JP2015104206A - Electric connection box - Google Patents

Electric connection box Download PDF

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JP2015104206A
JP2015104206A JP2013242667A JP2013242667A JP2015104206A JP 2015104206 A JP2015104206 A JP 2015104206A JP 2013242667 A JP2013242667 A JP 2013242667A JP 2013242667 A JP2013242667 A JP 2013242667A JP 2015104206 A JP2015104206 A JP 2015104206A
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fixed
frame
connection box
junction box
electric
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JP6386721B2 (en
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裕貴 田代
Hirotaka Tashiro
裕貴 田代
秀東 曹
Soo-Dong Cho
秀東 曹
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Yazaki Corp
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Yazaki Corp
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Abstract

PROBLEM TO BE SOLVED: To provide an electric connection box that can reduce weight imbalance and thereby lighten the load on its region of fitting to a fixed part.SOLUTION: In an electric connection box 1, a plurality of electronic components are fitted to one side 24a of a component fitting part 24 disposed in a frame 2, and a plurality of electric wires differing in diameter are inserted into the other side 24b of the component fitting part 24. In this electric connection box 1, as brackets 22 and 23 are fixed to the fixed part 99 by bolt-fastening to the fixed part 99 in a direction in which the other side 24b is positioned closer than one side 24a to a fixed part 99 and one flank of a circumferential wall 21 constitutes a bottom face. Further in the electric connection box 1, the thickest one of the plurality of electric wires inserted into the other side 24b of the component fitting part 24 is inserted into the lower side (part B) of the other side 24b to adjust the weight balance.

Description

本発明は、自動車に搭載されて主に電源分配を行う電気接続箱に関するものである。   The present invention relates to an electrical junction box that is mounted on an automobile and mainly performs power distribution.

自動車に搭載される電気接続箱は様々な構造のものがあるが、例えば、図４に示す構造のものがある。図４に示す電気接続箱３０１は、フレーム３０２、フレーム３０２の一方側に取り付けられる第１のカバー３０３、フレーム３０２の他方側に取り付けられる第２のカバー３０４、から成るケース３１０と、ケース３１０内に収容される複数の部品と、を備えている。ケース３１０の側面には、複数の電線（不図示）が挿通される電線挿通孔３０７が設けられている（例えば特許文献１を参照。）。   There are various types of electrical junction boxes mounted on automobiles, for example, there are those shown in FIG. 4 includes a case 310 including a frame 302, a first cover 303 attached to one side of the frame 302, and a second cover 304 attached to the other side of the frame 302. A plurality of components housed in the housing. A side surface of the case 310 is provided with a wire insertion hole 307 through which a plurality of wires (not shown) are inserted (see, for example, Patent Document 1).

フレーム３０２の一方側、すなわち第１のカバー３０３が取り付けられる側には、リレー、ヒューズ、ヒュージブルリンク等の複数の電子部品が装着される。フレーム３０２の他方側、すなわち第２のカバー３０４が取り付けられる側には、径が異なる複数の電線が挿入される。   A plurality of electronic components such as relays, fuses and fusible links are mounted on one side of the frame 302, that is, the side on which the first cover 303 is attached. On the other side of the frame 302, that is, the side on which the second cover 304 is attached, a plurality of electric wires having different diameters are inserted.

この電気接続箱３０１は、フレーム３０２の電子部品が装着される側が電線が挿入される側よりも固定部９９から離れた側に位置付けられる向き、かつ、フレーム３０２の一側面が底面となる向きで、車体における鉛直方向に延びた固定部９９に固定される。又、電気接続箱３０１は、フレーム３０２に設けられたブラケット３２２，３２３が固定部９９にボルト締めされることにより、固定部９９に固定される。   The electrical connection box 301 is oriented so that the side on which the electronic components of the frame 302 are mounted is positioned on the side farther from the fixing portion 99 than the side on which the electric wire is inserted, and the side surface of the frame 302 is the bottom surface. The vehicle body is fixed to a fixing portion 99 extending in the vertical direction. In addition, the electrical connection box 301 is fixed to the fixing portion 99 by brackets 322 and 323 provided on the frame 302 being bolted to the fixing portion 99.

特開２０１３−０３４３２０号公報JP 2013-034320 A

上述した向きで固定部９９に固定される電気接続箱３０１は、ケース３１０の固定部９９から離れた先端部分（図４中のＧ部）にウェイトが集中してしまい、ウェイトバランスが悪いという問題があった。また、このようにウェイトバランスが悪いと、ブラケット３２２，３２３に大きな負荷が掛かってしまうという問題があった。   In the electrical junction box 301 fixed to the fixing portion 99 in the above-described direction, the weight concentrates on the tip portion (G portion in FIG. 4) away from the fixing portion 99 of the case 310, and the weight balance is poor. was there. In addition, when the weight balance is poor as described above, there is a problem that a large load is applied to the brackets 322 and 323.

したがって、本発明は、ウェイトバランスの偏りを低減して固定部への取付部位に掛かる負荷を軽減することができる電気接続箱を提供することを目的とする。   Therefore, an object of the present invention is to provide an electric junction box that can reduce the load on the attachment portion to the fixed portion by reducing the weight balance bias.

請求項１に記載された発明は、フレームの一方側に電子部品が装着され、前記フレームの他方側に径が異なる複数の電線が挿入され、車体の固定部に固定されると共に、前記他方側が前記一方側よりも前記固定部側に位置付けられる向き、かつ、前記フレームの一側面が底面となる向きで固定される電気接続箱において、前記複数の電線のうち最も太い電線が、前記固定部に固定された状態での前記他方側の下側に挿入されることを特徴とする電気接続箱である。   According to the first aspect of the present invention, an electronic component is mounted on one side of the frame, a plurality of electric wires having different diameters are inserted on the other side of the frame, and fixed to a fixing portion of a vehicle body. In the electrical junction box that is fixed in an orientation that is positioned on the side of the fixed portion relative to the one side and that one side surface of the frame is a bottom surface, the thickest electric wire among the plurality of electric wires is attached to the fixing portion. It is an electrical junction box which is inserted into the lower side of the other side in a fixed state.

請求項２に記載された発明は、請求項１に記載された発明において、前記複数の電線が挿通される電線挿通孔が設けられ、該電線挿通孔が、前記固定部の近傍に設けられていることを特徴とするものである。   The invention described in claim 2 is the invention described in claim 1, wherein an electric wire insertion hole through which the plurality of electric wires are inserted is provided, and the electric wire insertion hole is provided in the vicinity of the fixing portion. It is characterized by being.

請求項１に記載された発明によれば、前記複数の電線のうち最も太い電線が、前記固定部に固定された状態での前記他方側の下側に挿入されるので、フレームの一方側にウェイトが集中することを回避でき、電気接続箱全体のウェイトバランスを整えることができる。よって、固定部への取付部位に掛かる負荷を軽減することができる。   According to the invention described in claim 1, since the thickest electric wire among the plurality of electric wires is inserted below the other side in a state of being fixed to the fixing portion, Concentration of weights can be avoided, and the weight balance of the entire electrical junction box can be adjusted. Therefore, the load concerning the attachment site | part to a fixing | fixed part can be reduced.

請求項２に記載された発明によれば、前記複数の電線が挿通される電線挿通孔が設けられ、該電線挿通孔が、前記固定部の近傍に設けられているので、フレームの一方側にウェイトが集中することを回避でき、電気接続箱全体のウェイトバランスを整えることができる。よって、固定部への取付部位に掛かる負荷を軽減することができる。   According to the second aspect of the present invention, there is provided an electric wire insertion hole through which the plurality of electric wires are inserted, and the electric wire insertion hole is provided in the vicinity of the fixed portion. Concentration of weights can be avoided, and the weight balance of the entire electrical junction box can be adjusted. Therefore, the load concerning the attachment site | part to a fixing | fixed part can be reduced.

本発明の一実施形態にかかる電気接続箱が車体に固定された状態を示す側面図である。It is a side view which shows the state by which the electric junction box concerning one Embodiment of this invention was fixed to the vehicle body. 図１に示された電気接続箱の断面斜視図である。It is a cross-sectional perspective view of the electrical junction box shown in FIG. 図１に示されたフレームの他方側を示す斜視図である。It is a perspective view which shows the other side of the flame | frame shown by FIG. 参考例の電気接続箱が車体に固定された状態を示す側面図である。It is a side view which shows the state with which the electrical junction box of the reference example was fixed to the vehicle body.

本発明の一実施形態にかかる「電気接続箱」を図１〜３を参照して説明する。図１に示す電気接続箱１は、自動車に搭載されて主に電源分配を行うものであり、車体における鉛直方向に延びた固定部９９に固定される。図１中の矢印Ｙは鉛直下方向を示しており、矢印Ｙと直交した矢印Ｚ，矢印Ｘは水平方向を示している。   An “electric connection box” according to an embodiment of the present invention will be described with reference to FIGS. An electric junction box 1 shown in FIG. 1 is mounted on an automobile and mainly performs power distribution, and is fixed to a fixing portion 99 extending in a vertical direction in the vehicle body. An arrow Y in FIG. 1 indicates a vertically downward direction, and an arrow Z and an arrow X orthogonal to the arrow Y indicate a horizontal direction.

電気接続箱１は、フレーム２、フレーム２の一方側に取り付けられる第１のカバー３、フレーム２の他方側に取り付けられる第２のカバー４、から成るケース１０と、ケース１０内に収容される複数の部品と、を備えている。フレーム２、第１のカバー３、第２のカバー４は、それぞれ合成樹脂で構成されており、周知の射出成型によって成形されている。   The electrical junction box 1 is accommodated in a case 10 including a frame 2, a first cover 3 attached to one side of the frame 2, and a second cover 4 attached to the other side of the frame 2. A plurality of parts. The frame 2, the first cover 3, and the second cover 4 are each made of synthetic resin, and are formed by a well-known injection molding.

フレーム２は、図２，３に示すように、筒状の周壁２１と、周壁２１の内側に設けられた部品装着部２４と、周壁２１の外側に設けられた補強部６と、周壁２１の外面に連なって設けられ、固定部９９に重ねられてボルト締めされるブラケット２２，２３と、を有している。   As shown in FIGS. 2 and 3, the frame 2 includes a cylindrical peripheral wall 21, a component mounting portion 24 provided inside the peripheral wall 21, a reinforcing portion 6 provided outside the peripheral wall 21, and the peripheral wall 21. Brackets 22 and 23 that are provided continuously to the outer surface and are overlapped with the fixing portion 99 and bolted.

部品装着部２４の一方側２４ａにはリレー、ヒューズ、ヒュージブルリンク等の複数の電子部品１１，１２，１３が装着され、部品装着部２４の他方側２４ｂには径が異なる複数の電線が挿入される（図１〜３においては、電線の図示を省略している。）。   A plurality of electronic components 11, 12, 13 such as relays, fuses and fusible links are mounted on one side 24a of the component mounting portion 24, and a plurality of electric wires having different diameters are inserted on the other side 24b of the component mounting portion 24. (In FIGS. 1-3, illustration of an electric wire is abbreviate | omitted).

補強部６は、周壁２１の外側に周壁２１と間隔をあけて配置された補強壁６１と、補強壁６１と周壁２１とを連結した複数の補強リブ６２と、で構成されている。この補強部６は、フレーム２の複数箇所に設けられている。   The reinforcing portion 6 includes a reinforcing wall 61 disposed on the outer side of the peripheral wall 21 with a space from the peripheral wall 21, and a plurality of reinforcing ribs 62 that connect the reinforcing wall 61 and the peripheral wall 21. The reinforcing portions 6 are provided at a plurality of locations on the frame 2.

第１のカバー３は、板部３０と該板部３０の外縁から立設した周壁３１と、を有する箱状に形成されている。第１のカバー３は、フレーム２に取り付けられた状態で、部品装着部２４の電子部品１１，１２，１３が装着された一方側２４ａを覆う。   The first cover 3 is formed in a box shape having a plate portion 30 and a peripheral wall 31 erected from the outer edge of the plate portion 30. The first cover 3 is attached to the frame 2 and covers the one side 24 a on which the electronic components 11, 12 and 13 of the component mounting portion 24 are mounted.

第２のカバー４は、板部４０と該板部４０の外縁から立設した周壁４１と、を有する箱状に形成されている。第２のカバー４は、フレーム２に取り付けられた状態で、部品装着部２４の電線が挿入された他方側２４ｂを覆う。   The second cover 4 is formed in a box shape having a plate portion 40 and a peripheral wall 41 erected from the outer edge of the plate portion 40. The second cover 4 is attached to the frame 2 and covers the other side 24b where the electric wires of the component mounting portion 24 are inserted.

ケース１０の側面には、複数の電線が挿通される電線挿通孔７が設けられている。電線挿通孔７は、図１に示すように、周壁２１に形成された半円状の切り欠き部７ａと、周壁４１に形成された半円状の切り欠き部７ｂと、で全体として円状に構成されている。   A side surface of the case 10 is provided with a wire insertion hole 7 through which a plurality of wires are inserted. As shown in FIG. 1, the electric wire insertion hole 7 has a semicircular cutout portion 7a formed in the peripheral wall 21 and a semicircular cutout portion 7b formed in the peripheral wall 41 as a whole. It is configured.

このような電気接続箱１は、図１に示すように、部品装着部２４の他方側２４ｂが一方側２４ａよりも固定部９９側に位置付けられる向きかつ周壁２１の一側面が底面となる向きで、ブラケット２２，２３が固定部９９にボルト締めされることにより、固定部９９に固定される。   As shown in FIG. 1, such an electrical junction box 1 has an orientation in which the other side 24b of the component mounting portion 24 is positioned closer to the fixing portion 99 than the one side 24a and one side surface of the peripheral wall 21 is a bottom surface. The brackets 22 and 23 are fixed to the fixing portion 99 by being bolted to the fixing portion 99.

上記電気接続箱１においては、複数の電子部品１１，１２，１３が集約されたフレーム２の一方側、すなわちケース１０の固定部９９から離れた先端部分、にウェイトが集中することを回避し、電気接続箱１全体のウェイトバランスを整えて、ブラケット２２，２３に掛かる負荷を軽減するために、以下の構成を採用している。   In the electrical junction box 1, weights are prevented from concentrating on one side of the frame 2 in which a plurality of electronic components 11, 12, and 13 are aggregated, that is, the tip portion away from the fixing portion 99 of the case 10, In order to adjust the weight balance of the entire electrical junction box 1 and reduce the load applied to the brackets 22 and 23, the following configuration is adopted.

電気接続箱１においては、部品装着部２４の他方側２４ｂに挿入される複数の電線のうち最も太い電線が、固定部９９に固定された向きでの他方側２４ｂの下側に挿入される構成となっている。又、「最も太い電線」は、電気接続箱１に複数本用いられている。このように、他の電線よりも重量がある「最も太い電線」を他方側２４ｂの下側に集約することにより、「他方側２４ｂの上側のウェイト」よりも「他方側２４ｂの下側のウェイト」を重くでき、電気接続箱１全体のウェイトバランスを整えることができる。   In the electrical junction box 1, the thickest electric wire among a plurality of electric wires inserted into the other side 24 b of the component mounting portion 24 is inserted below the other side 24 b in the direction fixed to the fixing portion 99. It has become. A plurality of “thickest electric wires” are used in the electrical junction box 1. In this way, the “thickest electric wire” that is heavier than the other electric wires is gathered below the other side 24b, so that the “lower weight on the other side 24b” is lower than the “lower weight on the other side 24b”. Can be made heavy, and the weight balance of the entire electrical junction box 1 can be adjusted.

上記「他方側２４ｂの下側」とは、電気接続箱１が固定部９９に固定された状態での他方側２４ｂの下半分（図１〜３中のＢ部）を意味している。上記「他方側２４ｂの上側」とは、電気接続箱１が固定部９９に固定された状態での他方側２４ｂの上半分（図１〜３中のＡ部）を意味している。   The “lower side of the other side 24 b” means the lower half of the other side 24 b (B portion in FIGS. 1 to 3) in a state where the electrical junction box 1 is fixed to the fixing portion 99. The “upper side of the other side 24b” means the upper half (A portion in FIGS. 1 to 3) of the other side 24b in a state where the electrical junction box 1 is fixed to the fixing portion 99.

又、電気接続箱１においては、「他方側２４ｂの上側のウェイト」よりも「他方側２４ｂの下側のウェイト」をより重くするために、一般的に「細物電線」と呼ばれる導体断面積が０．３〜１．２５ｍｍ2程度の電線を他方側２４ｂの上側に集約し、一般的に「太物電線」と呼ばれる導体断面積が５〜１５ｍｍ2程度の電線を他方側２４ｂの下側に集約した構成となっている。このようにすることで、電気接続箱１全体のウェイトバランスを整えることができるだけでなく、電線の挿入作業性を向上させることができる。 Further, in the electrical junction box 1, in order to make the “weight on the lower side of the other side 24b” heavier than the “weight on the upper side of the other side 24b”, a conductor cross-sectional area generally called “thin wire” is used. There aggregates 0.3～1.25Mm 2 about the electric wire on the upper side of the other side 24b, the lower side of the generally "Futomono wire" and the other side 24b conductor cross-sectional area of the wire of about 5 to 15 mm 2, called It has a configuration that is consolidated. By doing in this way, not only can the weight balance of the whole electrical junction box 1 be adjusted, but also the workability of inserting electric wires can be improved.

さらに、電気接続箱１においては、上記電線挿通孔７が、ケース１０側面の固定部９９側の端部（すなわち固定部９９の近傍）に設けられている。上記部品装着部２４の他方側２４ｂに挿入されて電子部品１１，１２，１３等に接続される複数の電線は、この電線挿通孔７からケース１０外に導出される。そして、この電線挿通孔７がケース１０側面の固定部９９側の端部に設けられていることにより、前記複数の電線の配索経路が固定部９９寄りになるので、これら複数の電線の重量によって、ケース１０の固定部９９から離れた先端部分にウェイトが集中することを回避し、電気接続箱１全体のウェイトバランスを整えることができる。   Further, in the electrical junction box 1, the wire insertion hole 7 is provided at an end portion on the side of the case 10 on the side of the fixing portion 99 (that is, in the vicinity of the fixing portion 99). A plurality of electric wires inserted into the other side 24 b of the component mounting portion 24 and connected to the electronic components 11, 12, 13 and the like are led out of the case 10 through the electric wire insertion hole 7. And since this electric wire penetration hole 7 is provided in the edge part by the side of the fixing | fixed part 99 of case 10 side, the routing route of the said some electric wire becomes near the fixing | fixed part 99, Therefore The weight of these several electric wires Thus, it is possible to avoid the weight from being concentrated on the tip portion of the case 10 away from the fixing portion 99, and to adjust the weight balance of the entire electrical junction box 1.

又、上述した実施形態の電気接続箱１は、車体における鉛直方向に延びた固定部９９に固定される構成であったが、本発明の電気接続箱は、これに限らず、傾斜した固定部に固定されても良い。   Moreover, although the electrical junction box 1 of the above-described embodiment is configured to be fixed to the fixed portion 99 extending in the vertical direction in the vehicle body, the electrical junction box of the present invention is not limited to this, and the inclined fixed portion. It may be fixed to.

なお、前述した実施形態は本発明の代表的な形態を示したに過ぎず、本発明は、実施形態に限定されるものではない。即ち、本発明の骨子を逸脱しない範囲で種々変形して実施することができる。   In addition, embodiment mentioned above only showed the typical form of this invention, and this invention is not limited to embodiment. That is, various modifications can be made without departing from the scope of the present invention.

１ 電気接続箱
２ フレーム
７ 電線挿通孔
１１〜１３ 電子部品
９９ 固定部 DESCRIPTION OF SYMBOLS 1 Electrical junction box 2 Frame 7 Wire insertion hole 11-13 Electronic component 99 Fixing part

Claims (2)

フレームの一方側に電子部品が装着され、前記フレームの他方側に径が異なる複数の電線が挿入され、
車体の固定部に固定されると共に、前記他方側が前記一方側よりも前記固定部側に位置付けられる向き、かつ、前記フレームの一側面が底面となる向きで固定される電気接続箱において、
前記複数の電線のうち最も太い電線が、前記固定部に固定された状態での前記他方側の下側に挿入される
ことを特徴とする電気接続箱。 Electronic components are mounted on one side of the frame, and a plurality of electric wires with different diameters are inserted on the other side of the frame,
In the electrical connection box fixed to the fixed part of the vehicle body, in which the other side is fixed to the fixed part side rather than the one side, and one side surface of the frame is fixed to the bottom surface,
The thickest electric wire among the plurality of electric wires is inserted into the lower side of the other side in a state of being fixed to the fixing portion. 前記複数の電線が挿通される電線挿通孔が設けられ、該電線挿通孔が、前記固定部の近傍に設けられている
ことを特徴とする請求項１に記載の電気接続箱。 The electric connection box according to claim 1, wherein an electric wire insertion hole through which the plurality of electric wires are inserted is provided, and the electric wire insertion hole is provided in the vicinity of the fixing portion.
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JPH10194011A (en) * 1997-01-09 1998-07-28 Harness Sogo Gijutsu Kenkyusho:Kk Central arrangement type electric connection box
JPH10194059A (en) * 1997-01-09 1998-07-28 Harness Sogo Gijutsu Kenkyusho:Kk Center disposition type electrical connection box

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JPH10194011A (en) * 1997-01-09 1998-07-28 Harness Sogo Gijutsu Kenkyusho:Kk Central arrangement type electric connection box
JPH10194059A (en) * 1997-01-09 1998-07-28 Harness Sogo Gijutsu Kenkyusho:Kk Center disposition type electrical connection box

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