JP2007325465A - Electrical connection box - Google Patents

Electrical connection box Download PDF

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Publication number
JP2007325465A
JP2007325465A JP2006155702A JP2006155702A JP2007325465A JP 2007325465 A JP2007325465 A JP 2007325465A JP 2006155702 A JP2006155702 A JP 2006155702A JP 2006155702 A JP2006155702 A JP 2006155702A JP 2007325465 A JP2007325465 A JP 2007325465A
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fuse
opening
gap
upper cover
lower cover
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Inventor
Takayuki Taniguchi
貴之 谷口
Yukitaka Saito
友紀貴 齋藤
Toshiya Shirota
敏也 城田
Yoshihiko Nakahama
佳彦 中浜
Shinya Kai
慎也 甲斐
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Sumitomo Wiring Systems Ltd
Toyota Motor Corp
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Sumitomo Wiring Systems Ltd
Toyota Motor Corp
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Priority to JP2006155702A priority Critical patent/JP2007325465A/en
Publication of JP2007325465A publication Critical patent/JP2007325465A/en
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60R—VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR
    • B60R16/00—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for
    • B60R16/02—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements
    • B60R16/023—Electric or fluid circuits specially adapted for vehicles and not otherwise provided for; Arrangement of elements of electric or fluid circuits specially adapted for vehicles and not otherwise provided for electric constitutive elements for transmission of signals between vehicle parts or subsystems
    • B60R16/0238—Electrical distribution centers

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Casings For Electric Apparatus (AREA)
  • Connection Or Junction Boxes (AREA)

Abstract

<P>PROBLEM TO BE SOLVED: To eliminate an opening and a gap to which a fuse falls near a fuse mounting section, and to improve the workability at maintenance. <P>SOLUTION: In a connection box 10, a case body includes the fuse mounting section and covered with a lower cover and an upper cover, the upper cover includes a maintenance opening which is opened and closed by a fuse cover above the fuse mounting section, and a group of electric wires are connected upward to the fuse downwardly mounted to the fuse mounting section and are drawn from an electric wire drawing section provided in the lower cover through the interior of the lower cover. The aperture of a grid provided near the fuse mounting section 11a has a size such as to prevent the fuse from falling off. A protrusion 15d is provided at a gap between the case body 13 and the upper cover 15 near the fuse mounting section on the case body side and/or the upper cover side; the width of the gap prevents the fuse from entering the gap; and the opening and the gap are eliminated at the vicinity of the fuse mounting section so as to prevent the fuse from falling off to the lower cover side. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

本発明は、電気接続箱に関し、特に、ヒューズ交換時において、ヒューズがロアケース側に脱落するのを防止するものである。   The present invention relates to an electrical junction box, and in particular, prevents a fuse from dropping to the lower case side when replacing a fuse.

従来、自動車に搭載するヒューズ等を収容している電気接続箱では、ヒューズ装着部が形成されているケース本体をロアカバーに対し上方から装着し、アッパーカバーをケース本体に被せてロアカバーとロック結合している。前記ヒューズ装着部には上方からヒューズを差し込み接続すると共に、該ヒューズに接続する電線をロアカバー側から引き込んでいる。ヒューズ装着部に多数のヒューズを装着すると、ヒューズ装着部の周辺が高温となるため、ヒューズ装着部周縁の本体ケースは格子状として放熱用の開口を設けている場合が多い。   Conventionally, in an electrical junction box containing fuses and the like to be mounted on an automobile, the case body in which the fuse mounting portion is formed is mounted on the lower cover from above, and the upper cover is placed over the case body and locked to the lower cover. ing. A fuse is inserted and connected to the fuse mounting portion from above, and an electric wire connected to the fuse is drawn from the lower cover side. When a large number of fuses are attached to the fuse attachment part, the periphery of the fuse attachment part becomes high temperature, and the body case around the periphery of the fuse attachment part is often provided with a heat dissipation opening in a lattice shape.

メンテナンス時やヒューズ溶断時にヒューズを交換する際、ヒューズ装着部周辺に前記開口があると、作業者が誤ってヒューズを落とすと、前記開口からロアカバー側にヒューズが落下する場合がある。この場合、ケース本体とロアカバーとを分離する必要があり、作業手数が非常にかかる問題がある。   When the fuse is replaced at the time of maintenance or when the fuse is blown, if the opening is in the vicinity of the fuse mounting portion, if the operator accidentally drops the fuse, the fuse may fall from the opening to the lower cover side. In this case, it is necessary to separate the case main body and the lower cover, and there is a problem that the number of work is very high.

また、特開２００２−３４５１２６号公報（特許文献１）で提供されている電気接続箱では、図８に示すように、アッパーカバーによって覆われるケース本体１の電気部品装着面２に、リレーを装着するリレー装着部３と、リレー装着部３と隙間Ｓ１をあけて設けられているヒューズ装着部４と、ヒューズ装着部４およびリレー装着部３とは離間して設けられているバスバー保護壁５とを備えている。前記バスバー保護壁５が立設している電気部品装着面２はリレー装着部３およびヒューズ装着部４の電気部品装着面２よりも一段低くなっており、バスバー保護壁５周辺には空間Ｓ２が存在する。   Further, in the electrical junction box provided in Japanese Patent Laid-Open No. 2002-345126 (Patent Document 1), as shown in FIG. 8, a relay is mounted on the electrical component mounting surface 2 of the case body 1 covered by the upper cover. Relay mounting portion 3 to be installed, fuse mounting portion 4 provided with a clearance S1 from relay mounting portion 3, and bus bar protection wall 5 provided to be separated from fuse mounting portion 4 and relay mounting portion 3. It has. The electrical component mounting surface 2 on which the bus bar protective wall 5 is erected is one step lower than the electrical component mounting surface 2 of the relay mounting portion 3 and the fuse mounting portion 4, and a space S2 is formed around the bus bar protective wall 5. Exists.

前記構成の電気接続箱では、メンテナンス時のヒューズ交換の際に、ヒューズ装着部４とリレー装着部３との間の前記隙間Ｓ１や、バスバー保護壁５の周辺の空間Ｓ２にヒューズが落下して挟み込まれると、取り出すのが困難であり、わざわざケース本体１をロアカバーから取り外してヒューズを取り出さなければならない場合もあるため、作業性が悪くなり、作業者の負担となる。   In the electrical junction box having the above configuration, when the fuse is replaced during maintenance, the fuse falls into the gap S1 between the fuse mounting portion 4 and the relay mounting portion 3 or the space S2 around the bus bar protection wall 5. When it is sandwiched, it is difficult to take out, and it may be necessary to remove the case main body 1 from the lower cover and take out the fuse.

特開２００２−３４５１２６号公報JP 2002-345126 A

本発明は、前記問題に鑑みてなされたものであり、ヒューズ装着部周辺にヒューズが脱落可能な開口および隙間を排除し、メンテナンス時の作業性を向上させることを課題としている。   The present invention has been made in view of the above problems, and an object of the present invention is to eliminate an opening and a gap in which a fuse can be dropped around a fuse mounting portion and to improve workability during maintenance.

上記課題を解決するために、本発明は、ヒューズ装着部を備えるケース本体にロアカバーとアッパーカバーを被せ、該アッパーカバーには前記ヒューズ装着部の上方にメンテナンス用の開口を設けると共に該開口をヒューズカバーで開閉し、かつ、前記ヒューズ装着部に上方より装着されるヒューズに対して下方から接続する電線群をロアカバーの内部を通して、該ロアカバーに設けた電線引出部より引き出している電気接続箱において、
前記ケース本体のヒューズ装着部周辺に設ける格子部の開口を、前記ヒューズが脱落不可な大きさとすると共に、該ヒューズ装着部周辺のケース本体と前記アッパーカバーとの隙間に、ケース本体側あるいは／およびアッパーカバー側から突起を設けて、該隙間の幅を前記ヒューズが隙間に入り込まない幅とし、前記ヒューズ装着部の周辺には、前記ヒューズがロアカバー側に脱落する開口および隙間が無い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 problems, the present invention covers a case body having a fuse mounting portion with a lower cover and an upper cover. The upper cover is provided with a maintenance opening above the fuse mounting portion, and the opening is connected to the fuse body. In the electrical connection box that opens and closes with a cover, and draws out the wire group connected from below to the fuse mounted on the fuse mounting part from the inside of the lower cover, and is drawn from the wire lead-out part provided on the lower cover,
The opening of the lattice portion provided around the fuse mounting portion of the case main body is sized so that the fuse cannot be removed, and the gap between the case main body and the upper cover around the fuse mounting portion is on the case main body side and / or Protrusion is provided from the upper cover side so that the width of the gap is such that the fuse does not enter the gap, and there is no opening and no gap around the fuse mounting part so that the fuse falls off to the lower cover side. An electrical junction box is provided.

本発明の電気接続箱は、ヒューズ交換の際、ロアカバーとアッパーカバーはロック結合したままの状態で、アッパーカバー上面の開口に装着されているヒューズカバーのみを取り外し、ケース本体のヒューズ装着部を露出させてヒューズを交換する構成からなる。
この構成の電気接続箱において、前記本発明のヒューズ装着部周辺のケース本体と前記アッパーカバーとの隙間に、ケース本体側あるいは／およびアッパーカバー側から突起を設けると、アッパーケースとケース本体の間にヒューズが入り込む隙間がない。さらに、格子部の開口をヒューズが脱落不可な大きさとしているので、ヒューズ装着部の格子部の開口にもヒューズが入り込むことがない。
このように、前記ヒューズ装着部の周辺には、前記ヒューズがロアカバー側に脱落する開口および隙間を無くしているため、ヒューズを交換する際に、作業者が誤ってヒューズを落下させたとしても、アッパーケースを取り外すことなくケース本体の表面から容易にヒューズを拾い上げることができるので、メンテナンス時の作業性が向上すると共に、作業者の負担を削減することができる。 In the electrical junction box of the present invention, when replacing the fuse, with the lower cover and the upper cover remaining locked together, remove only the fuse cover attached to the opening on the upper surface of the upper cover and expose the fuse mounting part of the case body. The fuse is replaced.
In the electrical junction box having this configuration, when a protrusion is provided from the case main body side and / or the upper cover side in the gap between the case main body and the upper cover around the fuse mounting portion of the present invention, There is no gap for the fuse to enter. Furthermore, since the opening of the lattice portion is sized so that the fuse cannot be removed, the fuse does not enter the opening of the lattice portion of the fuse mounting portion.
Thus, since the opening and gap where the fuse falls to the lower cover side is eliminated around the fuse mounting portion, even if the operator accidentally drops the fuse when replacing the fuse, Since the fuse can be easily picked up from the surface of the case body without removing the upper case, the workability during maintenance is improved and the burden on the operator can be reduced.

また、電気接続箱のロアカバー側にヒューズが落下することがないので、ロアカバーの内部に引き込まれる電線群が傷つきやすい非ハロゲン電線の場合でも、ヒューズが接触して前記電線の被膜が損傷することがなく、メンテナンス時に発生する問題を無くすことができる。
さらに、ケース本体に設ける格子部の開口を狭くしているだけで、開口を塞いでいないので、ヒューズ装着部周縁の過熱を抑制することができる。 In addition, since the fuse does not fall on the lower cover side of the electrical junction box, even if the group of wires drawn into the lower cover is easily damaged, the fuse may come into contact with the wire and damage the coating of the wire. In addition, problems that occur during maintenance can be eliminated.
Furthermore, since the opening of the lattice part provided in the case body is only narrowed and the opening is not blocked, overheating of the periphery of the fuse mounting part can be suppressed.

前記ケース本体にはリレー装着部も設け、該リレー装着部と前記ヒューズ装着部を除く領域に前記格子部を設けているのが好ましい。   Preferably, the case main body is also provided with a relay mounting portion, and the lattice portion is provided in a region excluding the relay mounting portion and the fuse mounting portion.

前述したように、本発明によれば、電気接続箱のヒューズ装着部の周辺に、ヒューズがロアカバー側に脱落する開口および隙間が無くしているため、ヒューズを交換する際に、作業者が誤ってヒューズを落下させても、ヒューズがロアカバー側へ落ち込むことがないと共に、ケース本体とアッパーケースとの隙間に入り込んでしまうことがない。よって、ヒューズを落下させても、ケース本体から容易にヒューズを拾い上げることができ、ケース本体、アッパーカバー、ロアカバーを分解する必要はなく、メンテナンス時の作業性が向上すると共に、作業者の負担を削減することができる。   As described above, according to the present invention, since there is no opening or gap between the fuse mounting portion of the electrical junction box and the fuse falling off to the lower cover side, an operator may mistakenly replace the fuse. Even if the fuse is dropped, the fuse does not fall to the lower cover side, and does not enter the gap between the case body and the upper case. Therefore, even if the fuse is dropped, the fuse can be easily picked up from the case body, there is no need to disassemble the case body, upper cover, and lower cover, improving the workability during maintenance and burdening the operator. Can be reduced.

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６は本発明の第１実施形態を示す。
本発明の電気接続箱１０は、図１および図２（Ａ）（Ｂ）に示すように、ジャンクションブロック１１とリレーブロック１２とを一体的に備えるケース本体１３と、該ケース本体１３を上部に収容するロアカバー１４と、前記ケース本体１３の上面に被せて該ロアカバー１４とロック結合するアッパーカバー１５とを備えている。 Embodiments of the present invention will be described with reference to the drawings.
1 to 6 show a first embodiment of the present invention.
As shown in FIGS. 1 and 2A and 2B, the electrical junction box 10 of the present invention includes a case main body 13 integrally including a junction block 11 and a relay block 12, and the case main body 13 at the top. A lower cover 14 to be accommodated and an upper cover 15 that covers the upper surface of the case main body 13 and is coupled to the lower cover 14 in a locked manner are provided.

前記アッパーカバー１５の上面１５ａは、アッパーカバー１５とは別体のヒューズカバー（図示せず）を取り付けるための取付開口１５ｂを設けている。
電気接続箱１０に収容されるヒューズ（図示せず）を交換する際には、アッパーカバー１５とロアカバー１４でケース本体１３を収容している状態で、ヒューズカバーのみを取り外し、前記取付開口１５ｂを通してヒューズを交換できるようにしている。 An upper surface 15 a of the upper cover 15 is provided with a mounting opening 15 b for mounting a fuse cover (not shown) separate from the upper cover 15.
When replacing a fuse (not shown) accommodated in the electrical junction box 10, only the fuse cover is removed while the case body 13 is accommodated by the upper cover 15 and the lower cover 14, and the fuse opening 15b is passed through. The fuse can be replaced.

図３に示すように、前記ジャンクションブロック１１には、ケース本体１３の側縁に沿って複数のヒューズ装着部１１ａが形成されると共に、ヒューズ装着部１１ａ周辺の該側縁には所定箇所に嵌合開口１３ａを有する切欠部１３ｂが設けられている。
また、図４（Ａ）（Ｂ）に示すように、前記リレーブロック１２には、ヒューズ装着部１２ａおよびリレー装着部１２ｂを形成している。前記ヒューズ装着部１２ａおよび前記リレー装着部１２ｂを除く領域には、開口１２ｃを有する格子部１２ｄを設けており、該開口１２ｃはヒューズが脱落不可な大きさとしている。 As shown in FIG. 3, the junction block 11 is formed with a plurality of fuse mounting portions 11a along the side edges of the case body 13, and is fitted at predetermined positions on the side edges around the fuse mounting portions 11a. A notch 13b having a joint opening 13a is provided.
As shown in FIGS. 4A and 4B, the relay block 12 is formed with a fuse mounting portion 12a and a relay mounting portion 12b. In a region excluding the fuse mounting portion 12a and the relay mounting portion 12b, a lattice portion 12d having an opening 12c is provided, and the opening 12c has a size that prevents the fuse from dropping off.

図１に示すように、ロアカバー１４の一側面には筒状の電線引出部１４ａを設け、ロアカバー１４の上部に装着されているケース本体１３のヒューズ装着部１１ａ、１２ａに装着されるヒューズに対して下方から接続している電線群Ｗを、ロアカバー１４内部を通して前記電線引出口１４ａより引き出している。   As shown in FIG. 1, a cylindrical wire lead-out portion 14 a is provided on one side surface of the lower cover 14, and the fuse mounted on the fuse mounting portions 11 a and 12 a of the case body 13 mounted on the upper portion of the lower cover 14. The electric wire group W connected from below is drawn out from the electric wire outlet 14 a through the lower cover 14.

図５に示すように、前記アッパーカバー１５は、上述したように、ケース本体１３のヒューズ装着部１１ａ、１２ａに対向する上面１５ａに取付開口１５ｂを有し、該取付開口１５ｂにはヒューズカバーが着脱自在に取り付けられる。前記ヒューズ装着部１１ａ、１２ａ周辺のアッパーカバー１５の周壁１５ｃには、該周壁１５ｃを内方に長さＬ１だけ突出させた突起１５ｄを設け、図６（Ａ）（Ｂ）に示すように、（削除）前記ヒューズが入り込まない幅としている。   As shown in FIG. 5, the upper cover 15 has a mounting opening 15b on the upper surface 15a facing the fuse mounting portions 11a and 12a of the case body 13, as described above, and the mounting cover 15b has a fuse cover. Removably attached. The peripheral wall 15c of the upper cover 15 around the fuse mounting portions 11a and 12a is provided with a protrusion 15d that projects the peripheral wall 15c inward by a length L1, as shown in FIGS. (Deleted) The width does not allow the fuse to enter.

前記ケース本体１３の切欠部１３ｂと対向する位置のアッパーカバー１５の周壁内面１５ｅには、断面三角形状の落下防止リブ１５ｆが前記突起１５ｄの下部からロアカバー１４側に向かって延在して設けている。前記落下防止リブ１５ｆの幅は、対向するケース本体１３の前記切欠部１３ｂの嵌合開口１３ａに嵌合可能な幅とし、図６（Ａ）（Ｂ）に示すように、該落下防止リブ１５ｆがケース本体１３の切欠部１３ｂに嵌め合わされ、前記切欠部１３ｂの嵌合開口１３ａを塞いでいる。   On the inner surface 15e of the upper wall 15 of the upper cover 15 at a position facing the notch 13b of the case body 13, a fall prevention rib 15f having a triangular cross section extends from the lower portion of the projection 15d toward the lower cover 14 side. Yes. The width of the fall prevention rib 15f is a width that can be fitted into the fitting opening 13a of the notch 13b of the opposite case body 13, and as shown in FIGS. 6A and 6B, the fall prevention rib 15f. Is fitted into the notch 13b of the case body 13 and closes the fitting opening 13a of the notch 13b.

前記構成とすると、ジャンクションブロック１１では、前記突起１５ｄがアッパーカバー１５とケース本体１３との隙間を無くしていると共に、アッパーカバー１５の周壁内面１５ｅに突設した落下防止リブ１５ｆがケース本体１３の切欠部１３ｂの嵌合開口１３ａを塞き、ヒューズ装着部１１ａ周辺にヒューズが入り込む隙間および開口がない。
従って、ヒューズ装着部１１ａに装着されるヒューズを交換する際に、作業者が誤ってヒューズを落下させたとしても、アッパーカバー１５とケース本体１３の間にヒューズが入り込むことがなく、ヒューズ交換の作業性が向上すると共に、作業者の負担を削減することができる。
また、リレーブロック１２では、前記格子部１２ｄの開口１２ｃをヒューズが入り込まない大きさとしているので、ヒューズが格子部１２ｄ内に入ってしまうことがなく、ヒューズを落下させたとしても、容易にヒューズを拾い上げることができる。 With this configuration, in the junction block 11, the protrusion 15 d eliminates the gap between the upper cover 15 and the case main body 13, and the fall prevention rib 15 f that protrudes from the peripheral wall inner surface 15 e of the upper cover 15 has the case main body 13. The fitting opening 13a of the notch 13b is closed, and there is no gap or opening for the fuse to enter around the fuse mounting portion 11a.
Therefore, when replacing the fuse mounted on the fuse mounting portion 11a, even if the operator accidentally drops the fuse, the fuse does not enter between the upper cover 15 and the case body 13, and the fuse replacement Workability can be improved and the burden on the operator can be reduced.
Further, in the relay block 12, since the opening 12c of the lattice portion 12d is sized so as not to enter the fuse, the fuse does not enter the lattice portion 12d, and even if the fuse is dropped, the fuse can be easily removed. Can be picked up.

図７は本発明の第２実施形態を示し、アッパーカバー１５側に第１実施形態の前記突起１５ｄは設けず、ジャンクションブロック１１のヒューズ装着部１１ａの周辺のケース本体１３周縁から突起１３ｄを設け、ヒューズ装着部１１ａ周辺のアッパーカバー１５とケース本体１３との隙間Ｌ２’をヒューズが入り込まない幅としている。
なお、他の構成および作用効果は第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。
また、図７（Ｃ）に示すように、アッパーカバー１５の突起１５ｄとケース本体１３の突起１３ｄの両方を設けても良い。 FIG. 7 shows a second embodiment of the present invention, in which the protrusion 15d of the first embodiment is not provided on the upper cover 15 side, and a protrusion 13d is provided from the periphery of the case body 13 around the fuse mounting portion 11a of the junction block 11. The gap L2 ′ between the upper cover 15 and the case body 13 around the fuse mounting portion 11a is set to a width that does not allow the fuse to enter.
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.
Further, as shown in FIG. 7C, both the protrusion 15d of the upper cover 15 and the protrusion 13d of the case body 13 may be provided.

本発明の第１実施形態に係る電気接続箱の平面図である。It is a top view of the electrical junction box concerning a 1st embodiment of the present invention. 図１の電気接続箱を示す図であり、（Ａ）は正面図、（Ｂ）は右側面図である。It is a figure which shows the electrical-connection box of FIG. 1, (A) is a front view, (B) is a right view. ジャンクションボックスを示す要部を拡大した平面図である。It is the top view which expanded the principal part which shows a junction box. リレーボックスを示す図であり、（Ａ）は平面図、（Ｂ）は要部を拡大した断面図である。It is a figure which shows a relay box, (A) is a top view, (B) is sectional drawing to which the principal part was expanded. アッパーカバーを示す図であり、（Ａ）は斜視図、（Ｂ）は右側面図であり、（Ｃ）は（Ａ）のＡ−Ａ線断面図である。It is a figure which shows an upper cover, (A) is a perspective view, (B) is a right view, (C) is the sectional view on the AA line of (A). （Ａ）はアッパーカバーとケース本体とがロック結合している状態の要部を拡大した平面図、（Ｂ）はＢ−Ｂ線断面図である。(A) is the top view to which the principal part of the state which the upper cover and the case main body are carrying out the lock | rock coupling | bonding is expanded, (B) is a BB sectional drawing. 第２実施形態を示す図であり、（Ａ）はアッパーカバーとケース本体とがロック結合している状態の要部を拡大した平面図であり、（Ｂ）は（Ａ）のＣ−Ｃ線断面図であり、（Ｃ）は（Ｂ）の変形例を示す図である。It is a figure which shows 2nd Embodiment, (A) is the top view to which the principal part of the state which the upper cover and the case main body are carrying out the lock coupling | bonding is expanded, (B) is CC line of (A) It is sectional drawing, (C) is a figure which shows the modification of (B). 従来例を示す図であり、（Ａ）は電気接続箱の平面図、（Ｂ）は（Ａ）の要部を拡大した斜視図である。It is a figure which shows a prior art example, (A) is a top view of an electrical-connection box, (B) is the perspective view which expanded the principal part of (A).

符号の説明Explanation of symbols

１０ 電気接続箱
１１ ジャンクションブロック
１１ａ ヒューズ装着部
１２ リレーブロック
１２ａ ヒューズ装着部
１２ｂ リレー装着部
１２ｃ 開口
１２ｄ 格子部
１３ ケース本体
１３ｂ 切欠部
１４ ロアカバー
１４ａ 電線引出部
１５ アッパーカバー
１５ａ 上面
１５ｂ 取付開口
１５ｄ 突起
１５ｆ 落下防止リブ
Ｗ 電線群 DESCRIPTION OF SYMBOLS 10 Electrical junction box 11 Junction block 11a Fuse mounting part 12 Relay block 12a Fuse mounting part 12b Relay mounting part 12c Opening 12d Lattice part 13 Case main body 13b Notch part 14 Lower cover 14a Electric wire extraction part 15 Upper cover 15a Upper surface 15b Mounting opening 15d Protrusion 15f Fall prevention rib W Wire group

Claims (2)

ヒューズ装着部を備えるケース本体にロアカバーとアッパーカバーを被せ、該アッパーカバーには前記ヒューズ装着部の上方にメンテナンス用の開口を設けると共に該開口をヒューズカバーで開閉し、かつ、前記ヒューズ装着部に上方より装着されるヒューズに対して下方から接続する電線群をロアカバーの内部を通して、該ロアカバーに設けた電線引出部より引き出している電気接続箱において、
前記ケース本体のヒューズ装着部周辺に設ける格子部の開口を、前記ヒューズが脱落不可な大きさとすると共に、該ヒューズ装着部周辺のケース本体と前記アッパーカバーとの隙間に、ケース本体側あるいは／およびアッパーカバー側から突起を設けて、該隙間の幅を前記ヒューズが隙間に入り込まない幅とし、前記ヒューズ装着部の周辺には、前記ヒューズがロアカバー側に脱落する開口および隙間が無い構成としていることを特徴とする電気接続箱。 Cover the case body with a fuse mounting part with a lower cover and an upper cover. The upper cover is provided with an opening for maintenance above the fuse mounting part, and the opening is opened and closed with a fuse cover. In the electrical connection box that draws out the wire group connected from below to the fuse mounted from above through the inside of the lower cover, from the wire lead-out portion provided in the lower cover,
The opening of the lattice portion provided around the fuse mounting portion of the case main body is sized so that the fuse cannot be removed, and the gap between the case main body and the upper cover around the fuse mounting portion is on the case main body side and / or Protrusion is provided from the upper cover side so that the width of the gap is such that the fuse does not enter the gap, and there is no opening and no gap around the fuse mounting part so that the fuse falls off to the lower cover side. An electrical junction box characterized by. 前記ケース本体にはリレー装着部も設け、該リレー装着部と前記ヒューズ装着部を除く領域に前記格子部を設けている請求項１に記載の電気接続箱。   The electrical junction box according to claim 1, wherein the case body is also provided with a relay mounting portion, and the lattice portion is provided in an area excluding the relay mounting portion and the fuse mounting portion.
JP2006155702A 2006-06-05 2006-06-05 Electrical connection box Withdrawn JP2007325465A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010136469A (en) * 2008-12-02 2010-06-17 Yazaki Corp Electric connection box
JP2020188596A (en) * 2019-05-15 2020-11-19 株式会社オートネットワーク技術研究所 Electric connection box
CN113748051B (en) * 2019-05-15 2024-05-31 株式会社自动网络技术研究所 Electric junction box

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2010136469A (en) * 2008-12-02 2010-06-17 Yazaki Corp Electric connection box
US8523612B2 (en) 2008-12-02 2013-09-03 Yazaki Corporation Electric connection box structure
JP2020188596A (en) * 2019-05-15 2020-11-19 株式会社オートネットワーク技術研究所 Electric connection box
WO2020230622A1 (en) * 2019-05-15 2020-11-19 株式会社オートネットワーク技術研究所 Electrical connection box
CN113748051A (en) * 2019-05-15 2021-12-03 株式会社自动网络技术研究所 Electrical connection box
JP7167846B2 (en) 2019-05-15 2022-11-09 株式会社オートネットワーク技術研究所 electric junction box
US11990737B2 (en) 2019-05-15 2024-05-21 Autonetworks Technologies, Ltd. Electrical connection box
CN113748051B (en) * 2019-05-15 2024-05-31 株式会社自动网络技术研究所 Electric junction box

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