JP5072781B2 - connector - Google Patents

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Publication number
JP5072781B2
JP5072781B2 JP2008227410A JP2008227410A JP5072781B2 JP 5072781 B2 JP5072781 B2 JP 5072781B2 JP 2008227410 A JP2008227410 A JP 2008227410A JP 2008227410 A JP2008227410 A JP 2008227410A JP 5072781 B2 JP5072781 B2 JP 5072781B2
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JP
Japan
Prior art keywords
connector
hood
connector housing
pipe
connecting portion
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Expired - Fee Related
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JP2008227410A
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Japanese (ja)
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JP2010062035A (en
Inventor
耕至 篠田
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Ibiden Co Ltd
Sumitomo Wiring Systems Ltd
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Ibiden Co Ltd
Sumitomo Wiring Systems Ltd
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Application filed by Ibiden Co Ltd, Sumitomo Wiring Systems Ltd filed Critical Ibiden Co Ltd
Priority to JP2008227410A priority Critical patent/JP5072781B2/en
Priority to PCT/JP2009/065389 priority patent/WO2010027009A1/en
Publication of JP2010062035A publication Critical patent/JP2010062035A/en
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Publication of JP5072781B2 publication Critical patent/JP5072781B2/en
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    • 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
    • H01R13/005—Electrical coupling combined with fluidic coupling
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L25/00—Constructive types of pipe joints not provided for in groups F16L13/00 - F16L23/00 ; Details of pipe joints not otherwise provided for, e.g. electrically conducting or insulating means
    • F16L25/01—Constructive types of pipe joints not provided for in groups F16L13/00 - F16L23/00 ; Details of pipe joints not otherwise provided for, e.g. electrically conducting or insulating means specially adapted for realising electrical conduction between the two pipe ends of the joint or between parts thereof
    • 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
    • H01R13/02—Contact members
    • H01R13/10—Sockets for co-operation with pins or blades
    • H01R13/11—Resilient sockets
    • 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
    • H01R13/5202—Sealing means between parts of housing or between housing part and a wall, e.g. sealing rings
    • 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
    • H01R13/5205—Sealing means between cable and housing, e.g. grommet
    • 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
    • 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
    • H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
    • H01R13/62933—Comprising exclusively pivoting lever
    • H01R13/62955—Pivoting lever comprising supplementary/additional locking means
    • 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
    • H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
    • H01R13/62933—Comprising exclusively pivoting lever
    • H01R13/62966—Comprising two pivoting levers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N11/00—Monitoring or diagnostic devices for exhaust-gas treatment apparatus, e.g. for catalytic activity
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N13/00—Exhaust or silencing apparatus characterised by constructional features ; Exhaust or silencing apparatus, or parts thereof, having pertinent characteristics not provided for in, or of interest apart from, groups F01N1/00 - F01N5/00, F01N9/00, F01N11/00
    • F01N13/008—Mounting or arrangement of exhaust sensors in or on exhaust apparatus
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01N—GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL COMBUSTION ENGINES
    • F01N2560/00—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics
    • F01N2560/02—Exhaust systems with means for detecting or measuring exhaust gas components or characteristics the means being an exhaust gas sensor
    • 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
    • H01R13/73—Means for mounting coupling parts to apparatus or structures, e.g. to a wall
    • H01R13/74—Means for mounting coupling parts in openings of a panel
    • H01R13/748—Means for mounting coupling parts in openings of a panel using one or more screws
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R2201/00—Connectors or connections adapted for particular applications
    • H01R2201/26—Connectors or connections adapted for particular applications for vehicles

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Connector Housings Or Holding Contact Members (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)

Description

本発明は、コネクタ接続部とパイプ接続部とを一体に組み付けてなるコネクタに関する。   The present invention relates to a connector formed by integrally assembling a connector connecting portion and a pipe connecting portion.

従来より、自動車の排気管に取り付けられて、排気ガス中の一酸化炭素や窒素酸化物などの含有量を測定するセンサが知られている（例えば特許文献１）。このセンサは、排気管に取り付けられる金属製のケースを有し、ケースから引き出されたリード線はコネクタを介してセンサ駆動装置に接続される。
特開２００８−３０７６公報 特開２００１−２１０４２３公報 Conventionally, a sensor that is attached to an exhaust pipe of an automobile and measures the content of carbon monoxide, nitrogen oxide, or the like in the exhaust gas is known (for example, Patent Document 1). This sensor has a metal case attached to an exhaust pipe, and a lead wire drawn from the case is connected to a sensor driving device via a connector.
JP 2008-3076 A JP 2001-210423 A

ところで、上記のようなコネクタを接続するコネクタ接続部と、排気管のようなパイプ部材を接続するパイプ接続部とを一体に組み付けてなるコネクタの開発が要望されている。そのようなコネクタの一例として、例えば特許文献２に記載のものが知られている。
このコネクタは、コネクタの嵌合に伴って互いに接続するコネクタ接続部とパイプ接続部とを有し、パイプ接続部は、コネクタ接続部から側方へ突出して設けられたパイプ保持部に保持され、比較的大型であるという問題がある。 Incidentally, there is a demand for the development of a connector in which a connector connecting portion for connecting a connector as described above and a pipe connecting portion for connecting a pipe member such as an exhaust pipe are assembled together. As an example of such a connector, for example, the one described in Patent Document 2 is known.
This connector has a connector connecting portion and a pipe connecting portion that are connected to each other in accordance with the fitting of the connector, and the pipe connecting portion is held by a pipe holding portion that protrudes laterally from the connector connecting portion, There is a problem that it is relatively large.

そこで、パイプ接続部とコネクタ接続部とをメインフードの内側に設けて、コネクタをコンパクトにしたいという要望がある。しかし、パイプ接続部とコネクタ接続部とを一括してメインフードで囲う場合には、パイプ接続部からの気体の漏れを確実に防止することが必要である。なぜなら、例えばコネクタを排気管に接続したときに、メインフードの内側にパイプ接続部から漏れた排気ガスが滞留すると、水と反応して硫酸や硝酸が発生し、コネクタ接続部を傷めるおそれがあるからである。このため、パイプ接続部とコネクタ接続部との間に、それぞれシール部材を備える必要がある。しかし、パイプ接続部とコネクタ接続部とにそれぞれシール部材を装着すると、コネクタを嵌合させる際、シール部材の弾性収縮に伴って大きな嵌合抵抗が生じ、コネクタの嵌合操作が容易でなくなるおそれがある。   Therefore, there is a demand to make the connector compact by providing the pipe connecting portion and the connector connecting portion inside the main hood. However, when the pipe connection portion and the connector connection portion are collectively surrounded by the main hood, it is necessary to reliably prevent gas leakage from the pipe connection portion. This is because, for example, when the connector is connected to the exhaust pipe, if exhaust gas leaked from the pipe connection portion stays inside the main hood, it reacts with water to generate sulfuric acid or nitric acid, which may damage the connector connection portion. Because. For this reason, it is necessary to provide a sealing member between the pipe connection portion and the connector connection portion. However, if a seal member is attached to each of the pipe connection portion and the connector connection portion, when the connector is fitted, a large fitting resistance is generated due to the elastic contraction of the seal member, and the connector fitting operation may not be easy. There is.

本発明は上記のような事情に基づいて完成されたものであって、コネクタ接続部とパイプ接続部とを一体に組み付けてなるコネクタにおいて、コンパクトで、かつ嵌合操作が容易なコネクタを提供することを目的とする。   The present invention has been completed based on the above circumstances, and provides a connector that is compact and easy to fit in a connector in which a connector connecting portion and a pipe connecting portion are assembled together. For the purpose.

本発明は、メインフードを有する第１コネクタハウジングと、前記メインフードに内嵌する第２コネクタハウジングと、前記第１コネクタハウジングおよび第２コネクタハウジングに設けられて、前記メインフード内において互いに接続する一対のパイプ接続部および一対のコネクタ接続部と、前記一対のパイプ接続部の間をシールするパイプシール部材と、前記一対のコネクタ接続部の間をシールするコネクタシール部材と、前記第１コネクタハウジングおよび第２コネクタハウジングの一方に設けられたカムピンと他方に設けられたカム溝とのカム作用により前記第１コネクタハウジングと前記第２コネクタハウジングとを引き寄せて嵌合させるレバーとを備えることに特徴を有する。   The present invention provides a first connector housing having a main hood, a second connector housing fitted in the main hood, the first connector housing and the second connector housing, and connected to each other in the main hood. A pair of pipe connection portions and a pair of connector connection portions; a pipe seal member that seals between the pair of pipe connection portions; a connector seal member that seals between the pair of connector connection portions; and the first connector housing And a lever for pulling and fitting the first connector housing and the second connector housing by a cam action of a cam pin provided on one side of the second connector housing and a cam groove provided on the other side. Have

このような構成によれば、パイプ接続部とコネクタ接続部とをメインフード内に設けたから、コネクタをコンパクトにすることができる。そして、パイプ接続部の間とコネクタ接続部の間とは、それぞれパイプシール部材とコネクタシール部材とによりシールされているから、一対のパイプ接続部の間から排気ガス等の気体が漏れてコネクタ接続部に悪影響を及ぼすことを防止することができる。また、レバーを操作することにより、第１コネクタハウジングと第２コネクタハウジングとが引き寄せられて嵌合するから、パイプシール部材とコネクタシール部材とを備えた場合であっても、コネクタを容易に嵌合することができる。すなわち、本発明の構成によれば、コネクタ接続部とパイプ接続部とを一体に組み付けてなるコネクタにおいて、コンパクトで、かつ嵌合操作が容易なコネクタとすることができる。   According to such a configuration, since the pipe connecting portion and the connector connecting portion are provided in the main hood, the connector can be made compact. And between the pipe connection part and between the connector connection part are sealed by the pipe seal member and the connector seal member, respectively, so that gas such as exhaust gas leaks from between the pair of pipe connection parts, and the connector connection. It is possible to prevent adverse effects on the part. Further, by operating the lever, the first connector housing and the second connector housing are attracted and fitted so that the connector can be easily fitted even when the pipe seal member and the connector seal member are provided. Can be combined. That is, according to the configuration of the present invention, a connector in which the connector connecting portion and the pipe connecting portion are assembled together can be a compact connector that can be easily fitted.

前記第１コネクタハウジングと前記第２コネクタハウジングとが嵌合する際の、前記パイプシール部材の弾性収縮と前記コネクタシール部材の弾性収縮とに起因する嵌合抵抗の発生時期が異なるものとしてもよい。
このような構成によれば、パイプシール部材およびコネクタシール部材の弾性収縮に起因する嵌合抵抗の発生時期が分散されるので、それらが同時に発生する場合に比べて、コネクタを容易に嵌合することができる。 When the first connector housing and the second connector housing are fitted to each other, the generation timing of the fitting resistance due to the elastic contraction of the pipe seal member and the elastic contraction of the connector seal member may be different. .
According to such a configuration, since the generation time of the fitting resistance due to the elastic contraction of the pipe seal member and the connector seal member is dispersed, the connector can be easily fitted compared to the case where they occur simultaneously. be able to.

前記第２コネクタハウジングは、前記コネクタ接続部および前記パイプ接続部を囲うとともに前記メインフード内に嵌合する第２メインフードを有し、また前記一対のコネクタ接続部は、一方のコネクタ接続部がサブフードを有して他方のコネクタ接続部が前記サブフード内に嵌合するものとされ、前記一方のコネクタ接続部を前記第２コネクタハウジングに設け、前記サブフードの一部分を前記第２メインフードの一部分と共用してもよい。これにより、コネクタをさらにコンパクトにすることができる。   The second connector housing includes a second main hood that surrounds the connector connecting portion and the pipe connecting portion and fits in the main hood, and the pair of connector connecting portions includes one connector connecting portion. It has a sub hood, and the other connector connecting portion is fitted into the sub hood, the one connector connecting portion is provided in the second connector housing, and a part of the sub hood is a part of the second main hood. May be shared. Thereby, a connector can be made further compact.

本発明によれば、コネクタ接続部とパイプ接続部とを一体に組み付けてなるコネクタにおいて、コンパクトで、かつ嵌合操作が容易なコネクタを提供することができる。   ADVANTAGE OF THE INVENTION According to this invention, in the connector formed by integrating a connector connection part and a pipe connection part, a compact and easy fitting operation can be provided.

以下、本発明の実施形態を図１〜図１４によって説明する。
本実施形態におけるコネクタＣは、互いに嵌合可能な第１コネクタハウジング１０および第２コネクタハウジング５０を備えている。第１コネクタハウジング１０は、第１フード１１（本発明のメインフードに該当する）を有しており、第２コネクタハウジング５０は、第１フード１１の内側に嵌合するものである。 Hereinafter, an embodiment of the present invention will be described with reference to FIGS.
The connector C in this embodiment includes a first connector housing 10 and a second connector housing 50 that can be fitted to each other. The first connector housing 10 has a first hood 11 (corresponding to the main hood of the present invention), and the second connector housing 50 is fitted inside the first hood 11.

第１コネクタハウジング１０および第２コネクタハウジング５０は、第１フード１１内において互いに接続する一対のコネクタ接続部（第１コネクタ接続部１０Ｃおよび第２コネクタ接続部５０Ｃ）と、一対のパイプ接続部（第１パイプ接続部１０Ｐおよび第２パイプ接続部５０Ｐ）とを備えている。以下、各構成部材において、両コネクタハウジング１０，５０における嵌合面側をそれぞれ前方とし、また、図１の上側を上方、下側を下方、左側を左方、右側を右方として説明する。   The first connector housing 10 and the second connector housing 50 include a pair of connector connecting portions (first connector connecting portion 10C and second connector connecting portion 50C) that are connected to each other in the first hood 11, and a pair of pipe connecting portions ( 1st pipe connection part 10P and 2nd pipe connection part 50P). Hereinafter, in each component member, the fitting surface side of both connector housings 10 and 50 will be described as the front, the upper side in FIG. 1 will be the upper side, the lower side the lower side, the left side the left side, and the right side the right side.

第１コネクタハウジング１０は、合成樹脂製（１２０度の耐熱性を有する耐熱性樹脂）であって、第１フード１１は、図２に示すように、略正方形状の筒状をなして前方に開口している。第１フード１１の両外側面には、後述するレバー４１を組み付けるための一対の軸突部１２が設けられている（図４参照）。また、第１フード１１の両側壁には、第２コネクタハウジング５０に設けられたカムピン５２の通過を許容する切欠き部１３が形成されている。   The first connector housing 10 is made of a synthetic resin (heat-resistant resin having a heat resistance of 120 degrees), and the first hood 11 is formed in a substantially square cylindrical shape in the front as shown in FIG. It is open. A pair of shaft projections 12 for assembling a lever 41 described later is provided on both outer side surfaces of the first hood 11 (see FIG. 4). Further, on both side walls of the first hood 11, notches 13 that allow the cam pins 52 provided in the second connector housing 50 to pass are formed.

第１コネクタハウジング１０は、第１コネクタ接続部１０Ｃを有している。第１コネクタ接続部１０Ｃは、第１コネクタハウジング１０の下側の略半部分に設けられている。
第１コネクタ接続部１０Ｃは、第１フード１１の奥壁１４と一体に形成された端子収容部１５を備えている。端子収容部１５は、後述する第２コネクタ接続部５０Ｃのサブフード５４内に嵌合可能な横長断面の柱状をなし、奥壁１４の前方および後方に突出している。この端子収容部１５内には、第１端子２０を後方から挿入可能な４つのキャビティ１６が、２つずつ２段にわけて前後方向に貫通して形成されている。各キャビティ１６の側面には、第１端子２０を一次係止するランス１６Ａが、前方に向かって片持ち状に延出されている（図２および図３参照）。 The first connector housing 10 has a first connector connection portion 10C. The first connector connection portion 10 </ b> C is provided in a substantially half portion on the lower side of the first connector housing 10.
The first connector connecting portion 10 </ b> C includes a terminal accommodating portion 15 formed integrally with the back wall 14 of the first hood 11. The terminal accommodating portion 15 has a columnar shape with a horizontally long cross-section that can be fitted in a sub hood 54 of a second connector connecting portion 50C described later, and protrudes forward and rearward of the back wall 14. In this terminal accommodating portion 15, four cavities 16 into which the first terminals 20 can be inserted from the rear are formed in two stages, penetrating in the front-rear direction. On the side surface of each cavity 16, a lance 16 </ b> A that primarily locks the first terminal 20 extends in a cantilevered manner toward the front (see FIGS. 2 and 3).

端子収容部１５の前面側には、フロントタイプのリテーナ１７が装着されている。このリテーナ１７は、ランス１６Ａの撓み変形を規制するとともに、後述するシールリング１８の抜け止めを兼ねるものである。このリテーナ１７は耐熱性樹脂よりなり、端子収容部１５に対して前方から装着可能なキャップ状に形成されている。リテーナ１７には、各キャビティ１６と対応した位置ごとに、第２端子６０のタブ６１の挿入を許容するタブ挿入口１７Ａが開口されている。
第１コネクタ接続部１０Ｃの前端位置（端子収容部１５に装着されリテーナ１７の前面位置）は、図５に示すように、第１フード１１の前端位置よりも後方に配されている。 A front type retainer 17 is mounted on the front surface side of the terminal accommodating portion 15. The retainer 17 regulates the bending deformation of the lance 16A and also serves to prevent a seal ring 18 that will be described later from coming off. The retainer 17 is made of a heat resistant resin, and is formed in a cap shape that can be attached to the terminal accommodating portion 15 from the front. The retainer 17 has tab insertion openings 17 </ b> A that allow the tabs 61 of the second terminals 60 to be inserted at positions corresponding to the cavities 16.
As shown in FIG. 5, the front end position of the first connector connection portion 10 </ b> C (the front surface position of the retainer 17 attached to the terminal accommodating portion 15) is arranged behind the front end position of the first hood 11.

第１コネクタ接続部１０Ｃに保持される第１端子２０は、所定形状に打ち抜いた金属板を曲げ加工することで形成され、その前端部には第２端子６０のタブ６１が挿入接続される略箱型の端子接続部２１を有している。端子接続部２１の内部には、弾性的にタブ６１を挟持する弾性接触片２２が設けられ、弾性接触片２２は、端子接続部２１の前端から後側へ向かってなだらかな山形をなして片持ち状に延出し、その頂上にはタブ６１に接触する接点部２２Ａが突出して設けられている。   The first terminal 20 held by the first connector connection portion 10C is formed by bending a metal plate punched into a predetermined shape, and the tab 61 of the second terminal 60 is inserted and connected to the front end portion thereof. It has a box-shaped terminal connection portion 21. An elastic contact piece 22 that elastically holds the tab 61 is provided inside the terminal connection portion 21, and the elastic contact piece 22 is a piece having a gentle mountain shape from the front end to the rear side of the terminal connection portion 21. A contact portion 22 </ b> A that extends in a holding shape and contacts the tab 61 protrudes from the top.

第１端子２０は、後端にバレル部２３を備え、このバレル部２３は、各電線Ｗの端末部に装着されたゴム栓２４に圧着している。ゴム栓２４は、その内周面と外周面とに複数条のリップ２４Ａを有し、各キャビティ１６のうち第１フード１１の奥壁１４から後方に突出した部分に収容され、電線Ｗとキャビティ１６の周面とに弾性的に密着して、各キャビティ１６を個別にシールしている。   The first terminal 20 includes a barrel portion 23 at the rear end, and the barrel portion 23 is pressure-bonded to a rubber plug 24 attached to a terminal portion of each electric wire W. The rubber plug 24 has a plurality of lips 24 </ b> A on the inner peripheral surface and the outer peripheral surface thereof, and is accommodated in a portion of each cavity 16 protruding rearward from the rear wall 14 of the first hood 11. The respective cavities 16 are individually sealed by being in close contact with the peripheral surface of the 16.

第１コネクタ接続部１０Ｃには、第１コネクタ接続部１０Ｃと第２コネクタ接続部５０Ｃとの間に挟み付けられることで、両コネクタ接続部１０Ｃ，５０Ｃ間をシールするシールリング１８（本発明のコネクタシール部材に該当する）が備えられている。シールリング１８は、端子収容部１５の外周面における第１フード１１の奥壁１４の前面からリテーナ１７の後側までの部分に嵌着している。   The first connector connecting portion 10C is sandwiched between the first connector connecting portion 10C and the second connector connecting portion 50C, thereby sealing the two connector connecting portions 10C and 50C. Corresponding to a connector seal member). The seal ring 18 is fitted to a portion from the front surface of the back wall 14 of the first hood 11 to the rear side of the retainer 17 on the outer peripheral surface of the terminal accommodating portion 15.

シールリング１８は、耐熱性に優れた弾性部材（例えばゴム）により形成され、全体として前後に開口した角筒状をなし、その内周面および外周面には、防水効果を良好にする複数条のリップ１８Ａが設けられている。また、シールリング１８の後端には、外周面に設けられたリップ１８Ａよりも外側に突出する耳部１８Ｂが設けられ、耳部１８Ｂは、第１フード１１の奥壁１４と第２コネクタ接続部５０Ｃの前端との間で前後方向に挟み付けられる。   The seal ring 18 is formed of an elastic member (for example, rubber) having excellent heat resistance, and has a rectangular tube shape that is open front and rear as a whole, and a plurality of strips that provide a waterproof effect on the inner and outer peripheral surfaces thereof. The lip 18A is provided. In addition, the rear end of the seal ring 18 is provided with an ear portion 18B protruding outward from the lip 18A provided on the outer peripheral surface. The ear portion 18B is connected to the rear wall 14 of the first hood 11 and the second connector. It is sandwiched between the front end of the portion 50C in the front-rear direction.

第１コネクタハウジング１０は、第１パイプ接続部１０Ｐを有している。第１パイプ接続部１０Ｐは、第１コネクタハウジング１０のうち上側の略半部分に設けられている。
第１パイプ接続部１０Ｐは金属製であって、全体として前後方向に長い略円筒状をなし、第１コネクタハウジング１０の幅方向に３本が並列して設けられている。第１パイプ接続部１０Ｐは、それぞれ第１フード１１の奥壁１４を前後方向に貫く姿勢で、インサート成形により第１コネクタハウジング１０に一体に設けられている。 The first connector housing 10 has a first pipe connection portion 10P. The first pipe connection portion 10 </ b> P is provided in the upper half of the first connector housing 10.
The first pipe connection portion 10 </ b> P is made of metal, has a substantially cylindrical shape that is long in the front-rear direction as a whole, and is provided in parallel in the width direction of the first connector housing 10. The first pipe connection portions 10P are integrally provided in the first connector housing 10 by insert molding in a posture that penetrates the back wall 14 of the first hood 11 in the front-rear direction.

第１パイプ接続部１０Ｐのうち第１フード１１の奥壁１４から後方へ突出した部分は、チューブＴの端部に取り付けられた継手部材３１が接続されるチューブ接続部３２とされている。チューブ接続部３２は、第１フード１１の奥壁１４から前方へ突出した部分よりも内径寸法がひとまわり大きく薄肉とされている。チューブ接続部３２の内周面はねじ切りされ、継手部材３１に突出して設けられたねじ軸部３１Ａが螺合可能とされている。ねじ軸部３１Ａとチューブ接続部３２との螺合により、継手部材３１がチューブ接続部３２に接続され、チューブＴと第１パイプ接続部１０Ｐとが連通状態に保持される。各チューブ接続部３２は、その後端部を除いて、全周が第１コネクタハウジング１０に埋め込まれている。第１パイプ接続部１０Ｐのうちチューブ接続部３２より前側には、突条部３３が設けられている。   A portion of the first pipe connection portion 10P that protrudes rearward from the back wall 14 of the first hood 11 is a tube connection portion 32 to which a joint member 31 attached to the end portion of the tube T is connected. The tube connecting portion 32 has an inner diameter that is slightly larger than the portion of the first hood 11 that protrudes forward from the back wall 14 and is thin. The inner peripheral surface of the tube connecting portion 32 is threaded, and a screw shaft portion 31 </ b> A provided protruding from the joint member 31 can be screwed. The coupling member 31 is connected to the tube connecting portion 32 by screwing between the screw shaft portion 31A and the tube connecting portion 32, and the tube T and the first pipe connecting portion 10P are held in communication. Each tube connection portion 32 is embedded in the first connector housing 10 except for its rear end. A protrusion 33 is provided on the front side of the tube connection part 32 in the first pipe connection part 10P.

第１パイプ接続部１０Ｐの前端部は、第２パイプ接続部５０Ｐの内側に嵌合する第１嵌合部３４とされている。第１嵌合部３４は、第１パイプ接続部１０Ｐのうち第１フード１１の奥壁１４から前方に突出した部分の略前半部分（第１コネクタ接続部１０Ｃに装着されたシールリング１８よりも前側の部分）に形成され、略後半部分に比べて外形寸法がひとまわり小さく、薄肉とされている。   The front end portion of the first pipe connection portion 10P is a first fitting portion 34 that is fitted inside the second pipe connection portion 50P. The first fitting portion 34 is substantially the front half portion of the first pipe connecting portion 10P protruding forward from the back wall 14 of the first hood 11 (rather than the seal ring 18 attached to the first connector connecting portion 10C). It is formed on the front part), and its outer dimension is slightly smaller than that of the substantially latter half part, making it thin.

第１パイプ接続部１０Ｐの前端位置は、第１コネクタ接続部１０Ｃの前端よりも後方であってキャビティ１６に収容された第１端子２０の前端が配される位置と略同一の位置に配されている。   The front end position of the first pipe connection portion 10P is arranged at the same position as the position where the front end of the first terminal 20 accommodated in the cavity 16 is arranged behind the front end of the first connector connection portion 10C. ing.

第１嵌合部３４の外周面には、第２パイプ接続部５０Ｐとの間をシールするＯリング３５（本発明のパイプシール部材に該当する）を装着する装着溝３６が全周にわたって形成されている。装着溝３６は、第１嵌合部３４の前後方向中央位置よりも若干後寄りの位置、言い換えると、第１コネクタ接続部１０Ｃに収容された第１端子２０の弾性接触片２２の接点部２２Ａよりも後側の位置に配されている。   A mounting groove 36 for mounting an O-ring 35 (corresponding to the pipe seal member of the present invention) for sealing between the second pipe connecting portion 50P is formed on the outer peripheral surface of the first fitting portion 34 over the entire circumference. ing. The mounting groove 36 is located slightly rearward of the center position in the front-rear direction of the first fitting portion 34, in other words, the contact portion 22A of the elastic contact piece 22 of the first terminal 20 accommodated in the first connector connection portion 10C. It is arranged in the rear side position.

Ｏリング３５は、耐熱性に優れた弾性部材によりなり、第１コネクタハウジング１０と第２コネクタハウジング５０との嵌合に伴って、第１パイプ接続部１０Ｐと第２パイプ接続部５０Ｐとに弾性的に密着することで、両パイプ接続部１０Ｐ，５０Ｐの間をシールし、排気ガス等の気体が両パイプ接続部１０Ｐ，５０Ｐから外側へ漏れ出すことを防止する。   The O-ring 35 is made of an elastic member having excellent heat resistance, and is elastic to the first pipe connection portion 10P and the second pipe connection portion 50P as the first connector housing 10 and the second connector housing 50 are fitted. By tightly adhering to each other, the space between both pipe connecting portions 10P and 50P is sealed, and gas such as exhaust gas is prevented from leaking out from both pipe connecting portions 10P and 50P.

第１コネクタハウジング１０は、カムピン５２とカム溝４４とのカム作用により第１コネクタハウジング１０と第２コネクタハウジング５０とを引き寄せて嵌合させるレバー４１を備えている。
レバー４１は、第１コネクタハウジング１０の両外側面に接して配される一対のアーム部４２と、一対のアーム部４２を連結する連結部４３とを有し、全体として門型状をなしている。一対のアーム部４２は、第１コネクタハウジング１０に設けられた軸突部１２に組み付けられ、この軸突部１２を中心としてレバー４１が回動可能とされている。 The first connector housing 10 includes a lever 41 that pulls and fits the first connector housing 10 and the second connector housing 50 by the cam action of the cam pin 52 and the cam groove 44.
The lever 41 has a pair of arm portions 42 arranged in contact with both outer side surfaces of the first connector housing 10 and a connecting portion 43 for connecting the pair of arm portions 42, and has a gate shape as a whole. Yes. The pair of arm portions 42 are assembled to the shaft protrusion 12 provided in the first connector housing 10, and the lever 41 is rotatable around the shaft protrusion 12.

一対のアーム部４２の内側面（対向面）には、第２コネクタハウジング５０に設けられたカムピン５２が挿入されるカム溝４４が形成されている。レバー４１が回動前の位置（初期位置）にあるときには、一対のアーム部４２は第１コネクタハウジング１０の前端において直立し、カム溝４４の入り口が前方を向いた状態になる。レバー４１の回動操作に従って、カム溝４４の入り口に進入したカムピン５２はカム溝４４に沿って移動し、レバー４１が回動し終える位置（終期位置）に達すると、一対のアーム部４２は横倒しになる。   A cam groove 44 into which a cam pin 52 provided in the second connector housing 50 is inserted is formed on the inner side surfaces (opposing surfaces) of the pair of arm portions 42. When the lever 41 is in the position before rotation (initial position), the pair of arm portions 42 stands upright at the front end of the first connector housing 10 and the entrance of the cam groove 44 faces forward. As the lever 41 rotates, the cam pin 52 that has entered the entrance of the cam groove 44 moves along the cam groove 44. When the lever 41 reaches a position where the lever 41 finishes rotating (an end position), the pair of arm portions 42 are Lay down.

連結部４３には、レバー４１の回動方向に向かって片持ち状に延びるロックアーム４５が設けられている。ロックアーム４５には、レバー４１の回動動作に伴なって後述するロック突部１９に当接し、ロックアーム４５を弾性撓みさせつつロック突部１９に乗り上げ、レバー４１が終期位置に至ると、ロック突部１９を乗り越えてロック突部１９に係合する係合部４５Ａが設けられている。係合部４５Ａとロック突部１９との係合により、両コネクタハウジング１０，５０は正規の嵌合状態にロックされる。なお、ロック突部１９は、第１コネクタハウジング１０の後端に設けられ、ロック突部１９の上面（レバー４１の回動方向後側の面）は、係合部４５Ａの乗り上げ動作を案内する案内面１９Ａとされている。   The connecting portion 43 is provided with a lock arm 45 that extends in a cantilevered manner in the direction of rotation of the lever 41. The lock arm 45 comes into contact with a lock projection 19 described later as the lever 41 rotates, rides on the lock projection 19 while elastically bending the lock arm 45, and when the lever 41 reaches the final position, An engagement portion 45 </ b> A is provided that gets over the lock protrusion 19 and engages with the lock protrusion 19. Due to the engagement between the engagement portion 45A and the lock projection 19, both the connector housings 10 and 50 are locked in a proper fitting state. The lock protrusion 19 is provided at the rear end of the first connector housing 10, and the upper surface of the lock protrusion 19 (the surface on the rear side in the rotation direction of the lever 41) guides the ride-up operation of the engagement portion 45A. It is set as the guide surface 19A.

また、連結部４３には、検知体４６が取り付けられている。検知体４６は、ロックアーム４５の延び方向に沿ってスライド移動可能に取り付けられている。検知体４６は、レバー４１が終期位置に至るまでは、その略半部分をレバー４１の回動方向後方へ突出させた位置（待機位置）に保持される。   A detecting body 46 is attached to the connecting portion 43. The detection body 46 is attached so as to be slidable along the extending direction of the lock arm 45. Until the lever 41 reaches the final position, the detection body 46 is held at a position (standby position) in which substantially half of the detection body 46 protrudes backward in the rotation direction of the lever 41.

検知体４６は、片持ち状をなす撓み片４７を有している。撓み片４７の自由端部には係止爪４７Ａが設けられ、係止爪４７Ａがロックアーム４５の係合部４５Ａに突き当たることで、それ以上の押し込みが規制される。そして、レバー４１が終期位置に到達して係合部４５Ａがロック突部１９の奥方に嵌まると、係止爪４７Ａは、ロック突部１９の案内面１９Ａに案内されて係合部４５Ａを乗り越えることが可能となる（図１３参照）。   The detection body 46 has a bending piece 47 that forms a cantilever shape. A locking claw 47A is provided at the free end portion of the bending piece 47, and when the locking claw 47A abuts against the engagement portion 45A of the lock arm 45, further pushing is restricted. When the lever 41 reaches the final position and the engaging portion 45A is fitted in the back of the locking projection 19, the locking claw 47A is guided by the guide surface 19A of the locking projection 19 to move the engaging portion 45A. It is possible to get over (see FIG. 13).

第２コネクタハウジング５０は、図示しないセンサが収容された金属製のケースＫに形成された取付孔Ｈに嵌め込まれてケースＫに取り付けられる。
第２コネクタハウジング５０は、第１コネクタハウジング１０と同様、耐熱性合成樹脂によりなり、第１フード１１よりもひとまわり小さい略正方形の筒状をなして前方に開口する第２フード５１（本発明の第２メインフードに該当する）を備えている（図６参照）。第２フード５１部の両外側面には、レバー４１のカム溝４４に嵌合するカムピン５２が突設されている。 The second connector housing 50 is attached to the case K by being fitted into an attachment hole H formed in a metal case K in which a sensor (not shown) is accommodated.
Similar to the first connector housing 10, the second connector housing 50 is made of a heat-resistant synthetic resin, forms a substantially square cylindrical shape slightly smaller than the first hood 11, and opens to the front (the present invention). (Corresponding to the second main hood) (see FIG. 6). Cam pins 52 that fit into the cam grooves 44 of the lever 41 protrude from both outer side surfaces of the second hood 51.

第２コネクタハウジング５０は、第２コネクタ接続部５０Ｃ（本発明の一方のコネクタ接続部に該当する）を有している。第２コネクタ接続部５０Ｃは、第２コネクタハウジング５０の下側の略半部分に設けられている。   The second connector housing 50 has a second connector connection portion 50C (corresponding to one connector connection portion of the present invention). The second connector connection portion 50 </ b> C is provided in a substantially half portion on the lower side of the second connector housing 50.

第２コネクタ接続部５０Ｃは、第２フード５１の奥壁５３と一体に形成されたサブフード５４を有している。サブフード５４は、第１コネクタ接続部１０Ｃの外周に嵌合可能な横長の長方形の筒状をなして前方に開口し、その前端は、第２フード５１の前端と略同位置に達している（図１０参照）。サブフード５４は、開口端に向かって２段階で内径寸法が大きくなる形状、言い換えると、開口端に向かって２段階で厚さ寸法（径方向寸法）が小さくなる形状とされている。   The second connector connecting portion 50 </ b> C has a sub hood 54 formed integrally with the back wall 53 of the second hood 51. The sub hood 54 has a horizontally long rectangular tube shape that can be fitted to the outer periphery of the first connector connecting portion 10 </ b> C and opens forward, and its front end reaches substantially the same position as the front end of the second hood 51 ( (See FIG. 10). The sub-hood 54 has a shape in which the inner diameter dimension increases in two steps toward the opening end, in other words, a shape in which the thickness dimension (radial dimension) decreases in two steps toward the opening end.

サブフード５４は、その一部分を第２フード５１と共用している。詳しくは、サブフード５４の上下両縁部のうち下側の縁部が、第２フード５１の上下両縁部のうち下側の縁部と一体に形成されている（以後、一体に形成された部分を共用部Ｓと称する）。共用部Ｓの厚さ寸法は、第２フード５１の他の部分と略同一の寸法とされている。   A portion of the sub hood 54 is shared with the second hood 51. Specifically, the lower edge of the upper and lower edges of the sub hood 54 is formed integrally with the lower edge of the upper and lower edges of the second hood 51 (hereinafter formed integrally). The part is referred to as a common part S). The thickness dimension of the shared part S is substantially the same as the other parts of the second hood 51.

サブフード５４の内側には、第２端子６０の略前半部分を保持するフロントハウジング５５が装着されている。フロントハウジング５５は、サブフード５４とは別体であって耐熱性樹脂よりなり、後方から第２端子６０を挿入可能な４個のフロントキャビティ５７が、第１コネクタ接続部１０Ｃのキャビティ１６と対応する位置に形成されている。各フロントキャビティ５７内における側面には、第２端子６０に係止するランス５７Ａが前方に向かって片持ち状に延出している。また、フロントハウジング５５は、第２端子６０のタブ６１の根元部分の傾斜に沿い、第２端子６０の前止まりを行う前壁部５５Ｂを有している。第２端子６０は、タブ６１を前方に突出させた姿勢でフロントハウジング５５に保持される。   A front housing 55 that holds a substantially front half portion of the second terminal 60 is mounted inside the sub hood 54. The front housing 55 is separate from the sub hood 54 and is made of a heat-resistant resin, and the four front cavities 57 into which the second terminals 60 can be inserted from the rear correspond to the cavities 16 of the first connector connecting portion 10C. Formed in position. On the side surface in each front cavity 57, a lance 57A that is locked to the second terminal 60 extends in a cantilevered manner toward the front. Further, the front housing 55 has a front wall portion 55 </ b> B that performs the front stop of the second terminal 60 along the inclination of the base portion of the tab 61 of the second terminal 60. The second terminal 60 is held by the front housing 55 with the tab 61 protruding forward.

フロントハウジング５５の前端は、サブフード５４の前後方向略中央位置よりも若干後側の位置に配されている。フロントハウジング５５から突出した第２端子６０のタブ６１の先端は、タブ６１の突出寸法と同等の寸法分だけサブフード５４の前端から後方に入った位置に配されている。   The front end of the front housing 55 is disposed at a position slightly rearward from the substantially central position of the sub hood 54 in the front-rear direction. The tip of the tab 61 of the second terminal 60 protruding from the front housing 55 is disposed at a position that is located rearward from the front end of the sub hood 54 by a dimension equivalent to the protruding dimension of the tab 61.

また、第２コネクタ接続部５０Ｃは、第２フード５１の奥壁５３から後方へ突出する形状をなして奥壁５３と一体に形成されたリアハウジング５６を有している。リアハウジング５６には、第２端子６０の略後半部分を収容する４つのリアキャビティ５８が設けられている。   The second connector connecting portion 50 </ b> C includes a rear housing 56 that is formed integrally with the back wall 53 so as to protrude rearward from the back wall 53 of the second hood 51. The rear housing 56 is provided with four rear cavities 58 that accommodate substantially the latter half of the second terminal 60.

第２端子６０は、第１コネクタハウジング１０と第２コネクタハウジング５０との嵌合に伴って第１端子２０と接続するものであり、所定形状に打ち抜いた金属板を曲げ加工することで形成され、前端部は第１端子２０の端子接続部２１に挿入されるタブ６１とされている。第２端子６０は、第１端子２０と同様、後端に設けられたバレル部６２が電線Ｗに装着されたゴム栓２４に圧着され、ゴム栓２４はリアキャビティ５８に収容されている。   The second terminal 60 is connected to the first terminal 20 when the first connector housing 10 and the second connector housing 50 are fitted, and is formed by bending a metal plate punched into a predetermined shape. The front end portion is a tab 61 inserted into the terminal connection portion 21 of the first terminal 20. As with the first terminal 20, the second terminal 60 is pressure-bonded to the rubber plug 24 with the barrel portion 62 provided at the rear end attached to the electric wire W, and the rubber plug 24 is accommodated in the rear cavity 58.

第２コネクタハウジング５０は、第２パイプ接続部５０Ｐを有している。第２パイプ接続部５０Ｐは、第２コネクタハウジング５０の上側の略半部分に設けられている。   The second connector housing 50 has a second pipe connection portion 50P. The second pipe connection portion 50 </ b> P is provided in a substantially half portion on the upper side of the second connector housing 50.

第２パイプ接続部５０Ｐは金属製であって、全体として前後方向に長い略円筒状をなし、第２コネクタハウジング５０の幅方向に３本、第１パイプ接続部１０Ｐと対応する間隔で並列して設けられている。第２パイプ接続部５０Ｐの外径寸法は、前後にわたり略一定とされている。   The second pipe connection portion 50P is made of metal and has a substantially cylindrical shape that is long in the front-rear direction as a whole. The second pipe connection portion 50P is arranged in parallel at intervals corresponding to the first pipe connection portion 10P in the width direction of the second connector housing 50. Is provided. The outer diameter of the second pipe connection portion 50P is substantially constant over the front and rear.

第２パイプ接続部５０Ｐは、第２フード５１の奥壁５３を前後方向に貫通する姿勢で、インサート成形により第２コネクタハウジング５０に一体に設けられている。第２パイプ接続部５０Ｐは、第２フード５１の奥壁５３から後方に突出する部分を除き、第２コネクタハウジング５０に埋め込まれている。また、３本の第２パイプ接続部５０Ｐのうち幅方向の両端に配された第２パイプ接続部５０Ｐは、一部分が第２フード５１に埋め込まれている（図６参照）。   The second pipe connection portion 50P is provided integrally with the second connector housing 50 by insert molding in a posture that penetrates the back wall 53 of the second hood 51 in the front-rear direction. The second pipe connection portion 50 </ b> P is embedded in the second connector housing 50 except for a portion protruding rearward from the back wall 53 of the second hood 51. In addition, the second pipe connection portions 50P arranged at both ends in the width direction among the three second pipe connection portions 50P are partially embedded in the second hood 51 (see FIG. 6).

第２パイプ接続部５０Ｐのうち第２フード５１の奥壁５３から後方へ突出した部分は、第１パイプ接続部１０Ｐと同様、チューブＴに取り付けられた継手部材３１が螺合するチューブ接続部７１とされている。   The portion of the second pipe connecting portion 50P that protrudes rearward from the back wall 53 of the second hood 51 is the tube connecting portion 71 into which the joint member 31 attached to the tube T is screwed in, like the first pipe connecting portion 10P. It is said that.

第２パイプ接続部５０Ｐの前端部は、第１パイプ接続部１０Ｐの第１嵌合部３４の外側に嵌合する第２嵌合部７２とされている。第２嵌合部７２は、第２パイプ接続部５０Ｐのうち第２フード５１の奥壁５３から前方に突出した部分の略前半部分に形成され、略後半部分に比べて内径寸法が若干大きく薄肉とされている。なお、第２パイプ接続部５０Ｐのうち第２嵌合部７２の後側には、周方向に延びる溝部７３が形成されている。   The front end portion of the second pipe connection portion 50P is a second fitting portion 72 that fits outside the first fitting portion 34 of the first pipe connection portion 10P. The 2nd fitting part 72 is formed in the substantially first half part of the part which protruded ahead from the back wall 53 of the 2nd hood 51 among the 2nd pipe connection parts 50P, and an internal diameter dimension is a little large compared with a substantially latter half part, and is thin. It is said that. In addition, the groove part 73 extended in the circumferential direction is formed in the rear side of the 2nd fitting part 72 among the 2nd pipe connection parts 50P.

第２パイプ接続部５０Ｐの前端は、第２コネクタハウジング５０の前端（フロントハウジング５５の前端）よりも前方の位置であって、フロントハウジング５５から突出した第２端子６０のタブ６１の前端よりも若干前方の位置に達している。   The front end of the second pipe connection portion 50P is a position in front of the front end of the second connector housing 50 (the front end of the front housing 55) and is more than the front end of the tab 61 of the second terminal 60 protruding from the front housing 55. It has reached a slightly forward position.

第２コネクタハウジング５０は、その全周から側方に突出する形状をなしてケースＫの外面に沿って配されるフランジ部８１を有している。フランジ部８１は、横方向に長い略長円形の板状をなしている。フランジ部８１は、第２フード５１の奥壁５３の位置において第２コネクタハウジング５０に一体に設けられ、第２コネクタハウジング５０がケースＫに取り付けられた状態では、第２パイプ接続部５０Ｐのチューブ接続部７１と、第２コネクタ接続部５０Ｃのリアハウジング５６とがケースＫの内側に突出して配される。   The second connector housing 50 has a flange portion 81 that is formed along the outer surface of the case K so as to protrude laterally from the entire circumference thereof. The flange portion 81 has a substantially oval plate shape that is long in the lateral direction. The flange portion 81 is provided integrally with the second connector housing 50 at the position of the back wall 53 of the second hood 51. When the second connector housing 50 is attached to the case K, the tube of the second pipe connection portion 50P. The connection portion 71 and the rear housing 56 of the second connector connection portion 50C are arranged so as to protrude inside the case K.

フランジ部８１には、第２コネクタハウジング５０をケースＫにネジ固定するためのネジ締め部８２が設けられている。ネジ締め部８２は、フランジ部８１の長手方向の両端に一対設けられている。   The flange portion 81 is provided with a screw fastening portion 82 for fixing the second connector housing 50 to the case K with screws. A pair of screw fastening portions 82 are provided at both ends of the flange portion 81 in the longitudinal direction.

フランジ部８１のうちケースＫの外面と対向して配される面（後面）には、ケースＫとフランジ部８１とに密着してこの間をシールするシール板８３が装着されている。シール板８３は、耐熱性に優れた弾性部材（例えばゴム）により形成され、全体として取付孔Ｈよりも大きく、また第２フード５１よりも一回り大きい略長方形の板状をなしている（図７参照）。シール板８３の周縁部にはリップ８３Ａが形成され、リップ８３Ａはシール板８３の前面と後面とに２条ずつ、前後に重なる位置に形成されている。シール板８３は、フランジ部８１の後面に形成された装着凹部８４に嵌め込まれている。   A seal plate 83 that is in close contact with the case K and the flange portion 81 and seals between them is mounted on the surface (rear surface) of the flange portion 81 that faces the outer surface of the case K. The seal plate 83 is formed of an elastic member (for example, rubber) having excellent heat resistance, and has a substantially rectangular plate shape that is larger than the attachment hole H as a whole and slightly larger than the second hood 51 (see FIG. 7). A lip 83A is formed at the peripheral edge of the seal plate 83, and the lip 83A is formed at a position where the front surface and the rear surface of the seal plate 83 overlap each other in the front and rear directions. The seal plate 83 is fitted in a mounting recess 84 formed on the rear surface of the flange portion 81.

シール板８３は、各第２パイプ接続部５０Ｐの外周に沿って円形状をなす３つのパイプ貫通孔８５と、リアハウジング５６の外周に沿って略正方形をなすハウジング貫通孔８６とを有している。   The seal plate 83 includes three pipe through-holes 85 that form a circle along the outer periphery of each second pipe connection portion 50 </ b> P, and a housing through-hole 86 that forms a substantially square along the outer periphery of the rear housing 56. Yes.

また、シール板８３は、３つのパイプ貫通孔８５の周縁部から前方へ突出し、各第２パイプ接続部５０Ｐの外周に密着するパイプ嵌着部８７を有している。パイプ嵌着部８７のうち第２パイプ接続部５０Ｐと装着凹部８４とに密着する面には、複数条のリップ８７Ａが形成されている。   Further, the seal plate 83 has pipe fitting portions 87 that protrude forward from the peripheral portions of the three pipe through holes 85 and are in close contact with the outer periphery of each second pipe connection portion 50P. A plurality of lips 87 </ b> A are formed on the surface of the pipe fitting portion 87 that is in close contact with the second pipe connection portion 50 </ b> P and the mounting recess 84.

次に、第１コネクタハウジング１０と第２コネクタハウジング５０との嵌合操作について説明する。
まず、レバー４１が初期位置にセットされ、検知体４６が待機位置に保持された第１コネクタハウジング１０を、ケースＫに固定された第２コネクタハウジング５０に浅く嵌合させ、カム溝４４の入り口にカムピン５２を進入させる。そして、レバー４１を回動すると、レバー４１のてこ作用を受けつつカムピン５２がカム溝４４に沿って変位し、両コネクタハウジング１０，５０の嵌合が進行する。 Next, a fitting operation between the first connector housing 10 and the second connector housing 50 will be described.
First, the first connector housing 10 in which the lever 41 is set at the initial position and the detection body 46 is held at the standby position is shallowly fitted into the second connector housing 50 fixed to the case K, and the entrance of the cam groove 44 is set. The cam pin 52 is made to enter. When the lever 41 is rotated, the cam pin 52 is displaced along the cam groove 44 while receiving the lever action of the lever 41, and the fitting of both the connector housings 10 and 50 proceeds.

そして、第１コネクタ接続部１０Ｃの前端が第２端子６０の前端に達するとともに、第１パイプ接続部１０Ｐの先端が第２パイプ接続部５０Ｐの先端に達した状態になる（図１１参照）。ついで、第２端子６０のタブ６１がリテーナ１７のタブ挿入口１７Ａを通過し、またサブフード５４の先端がシールリング１８の手前側のリップ１８Ａの外周側に至ってシールリング１８を内側に押圧して弾性収縮させる（図１２参照）。このとき、シールリング１８の弾性復元力に起因して嵌合抵抗が増し、サブフード５４が手前側のリップ１８Ａを乗り越えるときにピークを迎えてその後減少する。   Then, the front end of the first connector connection portion 10C reaches the front end of the second terminal 60, and the front end of the first pipe connection portion 10P reaches the front end of the second pipe connection portion 50P (see FIG. 11). Next, the tab 61 of the second terminal 60 passes through the tab insertion port 17A of the retainer 17, and the tip of the sub hood 54 reaches the outer peripheral side of the lip 18A on the front side of the seal ring 18 to press the seal ring 18 inward. Elastically contract (see FIG. 12). At this time, the fitting resistance increases due to the elastic restoring force of the seal ring 18, and reaches a peak when the sub-hood 54 gets over the lip 18A on the near side, and then decreases.

次いで、第１パイプ接続部１０Ｐの第１嵌合部３４に外嵌した第２パイプ接続部５０ＰがＯリング３５の外周側に至り、Ｏリング３５を内側に押圧して弾性収縮させる。このとき、Ｏリング３５の弾性復元力に起因して嵌合抵抗が増し、第２嵌合部７２の先端がＯリング３５を乗り越えるときにピークを迎えてその後減少する。   Next, the second pipe connection portion 50P that is externally fitted to the first fitting portion 34 of the first pipe connection portion 10P reaches the outer peripheral side of the O-ring 35, and the O-ring 35 is pressed inward to be elastically contracted. At this time, the fitting resistance increases due to the elastic restoring force of the O-ring 35, reaches a peak when the tip of the second fitting portion 72 gets over the O-ring 35, and then decreases.

そして、Ｏリング３５の弾性収縮に伴う嵌合抵抗がピークを過ぎたころ、第２端子６０のタブ６１が、弾性接触片２２の接点部２２Ａを乗り越える。このとき、弾性接触片２２の弾性復元力に起因する嵌合抵抗はピークを迎えてその後減少する。   When the fitting resistance accompanying the elastic contraction of the O-ring 35 has passed the peak, the tab 61 of the second terminal 60 gets over the contact portion 22A of the elastic contact piece 22. At this time, the fitting resistance caused by the elastic restoring force of the elastic contact piece 22 reaches a peak and then decreases.

やがて、レバー４１は終期位置に接近し、ロックアーム４５の係合部４５Ａがロック突部１９に突き当たった後これを乗り超えてロック突部１９に係合し、第１コネクタハウジング１０と第２コネクタハウジング５０とが離間不能に保持される（図１３参照）。このとき、サブフード５４の先端がシールリング１８の耳部１８Ｂを第１フード１１の奥壁１４に押し付けた状態になり、また第１パイプ接続部１０Ｐの第１嵌合部３４と第２パイプ接続部５０Ｐの第２嵌合部７２とが正規嵌合し、第１コネクタ接続部１０Ｃと第２コネクタ接続部５０Ｃとが正規嵌合して第１端子２０と第２端子６０とが正規の接続になって、第１コネクタハウジング１０と第２コネクタハウジング５０とが正規嵌合した状態になる。   Eventually, the lever 41 approaches the final position, and after the engaging portion 45A of the lock arm 45 abuts against the lock protrusion 19, the lever 41 climbs over and engages with the lock protrusion 19, and the first connector housing 10 and the second The connector housing 50 is held so as not to be separated (see FIG. 13). At this time, the tip of the sub hood 54 is in a state where the ear portion 18B of the seal ring 18 is pressed against the back wall 14 of the first hood 11, and the first fitting portion 34 and the second pipe connection of the first pipe connection portion 10P. The second fitting part 72 of the part 50P is properly fitted, the first connector connecting part 10C and the second connector connecting part 50C are normally fitted, and the first terminal 20 and the second terminal 60 are properly connected. Thus, the first connector housing 10 and the second connector housing 50 are in a properly fitted state.

次いで、作業者は検知体４６を押し込むと、撓み片４７の係止爪４７Ａがロック突部１９の案内面１９Ａに案内されてこれを乗り越え、その向こうに続く係合部４５Ａを乗り越えて係合部４５Ａに係合する（図１４参照）。ここで、レバー４１が終期位置まで回動されていない場合には、係合部４５Ａがロック突部１９の手前側にあり、係止爪４７Ａが係合部４５Ａに突き当たって押し込めず、未だレバー４１が終期位置に至っていないことに気付くことができる。すなわち、レバー４１が終期位置まで回動され、両コネクタハウジング１０，５０が正規嵌合してはじめて、検知体４６によるロックが可能となり、検知体４６のロックにより両コネクタハウジング１０，５０はさらに強固に離間不能に保持される。   Next, when the operator pushes in the detection body 46, the engaging claw 47A of the bending piece 47 is guided by the guide surface 19A of the locking projection 19 and gets over it, and gets over the engaging portion 45A that is beyond it and is engaged. Engage with the portion 45A (see FIG. 14). Here, when the lever 41 is not rotated to the final position, the engaging portion 45A is on the front side of the locking projection 19, and the locking claw 47A hits the engaging portion 45A and cannot be pushed in. It can be noticed that 41 has not reached the end position. That is, only when the lever 41 is rotated to the final position and the two connector housings 10 and 50 are properly fitted together, the detection body 46 can be locked. It is held so that it cannot be separated.

上記のように構成された本実施形態によれば、以下の効果を奏する。
一対のパイプ接続部１０Ｐ，５０Ｐと一対のコネクタ接続部１０Ｃ，５０Ｃとを第１フード１１内に設けたから、コネクタＣをコンパクトにすることができる。そして、一対のパイプ接続部１０Ｐ，５０Ｐの間および一対のコネクタ接続部１０Ｃ，５０Ｃの間は、それぞれＯリング３５とシールリング１８とによってシールされているから、パイプ接続部１０Ｐ，５０Ｐの間から気体が漏れ出して第１フード１１内に滞留することを防止でき、またコネクタ接続部１０Ｃ，５０Ｃの間から内側（第１端子２０および第２端子６０が収容されている側）に気体が入り込むことを確実に防止することができる。したがって、コネクタＣを排気管に接続して使用する場合であっても、問題なく使用することができる。 According to the present embodiment configured as described above, the following effects can be obtained.
Since the pair of pipe connection portions 10P and 50P and the pair of connector connection portions 10C and 50C are provided in the first hood 11, the connector C can be made compact. Since the space between the pair of pipe connecting portions 10P and 50P and the pair of connector connecting portions 10C and 50C are sealed by the O-ring 35 and the seal ring 18, respectively, the space between the pipe connecting portions 10P and 50P. Gas can be prevented from leaking out and staying in the first hood 11, and the gas can enter the inside (side where the first terminal 20 and the second terminal 60 are accommodated) from between the connector connecting portions 10 </ b> C and 50 </ b> C. This can be surely prevented. Therefore, even when the connector C is used by being connected to the exhaust pipe, it can be used without any problem.

そして、レバー４１を操作することで、カムピン５２とカム溝４４とのカム作用により第１コネクタハウジング１０と第２コネクタハウジング５０とが引き寄せられて嵌合するから、Ｏリング３５とシールリング１８とが装着されていても、コネクタＣを容易に嵌合させることができる。すなわち、本発明の構成によれば、コネクタ接続部１０Ｃ，５０Ｃとパイプ接続部１０Ｐ，５０Ｐとを一体に組み付けてなるコネクタＣにおいて、コンパクトで、かつ嵌合操作が容易なコネクタＣを実現することができる。   Then, by operating the lever 41, the first connector housing 10 and the second connector housing 50 are attracted and fitted by the cam action of the cam pin 52 and the cam groove 44. Even if is attached, the connector C can be easily fitted. That is, according to the configuration of the present invention, in the connector C in which the connector connecting portions 10C and 50C and the pipe connecting portions 10P and 50P are assembled together, the connector C that is compact and can be easily fitted is realized. Can do.

さらに、第１コネクタハウジング１０と第２コネクタハウジング５０とが嵌合する際に、Ｏリング３５の弾性収縮とシールリング１８の弾性収縮とに起因する嵌合抵抗の発生時期が異なる設定とされているから、それらが同時に発生する場合に比べて、コネクタＣを容易に嵌合することができる。   Furthermore, when the first connector housing 10 and the second connector housing 50 are fitted together, the generation timing of the fitting resistance due to the elastic shrinkage of the O-ring 35 and the elastic shrinkage of the seal ring 18 is set to be different. Therefore, the connector C can be easily fitted compared to the case where they occur simultaneously.

また、サブフード５４の一部分を第２フード５１の一部分として共用しているから、第２フード５１とサブフード５４とを別個設ける場合に比べて、コネクタＣをさらにコンパクトにすることができる。   Further, since a part of the sub hood 54 is shared as a part of the second hood 51, the connector C can be made more compact than when the second hood 51 and the sub hood 54 are provided separately.

＜他の実施形態＞
本発明は上記記述及び図面によって説明した実施形態に限定されるものではなく、例えば次のような実施形態も本発明の技術的範囲に含まれる。 <Other embodiments>
The present invention is not limited to the embodiments described with reference to the above description and drawings. For example, the following embodiments are also included in the technical scope of the present invention.

（１）上記実施形態では、レバー４１は回動式とされているが、これに限らず、例えばレバーをスライド操作するスライド式としてもよい。   (1) In the said embodiment, although the lever 41 is made into the rotation type, it is not restricted to this, For example, it is good also as a slide type which slide-operates a lever.

本実施形態にかかるコネクタの嵌合前の状態を表す側断面図Side sectional view showing the state before fitting of the connector according to the present embodiment 第１コネクタハウジングの正面図Front view of first connector housing 同背面図Rear view 同側面図Side view 同側断面図Cross-sectional side view 第２コネクタハウジングの正面図Front view of second connector housing 同背面図Rear view 同側面図Side view 同側断面図Cross-sectional side view 図６のＡ−Ａ断面図AA sectional view of FIG. コネクタを浅く嵌合してレバーを回動する前の状態を表す側断面図Side sectional view showing the state before fitting the connector shallowly and turning the lever レバーを回動し始めた状態を表す側断面図Side sectional view showing a state where the lever starts to rotate レバーが終期位置に至ったときのコネクタの状態を表す側断面図Side sectional view showing the state of the connector when the lever reaches the final position 検知体を押し込んだ状態を表す側断面図Side sectional view showing the state where the detection body is pushed in

符号の説明Explanation of symbols

Ｃ…コネクタ
１０…第１コネクタハウジング
１０Ｃ…第１コネクタ接続部（他方のコネクタ接続部）
１０Ｐ…第１パイプ接続部
１１…第１フード（メインフード）
１８…シールリング（コネクタシール部材）
３５…Ｏリング（パイプシール部材）
４１…レバー
４４…カム溝
５０…第２コネクタハウジング
５０Ｃ…第２コネクタ接続部（一方のコネクタ接続部）
５０Ｐ…第２パイプ接続部
５１…第２フード（第２メインフード）
５２…カムピン
５４…サブフード C ... Connector 10 ... First connector housing 10C ... First connector connection part (the other connector connection part)
10P ... 1st pipe connection part 11 ... 1st food (main food)
18 ... Seal ring (connector seal member)
35 ... O-ring (pipe seal member)
41 ... Lever 44 ... Cam groove 50 ... Second connector housing 50C ... Second connector connecting portion (one connector connecting portion)
50P ... second pipe connection 51 ... second hood (second main hood)
52 ... Cam pin 54 ... Sub hood

Claims (3)

メインフードを有する第１コネクタハウジングと、
前記メインフードに内嵌する第２コネクタハウジングと、
前記第１コネクタハウジングおよび第２コネクタハウジングに設けられて、前記メインフード内において互いに接続する一対のパイプ接続部および一対のコネクタ接続部と、
前記一対のパイプ接続部の間をシールするパイプシール部材と、
前記一対のコネクタ接続部の間をシールするコネクタシール部材と、
前記第１コネクタハウジングおよび第２コネクタハウジングの一方に設けられたカムピンと他方に設けられたカム溝とのカム作用により前記第１コネクタハウジングと前記第２コネクタハウジングとを引き寄せて嵌合させるレバーとを備えることを特徴とするコネクタ。 A first connector housing having a main hood;
A second connector housing fitted into the main hood;
A pair of pipe connection portions and a pair of connector connection portions provided in the first connector housing and the second connector housing and connected to each other in the main hood;
A pipe seal member for sealing between the pair of pipe connection portions;
A connector seal member for sealing between the pair of connector connecting portions;
A lever for pulling and fitting the first connector housing and the second connector housing by a cam action of a cam pin provided on one of the first connector housing and the second connector housing and a cam groove provided on the other; A connector comprising: 前記第１コネクタハウジングと前記第２コネクタハウジングとが嵌合する際の、前記パイプシール部材の弾性収縮と前記コネクタシール部材の弾性収縮とに起因する嵌合抵抗の発生時期が異なることを特徴とする請求項１に記載のコネクタ。 When the first connector housing and the second connector housing are fitted, the fitting resistance due to the elastic contraction of the pipe seal member and the elastic contraction of the connector seal member are different. The connector according to claim 1. 前記第２コネクタハウジングは、前記コネクタ接続部および前記パイプ接続部を囲うとともに前記メインフード内に嵌合する第２メインフードを有し、
また前記一対のコネクタ接続部は、一方のコネクタ接続部がサブフードを有して他方のコネクタ接続部が前記サブフード内に嵌合するものとされ、
前記一方のコネクタ接続部を前記第２コネクタハウジングに設け、前記サブフードの一部分を前記第２メインフードの一部分と共用したことを特徴とする請求項１または請求項２に記載のコネクタ。 The second connector housing has a second main hood that surrounds the connector connecting portion and the pipe connecting portion and fits in the main hood,
Further, the pair of connector connecting portions, one connector connecting portion has a sub hood, and the other connector connecting portion is fitted in the sub hood,
3. The connector according to claim 1, wherein the one connector connecting portion is provided in the second connector housing, and a part of the sub-hood is shared with a part of the second main hood.
JP2008227410A 2008-09-04 2008-09-04 connector Expired - Fee Related JP5072781B2 (en)

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JP5447975B2 (en) * 2010-06-29 2014-03-19 住友電装株式会社 Gas distribution unit
WO2013001042A1 (en) * 2011-06-28 2013-01-03 Fci Automotive Holding Assembly of a wire and an electrical contact and method of manufacture
JP5737155B2 (en) * 2011-11-28 2015-06-17 住友電装株式会社 connector
EP2858183A3 (en) * 2013-10-03 2015-06-17 Yasaki Corporation Connector joining structure
DE102014105144A1 (en) * 2014-04-10 2015-10-15 HARTING Electronics GmbH Airtight connector and method of use
JP2017182953A (en) * 2016-03-29 2017-10-05 矢崎総業株式会社 connector
JP6492029B2 (en) * 2016-05-30 2019-03-27 矢崎総業株式会社 connector
CN108263720B (en) * 2016-12-30 2024-03-22 深圳光启梦想科技有限公司 Leakage-proof device
CN107355211A (en) * 2017-06-30 2017-11-17 中国海洋石油总公司 A kind of more road binders electric connectors of crawl device
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JP7353716B2 (en) * 2019-11-20 2023-10-02 矢崎総業株式会社 connector structure
JP2022169856A (en) * 2021-04-28 2022-11-10 日本航空電子工業株式会社 Electronic device

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JP2007149420A (en) * 2005-11-25 2007-06-14 Yazaki Corp Lever fitting type connector

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