JP2000287336A - Electric connection box - Google Patents
Electric connection boxInfo
- Publication number
- JP2000287336A JP2000287336A JP11085919A JP8591999A JP2000287336A JP 2000287336 A JP2000287336 A JP 2000287336A JP 11085919 A JP11085919 A JP 11085919A JP 8591999 A JP8591999 A JP 8591999A JP 2000287336 A JP2000287336 A JP 2000287336A
- Authority
- JP
- Japan
- Prior art keywords
- cover
- wall
- guide wall
- guide
- peripheral wall
- 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.)
- Granted
Links
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は電気接続箱に関し、
詳しくは、コネクタ等を介してワイヤハーネスが接続さ
れるケース本体に、別体の保護用のカバーをロック固定
する構成としている電気接続箱において、カバー取付時
にワイヤハーネスを構成する電線がカバーの周壁等の間
に噛み込まれないようにするものである。TECHNICAL FIELD The present invention relates to an electric junction box,
Specifically, in an electric connection box in which a separate protective cover is locked and fixed to a case body to which a wire harness is connected via a connector or the like, an electric wire forming the wire harness is attached to a peripheral wall of the cover when the cover is attached. And so on so that they do not get caught between them.
【０００２】[0002]
【従来の技術】自動車等には電気接続箱が搭載され、種
々の回路の接続性を高めたり、リレーやヒューズ等の接
続箇所の集中化を図っている。上記電気接続箱には、内
部回路が収容されており、外部等の回路と接続するため
に、上面等にワイヤハーネス接続用の多数の接続部が設
けられている。これらの接続部やワイヤハーネスを保護
するために、カバーを取り付けるようにしている電気接
続箱が多い。2. Description of the Related Art An electric connection box is mounted on an automobile or the like to improve connectivity of various circuits and to centralize connection points such as relays and fuses. The electric connection box houses an internal circuit, and is provided with a large number of connection portions for connecting a wire harness on an upper surface or the like in order to connect to an external circuit or the like. In order to protect these connection parts and wire harnesses, many electric connection boxes are provided with covers.
【０００３】図５（Ａ）は、従来の電気接続箱１を示
し、電気接続箱１のケース本体２の上面２ａに別体のカ
バー３をロック固定により取り付けるタイプである。ワ
イヤハーネスＷ／Ｈは電線群Ｄより構成され、一端側が
外部等の回路に接続されており、他端側は湾曲されなが
らケース本体２ａの上面２ａを配策され、所要箇所で分
岐した夫々先端が上面２ａの接続部２ｂに接続されてい
る。FIG. 5A shows a conventional electric connection box 1 of a type in which a separate cover 3 is fixed to an upper surface 2a of a case main body 2 of the electric connection box 1 by locking. The wire harness W / H is composed of a wire group D, one end of which is connected to an external circuit or the like, and the other end of which is routed on the upper surface 2a of the case body 2a while being curved, and each end is branched at a required location. Are connected to the connection portion 2b on the upper surface 2a.
【０００４】また、ケース本体２の上面２ａの略中央に
は、湾曲しながら配策する電線群Ｄをガイドするために
一対のガイド壁４、４を立設させている。ガイド壁４、
４は、図５（Ｂ）に示すように、カバー３の周壁３ａを
外嵌する壁厚の薄い外嵌部４ａ、４ａを設けており、外
嵌部４ａ、４ａより下方は壁厚を厚くして段差４ｆ、４
ｆを設けている。一方、カバー３は、周壁３ａの外面に
載置部３ｂを突設させている。なお、上記のようにケー
ス本体２とカバー３を別体にしているのは、カバー３を
ケース本体２の真上から取り付けられるようにするため
であり、このようにしないとカバー３の周壁３ａの先端
等がガイド壁４ａ、４ａの上部等と干渉して嵌合できな
いからである。[0004] A pair of guide walls 4 are provided upright at the approximate center of the upper surface 2a of the case body 2 to guide the wire group D routed while being curved. Guide wall 4,
4, as shown in FIG. 5B, the outer fitting portions 4 a, 4 a having a small wall thickness for externally fitting the peripheral wall 3 a of the cover 3 are provided, and the wall thickness is thicker below the outer fitting portions 4 a, 4 a. And steps 4f, 4
f is provided. On the other hand, the cover 3 has a mounting portion 3b protruding from the outer surface of the peripheral wall 3a. The reason why the case main body 2 and the cover 3 are separated from each other as described above is that the cover 3 can be attached from directly above the case main body 2. Otherwise, the peripheral wall 3a of the cover 3 will be required. Of the guide walls 4a, 4a, cannot be fitted.
【０００５】[0005]
【発明が解決しようとする課題】カバー３は、電線群Ｄ
の接続を全て完了してから、周囲に設けられたロック係
止部３ｆ等によりケース本体２ａの真上から上面２ａに
取り付けてロック固定されている。このカバー３の取付
時に、ガイド壁４、４においては、図５（Ｂ）に示すよ
うに、電線群Ｄの最外周部に位置する電線ｄ１、ｄ２が
電線群Ｄより拡がって段差４ｆ、４ｆに載置したり、段
差４ｆ、４ｆの上方に位置したりする場合がある。この
状態でカバー３を取り付ようとすると、図５（Ｃ）に示
すように、電線ｄ１、ｄ２は、カバー３の周壁３ａの下
面３ｅと段差４ｆに噛み込まれてしまう問題がある。The cover 3 is made of a wire group D
After all of the above connections are completed, the case is fixed to the upper surface 2a from directly above the case main body 2a by a lock engaging portion 3f or the like provided therearound. When the cover 3 is attached, as shown in FIG. 5 (B), the wires d1 and d2 located at the outermost periphery of the wire group D spread out from the wire group D on the guide walls 4 and 4 to form steps 4f and 4f. In some cases, or may be located above the steps 4f, 4f. If the cover 3 is attached in this state, there is a problem that the electric wires d1 and d2 are caught by the lower surface 3e of the peripheral wall 3a of the cover 3 and the step 4f as shown in FIG.
【０００６】上記のように電線ｄ１、ｄ２が噛み込まれ
ると押しつぶされて断線等の不良が発生するおそれがあ
り、さらには、噛み込まれた電線ｄ１、ｄ２が抵抗とな
りカバー３に亀裂等の破損が生じるおそれもある。上記
問題は、特に電線断面が０．３ｍｍ２から０．５ｍｍ２
の場合に発生しやすく、また、電線を結束している電線
群Ｄの結束が緩い場合や、電線群Ｄを構成する電線数が
多い場合等にも発生しやすい。If the electric wires d1 and d2 are caught as described above, they may be crushed and cause a failure such as a disconnection. Damage may occur. The above problem is particularly caused when the cross section of the electric wire is 0.3 mm 2 to 0.5 mm 2
, And also when the wire group D that binds the wires is loosely bound, or when the number of wires constituting the wire group D is large, or the like.
【０００７】上記のような電線の噛み込みは、電気接続
箱以外にもワイヤハーネス保護用のプロテクタにおいて
も発生する場合があり、これを解決するために特開平１
０−２８５７４２号で、図６（Ａ）（Ｂ）（Ｃ）に示す
プロテクタ５が提案されている。プロテクタ５は突起片
６ａを有する蓋部材６と、蓋部材６の閉鎖時に開口５ａ
の上部に配置される押付部材７をヒンジ部８を介して本
体９と一体に成形している。押付部材７は蓋部材６の閉
鎖状態でヒンジ部８においてＶ字状の溝８ａを形成する
ことと、押付部材７の先端部７ａの傾斜面７ｂと突起片
６ａにより、夫々電線ｄの噛み込み防止を図っている。The above-mentioned biting of the electric wire may occur not only in the electric connection box but also in a protector for protecting the wire harness.
No. 0-285742 proposes a protector 5 shown in FIGS. 6 (A), (B) and (C). The protector 5 includes a cover member 6 having a projection 6a and an opening 5a when the cover member 6 is closed.
Is formed integrally with the main body 9 via the hinge portion 8. The pressing member 7 engages the electric wire d by forming a V-shaped groove 8a in the hinge portion 8 when the lid member 6 is closed, and by the inclined surface 7b and the protruding piece 6a of the distal end portion 7a of the pressing member 7. We are trying to prevent it.
【０００８】上記の形態を電気接続箱１に適用しようと
すると、ケース本体２とカバー３は別体であるため、上
記ヒンジ部８等によるＶ字状の溝８ａの構造を適用する
ことはできない。また、電気接続箱１における電線の噛
み込みは側面で発生するため、上面において重力を利用
した傾斜面７ｂと突起片６ａの構造を適用できず、ま
た、金型による成形上、垂直部の側面に突起片を設ける
ことも困難となる。When the above-described embodiment is applied to the electric junction box 1, the structure of the V-shaped groove 8a formed by the hinge 8 or the like cannot be applied since the case body 2 and the cover 3 are separate bodies. . Further, since the electric wires are caught in the electric connection box 1 on the side surfaces, the structure of the inclined surface 7b and the projecting piece 6a using gravity cannot be applied on the upper surface. It is also difficult to provide a projection piece on the surface.
【０００９】本発明は、上記した問題に鑑みてなされた
ものであり、電気接続箱において、カバーを取り付ける
際に、電線が噛み込まないようにして種々の不具合の発
生を解消することを課題としている。SUMMARY OF THE INVENTION The present invention has been made in view of the above-described problems, and has as its object to eliminate the occurrence of various inconveniences by preventing the electric wires from being caught when the cover is attached to the electric connection box. I have.
【００１０】[0010]
【課題を解決するための手段】上記課題を解決するた
め、本発明は、一対のガイド壁を一面より立設させるケ
ース本体と、別体のカバーとを備え、上記ケース本体の
一面と一対のガイド壁に囲まれた空間に電線群が湾曲さ
れながら配策されて、上記ガイド壁にカバーの周壁が嵌
合されて、カバーがケース本体にロック固定され、上記
ガイド壁には、上端より下方に向けて内面側を切り欠い
て壁厚を薄くした外嵌部が設けられると共に該外嵌部の
下端から下方に向けて内面を突出していくテーパー部が
設けられる一方、上記カバーの周壁の外面には、下端よ
り嵌合長さ分上方の位置で外側へ突出する載置部が設け
られ、該載置部がガイド壁の上面に載置されると共に載
置部より下側のカバーの周壁がガイド壁の外嵌部に内嵌
され、カバーの周壁とガイド壁との間に電線が噛み込ま
れない構成としている電気接続箱を提供している。SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention comprises a case main body in which a pair of guide walls are erected from one surface, and a separate cover. The wire group is routed while being curved in the space surrounded by the guide wall, the peripheral wall of the cover is fitted to the guide wall, the cover is locked and fixed to the case main body, and the guide wall has a lower portion than the upper end. An outer fitting portion having a reduced wall thickness by notching the inner surface side is provided and a taper portion projecting downward from a lower end of the outer fitting portion is provided, while an outer surface of a peripheral wall of the cover is provided. A mounting portion protruding outward at a position above the lower end by the fitting length, the mounting portion is mounted on the upper surface of the guide wall, and the peripheral wall of the cover below the mounting portion is provided. Is fitted inside the outer fitting part of the guide wall, and the peripheral wall of the cover It provides an electrical connection box has a configuration in which the wire is not caught between the guide wall.
【００１１】上記のように、ケース本体のガイド壁の内
面側にテーパー部を設けることで、一対のガイド壁に囲
まれた空間に配策された電線群の最外周に位置する電線
が、カバーの取付時に、カバーの周壁下面と当接して電
線が噛み込まれそうになっても、テーパー部により電線
がテーパー部の傾斜した上面に倣って内面側に押し出さ
れるため、電線の噛み込みを防止できる。なお、テーパ
ー部の傾斜角度は、１０度から６０度の範囲で電線の本
数等を考慮して所要形態に合致する角度としている。ま
た、テーパー部の外嵌部と連続する箇所に、電線が載ら
ない程度の水平部を設けて、カバー固定時に、カバー周
壁の下面と上記水平部の上面が当接するようにして、カ
バーの密閉性を高めるようにしてもよい。As described above, by providing the tapered portion on the inner surface side of the guide wall of the case main body, the electric wire positioned at the outermost periphery of the electric wire group arranged in the space surrounded by the pair of guide walls can be covered by the cover. Even when the wire is likely to be caught in contact with the lower surface of the peripheral wall of the cover when it is installed, the wire is pushed out to the inner surface side by the tapered part following the inclined upper surface of the tapered part, preventing the wire from being caught it can. In addition, the inclination angle of the tapered portion is set to an angle that matches a required form in consideration of the number of electric wires in a range of 10 degrees to 60 degrees. Further, a horizontal portion is provided at a position where the electric wire does not rest on a portion continuous with the outer fitting portion of the tapered portion, and when the cover is fixed, the lower surface of the cover peripheral wall is brought into contact with the upper surface of the horizontal portion so that the cover is sealed. You may make it improve nature.
【００１２】また、本発明の電気接続箱は、一対のガイ
ド壁を一面より立設させるケース本体と、別体のカバー
とを備え、上記ケース本体の一面と一対のガイド壁に囲
まれた空間に電線群が湾曲されながら配策されて、上記
ガイド壁にカバーの周壁が嵌合されて、カバーがケース
本体にロック固定され、上記ガイド壁には、上端より下
方に向けて内面側を切り欠いて壁厚を薄くした外嵌部が
設けられると共に該外嵌部の下端より連続して内面側に
段差が設けられる一方、上記カバーの周壁には、下面よ
り内面側へ斜め上方に切り欠いたテーパー面が設けられ
ると共に外面には下端より嵌合長さ分上方の位置で外側
へ突出する載置部が設けられ、該載置部がガイド壁の上
面に載置されると共に載置部より下側のカバーの周壁が
ガイド壁の外嵌部に内嵌され、カバーの周壁とガイド壁
との間に電線が噛み込まれない構成としている。Further, the electric junction box of the present invention includes a case main body in which a pair of guide walls are erected from one surface, and a separate cover, and a space surrounded by one surface of the case main body and the pair of guide walls. The wire group is arranged while being bent, and the peripheral wall of the cover is fitted to the guide wall, the cover is locked and fixed to the case body, and the guide wall has an inner surface side cut downward from the upper end. An outer fitting portion with a reduced wall thickness is provided and a step is provided on the inner surface side continuously from the lower end of the outer fitting portion, while the peripheral wall of the cover is notched diagonally upward from the lower surface toward the inner surface side. And a mounting portion protruding outward at a position above the lower end by the fitting length from the lower end, and the mounting portion is mounted on the upper surface of the guide wall and the mounting portion is provided on the outer surface. The peripheral wall of the lower cover is the outer fitting part of the guide wall Is internally fitted, it has a configuration in which the wire is not caught between the cover peripheral wall and the guide wall.
【００１３】上記のように、カバーの周壁の下面より内
面側にテーパー面を設けることで、ガイド壁の段差に電
線の載置等が生じても、カバー取付時に、周壁の下面よ
り内面側へ斜め上方に傾斜するテーパー面に倣って電線
が押し出されるので、電線の噛み込みを防ぐことができ
る。なお、ガイド壁にも、段差を切り欠いて上述したよ
うなテーパー部を設けて、電線をさらに押し出しやすく
してもよい。As described above, by providing the tapered surface on the inner surface side from the lower surface of the peripheral wall of the cover, even if the electric wires are placed on the step of the guide wall, the lower surface of the peripheral wall moves to the inner surface side when the cover is attached. Since the electric wire is pushed out following the tapered surface inclined obliquely upward, it is possible to prevent the electric wire from being caught. It should be noted that the guide wall may be provided with the above-described tapered portion by cutting out the step to further facilitate the pushing of the electric wire.
【００１４】さらに、本発明の電気接続箱は、一対のガ
イド壁を一面より立設させるケース本体と、別体のカバ
ーとを備え、上記ケース本体の一面と一対のガイド壁に
囲まれた空間に電線群が湾曲されながら配策されて、上
記ガイド壁にカバーの周壁が嵌合されて、カバーがケー
ス本体にロック固定され、上記ガイド壁には、上端より
下方に向けて嵌合長さに隙間を加えた長さにわたり壁厚
を薄くした外嵌部が設けられると共に該外嵌部の下端よ
り連続して内面側に段差が設けられる一方、上記カバー
の周壁の外面には、下端より嵌合長さ分上方の位置で外
側へ突出する載置部が設けられ、該載置部がガイド壁の
上面に載置されると共に載置部より下側のカバーの周壁
がガイド壁の段差と上記隙間をあけてガイド壁の外嵌部
に内嵌され、該隙間の長さを電線外径の一本以上二本以
下の寸法に設定して、隙間に位置する電線同士が当接し
て押し出されるようにしている。Further, the electric junction box according to the present invention includes a case body in which a pair of guide walls are erected from one surface and a separate cover, and a space surrounded by one surface of the case body and the pair of guide walls. The wire group is arranged while being curved, the peripheral wall of the cover is fitted to the guide wall, the cover is locked and fixed to the case body, and the fitting length of the guide wall is downward from the upper end. An outer fitting portion with a reduced wall thickness is provided over a length including a gap, and a step is provided on the inner surface side continuously from the lower end of the outer fitting portion, while the outer surface of the peripheral wall of the cover has a lower end than the lower end. A mounting portion that protrudes outward at a position above the fitting length is provided, the mounting portion is mounted on the upper surface of the guide wall, and a peripheral wall of the cover below the mounting portion is a step of the guide wall. The guide wall is internally fitted into the outer fitting portion of the The length is set to one or more two following dimensions of outer diameter of the wire of, so that electric wires positioned in the gap is forced in contact.
【００１５】上記のように、カバーのロック固定時に、
カバーの周壁の下端とガイド壁の段差との間に電線外径
の一本以上二本以下の隙間が開くようにすることで、一
本の電線が隙間に入り込んだ場合は、隙間の長さに余裕
があるため電線は噛み込まれることはない。また、二本
の電線が隙間に入り込んだ場合は、隙間の寸法の制限よ
り、夫々電線が垂直に同一直線状に位置することはな
く、必ずどちらか一方が内面側に傾いて位置するので、
傾いた側の電線が内面側に押し出されて電線の噛み込み
を防ぐことができる。なお、隙間の寸法の制限より三本
以上の電線が隙間に入り込むことはない。As described above, when the cover is locked,
By making a gap of one or more outer diameters of the electric wire between the lower end of the peripheral wall of the cover and the step of the guide wall, if one electric wire enters the gap, the length of the gap Because there is enough room, the electric wire will not be bitten. In addition, when two wires enter the gap, due to the limitation of the size of the gap, the wires are not vertically positioned on the same straight line, and one of them is always inclined to the inner surface side,
The inclined electric wire is pushed out to the inner surface side, so that the electric wire can be prevented from biting. In addition, three or more electric wires do not enter the gap due to the limitation of the dimension of the gap.
【００１６】[0016]
【発明の実施の形態】以下、本発明の電気接続箱の実施
形態を図面を参照して説明する。図１（Ａ）は、本発明
の第一実施形態の電気接続箱１０を示しており、樹脂製
の電気接続箱１０を構成するケース本体１２とカバー１
３は別体で成形されている。上記ケース本体１２の上面
１２ａには、電線群Ｄより構成されて所要箇所で分岐す
るワイヤハーネスＷ／Ｈが湾曲しながら配策され、分岐
した支線の端末に接続したコネクタＣをケース本体１２
の接続部１２ｂに接続して、ケース本体１２に収容され
ている内部回路（図示せず）と外部回路を接続してい
る。この接続後に、カバー１３をケース本体１２の上面
１２ａにかぶせてロック係止部１３ｆとロック爪１２ｃ
によりロック固定している。また、ケース本体１２の上
面１２ａには、ヒューズやリレー等の接続部を設けてい
る場合もある。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, an embodiment of an electric junction box according to the present invention will be described with reference to the drawings. FIG. 1A shows an electric connection box 10 according to a first embodiment of the present invention, in which a case main body 12 and a cover 1 constituting the electric connection box 10 made of resin.
3 is formed separately. On the upper surface 12a of the case main body 12, a wire harness W / H, which is composed of a group of electric wires D and branches at a required location, is arranged in a curved manner, and a connector C connected to a terminal of the branch branch is connected to the case main body 12.
To the internal circuit (not shown) housed in the case body 12 and the external circuit. After this connection, the cover 13 is put on the upper surface 12a of the case body 12, and the lock engagement portion 13f and the lock claw 12c
Locked by Further, a connection portion such as a fuse or a relay may be provided on the upper surface 12a of the case body 12.
【００１７】なお、上記のように、ワイヤハーネスＷ／
Ｈを湾曲させながら配策しているのは、電気接続箱１０
の車体の搭載位置や車体形状によるためである。また、
上記ワイヤハーネスＷ／Ｈを構成する電線群Ｄの夫々電
線の断面は０．３ｍｍ２から８．０ｍｍ２のものが通常
使用されており、本実施形態では、０．３ｍｍ２から
０．５ｍｍ２の電線が多く用いられている。As described above, the wire harness W /
The reason for arranging while bending H is that the electric connection box 10
This depends on the mounting position of the vehicle body and the vehicle body shape. Also,
The respective wires of the cross section of the wire group D constituting the wire harness W / H is those from 0.3 mm 2 to 8.0 mm 2 is usually used, in this embodiment, 0.5 mm 2 from 0.3 mm 2 Are widely used.
【００１８】上記ケース本体１２の一面である上面１２
ａの略中央部には、図１（Ｂ）に示すように、湾曲させ
ながら配策するワイヤハーネスＷ／Ｈを案内すると共に
カバー１３を支持するために一対のガイド壁１４、１４
が立設されている。上記ガイド壁１４、１４間の距離
は、ケース本体１２の幅よりは狭くしてワイヤハーネス
Ｗ／Ｈの電線群Ｄの外径よりは広くしている。ガイド壁
１４、１４（以降、ガイド壁１４と表す）は、カバー１
３の周壁１３ａを外嵌する部分となる上端から下方に向
けて電線群Ｄの配策側となる内面側Ｘを切り欠いて壁厚
を薄くした外嵌部１４ａを設けている。The upper surface 12 which is one surface of the case body 12
As shown in FIG. 1B, a pair of guide walls 14, 14 for guiding the wire harness W / H to be routed while bending and for supporting the cover 13 are provided at a substantially central portion of FIG.
Is erected. The distance between the guide walls 14 is smaller than the width of the case body 12 and wider than the outer diameter of the wire group D of the wire harness W / H. The guide walls 14, 14 (hereinafter, referred to as the guide walls 14) cover the cover 1.
An outer fitting portion 14a is provided in which the inner surface side X, which is the routing side of the wire group D, is cut off downward from the upper end, which is the portion where the peripheral wall 13a of the third member 3 is fitted, to reduce the wall thickness.
【００１９】図１（Ｂ）（Ｃ）に示すように、ガイド壁
１４には、上記外嵌部１４ａの下端より連続して下方に
向けて内面側Ｘの面を徐々に突出させることによりテー
パー部１４ｃを設けている。テーパー部１４ｃの傾斜角
度Ｒは、電線がテーパー部１４ｃの上面に留まらないよ
うにし、かつ、ガイド壁１４の剛性を確保するために１
０度から６０度程度が好ましく、本実施形態では４５度
に設定している。As shown in FIGS. 1 (B) and 1 (C), the guide wall 14 is tapered by gradually projecting the surface on the inner surface X continuously downward from the lower end of the outer fitting portion 14a. A portion 14c is provided. The inclination angle R of the tapered portion 14c is set at 1 in order to prevent the electric wire from staying on the upper surface of the tapered portion 14c and to secure the rigidity of the guide wall 14.
The angle is preferably about 0 to 60 degrees, and is set to 45 degrees in the present embodiment.
【００２０】一方、カバー１３は、周壁１３ａの外面１
３ｃに、周壁１３ａの下端より嵌合させる長さ分上方の
位置で外側の水平方向へ突出する載置部１３ｂを設けて
いる。上記載置部１３ｂは、カバー１３の固定時に、上
記ガイド壁１４の上面に載置されるようにして、カバー
１３の固定時の安定化を図っている。On the other hand, the cover 13 is provided on the outer surface 1 of the peripheral wall 13a.
3c is provided with a mounting portion 13b protruding outward in the horizontal direction at a position above the lower end of the peripheral wall 13a by a length to be fitted. The mounting portion 13b is mounted on the upper surface of the guide wall 14 when the cover 13 is fixed, thereby stabilizing the fixing of the cover 13.
【００２１】上記カバー１３をワイヤハーネスＷ／Ｈが
配策された上記ケース本体１２に被せるには、図１
（Ｂ）に示すように、カバー１３の周壁１３ａがガイド
壁１４に内嵌されるように図中の矢印方向より取り付け
る。この際、ワイヤハーネスＷ／Ｈを構成する電線群Ｄ
の最外周に位置する電線ｄ１、ｄ２が飛び出してテーパ
ー部１４の上方に位置する場合でも、カバー１３を嵌合
していくと、図１（Ｃ）に示すように、周壁１３の下面
１３ｅに当接して、テーパー部１３の上面に沿って内面
側Ｘの方向へ押し出され、電線ｄ１、ｄ２が噛み込まれ
ることを防いでいる。このように電線ｄ１等を押し出し
た後、載置部１３ｂをガイド壁１４の上面に載置して、
周壁１３ａを外嵌部１４ａに内嵌し、ロック係止部１３
ｆとロック爪１２ｃにより、カバー１３をケース本体に
ロック固定している。To cover the cover 13 on the case body 12 provided with the wiring harness W / H, FIG.
As shown in (B), the cover 13 is attached from the direction of the arrow in the drawing so that the peripheral wall 13a of the cover 13 is fitted inside the guide wall 14. At this time, the wire group D constituting the wire harness W / H
Even when the electric wires d1 and d2 located at the outermost periphery of the outer wall protrude and are located above the tapered portion 14, when the cover 13 is fitted, as shown in FIG. The wires d1 and d2 are pushed out in the direction of the inner surface X along the upper surface of the tapered portion 13 to prevent the electric wires d1 and d2 from being caught. After the wires d1 and the like are extruded in this way, the mounting portion 13b is mounted on the upper surface of the guide wall 14,
The peripheral wall 13a is fitted inside the outer fitting portion 14a,
The cover 13 is locked and fixed to the case body by f and the lock claws 12c.
【００２２】図２は、第一実施形態の変形例であり、外
嵌部１４ａの下端に水平部１４ｄを設けてからテーパー
部１４ｃを連続させている。水平部１４ｄの幅は電線ｄ
１等の半径より短い寸法に設定して、水平部１４ｄの上
面に電線ｄ１が載置しないようにしている。上記のよう
に水平部１４ｄを設けることで、カバー１３の固定時
に、載置部１３ｂとガイド壁１４の上面に加えて周壁１
３の下面１３ｅと水平部１４の上面でも接するようにな
り、カバー１３の固定状態をより安定させることができ
る。また、電線ｄ１の噛み込みもテーパー部１４ｃによ
り防いでいる。FIG. 2 shows a modification of the first embodiment, in which a horizontal portion 14d is provided at the lower end of the outer fitting portion 14a, and then the tapered portion 14c is continued. The width of the horizontal portion 14d is the electric wire d
The dimension is set smaller than the radius such as 1 so that the electric wire d1 is not placed on the upper surface of the horizontal portion 14d. By providing the horizontal portion 14d as described above, when the cover 13 is fixed, in addition to the mounting portion 13b and the upper surface of the guide wall 14, the peripheral wall 1d is provided.
3 also comes into contact with the upper surface of the horizontal portion 14 so that the fixed state of the cover 13 can be further stabilized. Also, biting of the electric wire d1 is prevented by the tapered portion 14c.
【００２３】図３（Ａ）は、本発明の第二実施形態を示
しており、カバー１３’の周壁１３ａ’の下面より内面
側へ上方に斜めに切り欠いてテーパー面１３ｄ’を設け
ている。テーパー面１３ｄ’の傾斜角度は第一実施形態
のテーパー部１４ｃと同様に設定している。一方、ガイ
ド壁１４’は、第一実施形態と同様に外嵌部１４ａ’を
設け、この外嵌部１４ａ’の下端より連続して内面側Ｘ
に段差１４ｆ’を設けている。上記以外のカバー１
３’、ガイド壁１４ａ’等の他の部分は第一実施形態と
同様の構成および形状としている。FIG. 3A shows a second embodiment of the present invention, in which a tapered surface 13d 'is formed by diagonally notching upward from the lower surface of the peripheral wall 13a' of the cover 13 'to the inner surface side. . The inclination angle of the tapered surface 13d 'is set similarly to the tapered portion 14c of the first embodiment. On the other hand, the guide wall 14 'is provided with an outer fitting portion 14a' as in the first embodiment, and is continuously connected to the inner surface X from the lower end of the outer fitting portion 14a '.
Is provided with a step 14f '. Other cover 1
Other parts such as 3 ′ and the guide wall 14a ′ have the same configuration and shape as the first embodiment.
【００２４】上記カバー１３’をケース本体１２’に被
せると、電線群Ｄの最外周に位置する電線ｄ１、ｄ２が
段差１４ｆ’の上方に位置する場合でも、周壁１３のテ
ーパー面１３ｄ’に当接して、電線ｄ１等がテーパ面１
３ｄ’に倣うことで、内面側Ｘへ押し出され噛み込まれ
ることを防いでいる。When the cover 13 'is put on the case main body 12', even if the wires d1 and d2 located at the outermost periphery of the wire group D are located above the step 14f ', the wires 13a and 13b' come into contact with the tapered surface 13d 'of the peripheral wall 13. In contact with the wire d1 etc.
By following 3d ', it is prevented from being pushed into the inner side X and being bitten.
【００２５】図３（Ｂ）は、第二実施形態の変形例であ
り、カバー１３’の周壁１３ａ’の下面の外面側に水平
面１３ｅ’を設けてからテーパー面１３ｄ’を連続させ
ている。水平面１３ｅ’の幅は電線ｄ１の半径より短く
設定している。また、ガイド壁１４’は第一実施形態の
変形例と同形状にして水平部１４ｄ’により段差を有す
るようにしている。このようにすることで、電線ｄ１は
一段と内面側Ｘに押し出されやすくなると共に、テーパ
ー面１３ｄ’とテーパー部１４ｃ’により切り欠かれて
いる空間を大きくなっているので、電線ｄ１が周壁１３
ａ’等と当接する機会自体も減少する。また、カバー１
３’の固定時には、水平面１３ｅ’と水平部１４ｄ’が
当接することで、カバー１３’の安定した固定状態も確
保できる。FIG. 3B is a modification of the second embodiment, in which a horizontal surface 13e 'is provided on the outer surface of the lower surface of the peripheral wall 13a' of the cover 13 ', and then the tapered surface 13d' is continued. The width of the horizontal plane 13e 'is set shorter than the radius of the electric wire d1. The guide wall 14 'has the same shape as that of the modification of the first embodiment, and has a step due to the horizontal portion 14d'. By doing so, the electric wire d1 is more easily pushed out to the inner surface side X, and the space cut out by the tapered surface 13d 'and the tapered portion 14c' is enlarged.
The chance of contact with a 'and the like also decreases. Also, cover 1
When the 3 'is fixed, the horizontal surface 13e' and the horizontal portion 14d 'come into contact with each other, so that a stable fixing state of the cover 13' can be secured.
【００２６】図４は、本発明の第三実施形態を示してお
り、ガイド壁１４”には、カバー１３”の周壁１３ａ”
が嵌合する長さにカバー１３”の嵌合時に下面１３ｅ”
との間に生じる隙間Ｓを加えた長さを上端より下方向に
むけて内面側Ｘを切り欠くことにより外嵌部１４ａ”を
設けている。また、この外嵌部１４ａ”の下端には第二
実施形態と同様に段差１４ｆ”を設けている。上記カバ
ー１３”の下面１３ｅ”と段差１４ｆ”の上面との間の
隙間Ｓの垂直方向の長さＬは、電線群の最外周に位置す
る電線ｄ１、ｄ３等の外径の一本以上二本以下に相当す
る寸法に設定している。FIG. 4 shows a third embodiment of the present invention, in which a guide wall 14 "is provided with a peripheral wall 13a" of a cover 13 ".
When the cover 13 "is fitted, the lower surface 13e"
The outer fitting portion 14a "is provided by notching the inner surface side X so as to extend downward from the upper end to the length including the gap S generated between the outer fitting portion 14a". As in the second embodiment, a step 14f "is provided. The vertical length L of the gap S between the lower surface 13e" of the cover 13 "and the upper surface of the step 14f" is set at the outermost periphery of the wire group. The outer diameter of the positioned electric wires d1, d3, etc. is set to a size corresponding to one or more and two or less.
【００２７】一方、カバー１３”は、第一実施形態と同
様に載置部１３ｂ”を設けている。上述した以外のカバ
ー１３”やガイド壁１４”等の形状及び構成は第一実施
形態と同様である。On the other hand, the cover 13 "has a mounting portion 13b" as in the first embodiment. The shape and configuration of the cover 13 ″ and the guide wall 14 ″ other than those described above are the same as in the first embodiment.
【００２８】カバー１３”の取付時に、電線ｄ１、ｄ３
がガイド壁１４”の段差１４ｆ”の上面に載置していた
り、上方に位置している場合は、電線ｄ１、ｄ３がカバ
ー１３”の周壁１３ａ”の下面１３ｅ”に当接して、隙
間Ｓに押し込まれていく。その後、カバー１３”の載置
部１３ｂ”の下面にガイド壁１４”の上面が当接して完
全にカバー１３”が内嵌されると、電線ｄ１と電線ｄ３
同士も当接し、下側の電線ｄ３は段差１４ｆ”の上面と
も当接する。When the cover 13 "is mounted, the electric wires d1, d3
Is placed on the upper surface of the step 14f "of the guide wall 14" or is positioned above, the wires d1 and d3 abut against the lower surface 13e "of the peripheral wall 13a" of the cover 13 "and the gap S Thereafter, when the upper surface of the guide wall 14 "comes into contact with the lower surface of the mounting portion 13b" of the cover 13 "and the cover 13" is completely fitted, the electric wires d1 and d3 are inserted.
The lower wires d3 also contact the upper surface of the step 14f ″.
【００２９】上記の当接状態では、隙間Ｓの長さＬが電
線外径の一本以上二本以下であるため、電線ｄ１と電線
ｄ３が垂直で同一直線上に並ぶことはなく、どちら一方
が内面側Ｘに傾いて当接することとなる。本実施形態で
は、電線ｄ１が外嵌部１４ａ”の内面と間隔を開けて内
面側Ｘに傾いて当接している。この状態では、バランス
が悪く電線ｄ１が保持されないため、電線ｄ１が内面側
Ｘに押し出される。また、残存する電線ｄ３は隙間Ｓの
長さＬより小さいため押しつぶされて噛み込みこともな
い。また、上記とは逆に下方の電線ｄ３が内面側Ｘに位
置して、上方の電線ｄ１が外嵌部１４ａ”の内面の近く
に位置する場合は、電線ｄ１と電線ｄ３が当接すること
により、電線ｄ３が内面側Ｘに押し出されるようにな
る。さらに、隙間Ｓに電線が一本のみ存在する場合は、
長さＬにより電線が噛みまれることはない。In the above-mentioned contact state, since the length L of the gap S is one or more and two or less the outer diameter of the electric wire, the electric wires d1 and d3 do not line up vertically and on the same straight line. Are inclined and contact the inner surface X. In the present embodiment, the wire d1 is in contact with the inner surface X of the outer fitting portion 14a "at an interval with a gap therebetween. In this state, the wire d1 is poorly balanced and the wire d1 is not held. The remaining electric wire d3 is smaller than the length L of the gap S, so that it is not crushed and caught.In contrast to the above, the lower electric wire d3 is located on the inner surface side X, and When the upper electric wire d1 is located near the inner surface of the outer fitting portion 14a ", the electric wire d3 comes into contact with the electric wire d3 so that the electric wire d3 is pushed out to the inner surface side X. Further, when only one electric wire exists in the gap S,
The length L prevents the electric wire from being bitten.
【００３０】なお、第三実施形態においても、ガイド壁
１４”に第一実施形態と同様にテーパー部を設けるよう
にしてもよく、また、カバー１３”の周壁１３ａ”にも
第二実施形態と同様にテーパー面を設けるようにしても
よい。In the third embodiment, the guide wall 14 "may be provided with a tapered portion as in the first embodiment, and the peripheral wall 13a" of the cover 13 "may be provided with the same shape as the second embodiment. Similarly, a tapered surface may be provided.
【００３１】[0031]
【発明の効果】上記の説明より明らかなように、本発明
の電気接続箱を使用することで、ケース本体に配策され
たワイヤハーネスの電線が、カバー取付時に、噛み込ま
れることがなくなり、断線やカバー等の破損を確実に防
ぐことができ、電気接続箱の品質性を維持することがで
きる。As is apparent from the above description, by using the electric junction box of the present invention, the electric wire of the wire harness arranged in the case body is not caught when the cover is attached, Disconnection and breakage of the cover and the like can be reliably prevented, and the quality of the electric connection box can be maintained.
【図１】 本発明の第一実施形態にかかる電気接続箱で
あり、（Ａ）は分解斜視図、（Ｂ）は（Ａ）のＡ−Ａ断
面図、（Ｃ）は要部拡大断面図である。FIG. 1 is an electric connection box according to a first embodiment of the present invention, in which (A) is an exploded perspective view, (B) is an AA sectional view of (A), and (C) is an enlarged sectional view of a main part. It is.
【図２】 第一実施形態の変形例の電気接続箱におけ
る、要部拡大断面図である。FIG. 2 is an enlarged sectional view of a main part of an electric junction box according to a modified example of the first embodiment.
【図３】 （Ａ）は第二実施形態の電気接続箱の要部拡
大断面図であり、（Ｂ）は第二実施形態の変形例の電気
接続箱の要部拡大断面図である。FIG. 3A is an enlarged cross-sectional view of a main part of an electric junction box according to a second embodiment, and FIG. 3B is an enlarged cross-sectional view of a main part of an electric junction box according to a modification of the second embodiment.
【図４】 第三実施形態の電気接続箱の要部拡大断面図
である。FIG. 4 is an enlarged sectional view of a main part of an electric junction box according to a third embodiment.
【図５】 従来の電気接続箱であり、（Ａ）は全体斜視
図、（Ｂ）は（Ａ）のＢ−Ｂ断面図、（Ｃ）は問題点を
示す要部拡大断面図である。5 (A) is an overall perspective view, FIG. 5 (B) is a BB sectional view of FIG. 5 (A), and FIG. 5 (C) is an enlarged sectional view of a main part showing a problem.
【図６】 従来のプロテクタであり、（Ａ）は全体斜視
図、（Ｂ）は要部拡大断面図、（Ｃ）は別の箇所の要部
拡大断面図である。6 (A) is a general perspective view, FIG. 6 (B) is an enlarged sectional view of a main part, and FIG. 6 (C) is an enlarged cross-sectional view of another part.
１、１０ 電気接続箱 ２、１２ ケース本体 ３、１３、１３’、１３” カバー ３ａ、１３ａ、１３ａ’、１３ａ” 周壁 ３ｂ、１３ｂ、１３ｂ’、１３ｂ” 載置部 ３ｅ、１３ｅ、１３ｅ’、１３ｅ” 下面 ４、１４ ガイド壁 ４ａ、１４ａ、１４ａ’、１４ａ” 外嵌部 ４ｆ、１４ｆ、１４ｆ’、１４ｆ” 段差 １３ｄ’ テーパー面 １４ｃ、１４ｃ’ テーパー部 1, 10 electrical junction box 2, 12 case body 3, 13, 13 ', 13 "cover 3a, 13a, 13a', 13a" peripheral wall 3b, 13b, 13b ', 13b "mounting part 3e, 13e, 13e', 13e "lower surface 4, 14 guide wall 4a, 14a, 14a ', 14a" outer fitting portion 4f, 14f, 14f', 14f "step 13d 'taper surface 14c, 14c' taper portion
Claims (3)
ース本体と、別体のカバーとを備え、上記ケース本体の
一面と一対のガイド壁に囲まれた空間に電線群が湾曲さ
れながら配策されて、上記ガイド壁にカバーの周壁が嵌
合されて、カバーがケース本体にロック固定され、 上記ガイド壁には、上端より下方に向けて内面側を切り
欠いて壁厚を薄くした外嵌部が設けられると共に該外嵌
部の下端から下方に向けて内面を突出していくテーパー
部が設けられる一方、上記カバーの周壁の外面には、下
端より嵌合長さ分上方の位置で外側へ突出する載置部が
設けられ、該載置部がガイド壁の上面に載置されると共
に載置部より下側のカバーの周壁がガイド壁の外嵌部に
内嵌され、カバーの周壁とガイド壁との間に電線が噛み
込まれない構成としている電気接続箱。1. A case body, in which a pair of guide walls are erected from one surface, and a separate cover, and a wire group is arranged while being curved in a space surrounded by one surface of the case body and the pair of guide walls. Then, the peripheral wall of the cover is fitted to the guide wall, the cover is locked and fixed to the case body, and the guide wall has an inner surface cut away downward from the upper end to reduce the wall thickness. A fitting portion is provided, and a tapered portion is provided to project an inner surface downward from a lower end of the outer fitting portion. On the other hand, an outer surface of the peripheral wall of the cover is provided at a position higher than the lower end by a fitting length. A mounting portion protruding toward the guide wall, the mounting portion is mounted on the upper surface of the guide wall, and a peripheral wall of the cover below the mounting portion is internally fitted into an outer fitting portion of the guide wall, and a peripheral wall of the cover is provided. Wire is not caught between the guide wall Electrical junction box that.
ース本体と、別体のカバーとを備え、上記ケース本体の
一面と一対のガイド壁に囲まれた空間に電線群が湾曲さ
れながら配策されて、上記ガイド壁にカバーの周壁が嵌
合されて、カバーがケース本体にロック固定され、 上記ガイド壁には、上端より下方に向けて内面側を切り
欠いて壁厚を薄くした外嵌部が設けられると共に該外嵌
部の下端より連続して内面側に段差が設けられる一方、
上記カバーの周壁には、下面より内面側へ斜め上方に切
り欠いたテーパー面が設けられると共に外面には下端よ
り嵌合長さ分上方の位置で外側へ突出する載置部が設け
られ、該載置部がガイド壁の上面に載置されると共に載
置部より下側のカバーの周壁がガイド壁の外嵌部に内嵌
され、カバーの周壁とガイド壁との間に電線が噛み込ま
れない構成としている電気接続箱。2. A case body, wherein a pair of guide walls are erected from one surface, and a separate cover, and a group of electric wires is arranged while being curved in a space surrounded by one surface of the case body and the pair of guide walls. Then, the peripheral wall of the cover is fitted to the guide wall, the cover is locked and fixed to the case body, and the guide wall has an inner surface cut away downward from the upper end to reduce the wall thickness. While a fitting portion is provided and a step is provided on the inner surface side continuously from the lower end of the outer fitting portion,
The peripheral wall of the cover is provided with a tapered surface cut out obliquely upward from the lower surface to the inner surface side, and a mounting portion is provided on the outer surface to protrude outward at a position above the lower end by the fitting length, The mounting portion is mounted on the upper surface of the guide wall, and the peripheral wall of the cover below the mounting portion is internally fitted into the outer fitting portion of the guide wall, and the electric wire is caught between the peripheral wall of the cover and the guide wall. An electrical junction box with a configuration that is not covered.
ース本体と、別体のカバーとを備え、上記ケース本体の
一面と一対のガイド壁に囲まれた空間に電線群が湾曲さ
れながら配策されて、上記ガイド壁にカバーの周壁が嵌
合されて、カバーがケース本体にロック固定され、 上記ガイド壁には、上端より下方に向けて嵌合長さに隙
間を加えた長さにわたり壁厚を薄くした外嵌部が設けら
れると共に該外嵌部の下端より連続して内面側に段差が
設けられる一方、上記カバーの周壁の外面には、下端よ
り嵌合長さ分上方の位置で外側へ突出する載置部が設け
られ、該載置部がガイド壁の上面に載置されると共に載
置部より下側のカバーの周壁がガイド壁の段差と上記隙
間をあけてガイド壁の外嵌部に内嵌され、該隙間の長さ
を電線外径の一本以上二本以下の寸法に設定して、隙間
に位置する電線同士が当接して押し出される構成として
いる電気接続箱。3. A case body having a pair of guide walls standing upright from one surface, and a separate cover, wherein the wire group is arranged in a space surrounded by the one surface of the case body and the pair of guide walls while being curved. The peripheral wall of the cover is fitted to the guide wall, the cover is locked and fixed to the case body, and the guide wall extends over the length obtained by adding a gap to the fitting length downward from the upper end. An outer fitting portion having a reduced wall thickness is provided, and a step is provided on the inner surface side continuously from the lower end of the outer fitting portion. On the outer surface of the peripheral wall of the cover, a position higher than the lower end by the fitting length is provided. The mounting portion is provided on the upper surface of the guide wall, and the peripheral wall of the cover below the mounting portion is spaced from the step of the guide wall by the gap and the guide wall. And the length of the gap is set to one or more outer diameters of the electric wire. Set the following dimensions this electrical connection box has a configuration in which electric wires positioned in the gap is forced in contact.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP08591999A JP3414309B2 (en) | 1999-03-29 | 1999-03-29 | Electrical junction box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP08591999A JP3414309B2 (en) | 1999-03-29 | 1999-03-29 | Electrical junction box |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JP2000287336A true JP2000287336A (en) | 2000-10-13 |
| JP3414309B2 JP3414309B2 (en) | 2003-06-09 |
Family
ID=13872206
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP08591999A Expired - Fee Related JP3414309B2 (en) | 1999-03-29 | 1999-03-29 | Electrical junction box |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3414309B2 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006280037A (en) * | 2005-03-28 | 2006-10-12 | Sumitomo Wiring Syst Ltd | Electric connection box for automobile |
| JP2006325379A (en) * | 2005-05-20 | 2006-11-30 | Kitagawa Ind Co Ltd | Clamp |
| JP2007068274A (en) * | 2005-08-30 | 2007-03-15 | Yazaki Corp | Electrical connection box |
| WO2008050496A1 (en) * | 2006-09-28 | 2008-05-02 | Sumitomo Wiring Systems, Ltd. | Protector |
-
1999
- 1999-03-29 JP JP08591999A patent/JP3414309B2/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006280037A (en) * | 2005-03-28 | 2006-10-12 | Sumitomo Wiring Syst Ltd | Electric connection box for automobile |
| JP2006325379A (en) * | 2005-05-20 | 2006-11-30 | Kitagawa Ind Co Ltd | Clamp |
| JP4634860B2 (en) * | 2005-05-20 | 2011-02-16 | 北川工業株式会社 | Clamp |
| JP2007068274A (en) * | 2005-08-30 | 2007-03-15 | Yazaki Corp | Electrical connection box |
| WO2008050496A1 (en) * | 2006-09-28 | 2008-05-02 | Sumitomo Wiring Systems, Ltd. | Protector |
| US8124887B2 (en) | 2006-09-28 | 2012-02-28 | Sumitomo Wiring Systems, Ltd. | Protector |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3414309B2 (en) | 2003-06-09 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20030304 |
|
| LAPS | Cancellation because of no payment of annual fees |