JP7234814B2 - electric junction box - Google Patents

electric junction box Download PDF

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JP7234814B2
JP7234814B2 JP2019108041A JP2019108041A JP7234814B2 JP 7234814 B2 JP7234814 B2 JP 7234814B2 JP 2019108041 A JP2019108041 A JP 2019108041A JP 2019108041 A JP2019108041 A JP 2019108041A JP 7234814 B2 JP7234814 B2 JP 7234814B2
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wire bundle
fixing
piece
wire
fixed
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JP2020202659A (en
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大吾 白木
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Sumitomo Wiring Systems Ltd
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Sumitomo Wiring Systems Ltd
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    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/50—Photovoltaic [PV] energy

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  • Connection Or Junction Boxes (AREA)
  • Insertion, Bundling And Securing Of Wires For Electric Apparatuses (AREA)

Description

本開示は、電気接続箱に関するものである。 The present disclosure relates to electrical junction boxes.

従来から、車両において、電気配線の効率化やメンテナンス性の向上を目的としてリレーボックス、ヒューズボックス等の電気接続箱が用いられている（例えば、特許文献１参照）。電気接続箱のハウジングには、リレーやヒューズなどからなる電気部品が適宜装着されており、バッテリーなどからの電力を車載電装品へ供給するようになっている。また、ハウジング内の電気部品には、複数の電線が接続されており、その複数の電線は束ねられてハウジングの電線引き出し口からハウジングの外部に引き出される。そして、その電線束は、ハウジングの電線引き出し口から延出された固定片に対して粘着テープなどの巻付部材により巻き付け固定されるようになっている。また、固定片は、例えば断面円弧状など電線束の一部を収容する形状をなし、電線引き出し口から引き出された電線束を固定片に収容可能に構成されている。 2. Description of the Related Art Conventionally, in vehicles, electrical connection boxes such as relay boxes and fuse boxes have been used for the purpose of improving the efficiency of electrical wiring and maintenance (see, for example, Patent Document 1). Electrical components such as relays and fuses are appropriately attached to the housing of the electrical connection box, so that electric power from a battery or the like is supplied to on-vehicle electrical components. Moreover, a plurality of electric wires are connected to the electrical parts in the housing, and the plurality of electric wires are bundled and drawn out of the housing from a wire outlet of the housing. The wire bundle is wound and fixed by a winding member such as an adhesive tape to a fixed piece extending from the wire outlet of the housing. Further, the fixing piece has a shape such as an arcuate cross section for accommodating a part of the wire bundle, and is configured to be able to accommodate the wire bundle pulled out from the wire outlet in the fixing piece.

特開２０１６－１７４５０４号公報JP 2016-174504 A

上記のような電気接続箱では、電気部品並びに電気部品に接続される複数の電線の本数は、車種やグレードによって仕様が異なる。すなわち、ハウジングの電線引き出し口から引き出される電線束の外径が車種やグレードによって異なる。このため、電線束の外径が電線引き出し口の固定片の電線収容部の深さよりも小さい場合には、電線束を固定片に対し巻付部材によって安定して固定することができない問題があった。 In the electrical connection box as described above, the electrical components and the number of wires connected to the electrical components have different specifications depending on the vehicle type and grade. That is, the outer diameter of the wire bundle drawn out from the wire outlet of the housing differs depending on the vehicle type and grade. Therefore, when the outer diameter of the wire bundle is smaller than the depth of the wire accommodating portion of the fixed piece of the wire outlet, there is a problem that the wire bundle cannot be stably fixed to the fixed piece by the winding member. rice field.

そこで、電線引き出し口の固定片に対し、外径が異なる複数種の電線束を固定可能にした電気接続箱を提供することを目的とする。 Accordingly, it is an object of the present invention to provide an electrical connection box in which a plurality of wire bundles having different outer diameters can be fixed to a fixing piece of a wire outlet.

本開示の電気接続箱は、電気部品が収容されたハウジング本体と、前記ハウジング本体に形成された電線引き出し口と、前記電線引き出し口から前記ハウジング本体の外部側に延びる固定片とを有するハウジングと、前記電気部品に接続されるとともに、前記電線引き出し口から前記ハウジング本体の外部に引き出される電線束と、前記電線束を前記固定片に対して巻き付け固定する巻付部材と、を備え、前記固定片は、前記電線束が入り込む収容凹部を備え、前記収容凹部内に収容された前記電線束の周方向の一部を覆うように構成され、前記電線束は、前記収容凹部に入り込んだ状態で前記巻付部材にて前記固定片に固定される電気接続箱であって、前記固定片は、前記収容凹部の深さが互いに異なる第１固定部と第２固定部とを、前記電線束の長さ方向に並ぶ態様で有している。 An electrical connection box of the present disclosure includes a housing having a housing body containing electrical components, a wire outlet formed in the housing body, and a fixing piece extending from the wire outlet to the outside of the housing body. a bundle of wires connected to the electric component and pulled out of the housing body from the wire outlet; and a winding member for winding and fixing the bundle of wires around the fixing piece, The piece includes an accommodation recess into which the wire bundle enters, and is configured to cover a portion of the wire bundle in the circumferential direction accommodated in the accommodation recess, and the wire bundle enters the accommodation recess. The electrical connection box is fixed to the fixed piece by the winding member, wherein the fixed piece has a first fixed portion and a second fixed portion having different depths of the accommodation recesses, and the wire bundle is attached to the electric junction box. They are arranged in the longitudinal direction.

本開示によれば、電線引き出し口の固定片に対し、外径が異なる複数種の電線束を固定可能にした電気接続箱を提供することが可能となる。 According to the present disclosure, it is possible to provide an electrical connection box that allows a plurality of types of wire bundles having different outer diameters to be fixed to the fixing piece of the wire outlet.

図１は、実施形態にかかる電気接続箱の概略構成図である。FIG. 1 is a schematic configuration diagram of an electrical connection box according to an embodiment. 図２は、同形態の電気接続箱における電線ガイド部周辺の構成を示す斜視図である。FIG. 2 is a perspective view showing the configuration around the electric wire guide portion in the electrical junction box of the same configuration. 図３は、同形態の電気接続箱における電線ガイド部周辺の構成を示す側面図である。FIG. 3 is a side view showing the configuration around the electric wire guide portion in the electrical junction box of the same configuration. 図４は、同形態の電気接続箱における電線ガイド部周辺の構成を示す正面図である。FIG. 4 is a front view showing the configuration around the electric wire guide portion in the electrical junction box of the same configuration. 図５は、電線束の外径が大きい場合の電線束の態様を示す断面図である。FIG. 5 is a cross-sectional view showing a form of a bundle of electric wires when the outer diameter of the bundle of electric wires is large. 図６は、電線束の外径が小さい場合の電線束の態様を示す断面図である。FIG. 6 is a cross-sectional view showing a form of a wire bundle when the outer diameter of the wire bundle is small. 図７は、変更例におけるカバー片の構成を説明するための断面図である。FIG. 7 is a cross-sectional view for explaining the configuration of a cover piece in a modification.

［本開示の実施形態の説明］
最初に本開示の実施態様を列記して説明する。
本開示の電気接続箱は、
［１］電気部品が収容されたハウジング本体と、前記ハウジング本体に形成された電線引き出し口と、前記電線引き出し口から前記ハウジング本体の外部側に延びる固定片とを有するハウジングと、前記電気部品に接続されるとともに、前記電線引き出し口から前記ハウジング本体の外部に引き出される電線束と、前記電線束を前記固定片に対して巻き付け固定する巻付部材と、を備え、前記固定片は、前記電線束が入り込む収容凹部を備え、前記収容凹部内に収容された前記電線束の周方向の一部を覆うように構成され、前記電線束は、前記収容凹部に入り込んだ状態で前記巻付部材にて前記固定片に固定される電気接続箱であって、前記固定片は、前記収容凹部の深さが互いに異なる第１固定部と第２固定部とを、前記電線束の長さ方向に並ぶ態様で有している。 [Description of Embodiments of the Present Disclosure]
First, the embodiments of the present disclosure are listed and described.
The electrical junction box of the present disclosure is
[1] A housing having a housing body containing electrical components, a wire outlet formed in the housing body, and a fixing piece extending from the wire outlet to the outside of the housing body; and a winding member for winding and fixing the electric wire bundle around the fixing piece, wherein the fixing piece is connected to the electric wire. An accommodation recess into which a bundle enters is provided, and is configured to cover a part of the wire bundle in the circumferential direction accommodated in the accommodation recess, and the wire bundle is attached to the winding member in a state of entering the accommodation recess. wherein the fixing piece has a first fixing portion and a second fixing portion in which the receiving recesses have different depths and are arranged in the length direction of the wire bundle. have in a manner.

上記態様によれば、電線束の外径が大きい場合には電線束を第１固定部に巻き付け固定し、電線束の外径が小さい場合には電線束を第２固定部に巻き付け固定することが可能となる。すなわち、電線引き出し口の固定片に対し、外径が異なる複数種の電線束を固定可能となる。 According to the above aspect, when the outer diameter of the wire bundle is large, the wire bundle is wound and fixed around the first fixing portion, and when the wire bundle has a small outer diameter, the wire bundle is wound and fixed around the second fixing portion. becomes possible. That is, it becomes possible to fix a plurality of types of wire bundles having different outer diameters to the fixing piece of the wire outlet.

［２］前記電線束の周方向における前記固定片の両端部が、前記電線束の長さ方向において部分的に切り欠かれることで、前記第１固定部よりも前記収容凹部の深さが浅い前記第２固定部が構成されていることが好ましい。 [2] Both ends of the fixing piece in the circumferential direction of the wire bundle are partially cut out in the length direction of the wire bundle, so that the depth of the accommodation recess is shallower than that of the first fixing portion. It is preferable that the second fixing portion is configured.

上記態様によれば、固定片の一部を切り欠いた簡単な構成で第１固定部と第２固定部を構成できる。
［３］前記固定片の前記収容凹部を覆うカバー部を備え、前記カバー部は、前記電線束の周方向において前記固定片で覆われていない箇所を覆っていることが好ましい。 According to the above aspect, the first fixing portion and the second fixing portion can be configured with a simple configuration in which a portion of the fixing piece is cut out.
[3] It is preferable that a cover portion is provided to cover the accommodation recess of the fixed piece, and the cover portion covers a portion of the wire bundle that is not covered by the fixed piece in the circumferential direction.

上記態様によれば、固定片の収容凹部がカバー部によって覆われることで、電線引き出し口への水の浸入を抑制できる。
［４］前記カバー部は、前記電線束の周方向における前記固定片の両端部とで、前記第１固定部に巻き付けられた前記巻付部材を挟んでいることが好ましい。 According to the aspect described above, since the accommodation recess of the fixed piece is covered with the cover portion, it is possible to suppress the entry of water into the wire outlet.
[4] It is preferable that the cover part sandwiches the winding member wound around the first fixing part with both ends of the fixing piece in the circumferential direction of the wire bundle.

上記態様によれば、巻付部材を挟んだ部位において、固定片とカバー部との間からの水の浸入を抑制することが可能となる。
［５］前記カバー部は、前記第２固定部を形成するために前記固定片に切り欠き形成された切り欠き部を覆う被覆部を有していることが好ましい。 According to the above aspect, it is possible to prevent water from entering from between the fixed piece and the cover portion at the portion where the winding member is sandwiched.
[5] It is preferable that the cover portion has a covering portion that covers a notch formed in the fixing piece to form the second fixing portion.

上記態様によれば、固定片の切り欠き部が被覆部によって覆われるため、切り欠き部を介して電線引き出し口側に水が浸入することが抑制されている。
［本開示の実施形態の詳細］
本開示の電気接続箱の具体例を、以下に図面を参照しつつ説明する。なお、本発明はこれらの例示に限定されるものではなく、特許請求の範囲によって示され、特許請求の範囲と均等の意味および範囲内でのすべての変更が含まれることが意図される。 According to the above aspect, since the notch portion of the fixing piece is covered with the covering portion, water is suppressed from entering the wire outlet side through the notch portion.
[Details of the embodiment of the present disclosure]
A specific example of the electrical connection box of the present disclosure will be described below with reference to the drawings. The present invention is not limited to these exemplifications, but is indicated by the scope of the claims, and is intended to include all modifications within the scope and meaning equivalent to the scope of the claims.

図１に示すように、電気接続箱１０は、箱状のハウジング１１と、ハウジング１１に収容された電気部品１２とを有する。本実施形態の電気接続箱１０は、車両に搭載される複数の電装品とバッテリーなどの電源との間に介装されて各電装品に給配電するヒューズボックスやリレーボックスなどとして構成される。なお、本実施形態の電気部品１２は、例えばヒューズモジュールやリレーモジュールを単数、または複数備えて構成されている。 As shown in FIG. 1 , the electrical connection box 10 has a box-shaped housing 11 and electrical components 12 housed in the housing 11 . The electrical junction box 10 of the present embodiment is configured as a fuse box, a relay box, or the like that is interposed between a plurality of electrical components mounted on a vehicle and a power source such as a battery to supply and distribute power to each electrical component. The electrical component 12 of the present embodiment is configured with, for example, one or more fuse modules or relay modules.

ハウジング１１は、ハウジング本体１３と、ハウジング本体１３に組み付けられたカバー１４とを備える。ハウジング本体１３及びカバー１４は、例えば合成樹脂材からなる射出成形品である。ハウジング本体１３には、電気部品１２が組み付けられている。 The housing 11 includes a housing body 13 and a cover 14 attached to the housing body 13 . The housing main body 13 and the cover 14 are injection molded products made of synthetic resin material, for example. The electrical component 12 is assembled in the housing body 13 .

ハウジング１１の側面には、電気部品１２に接続された複数の電線の束（電線束Ｗ）を外部に引き出すための電線引き出し口１５と、電線引き出し口１５から外部側に延出された略円筒形状の電線ガイド部１６が形成されている。電線束Ｗは、電線ガイド部１６を通じてハウジング１１の外部に引き出される。なお、電気部品１２並びに電気部品１２に接続される複数の電線の本数は、車種やグレードによって仕様が異なる。このため、複数の電線からなる電線束Ｗの外径は、車種やグレードによって異なる。また、電線束Ｗが電線ガイド部１６から導出される部位には、電線ガイド部１６から電線束Ｗまで跨がって覆う粘着テープなどの外装部材Ｘが設けられている。 On the side surface of the housing 11, a wire outlet 15 for drawing out a bundle of a plurality of wires (wire bundle W) connected to the electrical component 12, and a substantially cylindrical shape extending outward from the wire outlet 15. A shaped wire guide portion 16 is formed. The wire bundle W is pulled out of the housing 11 through the wire guide portion 16 . The electrical component 12 and the number of electric wires connected to the electrical component 12 have different specifications depending on the vehicle type and grade. Therefore, the outer diameter of the electric wire bundle W made up of a plurality of electric wires differs depending on the vehicle type and grade. In addition, an exterior member X such as an adhesive tape that covers the wire bundle W from the wire guide portion 16 is provided at a portion where the wire bundle W is led out from the wire guide portion 16 .

電線ガイド部１６は、ハウジング本体１３から延出する固定片２０と、カバー１４から延出するカバー片３０とから形成されている。固定片２０及びカバー片３０の各々は、電線ガイド部１６を通る電線束Ｗの長さ方向から見て円弧形状をなしている（図２及び図４参照）。そして、固定片２０及びカバー片３０が組み合わされることで、電線ガイド部１６の略円筒形状が形成される。 The wire guide portion 16 is formed of a fixed piece 20 extending from the housing body 13 and a cover piece 30 extending from the cover 14 . Each of the fixing piece 20 and the cover piece 30 has an arc shape when viewed from the length direction of the wire bundle W passing through the wire guide portion 16 (see FIGS. 2 and 4). By combining the fixed piece 20 and the cover piece 30, the wire guide portion 16 is formed in a substantially cylindrical shape.

（固定片２０の構成）
固定片２０は、ハウジング本体１３の電線引き出し口１５と対応する位置からハウジング本体１３の外部側に延出されている。電線引き出し口１５から引き出された電線束Ｗは、巻付部材としての粘着テープＴの巻き付けによって固定片２０に固定される（図５などを参照）。なお、粘着テープＴは、ポリ塩化ビニルなどを基材とし、弾性を有するテープである。また、図２、図３及び図４では、電線束Ｗ及び粘着テープＴの図示を省略している。 (Structure of fixed piece 20)
The fixed piece 20 extends outside the housing body 13 from a position corresponding to the wire outlet 15 of the housing body 13 . The wire bundle W pulled out from the wire outlet 15 is fixed to the fixed piece 20 by winding an adhesive tape T as a winding member (see FIG. 5, etc.). In addition, the adhesive tape T is a tape which uses polyvinyl chloride as a base material and has elasticity. 2, 3 and 4, illustration of the wire bundle W and the adhesive tape T is omitted.

図２、図３及び図４に示すように、固定片２０は、前述のように円弧形状をなし、該円弧形状の窪みは、電線束Ｗが入り込む収容凹部２１となっている。また、固定片２０は、電線ガイド部１６を通る電線束Ｗの周方向の一部を覆うように構成される。そして、電線束Ｗは、固定片２０の収容凹部２１に入り込んだ状態で粘着テープＴの巻き付けによって固定片２０に固定される。 As shown in FIGS. 2, 3, and 4, the fixing piece 20 has an arc shape as described above, and the arc-shaped recess serves as a housing recess 21 into which the wire bundle W is inserted. Further, the fixed piece 20 is configured to partially cover the wire bundle W passing through the wire guide portion 16 in the circumferential direction. Then, the wire bundle W is fixed to the fixed piece 20 by winding the adhesive tape T in a state in which it is inserted into the housing recess 21 of the fixed piece 20 .

ここで、固定片２０は、固定片２０は、電線ガイド部１６の周方向Ｄ（電線ガイド部１６を通る電線束Ｗの周方向）における長さが互いに異なる第１固定部２２と第２固定部２３とを有している。第１固定部２２と第２固定部２３とは、固定片２０の長さ方向（電線束Ｗの長さ方向）において並んでいる。具体的には、固定片２０の基端部側に第１固定部２２が形成され、固定片２０の先端部側に第２固定部２３が形成されている。なお、図５には、電線ガイド部１６の軸線Ｌと直交し第１固定部２２を通る断面を示し、図６には、軸線Ｌと直交し第２固定部２３を通る断面を示している。 Here, the fixing piece 20 includes a first fixing portion 22 and a second fixing portion 22 having mutually different lengths in the circumferential direction D of the wire guide portion 16 (the circumferential direction of the wire bundle W passing through the wire guide portion 16). and a portion 23 . The first fixing portion 22 and the second fixing portion 23 are arranged side by side in the length direction of the fixing piece 20 (the length direction of the wire bundle W). Specifically, a first fixing portion 22 is formed on the proximal end side of the fixed piece 20 and a second fixing portion 23 is formed on the distal end portion side of the fixed piece 20 . 5 shows a cross section perpendicular to the axis L of the wire guide portion 16 and passing through the first fixing portion 22, and FIG. 6 shows a cross section perpendicular to the axis L and passing through the second fixing portion 23. .

また、第１固定部２２と第２固定部２３とは、電線ガイド部１６の開口方向（軸線Ｌ方向）から見て、互いに同心円弧状をなしている。すなわち、第１固定部２２及び第２固定部２３の各々は、電線束Ｗが入り込む前記収容凹部２１を有している。なお、以下では、第１固定部２２の収容凹部２１を第１収容凹部２１ａとし、第２固定部２３の収容凹部２１を第２収容凹部２１ｂとして区別して説明する。 Also, the first fixing portion 22 and the second fixing portion 23 form concentric arcs with each other when viewed from the opening direction of the wire guide portion 16 (the direction of the axis L). That is, each of the first fixing portion 22 and the second fixing portion 23 has the accommodation recess 21 into which the wire bundle W is inserted. In the following description, the accommodating recessed portion 21 of the first fixing portion 22 is referred to as a first accommodating recessed portion 21a, and the accommodating recessed portion 21 of the second fixing portion 23 is referred to as a second accommodating recessed portion 21b.

周方向Ｄにおける固定片２０の両端部２０ａには、固定片２０の先端側の部位（固定片２０の軸線Ｌ方向の一部）を切り欠いた切り欠き部２４が形成されている。これら各切り欠き部２４が形成されることで、第２固定部２３が形成されている。すなわち、切り欠き部２４を有する第２固定部２３の周方向Ｄの長さは、切り欠き部２４を有しない第１固定部２２の周方向Ｄの長さよりも短く構成される。その結果、第２固定部２３の第２収容凹部２１ｂの深さが、第１固定部２２の第１収容凹部２１ａの深さよりも浅く構成される。 At both end portions 20a of the fixed piece 20 in the circumferential direction D, notch portions 24 are formed by notching portions of the fixed piece 20 on the distal end side (part of the fixed piece 20 in the direction of the axis L). The 2nd fixing|fixed part 23 is formed by each of these notch parts 24 being formed. That is, the length in the circumferential direction D of the second fixing portion 23 having the notch portion 24 is configured to be shorter than the length in the circumferential direction D of the first fixing portion 22 having no notch portion 24 . As a result, the depth of the second housing recess 21 b of the second fixing portion 23 is configured to be shallower than the depth of the first housing recess 21 a of the first fixing portion 22 .

（カバー片３０の構成）
図２、図３及び図４に示すように、カバー片３０は、カバー１４の電線引き出し口１５と対応する位置からハウジング１１の外部側に延出されている。カバー片３０は、固定片２０の収容凹部２１を覆うように構成されている。軸線Ｌと直交する断面形状が円弧状をなすカバー片３０は、同じく軸線Ｌと直交する断面形状が円弧状をなす固定片２０とで、略円筒形状の電線ガイド部１６を形成している。すなわち、カバー片３０は、電線ガイド部１６を通る電線束Ｗの周方向（つまり、電線ガイド部１６の周方向Ｄ）において固定片２０で覆われていない箇所を覆っている。 (Structure of cover piece 30)
As shown in FIGS. 2, 3 and 4, the cover piece 30 extends outside the housing 11 from a position corresponding to the wire outlet 15 of the cover 14 . The cover piece 30 is configured to cover the housing recess 21 of the fixed piece 20 . A cover piece 30 having an arcuate cross-sectional shape perpendicular to the axis L and a fixed piece 20 having an arcuate cross-sectional shape perpendicular to the axis L together form a substantially cylindrical wire guide portion 16 . That is, the cover piece 30 covers the portion not covered by the fixed piece 20 in the circumferential direction of the wire bundle W passing through the wire guide portion 16 (that is, the circumferential direction D of the wire guide portion 16).

カバー片３０は、軸線Ｌと直交する方向において第１固定部２２と対向する第１被覆部３１を有している。また、カバー片３０は、軸線Ｌと直交する方向において第２固定部２３と対向する第２被覆部３２を有している。第１被覆部３１と第２被覆部３２とは、電線ガイド部１６の開口方向（軸線Ｌ方向）において並設されている。具体的には、カバー片３０の基端部側に第１被覆部３１が形成され、カバー片３０の先端部側に第２被覆部３２が形成されている。第１被覆部３１は、軸線Ｌと直交する断面が円弧形状をなしている（図５参照）。 The cover piece 30 has a first covering portion 31 facing the first fixing portion 22 in a direction orthogonal to the axis L. As shown in FIG. Moreover, the cover piece 30 has a second covering portion 32 facing the second fixing portion 23 in the direction perpendicular to the axis L. As shown in FIG. The first covering portion 31 and the second covering portion 32 are arranged side by side in the opening direction (axis L direction) of the wire guide portion 16 . Specifically, a first covering portion 31 is formed on the proximal end side of the cover piece 30 and a second covering portion 32 is formed on the distal end portion side of the cover piece 30 . The first covering portion 31 has an arc-shaped cross section perpendicular to the axis L (see FIG. 5).

第２被覆部３２は、軸線Ｌと直交する方向において第２固定部２３と対向する対向部３３を有している。また、第２被覆部３２は、対向部３３の周方向Ｄの両端部からそれぞれ延出された延出片３４を有している。各延出片３４は、固定片２０の各切り欠き部２４を塞ぐように構成されている。 The second covering portion 32 has a facing portion 33 that faces the second fixing portion 23 in a direction orthogonal to the axis L. As shown in FIG. In addition, the second covering portion 32 has extension pieces 34 extending from both ends of the facing portion 33 in the circumferential direction D, respectively. Each extension piece 34 is configured to block each notch portion 24 of the fixed piece 20 .

本実施形態の作用について説明する。
ハウジング１１内から電線ガイド部１６を通じて外部に引き出される電線束Ｗの外径は、車種やグレードによって異なる。ここで、図５には、電線束Ｗの外径が第１固定部２２の第１収容凹部２１ａの深さよりも大きい場合の電線束Ｗの固定態様を示している。 The operation of this embodiment will be described.
The outer diameter of the wire bundle W drawn out from the housing 11 through the wire guide portion 16 differs depending on the vehicle type and grade. Here, FIG. 5 shows a fixing mode of the wire bundle W when the outer diameter of the wire bundle W is larger than the depth of the first housing recess 21 a of the first fixing portion 22 .

図５に示すように、電線束Ｗの外径が第１固定部２２の第１収容凹部２１ａの深さよりも大きい場合には、電線束Ｗを第１収容凹部２１ａに配置したときに、電線束Ｗの一部が第１収容凹部２１ａから突出する。このため、電線束Ｗを第１収容凹部２１ａに配置した状態で、電線束Ｗを第１固定部２２に粘着テープＴによって巻き付け固定することができる。なお、粘着テープＴは、第２固定部２３側にも巻き付けられる。すなわち、電線束Ｗは、第２固定部２３にも粘着テープＴによって巻き付け固定される。 As shown in FIG. 5, when the outer diameter of the wire bundle W is larger than the depth of the first housing recess 21a of the first fixing portion 22, when the wire bundle W is arranged in the first housing recess 21a, the wires A portion of the bundle W protrudes from the first accommodation recess 21a. Therefore, the wire bundle W can be fixed by winding the adhesive tape T around the first fixing portion 22 while the wire bundle W is arranged in the first housing recess 21a. Note that the adhesive tape T is also wound around the second fixing portion 23 side. That is, the wire bundle W is also fixed by winding the adhesive tape T around the second fixing portion 23 .

また、電線束Ｗにおける第１収容凹部２１ａから露出する部分は、カバー片３０の第１被覆部３１にて被覆される。そして、第１被覆部３１の周方向Ｄの両端部３０ａと、第１固定部２２の周方向Ｄの両端部２０ａとで、粘着テープＴが挟まれて圧縮状態とされている。これにより、圧縮された粘着テープＴが第１固定部２２と第１被覆部３１との間のシールとなり、第１固定部２２と第１被覆部３１との間からの水の浸入が抑制されている。 A portion of the wire bundle W exposed from the first receiving recess 21 a is covered with the first covering portion 31 of the cover piece 30 . The adhesive tape T is sandwiched between both ends 30a of the first covering portion 31 in the circumferential direction D and both ends 20a of the first fixing portion 22 in the circumferential direction D, and is in a compressed state. As a result, the compressed adhesive tape T acts as a seal between the first fixing portion 22 and the first covering portion 31, thereby suppressing the entry of water from between the first fixing portion 22 and the first covering portion 31. ing.

一方、図６には、電線束Ｗの外径が第１固定部２２の第１収容凹部２１ａの深さよりも小さい場合の電線束Ｗの固定態様を示している。電線束Ｗの外径が第１固定部２２の第１収容凹部２１ａの深さよりも小さい場合には、第１固定部２２では電線束Ｗを粘着テープＴにて巻き付け固定できない。このため、図６に示すように、電線束Ｗを第２固定部２３の第２収容凹部２１ｂに配置した状態で、電線束Ｗを第２固定部２３に粘着テープＴによって巻き付け固定する。なお、この場合、第１固定部２２にも粘着テープＴを巻き、第１固定部２２の両端部２０ａと第１被覆部３１の両端部３０ａとで粘着テープＴを挟む構成としてもよい。 On the other hand, FIG. 6 shows how the bundle of wires W is fixed when the outer diameter of the bundle of wires W is smaller than the depth of the first housing recess 21 a of the first fixing portion 22 . If the outer diameter of the wire bundle W is smaller than the depth of the first accommodation recess 21 a of the first fixing portion 22 , the wire bundle W cannot be wound and fixed with the adhesive tape T in the first fixing portion 22 . Therefore, as shown in FIG. 6, the wire bundle W is wound around the second fixing portion 23 with the adhesive tape T in a state where the wire bundle W is arranged in the second housing recess 21b of the second fixing portion 23 and fixed. In this case, the first fixing portion 22 may also be wrapped with the adhesive tape T, and the adhesive tape T may be sandwiched between both ends 20a of the first fixing portion 22 and both ends 30a of the first covering portion 31.

また、第２固定部２３を構成するために固定片２０に切り欠き形成された各切り欠き部２４は、カバー片３０の各延出片３４によって覆われている。これにより、電線ガイド部１６の外周側から切り欠き部２４を介して電線ガイド部１６内に水が浸入することが抑制されている。 Each notch portion 24 formed by cutting the fixing piece 20 to constitute the second fixing portion 23 is covered with each extension piece 34 of the cover piece 30 . As a result, water is prevented from entering the wire guide portion 16 from the outer peripheral side of the wire guide portion 16 via the notch portion 24 .

なお、カバー片３０を含むカバー１４は、ハウジング本体１３内の電気部品１２から延びる電線束Ｗを、粘着テープＴで固定片２０に固定した後に、ハウジング本体１３に対して組み付けられるようになっている。 The cover 14 including the cover piece 30 is assembled to the housing body 13 after the wire bundle W extending from the electrical component 12 in the housing body 13 is fixed to the fixing piece 20 with the adhesive tape T. there is

本実施形態の効果について説明する。
（１）電線束Ｗが挿通される筒状の電線ガイド部１６を構成する固定片２０は、収容凹部２１の深さが互いに異なる第１固定部２２と第２固定部２３とを、電線ガイド部１６の開口方向（電線束Ｗの長さ方向）に並ぶ態様で有している。この態様によれば、電線束Ｗの外径が大きい場合には電線束Ｗを第１固定部２２に巻き付け固定し、電線束Ｗの外径が小さい場合には電線束Ｗを第２固定部２３に巻き付け固定することが可能となる。すなわち、電線引き出し口１５の固定片２０に対し、外径が異なる複数種の電線束Ｗを固定可能となる。 Effects of the present embodiment will be described.
(1) The fixed piece 20 that constitutes the tubular wire guide portion 16 through which the wire bundle W is inserted is provided with the first fixed portion 22 and the second fixed portion 23 having different depths of the housing recesses 21 . They are arranged in the opening direction of the portion 16 (the length direction of the wire bundle W). According to this aspect, when the outer diameter of the wire bundle W is large, the wire bundle W is fixed by winding it around the first fixing portion 22, and when the wire bundle W has a small outer diameter, the wire bundle W is fixed to the second fixing portion. 23 can be wound and fixed. That is, it becomes possible to fix a plurality of types of wire bundles W having different outer diameters to the fixed piece 20 of the wire outlet 15 .

（２）電線ガイド部１６の周方向Ｄ（電線束Ｗの周方向）における固定片２０の両端部２０ａが、電線束Ｗの長さ方向（軸線Ｌ方向）において部分的に切り欠かれることで、第１固定部２２よりも収容凹部２１の深さが浅い第２固定部２３が構成されている。この態様によれば、固定片２０の一部を切り欠いた簡単な構成で第１固定部２２と第２固定部２３を構成できる。 (2) Both end portions 20a of the fixing piece 20 in the circumferential direction D of the wire guide portion 16 (the circumferential direction of the wire bundle W) are partially cut out in the length direction of the wire bundle W (the direction of the axis L). , a second fixing portion 23 in which the depth of the housing recess 21 is shallower than that of the first fixing portion 22 . According to this aspect, the first fixing portion 22 and the second fixing portion 23 can be configured with a simple configuration in which a portion of the fixing piece 20 is notched.

（３）固定片２０の収容凹部２１を覆うカバー片３０を備え、カバー片３０は、電線ガイド部１６の周方向Ｄ（電線束Ｗの周方向）において固定片２０で覆われていない箇所を覆っている。この態様によれば、固定片２０の収容凹部２１がカバー片３０によって覆われることで、電線引き出し口１５への水の浸入を抑制できる。 (3) A cover piece 30 that covers the housing recess 21 of the fixed piece 20 is provided, and the cover piece 30 covers a portion not covered by the fixed piece 20 in the circumferential direction D of the wire guide portion 16 (the circumferential direction of the wire bundle W). covering. According to this aspect, since the housing recess 21 of the fixed piece 20 is covered with the cover piece 30 , it is possible to prevent water from entering the wire outlet 15 .

（４）カバー片３０は、電線ガイド部１６の周方向Ｄ（電線束Ｗの周方向）における固定片２０の両端部２０ａとで、第１固定部２２に巻き付けられた粘着テープＴを挟んでいる。この態様によれば、粘着テープＴを挟んだ部位において、固定片２０とカバー片３０との間からの水の浸入を抑制することが可能となる。 (4) The cover piece 30 sandwiches the adhesive tape T wound around the first fixing portion 22 with both ends 20a of the fixing piece 20 in the circumferential direction D of the wire guide portion 16 (the circumferential direction of the wire bundle W). there is According to this aspect, intrusion of water from between the fixing piece 20 and the cover piece 30 can be suppressed at the portion where the adhesive tape T is sandwiched.

（５）カバー片３０は、第２固定部２３を形成するために固定片２０に切り欠き形成された切り欠き部２４を覆う延出片３４を有している。この態様によれば、固定片２０の切り欠き部２４が延出片３４によって覆われるため、切り欠き部２４を介して電線引き出し口１５側に水が浸入することが抑制されている。 (5) The cover piece 30 has an extension piece 34 that covers the notch portion 24 formed by cutting the fixing piece 20 to form the second fixing portion 23 . According to this aspect, the cutout portion 24 of the fixed piece 20 is covered with the extension piece 34 , so that water is prevented from entering the wire outlet 15 side through the cutout portion 24 .

本実施形態は、以下のように変更して実施することができる。本実施形態及び以下の変更例は、技術的に矛盾しない範囲で互いに組み合わせて実施することができる。
・図７に示すように、カバー片３０の各延出片３４を上記実施形態よりも更に延出する構成としてもよい。図７に示す構成では、電線ガイド部１６の軸線Ｌと直交する方向（例えば、図７中のＹ方向）から見て、延出片３４が固定片２０の第２固定部２３の周方向端部とラップする位置まで延出されている。これにより、第２固定部２３の周方向端部と延出片３４との間の隙間から電線ガイド部１６内への水の浸入をより一層抑制できる。 This embodiment can be implemented with the following modifications. This embodiment and the following modified examples can be implemented in combination with each other within a technically consistent range.
- As shown in FIG. 7, each extension piece 34 of the cover piece 30 may be configured to extend further than in the above embodiment. In the configuration shown in FIG. 7, the extending piece 34 extends from the circumferential end of the second fixing portion 23 of the fixing piece 20 when viewed from a direction perpendicular to the axis L of the wire guide portion 16 (for example, the Y direction in FIG. 7). It extends to a position where it overlaps with the part. As a result, water can be further suppressed from entering the wire guide portion 16 through the gap between the circumferential end portion of the second fixing portion 23 and the extension piece 34 .

・上記実施形態において、電線ガイド部１６の周方向Ｄ（電線束Ｗの周方向）における第２固定部２３の両端部と各延出片３４の周方向Ｄの端部とで、第２固定部２３に巻き付けられた粘着テープＴを挟む構成としてもよい。この態様によれば、第２固定部２３と延出片３４とに挟まれて圧縮された粘着テープＴが第２固定部２３と延出片３４との間のシールとなり、第２固定部２３と延出片３４との間からハウジング１１の内部側（電線引き出し口１５側）に水が浸入することを抑制できる。 In the above-described embodiment, the second fixing is performed by the both ends of the second fixing portion 23 in the circumferential direction D of the wire guide portion 16 (the circumferential direction of the wire bundle W) and the ends of the extending pieces 34 in the circumferential direction D. A configuration may be adopted in which the adhesive tape T wound around the portion 23 is sandwiched. According to this aspect, the adhesive tape T sandwiched and compressed between the second fixing portion 23 and the extending piece 34 serves as a seal between the second fixing portion 23 and the extending piece 34, and the second fixing portion 23 , and the extension piece 34, the intrusion of water into the inner side of the housing 11 (on the side of the wire outlet 15) can be suppressed.

・上記実施形態では、電線束Ｗを固定片２０に対して巻き付け固定する巻付部材として粘着テープＴを用いたが、これ以外に例えば、合成樹脂製の結束バンドを巻付部材として用いてもよい。 In the above-described embodiment, the adhesive tape T is used as the winding member for winding and fixing the wire bundle W around the fixing piece 20. Alternatively, for example, a binding band made of synthetic resin may be used as the winding member. good.

・上記実施形態では、固定片２０及びカバー片３０を断面円弧状とし、それら固定片２０及びカバー片３０が組み合わされてなる電線ガイド部１６が円筒状をなすが、これ以外に例えば、電線ガイド部１６を四角筒状に形成してもよい。 In the above-described embodiment, the fixing piece 20 and the cover piece 30 have an arcuate cross section, and the wire guide portion 16 formed by combining the fixing piece 20 and the cover piece 30 has a cylindrical shape. The portion 16 may be formed in a square tubular shape.

上記実施形態及び変更例から把握できる技術的思想について記載する。
前記電線束の周方向における前記第２固定部の両端部と前記被覆部とで、前記第２固定部に巻き付けられた前記巻付部材を挟んでいる、電気接続箱。 Technical ideas that can be grasped from the above embodiment and modifications will be described.
The electrical connection box, wherein the winding member wound around the second fixing portion is sandwiched between both ends of the second fixing portion in the circumferential direction of the wire bundle and the covering portion.

上記態様によれば、固定片の第２固定部とカバーの被覆部との間から電線引き出し口側に水が浸入することを抑制できる。 According to the above aspect, it is possible to prevent water from entering from between the second fixing portion of the fixing piece and the covering portion of the cover to the wire outlet side.

Ｄ 電線ガイド部の周方向
Ｌ 電線ガイド部の軸線
Ｔ 粘着テープ（巻付部材）
Ｗ 電線束
Ｘ 外装部材
１０ 電気接続箱
１１ ハウジング
１２ 電気部品
１３ ハウジング本体
１４ カバー
１５ 電線引き出し口
１６ 電線ガイド部
２０ 固定片
２０ａ 端部
２１ 収容凹部
２１ａ 第１収容凹部
２１ｂ 第２収容凹部
２２ 第１固定部
２３ 第２固定部
２４ 切り欠き部
３０ カバー片（カバー部）
３０ａ 端部
３１ 第１被覆部
３２ 第２被覆部
３３ 対向部
３４ 延出片（被覆部） D Circumferential direction of wire guide L Axis of wire guide T Adhesive tape (winding member)
W Wire bundle X Exterior member 10 Electrical junction box 11 Housing 12 Electric component 13 Housing body 14 Cover 15 Wire outlet 16 Wire guide part 20 Fixing piece 20a End 21 Receiving recess 21a First housing recess 21b Second housing recess 22 First housing Fixing part 23 Second fixing part 24 Notch 30 Cover piece (cover part)
30a end portion 31 first covering portion 32 second covering portion 33 facing portion 34 extending piece (covering portion)

Claims (2)

電気部品が収容されたハウジング本体と、前記ハウジング本体に形成された電線引き出し口と、前記電線引き出し口から前記ハウジング本体の外部側に延びる固定片とを有するハウジングと、
前記電気部品に接続されるとともに、前記電線引き出し口から前記ハウジング本体の外部に引き出される電線束と、
前記電線束を前記固定片に対して巻き付け固定する巻付部材と、を備え、
前記固定片は、前記電線束が入り込む収容凹部を備え、前記収容凹部内に収容された前記電線束の周方向の一部を覆うように構成され、
前記電線束は、前記収容凹部に入り込んだ状態で前記巻付部材にて前記固定片に固定される電気接続箱であって、
前記固定片は、前記収容凹部の深さが互いに異なる第１固定部と第２固定部とを、前記電線束の長さ方向に並ぶ態様で有しており、
前記電線束の周方向における前記固定片の両端部が、前記電線束の長さ方向において部分的に切り欠かれることで、前記第１固定部よりも前記収容凹部の深さが浅い前記第２固定部が構成され、
前記固定片の前記収容凹部を覆うカバー部を備え、
前記カバー部は、前記電線束の周方向において前記固定片で覆われていない箇所を覆っており、
前記カバー部は、前記電線束の周方向における前記固定片の両端部とで、前記第１固定部に巻き付けられた前記巻付部材を挟んでいる、電気接続箱。 a housing having a housing body containing electrical components, a wire outlet formed in the housing body, and a fixing piece extending from the wire outlet to the outside of the housing body;
a bundle of electric wires connected to the electric component and drawn out of the housing body from the electric wire outlet;
a winding member that winds and fixes the wire bundle around the fixing piece;
The fixed piece includes an accommodation recess into which the wire bundle enters, and is configured to cover a portion of the wire bundle in the circumferential direction accommodated in the accommodation recess,
The electric junction box, wherein the wire bundle is fixed to the fixed piece by the winding member in a state of entering the accommodation recess,
The fixing piece has a first fixing portion and a second fixing portion with different depths of the accommodating recesses, arranged in a longitudinal direction of the wire bundle ,
Both ends of the fixing piece in the circumferential direction of the wire bundle are partially notched in the length direction of the wire bundle, so that the second holding recess is shallower than the first fixing portion. A fixed part is configured,
a cover portion that covers the accommodation recess of the fixed piece;
The cover portion covers a portion of the wire bundle that is not covered by the fixing piece in the circumferential direction,
The electric junction box, wherein the cover part sandwiches the winding member wound around the first fixing part with both ends of the fixed piece in the circumferential direction of the wire bundle. 電気部品が収容されたハウジング本体と、前記ハウジング本体に形成された電線引き出し口と、前記電線引き出し口から前記ハウジング本体の外部側に延びる固定片とを有するハウジングと、
前記電気部品に接続されるとともに、前記電線引き出し口から前記ハウジング本体の外部に引き出される電線束と、
前記電線束を前記固定片に対して巻き付け固定する巻付部材と、を備え、
前記固定片は、前記電線束が入り込む収容凹部を備え、前記収容凹部内に収容された前記電線束の周方向の一部を覆うように構成され、
前記電線束は、前記収容凹部に入り込んだ状態で前記巻付部材にて前記固定片に固定される電気接続箱であって、
前記固定片は、前記収容凹部の深さが互いに異なる第１固定部と第２固定部とを、前記電線束の長さ方向に並ぶ態様で有しており、
前記電線束の周方向における前記固定片の両端部が、前記電線束の長さ方向において部分的に切り欠かれることで、前記第１固定部よりも前記収容凹部の深さが浅い前記第２固定部が構成され、
前記固定片の前記収容凹部を覆うカバー部を備え、
前記カバー部は、前記電線束の周方向において前記固定片で覆われていない箇所を覆っており、
前記カバー部は、前記第２固定部を形成するために前記固定片に切り欠き形成された切り欠き部を覆う被覆部を有している、電気接続箱。 a housing having a housing body containing electrical components, a wire outlet formed in the housing body, and a fixing piece extending from the wire outlet to the outside of the housing body;
a bundle of electric wires connected to the electric component and drawn out of the housing body from the electric wire outlet;
a winding member that winds and fixes the wire bundle around the fixing piece;
The fixed piece includes a housing recess into which the wire bundle enters, and is configured to cover a portion of the wire bundle in the circumferential direction that is housed in the housing recess,
The wire bundle is an electric junction box fixed to the fixed piece by the winding member in a state of entering the accommodation recess,
The fixing piece has a first fixing portion and a second fixing portion with different depths of the accommodating recesses arranged in the length direction of the wire bundle,
Both ends of the fixing piece in the circumferential direction of the wire bundle are partially notched in the length direction of the wire bundle, so that the second holding recess is shallower than the first fixing portion. A fixed part is configured,
a cover portion that covers the accommodation recess of the fixed piece;
The cover portion covers a portion of the wire bundle that is not covered by the fixing piece in the circumferential direction,
The electrical connection box, wherein the cover portion has a covering portion that covers a notch portion formed in the fixing piece to form the second fixing portion.
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