box capable of preventing inward tilting of a connector accommodating recess having a slit during molding of a box body and improving the wiring workability of a wire harness.SOLUTION: An electric connection box 10 includes a connector 30 with a lock portion 33 on the top 31, a wire harness 40 that is led downward from the bottom 34 of the connector 30, and a box body 11 having a connector accommodating recess 14 having a slit 15 to which the lower portion 34 of the connector 30 is mounted and a locked portion 16 to which the lock portion 33 of the connector 30 is locked, and an inclined rib 19 for reinforcement is integrally formed on the bottom surface 18b on at least one side of the bottom surface 18 of the box body 11 divided into two by a slit 15 of the connector accommodating recess 14.SELECTED DRAWING: Figure 9

Description

本発明は、自動車等の車両の複数の電装品とバッテリの出力との間に配置される電気接続箱に関する。 The present invention relates to an electrical junction box arranged between a plurality of electrical components of a vehicle such as an automobile and the output of a battery.

この種の電気接続箱として、特許文献１に記載されたものがある。この特許文献１に記載され電気接続箱は、コネクタ収容凹部の近傍にコネクタから導出されたワイヤハーネスを案内する縦溝部を有した接続箱本体と、縦溝部に装着されてワイヤハーネスを側方へ向けて誘導するワイヤハーネス誘導保持具と、を備えている。 As an electric junction box of this kind, there is one described in Patent Document 1. The electric junction box described in Patent Document 1 has a junction box main body having a flute groove portion for guiding a wire harness derived from a connector in the vicinity of a connector accommodating recess, and a junction box body mounted on the flute groove portion to laterally move the wire harness. It is equipped with a wire harness guide holder for guiding toward.

特開２００９－７７４８６号公報Japanese Unexamined Patent Publication No. 2009-77486

しかしながら、前記従来の電気接続箱では、ワイヤハーネスを案内する縦溝部にスリットが形成されているため、接続箱本体の樹脂成形後に樹脂収縮でスリットを挟んだ縦溝部の両側に内倒れが発生し易くなる。その結果、縦溝部へのワイヤハーネス誘導保持具の装着不良に繋がる虞があり、ワイヤハーネスの配索が難しくなる。 However, in the conventional electric junction box, since the slit is formed in the vertical groove portion that guides the wire harness, inward tilting occurs on both sides of the vertical groove portion that sandwiches the slit due to resin shrinkage after resin molding of the junction box body. It will be easier. As a result, there is a possibility that the wire harness guide holder may be improperly attached to the vertical groove portion, and it becomes difficult to wire the wire harness.

本発明は、このような従来技術が有する課題に鑑みてなされたものである。そして本発明の目的は、ボックス本体の成形時にスリットを有するコネクタ収容凹部の内倒れを防止することができ、ワイヤハーネスの配索作業性を向上させることができる電気接続箱を提供することにある。 The present invention has been made in view of the problems of the prior art. An object of the present invention is to provide an electric connection box capable of preventing the inner collapse of the connector accommodating recess having a slit during molding of the box body and improving the wiring workability of the wire harness. ..

本発明の態様に係る電気接続箱は、上部にロック部を有したコネクタと、前記コネクタの下部から下向きに導出されるワイヤハーネスと、前記コネクタの下部が装着されるスリットを有したコネクタ収容凹部と前記コネクタのロック部が係止される被ロック部とを有したボックス本体と、を備え、前記コネクタ収容凹部のスリットにより二分された前記ボックス本体の底面のうちの少なくとも一方の側の底面に補強用の傾斜リブを一体形成したものである。 The electric junction box according to the aspect of the present invention has a connector having a lock portion at the upper part, a wire harness led downward from the lower part of the connector, and a connector accommodating recess having a slit to which the lower part of the connector is mounted. And a box body having a locked portion to which the lock portion of the connector is locked, provided on the bottom surface of at least one side of the bottom surface of the box body divided by the slit of the connector accommodating recess. An inclined rib for reinforcement is integrally formed.

前記コネクタ収容凹部のスリットにより二分された前記ボックス本体の底面のうちの外側の底面に補強用の傾斜リブを一体形成していることが好ましい。 It is preferable that the inclined rib for reinforcement is integrally formed on the outer bottom surface of the bottom surface of the box body divided into two by the slit of the connector accommodating recess.

前記ボックス本体は、前記コネクタ収容凹部のスリットの下方に配索された前記ワイヤハーネスが保持されるＬ字状の電線保持部を有していることが好ましい。 It is preferable that the box body has an L-shaped electric wire holding portion for holding the wire harness arranged below the slit of the connector accommodating recess.

本発明によれば、ボックス本体の成形時にスリットを有するコネクタ収容凹部の内倒れを防止することができ、ワイヤハーネスの配索作業性を向上させることができる電気接続箱を提供することができる。 INDUSTRIAL APPLICABILITY According to the present invention, it is possible to provide an electric connection box capable of preventing the inner collapse of the connector accommodating recess having a slit during molding of the box body and improving the wiring workability of the wire harness.

本発明の実施形態に係る電気接続箱としての電源ボックスの一例を示す斜視図である。It is a perspective view which shows an example of the power-source box as an electric connection box which concerns on embodiment of this invention. 上記電源ボックスのコネクタ収容凹部に装着されるコネクタの斜視図である。It is a perspective view of the connector attached to the connector accommodating recess of the power supply box. 上記電源ボックスのボックス本体を上方から見た斜視図である。It is a perspective view which looked at the box body of the power-source box from above. 上記ボックス本体を下方から見た斜視図である。It is a perspective view which looked at the box body from below. 上記ボックス本体の平面図である。It is a top view of the box body. 上記ボックス本体の正面図である。It is a front view of the box body. 上記ボックス本体の底面図である。It is a bottom view of the box body. 上記電源ボックスのコネクタ収容凹部にコネクタを装着してワイヤハーネスを配索した状態を示す正面図である。It is a front view which shows the state which attached the connector to the connector accommodating recess of the power-source box, and arranged the wire harness. 上記電源ボックスのコネクタ収容凹部にコネクタを装着してワイヤハーネスを配索した状態を示す底面図である。It is a bottom view which shows the state which attached the connector to the connector accommodating recess of the power-source box, and arranged the wire harness.

以下、図面を用いて本発明の実施形態に係る電気接続箱について詳細に説明する。 Hereinafter, the electrical junction box according to the embodiment of the present invention will be described in detail with reference to the drawings.

図１は本発明の実施形態に係る電気接続箱としての電源ボックスの一例を示す斜視図である。図２は電源ボックスのコネクタ収容凹部に装着されるコネクタの斜視図である。図３は電源ボックスのボックス本体を上方から見た斜視図である。図４はボックス本体を下方から見た斜視図である。図５はボックス本体の平面図である。図６はボックス本体の正面図である。図７はボックス本体の底面図である。図８は電源ボックスのコネクタ収容凹部にコネクタを装着してワイヤハーネスを配索した状態を示す正面図である。図９は電源ボックスのコネクタ収容凹部にコネクタを装着してワイヤハーネスを配索した状態を示す底面図である。 FIG. 1 is a perspective view showing an example of a power supply box as an electrical connection box according to an embodiment of the present invention. FIG. 2 is a perspective view of a connector mounted in the connector accommodating recess of the power supply box. FIG. 3 is a perspective view of the box body of the power supply box as viewed from above. FIG. 4 is a perspective view of the box body as viewed from below. FIG. 5 is a plan view of the box body. FIG. 6 is a front view of the box body. FIG. 7 is a bottom view of the box body. FIG. 8 is a front view showing a state in which a connector is attached to the connector accommodating recess of the power supply box and a wire harness is arranged. FIG. 9 is a bottom view showing a state in which a connector is attached to the connector accommodating recess of the power supply box and a wire harness is arranged.

図１、図８、図９に示すように、電源ボックス（電気接続箱）１０は、中央と両サイドのコネクタ２０，３０と、各コネクタ２０，３０を接続するワイヤハーネス４０と、各コネクタ２０，３０を装着する合成樹脂製のボックス本体１１と、を備えている。この電源ボックス１０は、自動車等の車両の複数の電装品とバッテリの出力との間に配置されるものである。 As shown in FIGS. 1, 8 and 9, the power supply box (electrical junction box) 10 has connectors 20 and 30 on the center and both sides, a wire harness 40 for connecting the connectors 20 and 30, and each connector 20. , 30 is provided with a box body 11 made of synthetic resin to be mounted. The power supply box 10 is arranged between a plurality of electrical components of a vehicle such as an automobile and the output of a battery.

図３に示すように、ボックス本体１１は、中央に中央のコネクタ２０が装着されるコネクタ収容凹部１２と、両側にボルト挿通孔１３と、両側の前側に両サイドのコネクタ３０の下部３４が装着されるスリット１５を有したコネクタ収容凹部１４と、を有している。また、ボックス本体１１は、スリット１５に相対向する位置に両サイドのコネクタ３０のロック部３３が係止される被ロック部１６と、スリット１５の下方に配索されたワイヤハーネス４０を保持する複数のＬ字状の電線保持部１７ａ，１７ｂと、を有している。なお、ボックス本体１１は、ボルト挿通孔１３に挿通される図示しないボルト等を介して自動車の車両に締結固定されるようになっている。 As shown in FIG. 3, the box body 11 has a connector accommodating recess 12 in which the central connector 20 is mounted in the center, bolt insertion holes 13 on both sides, and lower portions 34 of the connectors 30 on both sides on the front sides on both sides. It has a connector accommodating recess 14 having a slit 15 to be formed. Further, the box body 11 holds a locked portion 16 in which the lock portions 33 of the connectors 30 on both sides are locked at positions facing the slit 15, and a wire harness 40 arranged below the slit 15. It has a plurality of L-shaped wire holding portions 17a and 17b. The box body 11 is fastened and fixed to the vehicle of an automobile via a bolt or the like (not shown) inserted into the bolt insertion hole 13.

図３～図５、図７に示すように、コネクタ収容凹部１２は、中央の直方体状のコネクタ２０が装着される貫通孔になっていて、その相対向する内面にコネクタ２０の両側のロック部２１，２１が係止される係止突起（係止部）１２ａ，１２ａを一体形成してある。 As shown in FIGS. 3 to 5 and 7, the connector accommodating recess 12 is a through hole in which the central rectangular parallelepiped connector 20 is mounted, and the locking portions on both sides of the connector 20 are on the opposite inner surfaces thereof. The locking projections (locking portions) 12a and 12a to which the 21 and 21 are locked are integrally formed.

図３～図５、図７に示すように、スリット１５を有したコネクタ収容凹部１４は、断面コ字状に形成されていて、その相対向する両側面の下側に両サイドのコネクタ３０の下部３４が載置される底壁部１４ａ，１４ａを有している。また、図３、図４、図６、図７に示すように、コネクタ収容凹部１４のスリット１５により二分されたボックス本体１１の底面１８のうちの外側の底面（一方の側の底面）１８ｂには、補強用の傾斜リブ１９を一体形成してある。この補強用の傾斜リブ１９は、図４、図７に示すように、内側の底面１８ａのスリット１５側に向けて幅が狭くなるように斜めに形成されている。 As shown in FIGS. 3 to 5 and 7, the connector accommodating recess 14 having the slit 15 is formed in a U-shaped cross section, and the connectors 30 on both sides are formed below the opposite side surfaces thereof. It has bottom wall portions 14a and 14a on which the lower portion 34 is placed. Further, as shown in FIGS. 3, 4, 6, and 7, the outer bottom surface (bottom surface on one side) 18b of the bottom surface 18 of the box body 11 divided by the slit 15 of the connector accommodating recess 14 is formed. Is integrally formed with an inclined rib 19 for reinforcement. As shown in FIGS. 4 and 7, the reinforcing inclined rib 19 is formed diagonally so as to narrow in width toward the slit 15 side of the inner bottom surface 18a.

図３、図４に示すように、被ロック部１６は、矩形板状に形成されていて、その中央の上側に両サイドのコネクタ３０のロック部３３を案内する導入溝部１６ａを有している。また、被ロック部１６の中央には、両サイドのコネクタ３０のロック部３３の係止爪部３３ａの図示しない係止突起が係止される矩形の係止孔部１６ｂを有している。 As shown in FIGS. 3 and 4, the locked portion 16 is formed in a rectangular plate shape, and has an introduction groove portion 16a for guiding the lock portions 33 of the connectors 30 on both sides on the upper side of the center thereof. .. Further, in the center of the locked portion 16, there is a rectangular locking hole portion 16b in which a locking projection (not shown) of the locking claw portion 33a of the locking portion 33 of the connectors 30 on both sides is locked.

図１、図２に示すように、中央のコネクタ２０は、合成樹脂により直方体状に形成されていて、その両側面にはコネクタ収容凹部１２の係止突起１２ａに係止されるロック部２１がそれぞれ一体形成されている。さらに、図１、図２、図９に示すように、中央のコネクタ２０の中央の上面から底面にかけて図示しない雄端子（端子）が収容される一対の端子収容室２２，２２が形成されている。図８、図９に示すように、一対の端子収容室２２，２２に収容された各雄端子に接続された一対のワイヤハーネス４０，４０は、中央のコネクタ２０の下部２３から下向きに導出されて、両サイドの一対のコネクタ３０，３０の下部３４に延びている。 As shown in FIGS. 1 and 2, the central connector 20 is formed in a rectangular parallelepiped shape by a synthetic resin, and lock portions 21 locked to the locking projections 12a of the connector accommodating recesses 12 are provided on both side surfaces thereof. Each is integrally formed. Further, as shown in FIGS. 1, 2, and 9, a pair of terminal accommodating chambers 22 and 22 in which male terminals (terminals) (not shown) are accommodated are formed from the central upper surface to the bottom surface of the central connector 20. .. As shown in FIGS. 8 and 9, the pair of wire harnesses 40 and 40 connected to the male terminals housed in the pair of terminal accommodating chambers 22 and 22 are led downward from the lower portion 23 of the central connector 20. It extends to the lower part 34 of the pair of connectors 30 and 30 on both sides.

図１、図２、図８、図９に示すように、両サイドの一対のコネクタ３０，３０は、合成樹脂製であり、その上部３１に図示しない相手側のコネクタを嵌合するフード部３２を有している。また、コネクタ３０の上部３１の一側面には、ボックス本体１１の被ロック部１６に係脱されるロック部３３が一体形成されている。さらに、コネクタ３０の下部３４は、上部３１より小さい直方体状に形成されていて、ボックス本体１１のスリット１５を有したコネクタ収容凹部１４に装着されるようになっている。 As shown in FIGS. 1, 2, 8, and 9, the pair of connectors 30 and 30 on both sides are made of synthetic resin, and the hood portion 32 into which the connector on the other side (not shown) is fitted to the upper portion 31 thereof. have. Further, a lock portion 33 engaged with and disconnected from the locked portion 16 of the box body 11 is integrally formed on one side surface of the upper portion 31 of the connector 30. Further, the lower portion 34 of the connector 30 is formed in a rectangular parallelepiped shape smaller than the upper portion 31, and is mounted in the connector accommodating recess 14 having the slit 15 of the box body 11.

図１、図２に示すように、ロック部３３は、ボックス本体１１の被ロック部１６が収容される四角筒状に形成されている。そして、ロック部３３の中央には、下側の内面に被ロック部１６の係止孔部１６ｂに係止される図示しない係止突起を有した弾性片状の係止爪部３３ａが両側のスリット３３ｂ，３３ｂを介して形成されている。 As shown in FIGS. 1 and 2, the lock portion 33 is formed in a square cylinder shape in which the locked portion 16 of the box body 11 is housed. At the center of the lock portion 33, elastic piece-shaped locking claw portions 33a having locking projections (not shown) that are locked to the locking hole portion 16b of the locked portion 16 are provided on both sides of the lower inner surface. It is formed through the slits 33b and 33b.

図９に示すように、コネクタ３０の下部３４には、フード部３２と連通する一対の端子収容室３５，３５が形成されている。この端子収容室３５内には雌端子（端子）３６が収容されている。この雌端子３６に一端部４０ａが接続されたワイヤハーネス４０がコネクタ３０の下部３４から下向きに導出され、かつ、コネクタ収容凹部１４のスリット１５の下方に配索されて、その他端部４０ｂが中央のコネクタ２０の下部２３まで延びている。 As shown in FIG. 9, a pair of terminal accommodating chambers 35, 35 communicating with the hood portion 32 are formed in the lower portion 34 of the connector 30. A female terminal (terminal) 36 is housed in the terminal storage chamber 35. The wire harness 40 to which one end 40a is connected to the female terminal 36 is led downward from the lower portion 34 of the connector 30, and is arranged below the slit 15 of the connector accommodating recess 14, and the other end 40b is in the center. Extends to the bottom 23 of the connector 20 of.

以上実施形態の電源ボックス１０によれば、ボックス本体１１の樹脂成形直後の樹脂収縮によるコネクタ収容凹部１４のスリット１５を挟んだ両側壁部の内倒れ力に対し、ボックス本体１１の外側の底面１８ｂに形成された傾斜リブ１９が梁の役割をする。この傾斜リブ１９によりコネクタ収容凹部１４のスリット１５を挟んだ両側壁部の内倒れ力が相殺されるため、ボックス本体１１の樹脂成形時にスリット１５を有するコネクタ収容凹部１４の内倒れを確実に防止することができる。これにより、ボックス本体１１のコネクタ収容凹部１４にコネクタ３０を簡単かつ正確に装着することができ、コネクタ３０の下部３４から導出されるワイヤハーネス４０をスリット１５の下方に配索してＬ字状の電線保持部１７ａで確実に保持することができる。つまり、ワイヤハーネス４０の配索作業性を向上させることができる。 According to the power supply box 10 of the above embodiment, the bottom surface 18b on the outer side of the box body 11 with respect to the inward tilting force of the side wall portions sandwiching the slit 15 of the connector accommodating recess 14 due to the resin shrinkage immediately after the resin molding of the box body 11. The inclined rib 19 formed in the sill acts as a beam. Since the inclined rib 19 cancels the inward tilting force of the side wall portions sandwiching the slit 15 of the connector accommodating recess 14, the inward tilting of the connector accommodating recess 14 having the slit 15 during resin molding of the box body 11 is surely prevented. can do. As a result, the connector 30 can be easily and accurately mounted in the connector accommodating recess 14 of the box body 11, and the wire harness 40 led out from the lower portion 34 of the connector 30 is arranged below the slit 15 to form an L shape. Can be reliably held by the wire holding portion 17a of. That is, the wiring workability of the wire harness 40 can be improved.

以上、本実施形態を説明したが、本実施形態はこれらに限定されるものではなく、本実施形態の要旨の範囲内で種々の変形が可能である。 Although the present embodiment has been described above, the present embodiment is not limited to these, and various modifications can be made within the scope of the gist of the present embodiment.

すなわち、前記実施形態によれば、電気接続箱として電源ボックスについて説明したが、リレーボックス等の電気接続箱に適用しても良い。 That is, according to the above embodiment, the power supply box has been described as an electrical connection box, but it may be applied to an electrical connection box such as a relay box.

また、前記実施形態によれば、スリットにより二分されたボックス本体の底面のうちの外側の底面に補強用の傾斜リブを一体形成したが、スリットにより二分されたボックス本体の底面のうちの内側の底面にも補強用の傾斜リブを一体形成しても良い。 Further, according to the above embodiment, the inclined rib for reinforcement is integrally formed on the outer bottom surface of the bottom surface of the box body divided by the slit, but the inner surface of the bottom surface of the box body divided by the slit is formed. Inclined ribs for reinforcement may be integrally formed on the bottom surface.

１０ 電源ボックス（電気接続箱）
１１ ボックス本体
１４ コネクタ収容凹部
１５ スリット
１６ 被ロック部
１７ａ Ｌ字状の電線保持部
１８ 底面
１８ｂ 外側の底面（一方の側の底面）
１９ 補強用の傾斜リブ
３０ コネクタ
３１ 上部
３３ ロック部
３４ 下部
４０ ワイヤハーネス 10 Power supply box (electrical connection box)
11 Box body 14 Connector accommodating recess 15 Slit 16 Locked part 17a L-shaped wire holding part 18 Bottom surface 18b Outer bottom surface (bottom surface on one side)
19 Inclined ribs for reinforcement 30 Connector 31 Upper 33 Locks 34 Lower 40 Wire harness

Claims (3)

上部にロック部を有したコネクタと、
前記コネクタの下部から下向きに導出されるワイヤハーネスと、
前記コネクタの下部が装着されるスリットを有したコネクタ収容凹部と前記コネクタのロック部が係止される被ロック部とを有したボックス本体と、
を備え、
前記コネクタ収容凹部のスリットにより二分された前記ボックス本体の底面のうちの少なくとも一方の側の底面に補強用の傾斜リブを一体形成した電気接続箱。 A connector with a lock on the top and
A wire harness that is led downward from the bottom of the connector,
A box body having a connector accommodating recess having a slit in which the lower portion of the connector is mounted and a locked portion in which the lock portion of the connector is locked.
Equipped with
An electrical connection box in which an inclined rib for reinforcement is integrally formed on the bottom surface of at least one side of the bottom surface of the box body divided into two by the slit of the connector accommodating recess. 前記コネクタ収容凹部のスリットにより二分された前記ボックス本体の底面のうちの外側の底面に補強用の傾斜リブを一体形成した、請求項１に記載の電気接続箱。 The electrical connection box according to claim 1, wherein an inclined rib for reinforcement is integrally formed on the outer bottom surface of the bottom surface of the box body divided into two by the slit of the connector accommodating recess. 前記ボックス本体は、前記コネクタ収容凹部のスリットの下方に配索された前記ワイヤハーネスが保持されるＬ字状の電線保持部を有している、請求項１又は２に記載の電気接続箱。 The electrical connection box according to claim 1 or 2, wherein the box body has an L-shaped electric wire holding portion for holding the wire harness arranged below the slit of the connector accommodating recess.
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JP2012205329A (en) * 2011-03-24 2012-10-22 Sumitomo Wiring Syst Ltd Electrical connection box
JP2018158450A (en) * 2017-03-22 2018-10-11 古河電気工業株式会社 Resin molded body
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