JP2600273Y2 - Electrical junction box - Google Patents
Electrical junction boxInfo
- Publication number
- JP2600273Y2 JP2600273Y2 JP1991074344U JP7434491U JP2600273Y2 JP 2600273 Y2 JP2600273 Y2 JP 2600273Y2 JP 1991074344 U JP1991074344 U JP 1991074344U JP 7434491 U JP7434491 U JP 7434491U JP 2600273 Y2 JP2600273 Y2 JP 2600273Y2
- Authority
- JP
- Japan
- Prior art keywords
- upper case
- lock
- lower case
- case
- junction box
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Details Of Connecting Devices For Male And Female Coupling (AREA)
- Connection Or Junction Boxes (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本考案は、ワイヤハーネスの相互
接続に用いられる電気接続箱に関し、その内部回路構成
部材を収容する上部ケースと下部ケースのロック構造に
改良を施したものである。BACKGROUND OF THE INVENTION The present invention relates to an electric connection box used for interconnecting wire harnesses, in which the lock structure of an upper case and a lower case accommodating internal circuit components is improved.
【０００２】[0002]
【従来の技術】電気接続箱には、ヒューズボックス、リ
レーボックス、分岐接続箱など種々の接続装置が含まれ
るが、内部回路構成部材としてワイヤハーネス中のジョ
イントを吸収するための分岐タブを有するブスバーが使
用される。2. Description of the Related Art An electrical junction box includes various connection devices such as a fuse box, a relay box, and a branch junction box. A bus bar having a branch tab for absorbing a joint in a wire harness as an internal circuit component is included. Is used.
【０００３】図４は従来の分岐接続箱の一例を示すもの
で、１は合成樹脂の上部ケース、２は下部ケースであっ
て、下部ケース２に並設した複数条のブスバー収容溝３
にはそれぞれ複数の分岐タブ５を設けたブスバー４が縦
に収容され、分岐タブ５群を上部ケース１に設けた所定
の囲い壁６ａに突き出して複数のコネクタ挿着部６を形
成している。FIG. 4 shows an example of a conventional branch junction box. Reference numeral 1 denotes an upper case made of a synthetic resin, 2 denotes a lower case, and a plurality of busbar accommodating grooves 3 arranged in parallel with the lower case 2.
A bus bar 4 provided with a plurality of branch tabs 5 is vertically accommodated therein, and a group of branch tabs 5 protrudes from a predetermined enclosure wall 6 a provided on the upper case 1 to form a plurality of connector insertion portions 6. .
【０００４】下部ケース２に被せる上部ケース１の四辺
の周壁、すなわち長手方向の対向する側壁１ａと左右の
端壁１ｂの中央にはロック部７が設けられ、下部ケース
２の周壁には該ロック部７と係合するロック係止部８が
設けられており、両ケース１，２は複数のブスバー４を
挟持した状態でロック固定される。A lock 7 is provided at the center of the four side walls of the upper case 1 to be put on the lower case 2, that is, the side walls 1a and the right and left end walls 1b facing each other in the longitudinal direction. A lock engagement portion 8 that engages with the portion 7 is provided, and the two cases 1 and 2 are locked and fixed with a plurality of bus bars 4 sandwiched therebetween.
【０００５】[0005]
【考案が解決しようとする課題】合成樹脂製の上部ケー
ス１と下部ケース２は、図５（Ａ），（Ｂ）に示すよう
に成形時にソリＢ，Ｂ′が生じやすい。ソリが生じて
も、両ケース１，２は、そのロック位置が中央にあるた
めに互いにロック固定することができるが、例えば
（Ａ）のように、下部ケース２に弓状のソリＢが発生す
ると、長尺のブスバー４が一方に傾いて、左右のコネク
タ挿着部６1 ，６2 では分岐タブ５の突出長（高さ）ｈ
1 ，ｈ2 に差が生じ、相手端子との嵌挿深度が短くな
り、電気的接触が不安定になる。また、（Ｂ）のよう
に、並設されたブスバー４群のうち、左右両端部のブス
バー４1 ，４2 と下部ケース２との間には、中央部のブ
スバー４0 と比較して大きな隙間Ｖが生じ、車両走行時
のガタツキにより異音が発生するおそれがある。As shown in FIGS. 5A and 5B, the upper case 1 and the lower case 2 made of synthetic resin are liable to cause warpage B and B 'during molding. Even if warpage occurs, both cases 1 and 2 can be locked and fixed to each other because the locking position is at the center. For example, as shown in FIG. Then, bus bars 4 long is inclined to one, the protruding length (height) of the left and right of the connector insertion portion 6 1 and 6 2 in branch tab 5 h
1 and h 2 , the insertion depth with the mating terminal becomes short, and the electrical contact becomes unstable. Also, large compared to the way, among the juxtaposed bus bars 4 group, between the bus bar 4 1, 4 2 and the lower case 2 of the right and left end portions, the bus bar 4 0 of the middle portion of (B) The gap V is generated, and there is a possibility that abnormal noise may be generated due to rattling during traveling of the vehicle.
【０００６】本考案は、上記の問題に着目してなされた
もので、上部ケースと下部ケースに成形時に不可避のソ
リがあっても、このソリを吸収し、ブスバーの傾きやケ
ースとの隙間による分岐タブの突出長の差違やガタツキ
をなくすことを課題とする。The present invention has been made in view of the above-mentioned problem. Even if an inevitable warp is formed in the upper case and the lower case at the time of molding, the warp is absorbed, and the slant of the bus bar and the clearance between the case are caused. An object of the present invention is to eliminate a difference in protrusion length of a branch tab and rattling.
【０００７】[0007]
【課題を解決するための手段】前記の課題を達成するた
め、本考案の電気接続箱は、請求項１に記載のように、
合成樹脂製の箱型の下部ケースと上部ケースとの間に複
数のブスバーを挟着し、ブスバーに連成した分岐タブを
上部ケースに設けた囲い壁内に突出させてコネクタ挿着
部を形成して成る電気接続箱において、前記上部ケース
の各周壁の両端部寄りにそれぞれロック部を設け、前記
下部ケースには該ロック部と係合するロック係止部を設
けると共に、上部ケースに歪緩和用の切欠部を隣合う周
壁にまたがって設けたことを特徴とする。In order to achieve the above object, an electric junction box according to the present invention has the following features.
A plurality of busbars are sandwiched between a synthetic resin box-shaped lower case and upper case, and a connector tab is formed by projecting a branch tab coupled to the busbar into the enclosure wall provided in the upper case. The upper case,
Each locking portion at both ends near the respective peripheral walls disposed of, together with the lower case provided with a lock engaging portion to be engaged with the lock portion, the circumferential adjacent notches for strain relaxation in upper case
It is characterized by being provided over a wall .
【０００８】[0008]
【作用】本考案にあっては、電気接続箱を構成する上部
ケースと下部ケースに成形時のソリが存在しても、その
ソリの最も大きい部分である両ケースの各周壁の両端部
寄りにロック部とロック係止部があるから、両ケースを
ロック固定することにより、ソリを矯正することができ
る。したがって、ブスバーの傾きやケースとの隙間もな
くなるから、分岐タブの突出長も一定となり、ブスバー
のガタツキや異音発生もなくなる。また、両ケースのロ
ック時には上部ケースのロック部には応力歪みが集中す
るが、このロック部と近接して切欠部が設けてあるの
で、歪みが吸収緩和され、ケース周壁およびロック部の
損傷が防止される。According to the present invention, even if the upper case and the lower case constituting the electric junction box have warpage during molding, both ends of each peripheral wall of both cases, which are the largest parts of the warp.
Since there is a lock portion and a lock engagement portion closer to each other, the warp can be corrected by locking and fixing both cases. Therefore, since the inclination of the bus bar and the gap between the case and the case are eliminated, the protruding length of the branch tab becomes constant, and rattle of the bus bar and generation of abnormal noise are eliminated. When both cases are locked, stress strain concentrates on the lock portion of the upper case, but the notch portion is provided close to the lock portion, so that the distortion is absorbed and alleviated, and damage to the case peripheral wall and the lock portion is prevented. Is prevented.
【０００９】[0009]
【実施例】図１は本考案の実施例を示す分岐接続箱の斜
視図であるが、従来例と同一の構成部材には同一の符号
を用いて詳細な説明を省略する。上部ケース１の対向す
る側壁（周壁）１ａと左右の端壁（周壁）１ｂには、そ
れぞれ両端側すなわち隅部Ｃに近接してロック部７′，
７′を設けると共に、隣合う周壁にまたがって歪緩和用
の切欠部９が設けてある。また、下部ケース２の四辺の
側面には該ロック部７′，７′と係合するロック係止部
８′，８′が設けられている。FIG. 1 is a perspective view of a branch junction box showing an embodiment of the present invention. The same components as those of the prior art are denoted by the same reference numerals, and a detailed description thereof will be omitted. Opposing side walls (peripheral walls) 1a and left and right end walls (peripheral walls) 1b of the upper case 1 have lock portions 7 ',
7 'is provided, and a notch 9 for strain relief is provided over the adjacent peripheral wall . Further, the lock portion 7 on the side of the four sides of the lower case 2 ', 7' snap tab 8 engages with ', 8' are provided.
【００１０】図２は上部ケース１と下部ケース２とのロ
ック状態を示す部分断面図であるが、切欠部９はその上
縁部９ａがロック時における下部ケース２の上端面２ａ
よりも十分低く位置するように形成する。FIG. 2 is a partial cross-sectional view showing a locked state of the upper case 1 and the lower case 2. The notch 9 has an upper end surface 9a when the upper edge 9a is locked.
It is formed so as to be located sufficiently lower than that.
【００１１】上記構成において、下部ケース２に図３
（Ａ）に示す如く弓状のソリＢが存在しても、上部ケー
ス１のロック部７′，７′および下部ケース２のロック
係止部８′，８′がそれぞれ周壁の両端部、すなわちケ
ースの隅部に近接して設けてあるから、両ケース１，２
のロックにより下部ケース２のソリＢは図３（Ｂ）のよ
うに矯正される。その結果、図５（Ａ），（Ｂ）に示す
ようなブスバー４の傾きによる分岐タブ５の突出長
ｈ1 ，ｈ2 の差違やブスバー４と下部ケース２との隙間
Ｖが解消するから、相手端子との接触不良やガタツキに
よる異音発生もなくなる。In the above configuration, the lower case 2
As shown in (A), even when the bow-shaped sled B is present, the lock portions 7 ', 7' of the upper case 1 and the lock locking portions 8 ', 8' of the lower case 2 are both ends of the peripheral wall, that is, Since both cases are provided close to the corner of the case,
The warp B of the lower case 2 is corrected as shown in FIG. As a result, the difference in the projecting lengths h 1 and h 2 of the branch tab 5 due to the inclination of the bus bar 4 and the gap V between the bus bar 4 and the lower case 2 as shown in FIGS. 5A and 5B are eliminated. The occurrence of abnormal noise due to poor contact with the partner terminal and backlash is also eliminated.
【００１２】また、下部ケース２のソリＢを強制的にな
くすことにより上部ケース１のロック部７′，７′に大
きな応力歪が発生するが、切欠部９がこれを吸収緩和す
るので、該ロック部７′や側壁１ａに亀裂や割れが生じ
る心配もない。さらに、隣合う周壁にまたがって切欠部
９を設けたことにより、周面全体のたわみが均一化さ
れ、ロック嵌合性も向上する。Further, when the warp B of the lower case 2 is forcibly removed, a large stress strain is generated in the lock portions 7 ', 7' of the upper case 1, but the cutout 9 absorbs and relaxes the stress strain. There is no fear that cracks or cracks will occur in the lock portion 7 'or the side wall 1a. Further, by providing the cutout portion 9 over the adjacent peripheral wall, the bending of the entire peripheral surface is made uniform, and the lock fitting property is also improved.
【００１３】以上は、上部ケース１と下部ケース２に複
数のブスバー４をその巾方向に縦に並設した例について
説明したが、分岐タブを有するブスバーを絶縁基板の板
面と平行に配設した通常のブスバー配線板或いはこれを
積層したものについても同様に適用することができる。In the above, an example has been described in which a plurality of bus bars 4 are vertically arranged in the width direction of the upper case 1 and the lower case 2, but the bus bars having branch tabs are arranged in parallel with the plate surface of the insulating substrate. The same can be applied to a normal busbar wiring board or a laminate of the same.
【００１４】[0014]
【考案の効果】以上説明したように、本考案の電気接続
箱は、上部ケースと下部ケースの各周壁の両端部寄りに
ロック位置を設定すると共に上部ケースの隣合う周壁に
またがって歪緩和用の切欠部を設けたので、成形時に生
じるソリを吸収し、従来ソリによって生じていた分岐タ
ブの突出長の差違やブスバーのガタツキによる異音発生
をなくすことができる。As has been described above devised], the electric connection box of the present invention is, in the peripheral wall adjacent the upper case sets a <br/> locking position at both ends near the respective peripheral walls of the upper case and lower case
Further , since the cutout portion for strain relief is provided, the warpage generated at the time of molding can be absorbed, and the noise caused by the difference in the projecting length of the branch tab and the rattle of the bus bar, which are caused by the conventional warp, can be eliminated.
【図１】本考案の一実施例を示す分岐接続箱の分解斜視
図である。FIG. 1 is an exploded perspective view of a branch junction box showing one embodiment of the present invention.
【図２】図１の上部ケースと下部ケースのロック状態を
示す部分断面図である。FIG. 2 is a partial sectional view showing a locked state of an upper case and a lower case of FIG. 1;
【図３】（Ａ），（Ｂ）はそれぞれ図１の作用状態の説
明図である。FIGS. 3A and 3B are explanatory views of the operation state of FIG. 1;
【図４】従来の分岐接続箱の分解斜視図である。FIG. 4 is an exploded perspective view of a conventional branch junction box.
【図５】（Ａ）は同上の作用状態を示すブスバーの長手
方向に沿う縦断面図、（Ｂ）は同じく横断面図である。FIG. 5A is a longitudinal sectional view along the longitudinal direction of a bus bar showing an operation state of the above, and FIG. 5B is a transverse sectional view of the same.
１ 上部ケース ２ 下部ケース ４ ブスバー ５ 分岐タブ ６ コネクタ挿着部 ６ａ 囲い壁 ７′ ロック部 ８′ ロック係止部 ９ 切欠部 DESCRIPTION OF SYMBOLS 1 Upper case 2 Lower case 4 Bus bar 5 Branch tab 6 Connector insertion part 6a Enclosure wall 7 'Lock part 8' Lock engagement part 9 Notch
───────────────────────────────────────────────────── フロントページの続き (72)考案者 杉山 雅章 静岡県湖西市鷲津2464−48 矢崎部品株 式会社内 (56)参考文献 特開 平１−294383（ＪＰ，Ａ) 実開 平１−69311（ＪＰ，Ｕ) 実開 昭63−172069（ＪＰ，Ｕ) 実開 昭59−192282（ＪＰ，Ｕ) ──────────────────────────────────────────────────続 き Continuation of the front page (72) Inventor Masaaki Sugiyama 2464-48 Washitsu, Kosai City, Shizuoka Prefecture Inside Yazaki Parts Co., Ltd. (56) References JP-A-1-294383 (JP, A) JP-A-1-69311 (JP, U) Japanese Utility Model 63-172069 (JP, U) Japanese Utility Model 59-192282 (JP, U)
Claims (1)
ースとの間に複数のブスバーを挟着し、ブスバーに連成
した分岐タブを上部ケースに設けた囲い壁内に突出させ
てコネクタ挿着部を形成して成る電気接続箱において、 前記上部ケースの各周壁の両端部寄りにそれぞれロック
部を設け、前記下部ケースには該ロック部と係合するロ
ック係止部を設けると共に、上部ケースに歪緩和用の切
欠部を隣合う周壁にまたがって設けたことを特徴とする
電気接続箱。1. A connector having a plurality of busbars sandwiched between a synthetic resin box-shaped lower case and an upper case, and a branch tab coupled to the busbar protruding into an enclosure wall provided in the upper case. In an electric connection box formed with an insertion portion, a lock portion is provided near each end of each peripheral wall of the upper case , and a lock engagement portion that engages with the lock portion is provided in the lower case, An electric junction box, wherein a notch for strain relief is provided in an upper case over an adjacent peripheral wall .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1991074344U JP2600273Y2 (en) | 1991-09-17 | 1991-09-17 | Electrical junction box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1991074344U JP2600273Y2 (en) | 1991-09-17 | 1991-09-17 | Electrical junction box |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0529230U JPH0529230U (en) | 1993-04-16 |
| JP2600273Y2 true JP2600273Y2 (en) | 1999-10-04 |
Family
ID=13544413
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1991074344U Expired - Fee Related JP2600273Y2 (en) | 1991-09-17 | 1991-09-17 | Electrical junction box |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2600273Y2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2583274Y2 (en) * | 1993-06-22 | 1998-10-22 | 住友電装株式会社 | Branch junction box |
| JP6167782B2 (en) * | 2013-09-13 | 2017-07-26 | コニカミノルタ株式会社 | Housing and development housing |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS59192282U (en) * | 1983-06-08 | 1984-12-20 | トヨタ自動車株式会社 | connector housing |
| JPS63172069U (en) * | 1987-04-28 | 1988-11-09 | ||
| JPH0514662Y2 (en) * | 1987-10-27 | 1993-04-19 | ||
| JPH0756821B2 (en) * | 1988-05-20 | 1995-06-14 | 菱星電装株式会社 | Connector housing |
-
1991
- 1991-09-17 JP JP1991074344U patent/JP2600273Y2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0529230U (en) | 1993-04-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A02 | Decision of refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A02 Effective date: 19980127 |
|
| LAPS | Cancellation because of no payment of annual fees |