JPH11135189A - Waterproof-type connector - Google Patents
Waterproof-type connectorInfo
- Publication number
- JPH11135189A JPH11135189A JP30968297A JP30968297A JPH11135189A JP H11135189 A JPH11135189 A JP H11135189A JP 30968297 A JP30968297 A JP 30968297A JP 30968297 A JP30968297 A JP 30968297A JP H11135189 A JPH11135189 A JP H11135189A
- Authority
- JP
- Japan
- Prior art keywords
- shell
- ring
- insertion portion
- waterproof
- 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
Landscapes
- Connector Housings Or Holding Contact Members (AREA)
Abstract
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、防水型コネクタに
関し、特に水中機器本体とケーブルとを接続する場合に
好適な防水型コネクタに関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a waterproof connector, and more particularly to a waterproof connector suitable for connecting an underwater equipment main body to a cable.
【０００２】[0002]
【従来の技術】図３は、従来のこの種の防水型コネクタ
の挿入前（分離状態）の断面図、図４は同防水型コネク
タの挿入後（結合状態）の断面図である。図３に示すよ
うに、従来の防水型コネクタは、挿入部Ｍ0 と被挿入部
Ｆ0 と固定手段である袋ナットＮ等により構成されてい
る。2. Description of the Related Art FIG. 3 is a sectional view of a conventional waterproof connector of this type before insertion (separated state), and FIG. 4 is a sectional view of the same waterproof connector after insertion (coupled state). As shown in FIG. 3, a conventional waterproof connector is composed of a cap nut N such a fixing means and the insertion portion M 0 and the inserted part F 0.
【０００３】前記挿入部Ｍ0 は、シルクハット状のシェ
ル１０１と、図示しないメス端子が内蔵されたハウジン
グ１０２と、芯線１０３ａが内蔵されたケーブル１０３
と、該ケーブル１０３とフランジ部１０１ｂとの接続部
を覆うモールド部１０４等を備えている。袋ナットＮ
は、挿入部Ｍ0 と被挿入部Ｆ0 とを固定する。シェル１
０１は円筒部１０１ａと円形のフランジ部１０１ｂとに
より構成され、円筒部１０１ａの外周面には２本のＯリ
ング１０６ａ，１０６ｂがそれぞれ外嵌される２本のＯ
リング溝１０１ｃ，１０１ｄが形成されている。ハウジ
ング１０２は円筒部１０１ａの下端面より下方に突き出
されていて、ハウジング１０２のメス端子（図示せず）
とケーブル１０３の芯線１０３ａとは接続され、芯線１
０３ａの周囲には樹脂１０７が充填されている。モール
ド部１０４のフランジ部１０１ｂとの接触部は、防水用
の接着剤で接着されている。[0003] The insertion portion M 0 includes a hat-shaped shell 101, a housing 102 which female terminals are built (not shown), cable 103 core 103a is built
And a molded portion 104 covering the connection portion between the cable 103 and the flange portion 101b. Cap nut N
Fixes the insertion portion M 0 and the insertion portion F 0 . Shell 1
Reference numeral 01 denotes a cylindrical portion 101a and a circular flange portion 101b, and two O-rings 106a and 106b are fitted on the outer peripheral surface of the cylindrical portion 101a.
Ring grooves 101c and 101d are formed. The housing 102 protrudes downward from the lower end surface of the cylindrical portion 101a, and a female terminal (not shown) of the housing 102 is provided.
Is connected to the core 103a of the cable 103, and the core 1
The resin 107 is filled around 03a. A contact portion of the mold portion 104 with the flange portion 101b is bonded with a waterproof adhesive.
【０００４】前記被挿入部Ｆ0 は筐体１１０の一部に形
成されていて、円筒状に形成された周壁部１１１と、前
記ハウジング１０２のメス端子に挿入されるオス端子１
１２等を備えている。周壁部１１１の内面側には前記シ
ェル１０１が挿入されるシェル挿入部１１１ａが形成さ
れ、前記オス端子１１２は該シェル挿入部１１１ａの底
面側に固定されている。周壁部１１１の外周面には前記
袋ナットＮが螺入される結合用ねじ部１１１ｂが螺設さ
れている。そして、挿入部Ｍ0 を被挿入部Ｆ0 に挿入
し、袋ナットＮを締めつけて固定すると、図４に示すよ
うになる。The inserted portion F 0 is formed in a part of the housing 110, and has a cylindrical peripheral wall portion 111 and a male terminal 1 inserted into a female terminal of the housing 102.
12 and the like. A shell insertion portion 111a into which the shell 101 is inserted is formed on the inner surface side of the peripheral wall portion 111, and the male terminal 112 is fixed to the bottom surface side of the shell insertion portion 111a. On the outer peripheral surface of the peripheral wall portion 111, a coupling screw portion 111b into which the cap nut N is screwed is screwed. Then, the insertion portion M 0 is inserted into the insertion portion F 0, when fixed by tightening the cap nut N, as shown in FIG.
【０００５】この図４に示す状態では、ハウジング１０
２内のメス端子とオス端子１１２が挿入接続されると共
に（図示せず）、シェル挿入部１１１ａの内壁とＯリン
グ１０１ｃ，１０１ｄとが密着され、フランジ部１０１
ｂの下面と周壁部１１１の上端面１１ｃとが密接されて
いる。従って、メス端子とオス端子とが電気的に接続さ
れると共に、この接続部には外部からの水の侵入が防止
され、水密機能が確保される。[0005] In the state shown in FIG.
2 and the male terminal 112 are inserted and connected (not shown), the inner wall of the shell insertion portion 111a and the O-rings 101c and 101d are brought into close contact with each other, and the flange portion 101 is formed.
The lower surface of b is in close contact with the upper end surface 11c of the peripheral wall portion 111. Therefore, the female terminal and the male terminal are electrically connected, and water is prevented from entering the connection portion from the outside, and a watertight function is ensured.
【０００６】[0006]
【発明が解決しょうとする課題】しかしながら、前記図
３，図４に示した従来の防水型コネクタは、シェル１０
１をシェル挿入部１１１ａに挿入する際に、シェル挿入
部１１１ａの内部に残った空気が圧縮されて内圧が上昇
し、ケーブルの芯線１０３ａと充填樹脂１０７との接着
部分およびハウジング１０２の外周面と充填樹脂１０７
との接着部分に剥離が発生し、湿気が滞留する空間が生
じるために、ケーブルの絶縁低下が生じるおそれがあ
る。However, the conventional waterproof connector shown in FIG. 3 and FIG.
1 is inserted into the shell insertion portion 111a, the air remaining inside the shell insertion portion 111a is compressed to increase the internal pressure, and the adhesive portion between the cable core 103a and the filling resin 107 and the outer peripheral surface of the housing 102 Filling resin 107
There is a possibility that separation occurs at a portion where the cable adheres, and a space in which moisture stays is generated, thereby lowering the insulation of the cable.
【０００７】このような現象の生じるおそれがある理由
は、従来の防水型コネクタの水密構造では、シェル挿入
部１１１ａとシェルの円筒部１０１ａとの水密を確保す
るために、２重のＯリング１０１ｃ，１０１ｄを備えた
構造となっているので、シェル挿入部１１１ａの内部で
圧縮された空気の抜け道が無いからである。そこで本発
明の目的は、挿入部を被挿入部に挿入する際における充
填材と内部部品との剥離を防止した防水型コネクタを提
供することである。The reason that such a phenomenon may occur is that in the conventional watertight structure of the waterproof connector, in order to ensure watertightness between the shell insertion portion 111a and the cylindrical portion 101a of the shell, a double O-ring 101c is provided. , 101d, there is no escape path for the compressed air inside the shell insertion portion 111a. SUMMARY OF THE INVENTION It is an object of the present invention to provide a waterproof connector in which a filler is prevented from being separated from an internal component when an insertion section is inserted into an insertion section.
【０００８】[0008]
【課題を解決するための手段】前記課題を解決するため
に請求項１記載の発明は、Ｏリングが外嵌された円筒部
とフランジ部とを有するシェルの該円筒部内にケーブル
とコネクタハウジングとが挿入され、該ケーブルの芯線
とコネクタハウジングとの接続箇所周辺に防水材が充填
されてなる挿入部と、周壁部の内面側に前記挿入部のＯ
リングの外周面が密接挿入されるシェル挿入部を有し、
該シェル挿入部の奥方に前記コネクタハウジングの端子
が接触接続される別の端子を有する被挿入部とを備え、
前記挿入部を被挿入部に挿入した状態で固定部材により
固定するようにした防水型コネクタにおいて、前記シェ
ル挿入部における別の端子側の第１内径を前記挿入部の
Ｏリングの外径に適応させて形成すると共に、該第１内
径より前記挿入部側に近い位置に該第１内径より大径の
第２内径を形成し、前記周壁部における前記フランジ部
との接触面に別のＯリングを配置したことを特徴とす
る。SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, according to the present invention, a cable and a connector housing are provided in a cylindrical portion of a shell having a cylindrical portion on which an O-ring is externally fitted and a flange portion. Is inserted, and a waterproof material is filled around a connection point between the core wire of the cable and the connector housing, and an O of the insertion portion is provided on the inner surface side of the peripheral wall portion.
A shell insertion portion into which the outer peripheral surface of the ring is closely inserted,
An inserted portion having another terminal to which a terminal of the connector housing is contact-connected to the back of the shell insertion portion,
In the waterproof connector in which the insertion portion is inserted into the insertion portion and fixed by a fixing member, a first inner diameter of another terminal side of the shell insertion portion is adapted to an outer diameter of an O-ring of the insertion portion. And a second inner diameter larger than the first inner diameter at a position closer to the insertion portion side than the first inner diameter, and another O-ring is provided on a contact surface of the peripheral wall portion with the flange portion. Are arranged.
【０００９】このようにすれば、例えば図２に示すよう
に、第１内径のシェル挿入部２ａとＯリング１０６ａに
より圧縮される空気は僅かであり、殆どの空気は隙間Ｇ
から外部に逃げるので、充填材（充填樹脂１０７）と内
部部品（ハウジング１０２，芯線１０３ａ等）とに圧力
が加えられず、これら材料，部品間が剥離を起こすこと
がない。In this way, for example, as shown in FIG. 2, the air compressed by the shell insertion portion 2a of the first inner diameter and the O-ring 106a is small, and most of the air is
, The pressure is not applied to the filler (filling resin 107) and the internal components (housing 102, core wire 103a, etc.), and there is no separation between these materials and components.
【００１０】[0010]
【発明の実施の形態】以下、本発明を図示の実施形態例
に基づいて説明する。なお、既に説明した部分には同一
符号を付し、重複記載を省略する。図１に示すように、
本実施形態例の防水型コネクタは、挿入部Ｍと被挿入部
Ｆと袋ナットＮとを備えて構成されている。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below based on an embodiment shown in the drawings. Note that the same reference numerals are given to the already described portions, and redundant description is omitted. As shown in FIG.
The waterproof connector according to the present embodiment includes an insertion portion M, an inserted portion F, and a cap nut N.
【００１１】本実施形態例の挿入部Ｍと従来例の挿入部
Ｍ0 との相違点は、挿入部Ｍにおいてはシェル１の円筒
部１ａの関連部のみである。即ち、本実施形態例では円
筒部１ａには１本のＯリング１０６ａが外嵌されている
のに対し、従来例では２本のＯリングが外嵌されている
点である。また、被挿入部Ｆにおいては、周壁部２に形
成されたシェル挿入部が２段に構成された点と、周壁部
２におけるフランジ部１０１ｂとの接触面側にＯリング
用溝２ｄを形成しＯリング３を配置した点である。即
ち、周壁部２内側のオス端子１１２に近い側には前記Ｏ
リング１０６ａの外径に密接する内径の第１シェル挿入
部２ａが形成され、該第１シェル挿入部２ａに連設して
Ｏリング１０６ａの外径より大きな直径の第２シェル挿
入部２ｂが形成されている。第１シェル挿入部２ａの深
さは、第２シェル挿入部２ｂの深さより浅く形成されて
いる。[0011] The difference between the insertion portion M and conventional insertion portion M 0 of the present embodiment is only relevant portions of the cylindrical portion 1a of the shell 1 in the insertion portion M. That is, in the present embodiment, one O-ring 106a is externally fitted to the cylindrical portion 1a, whereas in the conventional example, two O-rings are externally fitted. In the inserted portion F, an O-ring groove 2d is formed at the point where the shell insertion portion formed on the peripheral wall portion 2 is configured in two stages and on the contact surface side of the peripheral wall portion 2 with the flange portion 101b. This is the point where the O-ring 3 is arranged. That is, on the side near the male terminal 112 inside the peripheral wall portion 2, the O
A first shell insertion portion 2a having an inner diameter closely contacting the outer diameter of the ring 106a is formed, and a second shell insertion portion 2b having a diameter larger than the outer diameter of the O-ring 106a is formed continuously with the first shell insertion portion 2a. Have been. The depth of the first shell insertion part 2a is smaller than the depth of the second shell insertion part 2b.
【００１２】このように構成された挿入部Ｍを被挿入部
Ｆに挿入する際には、図２に示すように、シェル挿入部
内部の大部分の空気は隙間Ｇから外部に逃がされてい
く。更に挿入すると、Ｏリング１０６ａが第１シェル挿
入部２ａに密接されて該第１シェル挿入部２ａ内の空気
を圧縮するが、空気がごく僅かなので内圧は上昇されな
いので、ハウジング１０２，充填樹脂１０７，芯線１０
３ａ等に力が加わらず、これら部材間で剥離を起こすこ
とがない。更に挿入すると、Ｏリング３とフランジ部１
０１ｂとが接触され、袋ナットＮの締付によりこの接触
部分の水密が確保される。従って、内部のオス端子とメ
ス端子とに対しては外部の水分の侵入が防止され、且つ
従来例のような部材間の剥離が生じないので湿気の滞留
が防止され、電気的絶縁を確保することができる。When the insertion portion M thus configured is inserted into the insertion portion F, most of the air inside the shell insertion portion is released from the gap G to the outside as shown in FIG. Go. When further inserted, the O-ring 106a is brought into close contact with the first shell insertion portion 2a and compresses the air in the first shell insertion portion 2a. However, since the air is very small, the internal pressure is not increased. , Core wire 10
No force is applied to 3a or the like, and no separation occurs between these members. When further inserted, O-ring 3 and flange 1
01b is contacted, and the tightness of the cap nut N ensures watertightness of this contact portion. Therefore, the intrusion of external moisture into the internal male terminal and female terminal is prevented, and since there is no separation between the members as in the conventional example, the retention of moisture is prevented and electrical insulation is secured. be able to.
【００１３】なお、本実施形態例ではシェルの円筒部に
外嵌したＯリングを１個としたが、２個以上にしてもよ
い。但し、外嵌ピッチを狭くして空気の逃げ道を確保す
る必要がある。また、被挿入部の周壁部上面に配置した
Ｏリングを１個としたが、水密効果を更に向上させるた
めにＯリングを同心円状に２個以上配置してもよい。In this embodiment, one O-ring is externally fitted to the cylindrical portion of the shell. However, two or more O-rings may be provided. However, it is necessary to narrow the outer fitting pitch to secure an escape route for air. Although one O-ring is arranged on the upper surface of the peripheral wall of the inserted portion, two or more O-rings may be arranged concentrically to further improve the watertightness.
【００１４】[0014]
【発明の効果】以上説明したように本発明によれば、シ
ェルに外嵌されたＯリングが密着されるシェル挿入部の
深さを短くすると共に挿入時における空気の逃げ道を設
けているので、該Ｏリングをシェル挿入部に挿入しても
内部の空気圧が上昇することがなく、充填材，内部部品
間の剥離現象を起こすことがない。As described above, according to the present invention, the depth of the shell insertion portion where the O-ring externally fitted to the shell is in close contact with the shell is reduced, and the air escape path at the time of insertion is provided. Even when the O-ring is inserted into the shell insertion portion, the internal air pressure does not increase, and the separation phenomenon between the filler and the internal components does not occur.
【図１】本発明の実施形態例の挿入前（分離状態）にお
ける断面図である。FIG. 1 is a cross-sectional view of an embodiment of the present invention before insertion (separated state).
【図２】同実施形態例の挿入後（結合状態）における断
面図である。FIG. 2 is a cross-sectional view of the embodiment after insertion (in a coupled state).
【図３】従来例の挿入前（分離状態）における断面図で
ある。FIG. 3 is a cross-sectional view of a conventional example before insertion (separated state).
【図４】従来例の挿入後（結合状態）における断面図で
ある。FIG. 4 is a cross-sectional view of a conventional example after insertion (in a coupled state).
Ｆ 被挿入部 Ｍ 挿入部 Ｎ 袋ナット（固定手段） １ シェル １ａ シェルの円筒部 ２ 周壁部 ２ａ 第１シェル挿入部（第１内径のシェル挿入部） ２ｂ 第２シェル挿入部（第２内径のシェル挿入部） ２ｃ Ｏリング用溝 ３ Ｏリング（別のＯリング） １０１ｂ フランジ部 １０２ ハウジング １０３ ケーブル １０３ａ 芯線 １０４ モールド部 １０６ａ Ｏリング １０７ 充填樹脂（防水材） １１０ コネクタ １１２ オス端子（別の端子） F Inserted part M Inserted part N Cap nut (fixing means) 1 Shell 1a Cylindrical part of shell 2 Peripheral wall part 2a First shell inserted part (shell inserted part of first inner diameter) 2b Second shell inserted part (second inner diameter of shell) Shell insertion part) 2c O-ring groove 3 O-ring (another O-ring) 101b Flange part 102 Housing 103 Cable 103a Core wire 104 Mold part 106a O-ring 107 Filling resin (waterproofing material) 110 Connector 112 Male terminal (another terminal)
Claims (3)
部とを有するシェルの該円筒部内にケーブルとコネクタ
ハウジングとが挿入され、該ケーブルの芯線とコネクタ
ハウジングとの接続箇所周辺に防水材が充填されてなる
挿入部と、 周壁部の内面側に前記挿入部のＯリングの外周面が密接
挿入されるシェル挿入部を有し、該シェル挿入部の奥方
に前記コネクタハウジングの端子が接触接続される別の
端子を有する被挿入部とを備え、 前記挿入部を被挿入部に挿入した状態で固定部材により
固定するようにした防水型コネクタにおいて、 前記シェル挿入部における別の端子側の第１内径を前記
挿入部のＯリングの外径に適応させて形成すると共に、
該第１内径より前記挿入部側に近い位置に該第１内径よ
り大径の第２内径を形成し、前記周壁部における前記フ
ランジ部との接触面に別のＯリングを配置したことを特
徴とする防水型コネクタ。A cable and a connector housing are inserted into the cylindrical portion of a shell having a cylindrical portion and a flange portion on which an O-ring is externally fitted, and a waterproof material is provided around a connection between the core wire of the cable and the connector housing. And a shell insertion portion on the inner surface side of the peripheral wall portion into which the outer peripheral surface of the O-ring of the insertion portion is closely inserted, and the terminal of the connector housing is in contact with the inner side of the shell insertion portion. An inserted portion having another terminal to be connected, wherein the inserted portion is inserted into the inserted portion and is fixed by a fixing member. The first inner diameter is formed in accordance with the outer diameter of the O-ring of the insertion portion,
A second inner diameter larger than the first inner diameter is formed at a position closer to the insertion portion side than the first inner diameter, and another O-ring is arranged on a contact surface of the peripheral wall portion with the flange portion. Waterproof connector.
グを１個としたことを特徴とする請求項１記載の防水型
コネクタ。2. The waterproof connector according to claim 1, wherein one O-ring is externally fitted to the cylindrical portion of the shell.
面に複数のＯリングを同心円状に配置したことを特徴と
する請求項１または請求項２記載の防水型コネクタ。3. The waterproof connector according to claim 1, wherein a plurality of O-rings are concentrically arranged on a contact surface of the peripheral wall with the flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9309682A JP3031461B2 (en) | 1997-10-24 | 1997-10-24 | Waterproof connector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9309682A JP3031461B2 (en) | 1997-10-24 | 1997-10-24 | Waterproof connector |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH11135189A true JPH11135189A (en) | 1999-05-21 |
| JP3031461B2 JP3031461B2 (en) | 2000-04-10 |
Family
ID=17996018
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9309682A Expired - Lifetime JP3031461B2 (en) | 1997-10-24 | 1997-10-24 | Waterproof connector |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3031461B2 (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002367716A (en) * | 2001-06-04 | 2002-12-20 | Sumitomo Wiring Syst Ltd | Waterproof connector |
| JP2009021125A (en) * | 2007-07-12 | 2009-01-29 | Nec Corp | Connector device, connector, and electric apparatus |
| JP2009545109A (en) * | 2006-07-26 | 2009-12-17 | アイティーティー マニュファクチュアリング エンタープライズィズ インコーポレイテッド | Cable connector connected to submersible pump |
| EP2645835A2 (en) | 2012-03-28 | 2013-10-02 | JVC Kenwood Corporation | Electronic apparatus and fixing structure |
| WO2018051988A1 (en) * | 2016-09-16 | 2018-03-22 | 日本電産株式会社 | Motor |
| CN113067076A (en) * | 2021-03-26 | 2021-07-02 | 美钻能源科技(上海)有限公司 | Battery seal structure and multipurpose walking stick under water |
| KR20220138101A (en) * | 2021-04-05 | 2022-10-12 | (주) 에이에이티 | Cable connector for underwater and manufacturing method thereof |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3311655A1 (en) | 2014-01-24 | 2018-04-25 | Fujitsu Limited | Plant cultivation apparatus |
-
1997
- 1997-10-24 JP JP9309682A patent/JP3031461B2/en not_active Expired - Lifetime
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002367716A (en) * | 2001-06-04 | 2002-12-20 | Sumitomo Wiring Syst Ltd | Waterproof connector |
| JP2009545109A (en) * | 2006-07-26 | 2009-12-17 | アイティーティー マニュファクチュアリング エンタープライズィズ インコーポレイテッド | Cable connector connected to submersible pump |
| JP2009021125A (en) * | 2007-07-12 | 2009-01-29 | Nec Corp | Connector device, connector, and electric apparatus |
| EP2645835A2 (en) | 2012-03-28 | 2013-10-02 | JVC Kenwood Corporation | Electronic apparatus and fixing structure |
| US8917525B2 (en) | 2012-03-28 | 2014-12-23 | JVC Kenwood Corporation | Electronic apparatus and fixing structure |
| WO2018051988A1 (en) * | 2016-09-16 | 2018-03-22 | 日本電産株式会社 | Motor |
| CN109716628A (en) * | 2016-09-16 | 2019-05-03 | 日本电产株式会社 | Motor |
| CN113067076A (en) * | 2021-03-26 | 2021-07-02 | 美钻能源科技(上海)有限公司 | Battery seal structure and multipurpose walking stick under water |
| CN113067076B (en) * | 2021-03-26 | 2022-12-09 | 美钻能源科技(上海)有限公司 | Battery seal structure and multipurpose walking stick under water |
| KR20220138101A (en) * | 2021-04-05 | 2022-10-12 | (주) 에이에이티 | Cable connector for underwater and manufacturing method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| JP3031461B2 (en) | 2000-04-10 |
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