JPH08298157A - Waterproof connector - Google Patents

Waterproof connector

Info

Publication number
JPH08298157A
JPH08298157A JP7129759A JP12975995A JPH08298157A JP H08298157 A JPH08298157 A JP H08298157A JP 7129759 A JP7129759 A JP 7129759A JP 12975995 A JP12975995 A JP 12975995A JP H08298157 A JPH08298157 A JP H08298157A
Authority
JP
Japan
Prior art keywords
tube unit
water
unit
space
electric wire
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
Application number
JP7129759A
Other languages
Japanese (ja)
Other versions
JP3106903B2 (en
Inventor
Yukinori Saka
幸則 阪
Senkichi Tanaka
宣吉 田中
Akito Maekawa
昭人 前川
Kiyobumi Ichida
清文 市田
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sumitomo Wiring Systems Ltd
Original Assignee
Sumitomo Wiring Systems Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Sumitomo Wiring Systems Ltd filed Critical Sumitomo Wiring Systems Ltd
Priority to JP07129759A priority Critical patent/JP3106903B2/en
Publication of JPH08298157A publication Critical patent/JPH08298157A/en
Application granted granted Critical
Publication of JP3106903B2 publication Critical patent/JP3106903B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Landscapes

  • Connector Housings Or Holding Contact Members (AREA)

Abstract

PURPOSE: To constitute a waterproof connector which improves drainage in the periphery of a tube unit, by forming the tube unit of inserting an electric wire to a housing rear end, forming an adjacent space by a wall unit extended sideward from this tube unit, and forming an escape way of water in the wall unit. CONSTITUTION: A plurality of tube units 12 of inserting an electric wire 21 are provided in a rear end of a totally hood-shaped housing 11, to continue an outside surface of each tube unit 12, so as to prevent tilting the tube unit 12. A wall unit 13 is provided so as to surround this tube unit 12, to form a space 13a having a bottom adjacent to the tube unit 12, and a point end of the wall unit 13 is lowered down from an opening of the tube unit 12, to form an escape way of water accumulated in the space 13a. A terminal metal fitting 20 is crimped to be connected to the electric wire 21, inserted through a rubber plug 22 and received in a cavity of the tube unit 12, to form a water-tight surface between the tube unit 12 and the electric wire 21 by the rubber plug 22. In this way, drainage in the periphery of the tube unit 12 is improved, to prevent infiltrating water in the tube unit 12.

Description

【発明の詳細な説明】Detailed Description of the Invention

【0001】[0001]

【産業上の利用分野】本発明は、防水コネクタに関す
る。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a waterproof connector.

【0002】[0002]

【従来の技術】従来、この種の防水コネクタとして、図
9に示すものが知られている。図において防水コネクタ
1はそのコネクタハウジング2の背面側に図示しない各
キャビティと連通する複数の筒体3を有しており、同筒
体3を取り囲むように壁体4が形成されている。壁体4
は樹脂成形時の歪みを小さくするために形成され、前記
筒体3の外側開口と同じ高さとなっている。同壁体4は
同筒体3の外周に連続しており、壁体4と筒体3との間
には底のある空間4aが形成されている。
2. Description of the Related Art Conventionally, as this type of waterproof connector, one shown in FIG. 9 has been known. In the figure, the waterproof connector 1 has a plurality of cylindrical bodies 3 communicating with respective cavities (not shown) on the rear surface side of the connector housing 2, and a wall body 4 is formed so as to surround the cylindrical bodies 3. Wall 4
Is formed in order to reduce distortion during resin molding, and has the same height as the outer opening of the cylindrical body 3. The wall body 4 is continuous with the outer periphery of the cylinder body 3, and a space 4 a having a bottom is formed between the wall body 4 and the cylinder body 3.

【0003】一方、コネクタハウジング2のキャビティ
に挿入される端子金具5には電線5aを圧着してあり、
シール材5bを挿通せしめて筒体3に収容されることに
より、筒体3の内部で電線5aとの隙間をふさいで防水
している。
On the other hand, an electric wire 5a is crimped to the terminal fitting 5 inserted into the cavity of the connector housing 2.
Since the sealing material 5b is inserted and accommodated in the tubular body 3, the gap between the tubular body 3 and the electric wire 5a is covered and waterproofed.

【0004】[0004]

【発明が解決しようとする課題】上述した従来の防水コ
ネクタ1において、脱着を容易とするためにコネクタハ
ウジング2の背面を天に向けて取り付けると、前記空間
4aに水が溜まってしまう。同空間4aに水が溜まると
筒体3開口にも水が侵入し易く、同筒体3の外側開口か
ら露出しているシール材5bが長時間水に浸されてしま
うことになり、水の成分によってはシール材を腐食させ
たり水あかで汚れてしまう。
In the conventional waterproof connector 1 described above, if the rear surface of the connector housing 2 is mounted with the rear side facing upward in order to facilitate the attachment / detachment, water will collect in the space 4a. When water is collected in the space 4a, water easily enters the opening of the cylindrical body 3 and the sealing material 5b exposed from the outer opening of the cylindrical body 3 is soaked in water for a long time. Depending on the components, the sealing material may corrode or become dirty with water.

【0005】本発明は、上記課題に鑑みてなされたもの
で、シール材が収容される筒体開口部分の水はけをよく
することが可能な防水コネクタの提供を目的とする。
The present invention has been made in view of the above problems, and an object of the present invention is to provide a waterproof connector capable of improving drainage of an opening portion of a cylindrical body accommodating a sealing material.

【0006】[0006]

【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に係る発明は、電線を挿通する筒体を後端
に形成したハウジングと、上記筒体から側方に延設され
て筒体に隣接する底のある筒状の空間を形成する壁体
と、上記壁体に形成した水の逃げ道とを具備する構成と
してある。
In order to achieve the above-mentioned object, the invention according to claim 1 is such that a housing having a cylindrical body through which an electric wire is inserted is formed at a rear end, and a housing extending laterally from the cylindrical body. It is configured to include a wall body that forms a cylindrical space having a bottom adjacent to the cylinder body, and a water escape path formed in the wall body.

【0007】また、請求項2に係る発明は、上記請求項
1に記載の防水コネクタにおいて、上記逃げ道は上記壁
体の先端を筒体の外側開口より付け根側にすることによ
り形成した構成としてある。さらに、請求項3に係る発
明は、上記請求項1に記載の防水コネクタにおいて、上
記逃げ道は上記壁体に貫通孔を設けることにより形成し
た構成としてある。そして、請求項4に係る発明は、上
記請求項3に記載の防水コネクタにおいて、上記貫通孔
を上記空間の最下部に形成した構成としてある。
The invention according to claim 2 is the waterproof connector according to claim 1, wherein the escape path is formed by arranging the tip end of the wall body to the base side from the outer opening of the cylindrical body. . Further, the invention according to claim 3 is the waterproof connector according to claim 1, wherein the escape path is formed by providing a through hole in the wall body. The invention according to claim 4 is the waterproof connector according to claim 3, wherein the through hole is formed at the bottom of the space.

【0008】[0008]

【作用】上記のように構成した請求項1に係る発明にお
いては、ハウジング後端には電線を挿通する筒体が形成
されるとともに、この筒体から側方に延設された壁体に
より当該筒体に隣接する底のある筒状の空間が形成され
ているが、この壁体には水の逃げ道を形成してあり、水
は同空間に溜まることなく当該逃げ道から逃げてしま
い、水面が筒体の外側開口に到達することはない。これ
により、筒体開口部分の水はけが良くなる。
In the invention according to claim 1 configured as described above, the tubular body for inserting the electric wire is formed at the rear end of the housing, and the wall body extending laterally from the tubular body is used. A cylindrical space with a bottom adjacent to the cylinder is formed, but this wall has an escape route for water, and the water escapes from the escape route without accumulating in the space and the water surface It does not reach the outer opening of the barrel. As a result, the drainage of the cylindrical opening is improved.

【0009】また、上記のように構成した請求項2に係
る発明においては、筒体の外側開口よりも付け根側に下
げてある壁体の先端に水面が到達した時点で空間に水が
満たされたことになり筒体の外側開口は常に水より上方
に位置することになる。さらに、上記のように構成した
請求項3に係る発明においては、壁体に形成した貫通孔
から水が逃げるため、筒体の外側開口まで水が溜まるこ
とはない。さらに、上記のように構成した請求項4に係
る発明においては、空間の最下部に水の逃げ道が形成さ
れているため、当該空間に水が溜まることはない。
Further, in the invention according to claim 2 configured as described above, the space is filled with water when the water surface reaches the tip of the wall body which is lowered to the base side from the outer opening of the cylindrical body. This means that the outer opening of the cylinder is always located above water. Further, in the invention according to claim 3 configured as described above, since water escapes from the through hole formed in the wall body, water does not collect to the outer opening of the cylindrical body. Further, in the invention according to claim 4 configured as described above, since the escape path of water is formed at the bottom of the space, water does not collect in the space.

【0010】[0010]

【発明の効果】以上説明したように本発明は、シール材
が露出する筒体の外側開口の水はけを良くして水没しに
くくしたため、シール材を腐食しにくく、水あかの発生
を防止することができる。また、請求項2に係る発明に
よれば、壁体の高さを低くするだけなので製造も容易で
ある。さらに、請求項3に係る発明によれば、壁体に貫
通孔を形成するだけなので既存のものも容易に変更でき
る。さらに、請求項4に係る発明によれば、全く水が溜
まらないので、寒冷地で用いても空間に溜まった水が氷
化してコネクタハウジングを破壊する不具合の心配がな
い。
As described above, according to the present invention, since the drainage of the outer opening of the cylindrical body where the sealing material is exposed is improved so that the sealing material is less likely to be submerged, the sealing material is less likely to be corroded and the occurrence of water scale can be prevented. it can. Further, according to the invention of claim 2, the height of the wall body is simply reduced, so that the manufacturing is easy. Further, according to the invention of claim 3, since only the through hole is formed in the wall body, the existing one can be easily changed. Further, according to the invention of claim 4, since no water is accumulated, there is no fear that the water accumulated in the space will be frozen and the connector housing will be destroyed even when used in a cold region.

【0011】[0011]

【実施例】以下、図面に基づいて本発明の実施例を説明
する。図1は、本発明の一実施例に係る雄側の防水コネ
クタを斜視図により示している。この防水コネクタ10
は、全体的にフード状に形成されたハウジング11を備
えており、このハウジング11は端子金具20を収容可
能な図示しないキャビティを備えている。ハウジング1
1の後端には同キャビティに連通する筒体12ととも
に、当該筒体12を取り囲むように壁体13を形成して
ある。筒体12は電線21を圧着接続された端子金具2
0を挿通する開口となり、同端子金具20の後端に電線
21とともに圧着接続されたゴム栓22を挿通せしめて
当該筒体12よりキャビティ内に収容させると、同ゴム
栓22が筒体12と電線21との間に水密面を形成して
防水する。
Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a perspective view showing a male waterproof connector according to an embodiment of the present invention. This waterproof connector 10
Includes a housing 11 formed in a hood shape as a whole, and the housing 11 includes a cavity (not shown) capable of accommodating the terminal fitting 20. Housing 1
At the rear end of 1, there is formed a cylindrical body 12 communicating with the same cavity and a wall body 13 surrounding the cylindrical body 12. The cylindrical body 12 is a terminal fitting 2 to which an electric wire 21 is crimped and connected.
When the rubber plug 22 crimped together with the electric wire 21 is inserted into the rear end of the terminal fitting 20 and is housed in the cavity from the tubular body 12, the rubber plug 22 is inserted into the tubular body 12. A watertight surface is formed between the electric wire 21 and the electric wire 21 for waterproofing.

【0012】壁体13は筒体12を突出して形成するに
あたって隣接する筒体12同士が引き合って傾いてしま
わないように各筒体12の外側面に連続している。従っ
て、筒体12に隣接して底のある筒状の空間13aを形
成している。ここにおいて、この壁体13の先端は同筒
体12の開口よりも下げて形成されている。すなわち、
筒体12の付け根側に下がっているので、ハウジング1
1の後端を上に向けた場合に水がかかっても、図2に示
すように水面は筒体12の開口よりも低い位置となる。
The wall body 13 is continuous with the outer surface of each of the cylinders 12 so that the adjacent cylinders 12 do not attract each other and are inclined when the cylinders 12 are formed to project. Therefore, a cylindrical space 13a having a bottom is formed adjacent to the cylindrical body 12. Here, the tip of the wall body 13 is formed so as to be lower than the opening of the cylindrical body 12. That is,
As it goes down to the base side of the cylinder 12, the housing 1
Even if water is splashed when the rear end of 1 is directed upward, the water surface is at a position lower than the opening of the cylindrical body 12 as shown in FIG.

【0013】本実施例においては、壁体13の先端を筒
体12の開口端よりも付け根側に下げることによって空
間13aに溜まる水面を下げ、係る構造を持って水の逃
げ道としているが、水面を下げるような構造であればよ
い。例えば、図3に示す例では、壁体13の一部にスリ
ットを設けて同スリットの最下部が筒体12の開口端よ
りも付け根側に下がるようにしている。この場合、図4
に示すように空間13a内に水が入ってもスリットが水
の逃げ道になって水面が筒体12の開口よりも下がる。
また、その他の変形例として、図5、図7に示すものが
考えられる。図5に示す変形例においては、壁体13の
先端は筒体12の先端と同じ高さになっているが、同壁
体13には外側面に連通する貫通孔13bを形成し、こ
れを水の逃げ道としている。従って、図6に示すように
空間13a内に水が入っても貫通孔13bまでしか溜ま
らず、結果として水面が筒体12の開口よりも下がる。
In the present embodiment, the water surface accumulated in the space 13a is lowered by lowering the tip of the wall body 13 to the base side of the open end of the cylindrical body 12, and the structure is used as an escape route for the water. Any structure that lowers For example, in the example shown in FIG. 3, a slit is provided in a part of the wall body 13 so that the lowermost portion of the slit is located closer to the base side than the open end of the cylindrical body 12. In this case, FIG.
Even if water enters the space 13a, the slit serves as an escape route for the water and the water surface falls below the opening of the cylindrical body 12, as shown in FIG.
Further, as other modified examples, those shown in FIGS. 5 and 7 can be considered. In the modification shown in FIG. 5, the tip of the wall body 13 is at the same height as the tip of the cylindrical body 12, but the wall body 13 is formed with a through hole 13b communicating with the outer surface. It is used as an escape route for water. Therefore, as shown in FIG. 6, even if water enters the space 13a, it only collects up to the through hole 13b, and as a result, the water surface falls below the opening of the cylindrical body 12.

【0014】また、図7に示す変形例においては、貫通
孔13bの位置を壁体13の下端、すなわち、空間13
aの最下部に形成している。このようにすれば、図8に
示すように空間13a内に水が入っても全て流れ出てし
まい、全く水が溜まらなくなる。空間13a内の水面が
下がれば、隣接する筒体12の開口部分は水はけが良く
なり、同開口部分に保持されるゴム栓22の水はけが良
くなって腐食されることを防止できる。本実施例におい
ては、ゴム栓22が完全防水するようにしているが、簡
易防水する場合においても水はけが良くなれば、防水性
能が向上する。また、必ずしもゴム栓22を使用する防
水構造でなくても、筒体12の開口の水はけを良くして
浸水を防止する効果がある。
In the modification shown in FIG. 7, the position of the through hole 13b is set at the lower end of the wall body 13, that is, the space 13
It is formed at the bottom of a. With this configuration, as shown in FIG. 8, even if water enters the space 13a, all the water flows out and no water is accumulated. When the water surface in the space 13a is lowered, the drainage of the opening of the adjacent cylindrical body 12 is improved, and the drainage of the rubber plug 22 held in the opening can be improved to prevent corrosion. In this embodiment, the rubber plug 22 is completely waterproof, but even in the case of simple waterproofing, if the drainage is improved, the waterproof performance is improved. Further, even if the waterproof structure does not necessarily use the rubber plug 22, it has an effect of improving drainage of the opening of the cylindrical body 12 and preventing water infiltration.

【0015】このように、ハウジング11の後端に筒体
12を形成しつつ、同筒体12を壁体13で取り囲むよ
うにしなければならない場合において、同壁体13に水
の逃げ道を形成することにより、筒体12周辺の水はけ
を良くし、結果として、水による腐食などを防止するこ
とができる。
As described above, when it is necessary to form the tubular body 12 at the rear end of the housing 11 and surround the tubular body 12 with the wall body 13, a water escape path is formed in the wall body 13. As a result, drainage around the cylindrical body 12 is improved, and as a result, corrosion due to water can be prevented.

【図面の簡単な説明】[Brief description of drawings]

【図1】本発明の一実施例に係る雄側の防水コネクタの
斜視図である。
FIG. 1 is a perspective view of a male waterproof connector according to an embodiment of the present invention.

【図2】水はけの効果を示す概略断面図である。FIG. 2 is a schematic cross-sectional view showing the effect of drainage.

【図3】変形例に係る雄側の防水コネクタの斜視図であ
る。
FIG. 3 is a perspective view of a male waterproof connector according to a modification.

【図4】水はけの効果を示す概略断面図である。FIG. 4 is a schematic sectional view showing the effect of drainage.

【図5】変形例に係る雄側の防水コネクタの斜視図であ
る。
FIG. 5 is a perspective view of a male waterproof connector according to a modification.

【図6】水はけの効果を示す概略断面図である。FIG. 6 is a schematic cross-sectional view showing the effect of drainage.

【図7】変形例に係る雄側の防水コネクタの斜視図であ
る。
FIG. 7 is a perspective view of a male waterproof connector according to a modification.

【図8】水はけの効果を示す概略断面図である。FIG. 8 is a schematic cross-sectional view showing the effect of drainage.

【図9】従来の防水コネクタの斜視図である。FIG. 9 is a perspective view of a conventional waterproof connector.

【符号の説明】[Explanation of symbols]

10…防水コネクタ 11…ハウジング 12…筒体 13…壁体 13a…空間 13b…貫通孔 20…端子金具 21…電線 22…ゴム栓 DESCRIPTION OF SYMBOLS 10 ... Waterproof connector 11 ... Housing 12 ... Cylindrical body 13 ... Wall body 13a ... Space 13b ... Through hole 20 ... Terminal metal fitting 21 ... Electric wire 22 ... Rubber plug

───────────────────────────────────────────────────── フロントページの続き (72)発明者 市田 清文 三重県四日市市西末広町1番14号 住友電 装株式会社内 ─────────────────────────────────────────────────── ─── Continuation of front page (72) Inventor Kiyofumi Ichida 1-14 Nishisuehiro-cho, Yokkaichi-shi, Mie Sumitomo Wiring Systems, Ltd.

Claims (4)

【特許請求の範囲】[Claims] 【請求項1】 電線を挿通する筒体を後端に形成したハ
ウジングと、 上記筒体から側方に延設されて筒体に隣接する底のある
筒状の空間を形成する壁体と、 上記壁体に形成した水の逃げ道とを具備することを特徴
とする防水コネクタ。
1. A housing having a tubular body formed at a rear end for inserting an electric wire, and a wall body extending laterally from the tubular body to form a cylindrical space having a bottom adjacent to the tubular body, A waterproof connector comprising: a water escape path formed on the wall.
【請求項2】上記請求項1に記載の防水コネクタにおい
て、上記逃げ道は上記壁体の先端を筒体の外側開口より
付け根側にすることにより形成されることを特徴とする
防水コネクタ。
2. The waterproof connector according to claim 1, wherein the escape passage is formed by setting a tip end of the wall body closer to a base side than an outer opening of the cylindrical body.
【請求項3】上記請求項1に記載の防水コネクタにおい
て、上記逃げ道は上記壁体に貫通孔を設けることにより
形成されることを特徴とする防水コネクタ。
3. The waterproof connector according to claim 1, wherein the escape passage is formed by providing a through hole in the wall body.
【請求項4】上記請求項3に記載の防水コネクタにおい
て、上記貫通孔を上記空間の最下部に形成したことを特
徴とする防水コネクタ。
4. The waterproof connector according to claim 3, wherein the through hole is formed at the bottom of the space.
JP07129759A 1995-04-27 1995-04-27 Waterproof connector Expired - Fee Related JP3106903B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP07129759A JP3106903B2 (en) 1995-04-27 1995-04-27 Waterproof connector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP07129759A JP3106903B2 (en) 1995-04-27 1995-04-27 Waterproof connector

Publications (2)

Publication Number Publication Date
JPH08298157A true JPH08298157A (en) 1996-11-12
JP3106903B2 JP3106903B2 (en) 2000-11-06

Family

ID=15017499

Family Applications (1)

Application Number Title Priority Date Filing Date
JP07129759A Expired - Fee Related JP3106903B2 (en) 1995-04-27 1995-04-27 Waterproof connector

Country Status (1)

Country Link
JP (1) JP3106903B2 (en)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0920082A1 (en) * 1997-11-25 1999-06-02 Sumitomo Wiring Systems, Ltd. Terminal fitting and waterproof connector
EP1187264A2 (en) * 2000-09-04 2002-03-13 Yazaki Corporation Waterproof connector
US7384290B2 (en) 2006-02-22 2008-06-10 Seiko Epson Corporation Connector and recording apparatus having the same
JP2010086806A (en) * 2008-09-30 2010-04-15 Sumitomo Wiring Syst Ltd Connector
JP2013505542A (en) * 2009-09-18 2013-02-14 デルファイ・テクノロジーズ・インコーポレーテッド Electrical terminal connection with molded seal
JP2018041579A (en) * 2016-09-06 2018-03-15 日本圧着端子製造株式会社 connector

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH06339402A (en) * 1993-05-31 1994-12-13 Isao Yoshida Shoe insole

Citations (3)

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Publication number Priority date Publication date Assignee Title
JPS5462087U (en) * 1977-10-11 1979-05-01
JPS56105272U (en) * 1980-01-14 1981-08-17
JPH04315779A (en) * 1991-04-15 1992-11-06 Fujikura Ltd Waterproof connector

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5462087U (en) * 1977-10-11 1979-05-01
JPS56105272U (en) * 1980-01-14 1981-08-17
JPH04315779A (en) * 1991-04-15 1992-11-06 Fujikura Ltd Waterproof connector

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0920082A1 (en) * 1997-11-25 1999-06-02 Sumitomo Wiring Systems, Ltd. Terminal fitting and waterproof connector
US6146215A (en) * 1997-11-25 2000-11-14 Sumitomo Wiring Systems, Ltd. Terminal fitting and waterproof connector
EP1187264A2 (en) * 2000-09-04 2002-03-13 Yazaki Corporation Waterproof connector
EP1187264A3 (en) * 2000-09-04 2002-10-30 Yazaki Corporation Waterproof connector
US6589078B2 (en) 2000-09-04 2003-07-08 Yazaki Corporation Waterproof connector
US7384290B2 (en) 2006-02-22 2008-06-10 Seiko Epson Corporation Connector and recording apparatus having the same
JP2010086806A (en) * 2008-09-30 2010-04-15 Sumitomo Wiring Syst Ltd Connector
JP2013505542A (en) * 2009-09-18 2013-02-14 デルファイ・テクノロジーズ・インコーポレーテッド Electrical terminal connection with molded seal
JP2018041579A (en) * 2016-09-06 2018-03-15 日本圧着端子製造株式会社 connector

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