JP3334104B2 - Waterproof structure of electrical junction box junction - Google Patents
Waterproof structure of electrical junction box junctionInfo
- Publication number
- JP3334104B2 JP3334104B2 JP28029197A JP28029197A JP3334104B2 JP 3334104 B2 JP3334104 B2 JP 3334104B2 JP 28029197 A JP28029197 A JP 28029197A JP 28029197 A JP28029197 A JP 28029197A JP 3334104 B2 JP3334104 B2 JP 3334104B2
- Authority
- JP
- Japan
- Prior art keywords
- groove
- junction
- joint surface
- waterproof structure
- terminal
- 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
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
- H01R13/5219—Sealing means between coupling parts, e.g. interfacial seal
Landscapes
- Connection Or Junction Boxes (AREA)
- Connector Housings Or Holding Contact Members (AREA)
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、相互に突き合わせ
て組付けられる電気接続箱の接合面に水が進入して、端
子にリーク電流が発生する問題を防止するようにした電
気接続箱の接合面の防水構造に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a junction of an electric junction box which prevents water from entering a junction surface of an electric junction box which is assembled in abutting relation with each other, thereby causing a leak current to a terminal. Surface waterproof structure.
【０００２】[0002]
【従来の技術】図６は、自動車のエンジンルーム内に搭
載されるリレーボックスＡと、リレーボックスＡの接合
面１に組付られる接合面２を有する電子ユニットＢを示
す斜視図であり、図７は図６の部分拡大図、図８はリレ
ーボックスＡの接合面１の周辺の縦断面図である。リレ
ーボックスＡの接合面１には、複数の端子収容室９の開
口３が直線状に配列して設けられ、電線５を接続した雌
型端子４が各端子収容室９に下側から挿入され（図８参
照）、公知の係止機構で係止される。接合面１には、１
列に配列された開口３を取り囲む矩形状の溝６が設けら
れる（図７参照）。2. Description of the Related Art FIG. 6 is a perspective view showing a relay box A mounted in an engine room of an automobile and an electronic unit B having a joint surface 2 assembled to a joint surface 1 of the relay box A. 7 is a partially enlarged view of FIG. 6, and FIG. 8 is a longitudinal sectional view around the joint surface 1 of the relay box A. In the joint surface 1 of the relay box A, openings 3 of a plurality of terminal accommodating chambers 9 are provided in a linear arrangement, and female terminals 4 to which electric wires 5 are connected are inserted into the respective terminal accommodating chambers 9 from below. (See FIG. 8), and is locked by a known locking mechanism. The joining surface 1 has 1
A rectangular groove 6 surrounding the openings 3 arranged in rows is provided (see FIG. 7).
【０００３】電子ユニットＢの接合面２には、開口３に
相対する位置に端子収容室の開口（図示しない）が設け
られ、端子収容室内に収容，係止された雄型端子７の先
端部が開口から突出している。接合面２には、矩形状の
溝６に相対する位置に矩形枠状の保護壁８が設けられ、
接合面１と２を突き合わせたときに、保護壁８が矩形状
の溝６に挿入され、外部からの水が１列に配列された開
口３に浸入しないように保護している。[0003] An opening (not shown) of a terminal accommodating chamber is provided on the joint surface 2 of the electronic unit B at a position opposite to the opening 3, and a distal end portion of the male terminal 7 accommodated and locked in the terminal accommodating chamber. Project from the opening. A rectangular frame-shaped protection wall 8 is provided on the joint surface 2 at a position facing the rectangular groove 6.
When the joining surfaces 1 and 2 are abutted, a protective wall 8 is inserted into the rectangular groove 6 to protect water from the outside from entering the openings 3 arranged in a line.
【０００４】[0004]
【発明が解決しようとする課題】然し、保護壁８と矩形
状の溝６との間には狭い隙間があり、この隙間から水や
湿気が通過する可能性があるので、水や湿気を完全に遮
断するものではなく、内部に浸入した水が接合面１に溜
まり、相隣る端子４或いは端子７につながってリーク電
流が発生する可能性がある。リーク電流の発生を防止す
るには、相隣る開口３，３の距離ｄを充分広くとって、
相隣る端子４，７が水に接続されないようにする方法が
考えられるが、開口３の配列長さが長くなり、リレーボ
ックスＡ，電子ユニットＢが大形化して高価になる弊害
や、大きな設置スペースを要する等の弊害が生じる。本
発明は、かかる課題を解決することを目的とし、リレー
ボックスＡ，電子ユニットＢなどの電気接続箱を大形化
することなく、リーク電流の発生を防止することができ
る接合面の防水構造を提供するものである。However, there is a narrow gap between the protective wall 8 and the rectangular groove 6, and there is a possibility that water or moisture may pass through this gap. However, there is a possibility that water that has penetrated inside accumulates on the bonding surface 1 and is connected to the adjacent terminal 4 or terminal 7 to generate a leak current. In order to prevent the occurrence of a leak current, the distance d between the adjacent openings 3 and 3 is set to be sufficiently large.
A method of preventing adjacent terminals 4 and 7 from being connected to water is conceivable. However, the arrangement length of the openings 3 is increased, and the size of the relay box A and the electronic unit B becomes large and expensive. A disadvantage such as requiring an installation space occurs. An object of the present invention is to solve the above-mentioned problem, and to provide a waterproof structure of a joint surface capable of preventing generation of a leak current without increasing the size of an electric connection box such as a relay box A and an electronic unit B. To provide.
【０００５】[0005]
【課題を解決するための手段】上記目的を達成するた
め、請求項１記載の発明は、一方の電気接続箱の接合面
に複数の端子収容室の開口が配列して設けられ、該接合
面に他方の電気接続箱の接合面が突き合わされて相互に
組み付けられたときに、該端子収容室内の端子が電気接
続される電気接続箱の接合面の防水構造において、一方
の電気接続箱の前記接合面に、相隣る開口の間にそれぞ
れ凹溝が設けられ、他方の電気接続箱の前記接合面に、
該凹溝に挿入される遮蔽壁が立設されたことを特徴とす
る。 また、請求項２記載の発明は、請求項１記載の電気
接続箱の接合面の防水構造において、前記凹溝の底部に
水抜き孔が設けられたことを特徴とする。To achieve the above object, according to an aspect of, according the invention of claim 1, wherein the opening of the plurality of terminal accommodating chambers in the joint surface of one of the electrical connection box is provided in sequence, the junction surface to when the other bonding surface of the electrical connection box attached are mutually see <br/> set by abutting, in the waterproof structure of the joint surface of the electrical connection box in which the terminal accommodating chamber of the terminals are electrically connected, whereas
On the joint surface of the electrical connection box, grooves are respectively provided between the Aitonaru opening, on the joint surface of the other of the electrical connection box,
A shielding wall inserted into the concave groove is provided upright.
You. The invention according to claim 2 is an electric vehicle according to claim 1.
In the waterproof structure of the joint surface of the connection box, a drain hole is provided at the bottom of the concave groove.
【０００６】[0006]
【発明の実施の形態】本発明の第一実施例について図面
を参照して説明すると、図１は、リレーボックスＡと電
子ユニットＢの要部斜視図、図２はリレーボックスＡの
接合面１１の平面図、図３は図２のＸ−Ｘ断面における
要部断面図である。リレーボックスＡの接合面１１に
は、直線状に配列された端子収容室１２の開口３の列が
設けられている（図２，図３参照）。電線５を接続した
雌型端子４が各端子収容室１２に下側から挿入され、１
列の開口３を取り囲む矩形状の溝６が設けられる（図１
参照）ことは従来例と同様であるが、次に述べる点が従
来例と相違する。DESCRIPTION OF THE PREFERRED EMBODIMENTS A first embodiment of the present invention will be described with reference to the drawings. FIG. 1 is a perspective view of a main part of a relay box A and an electronic unit B, and FIG. FIG. 3 is a cross-sectional view of an essential part in the XX section of FIG. The joint surface 11 of the relay box A is provided with a row of openings 3 of the terminal housing chambers 12 arranged in a straight line (see FIGS. 2 and 3). The female terminal 4 to which the electric wire 5 is connected is inserted into each terminal accommodating chamber 12 from below, and
A rectangular groove 6 surrounding the row of openings 3 is provided.
This is similar to the conventional example, but the following points are different from the conventional example.
【０００７】接合面１１には、相隣る開口３の間を仕切
る凹溝１３が設けられ、凹溝１３の両端は矩形状の溝６
に連通する。凹溝１３の深さをａとすると、接合面２，
１１の間に浸入した水の長さが（開口３間距離ｄ＋２
ａ）の長さに成長しない限り、接合面１１上に浸入した
水によって端子４がショートすることはない。従って、
開口３間の距離ｄを大きくすることなく、リーク電流の
発生を防止することができる。[0007] A concave groove 13 is provided on the joint surface 11 to partition between adjacent openings 3. Both ends of the concave groove 13 are rectangular grooves 6.
Communicate with Assuming that the depth of the concave groove 13 is a, the joining surface 2,
11 (the distance between the openings 3 d + 2
As long as the terminal 4 does not grow to the length of a), the terminal 4 does not short-circuit due to the water that has entered the bonding surface 11. Therefore,
The occurrence of a leak current can be prevented without increasing the distance d between the openings 3.
【０００８】凹溝１３の底面に、リレーボックスＡの下
面まで貫通する水抜き孔１４を設けた場合には（図３参
照）、接合面１１上に浸入した水が凹溝１３を経由して
下方に流出するので、リーク電流の防止効果が更に高ま
る。リレーボックスＡのケースは、一般に合成樹脂材を
型成形して形成されるので、型成形時に凹溝１３や水抜
き孔１４を同時に成形することにより、従来のリレーボ
ックスＡの製造費とほとんど変わらない。以上の実施例
では、リレーボックスＡの接合面１１に凹溝１３を設け
たが、電子ユニットＢの接合面にも凹溝１３を設けても
よい。When a drain hole 14 penetrating to the lower surface of the relay box A is provided on the bottom surface of the groove 13 (see FIG. 3), water that has entered the joint surface 11 passes through the groove 13. Since it flows downward, the effect of preventing leakage current is further enhanced. Since the case of the relay box A is generally formed by molding a synthetic resin material, the manufacturing cost of the conventional relay box A is substantially the same as that of the conventional relay box A by simultaneously forming the concave groove 13 and the drain hole 14 during the molding. Absent. In the above embodiment, the groove 13 is provided on the joint surface 11 of the relay box A. However, the groove 13 may be provided on the joint surface of the electronic unit B.
【０００９】図４，図５は本発明の第二実施例を示し、
図４はリレーボックスＡと電子ユニットＢの要部斜視
図、図５は図２のＸ−Ｘ断面と同じ位置の要部断面図で
ある。第一実施例との相違点は、電子ユニットＢの接合
面１５に、接合面１１の凹溝１３に相対する遮蔽壁１６
を立設したことであり、遮蔽壁１６の高さｈは凹溝１３
に収容される高さである（図５参照）。その他の構成は
第一実施例と同様であり、凹溝１３の底面に水抜き孔１
４を設けることが望ましい。FIGS. 4 and 5 show a second embodiment of the present invention.
4 is a perspective view of a main part of the relay box A and the electronic unit B, and FIG. 5 is a cross-sectional view of the main part at the same position as the cross section XX in FIG. The difference from the first embodiment is that the joining wall 15 of the electronic unit B has a shielding wall 16 facing the concave groove 13 of the joining surface 11.
And the height h of the shielding wall 16 is
(See FIG. 5). The other structure is the same as that of the first embodiment.
4 is desirably provided.
【００１０】以上のように構成された接合面１１，１５
を突き合わすと、雄端子７が雌端子４に嵌合して電気接
続されると共に、保護壁８が溝６に挿入され、遮蔽壁１
６が凹溝１３に挿入される。遮蔽壁１６は、相隣る開口
３，３の間の通路を狭い迂回路にして水を通過し難くす
ると共に、ここを通過しようとする水を水抜き孔１４の
方向に案内するので、端子のショートが防止されると共
に、内部に溜まった水を水抜き孔１４を通して外部に排
出する効果が高まる。The bonding surfaces 11, 15 configured as described above
, The male terminal 7 is fitted to the female terminal 4 to be electrically connected, the protection wall 8 is inserted into the groove 6, and the shielding wall 1 is inserted.
6 is inserted into the groove 13. The shielding wall 16 makes the passage between the adjacent openings 3 and 3 a narrow detour and makes it difficult for water to pass therethrough, and guides the water that is going to pass therethrough in the direction of the drain hole 14. Is prevented, and the effect of discharging the water accumulated inside to the outside through the drain hole 14 is enhanced.
【００１１】凹溝１３の幅ｂ1 に比較して保護壁８の幅
ｂ2 を小さくして、凹溝１３の側壁面と保護壁８の側壁
面の間隔を、毛細管現象が生じない程度に広げておけ
ば、内部に溜まった水が自重により水抜き孔１４に流出
し易くなる。以上の説明では、リレーボックスＡと電子
ユニットＢの接合面の防水構造について述べたが、他の
電気接続箱の接合面にも上記と同様の防水構造を設ける
ことができる。The width b 2 of the protection wall 8 is made smaller than the width b 1 of the groove 13 so that the distance between the side wall surface of the groove 13 and the side wall surface of the protection wall 8 is set to such an extent that the capillary phenomenon does not occur. If it is spread, the water accumulated inside easily flows out to the drain hole 14 by its own weight. In the above description, the waterproof structure of the joint surface between the relay box A and the electronic unit B has been described. However, the same waterproof structure as described above can be provided also on the joint surfaces of the other electric connection boxes.
【００１２】[0012]
【発明の効果】本発明は以上のように構成されているの
で、以下に記載されるような効果を奏する。 （１）開口と開口との間に凹溝が設けられるので、開口
間の距離を長くした場合と同様の効果を生じ、浸入した
水により端子がショートすることが防止される。 （２）凹溝の底面に下方に貫通する水抜き孔を設けた場
合には、端子のショート防止効果が更に高まる。 （３）一方の接合面に凹溝を設け、他方の接合面に、凹
溝に挿入される遮蔽壁を設けた場合には、開口間の通路
を水が流れ難くなるので、端子のショートが生じ難くな
る。この場合も、水抜き孔を設けると水が遮蔽壁によっ
て水抜き孔に案内され、排水効果が高まるので、端子の
ショート防止効果が更に高まる。Since the present invention is configured as described above, it has the following effects. (1) Since the concave groove provided between the opening and the opening, produced similar effects to the case of long distances between the openings, terminals can be prevented from being shorted by water entering. (2) the case of providing the drain hole penetrating beneath the bottom surface of the concave groove further enhances the short circuit prevention effect of the terminal. (3) While a concave groove is provided on the joint surface of the other joint surface, concave
In case of providing the shielding wall which is inserted into the groove, because the passage between the openings becomes difficult water flow, short circuit terminals occurs difficulty kuna
You . Also in this case, when the drainage hole is provided, water is guided to the drainage hole by the shielding wall, and the drainage effect is enhanced, so that the short-circuit prevention effect of the terminal is further enhanced.
【図１】本発明の第一実施例を示すリレーボックスと電
子ユニットの要部斜視図である。FIG. 1 is a perspective view of a main part of a relay box and an electronic unit according to a first embodiment of the present invention.
【図２】本発明の第一実施例を示すリレーボックスの接
合面の平面図である。FIG. 2 is a plan view of a junction surface of the relay box showing the first embodiment of the present invention.
【図３】図２のＸ−Ｘ断面における要部断面図である。FIG. 3 is a cross-sectional view of a main part in the XX cross section of FIG. 2;
【図４】本発明の第二実施例を示すリレーボックスと電
子ユニットの要部斜視図である。FIG. 4 is a perspective view of a main part of a relay box and an electronic unit according to a second embodiment of the present invention.
【図５】図４の要部断面図である。FIG. 5 is a sectional view of a main part of FIG.
【図６】リレーボックスと電子ユニットとの従来の接合
を説明する斜視図である。FIG. 6 is a perspective view illustrating a conventional connection between a relay box and an electronic unit.
【図７】図６の部分拡大図である。FIG. 7 is a partially enlarged view of FIG. 6;
【図８】従来のリレーボックスの接合面周辺の縦断面図
である。FIG. 8 is a vertical cross-sectional view around a joint surface of a conventional relay box.
Ａ リレーボックス Ｂ 電子ユニット ３ 開口 ４ 雌型端子 ６ 溝 ７ 雄型端子 ８ 保護壁 ９，１２ 端子収容室 １１，１５ 接合面 １３ 凹溝 １４ 水抜き孔 １６ 遮蔽壁 Reference Signs List A Relay box B Electronic unit 3 Opening 4 Female terminal 6 Groove 7 Male terminal 8 Protective wall 9, 12 Terminal accommodating chamber 11, 15 Joining surface 13 Concave groove 14 Drain hole 16 Shielding wall
フロントページの続き (58)調査した分野(Int.Cl.7，ＤＢ名) H02G 3/16 Continuation of the front page (58) Field surveyed (Int.Cl. 7 , DB name) H02G 3/16
Claims (2)
収容室の開口が配列して設けられ、該接合面に他方の電
気接続箱の接合面が突き合わされて相互に組み付けられ
たときに、該端子収容室内の端子が電気接続される電気
接続箱の接合面の防水構造において、一方の 電気接続箱の前記接合面に、相隣る開口の間にそ
れぞれ凹溝が設けられ、他方の電気接続箱の前記接合面
に、該凹溝に挿入される遮蔽壁が立設されたことを特徴
とする電気接続箱の接合面の防水構造。1. A provided one arrangement the openings of the plurality of terminal accommodating chambers in the joint surface of the electrical connection box, mutually bonding surface of the other conductive <br/> air connection box to the junction plane is butted when was set viewed with being <br/> two, in the waterproof structure of the joint surface of the electrical connection box in which the terminal accommodating chamber of the terminal is electrically connected to the bonding surface of one of the electrical connection box, Aitonaru opening each groove is provided, the bonding surface of the other of the electric connection box between the
And a shielding wall to be inserted into the groove .
ことを特徴とする請求項１記載の電気接続箱の接合面の
防水構造。2. The waterproof structure for a junction surface of an electric junction box according to claim 1, wherein a drain hole is provided at a bottom of said concave groove .
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP28029197A JP3334104B2 (en) | 1997-10-14 | 1997-10-14 | Waterproof structure of electrical junction box junction |
| DE1998146882 DE19846882B4 (en) | 1997-10-14 | 1998-10-13 | Waterproof connection between pads of two electrical units |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP28029197A JP3334104B2 (en) | 1997-10-14 | 1997-10-14 | Waterproof structure of electrical junction box junction |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH11122752A JPH11122752A (en) | 1999-04-30 |
| JP3334104B2 true JP3334104B2 (en) | 2002-10-15 |
Family
ID=17622946
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP28029197A Expired - Fee Related JP3334104B2 (en) | 1997-10-14 | 1997-10-14 | Waterproof structure of electrical junction box junction |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP3334104B2 (en) |
| DE (1) | DE19846882B4 (en) |
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001244017A (en) * | 2000-02-25 | 2001-09-07 | Yazaki Corp | Coupling structure of connectors |
| JP2001326016A (en) * | 2000-05-17 | 2001-11-22 | Yazaki Corp | Connector coupling structure |
| US7077667B2 (en) | 2003-04-22 | 2006-07-18 | Yazaki Corporation | Electrical junction box |
| JP4374296B2 (en) * | 2004-08-05 | 2009-12-02 | 株式会社オートネットワーク技術研究所 | Electrical junction box |
| JP5474364B2 (en) * | 2009-02-10 | 2014-04-16 | 矢崎総業株式会社 | Electrical junction box |
| NL2018121B1 (en) * | 2017-01-04 | 2018-07-25 | Stertil Bv | Lifting device for lifting a vehicle with integrated motor control, and system and method therefor |
| CN107134678B (en) * | 2017-04-27 | 2019-02-19 | 安徽江淮汽车集团股份有限公司 | A kind of short-circuiting device |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2913038C3 (en) * | 1979-03-31 | 1981-10-29 | Fa. Leopold Kostal, 5880 Lüdenscheid | Housings for electrical multiple connectors |
| JP2988237B2 (en) * | 1994-01-31 | 1999-12-13 | 住友電装株式会社 | Simple waterproof connector |
-
1997
- 1997-10-14 JP JP28029197A patent/JP3334104B2/en not_active Expired - Fee Related
-
1998
- 1998-10-13 DE DE1998146882 patent/DE19846882B4/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH11122752A (en) | 1999-04-30 |
| DE19846882A1 (en) | 1999-07-15 |
| DE19846882B4 (en) | 2004-07-08 |
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