JP2022027051A - Connector and connector rear part cover - Google Patents

Connector and connector rear part cover Download PDF

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Publication number
JP2022027051A
JP2022027051A JP2020130826A JP2020130826A JP2022027051A JP 2022027051 A JP2022027051 A JP 2022027051A JP 2020130826 A JP2020130826 A JP 2020130826A JP 2020130826 A JP2020130826 A JP 2020130826A JP 2022027051 A JP2022027051 A JP 2022027051A
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Prior art keywords
cover
connector
electric wire
housing
bending
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JP2020130826A
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JP7221910B2 (en
Inventor
和也 ▲高▼橋
Kazuya Takahashi
永太 清家
Eita Seike
雄二 福山
Yuji Fukuyama
宏貴 古瀬
Hiroki Furuse
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Toyota Motor Corp
Yazaki Corp
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Toyota Motor Corp
Yazaki Corp
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Priority to JP2020130826A priority Critical patent/JP7221910B2/en
Priority to GB2110992.1A priority patent/GB2601594B8/en
Publication of JP2022027051A publication Critical patent/JP2022027051A/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
    • H01R13/56—Means for preventing chafing or fracture of flexible leads at outlet from coupling part
    • H01R13/562—Bending-relieving
    • 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
    • H01R13/502—Bases; Cases composed of different pieces
    • H01R13/506—Bases; Cases composed of different pieces assembled by snap action of the parts
    • 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
    • H01R13/514—Bases; Cases composed as a modular blocks or assembly, i.e. composed of co-operating parts provided with contact members or holding contact members between them
    • 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
    • H01R13/56—Means for preventing chafing or fracture of flexible leads at outlet from coupling part
    • 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
    • H01R13/58—Means for relieving strain on wire connection, e.g. cord grip, for avoiding loosening of connections between wires and terminals within a coupling device terminating a cable
    • 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
    • H01R13/58—Means for relieving strain on wire connection, e.g. cord grip, for avoiding loosening of connections between wires and terminals within a coupling device terminating a cable
    • H01R13/582—Means for relieving strain on wire connection, e.g. cord grip, for avoiding loosening of connections between wires and terminals within a coupling device terminating a cable the cable being clamped between assembled parts of the housing

Abstract

To provide a connector capable of bending an electric wire so as to prevent a terminal metal fitting and a waterproof plug from applying a load, and provide a connector rear part cover.SOLUTION: A connector 1 is structured by constructing: an electric wire 2 with one or a plurality of terminals in which a terminal metal fitting is provided in an end of an electric wire 5; a connector housing 3 in which the terminal metal fitting is housed from a housing rear part 7; and a connector rear part cover 4 fixed to the housing rear part 7. The connector rear part cover 4 is structured by two members of a first cover 12 and a second cover 13, which are engaged with each other along a direction orthogonal to a connector axis CL. The first cover 12 and the second cover 13 include a nipping and folding structure 14 for nipping the electric wire 5 led out from the housing rear part 7 at a predetermined bending position and nipping it to a bending direction along an orthogonal direction. The nipping and folding structure 14 includes: a bend point regulation part 22 of the first cover 12; and an electric wire pressing force part 37 of the second cover 13.SELECTED DRAWING: Figure 1

Description

本発明は、電線が引き出されたハウジング後部にコネクタ後部カバーが固定されるコネクタに関する。また、上記コネクタ後部カバーそのものに関する。 The present invention relates to a connector in which a connector rear cover is fixed to the rear of a housing from which an electric wire is drawn. Further, the present invention relates to the connector rear cover itself.

電気的な接続に用いられるワイヤハーネスのコネクタとしては、例えば下記特許文献１に開示されたものが知られる。コネクタは、絶縁性のコネクタハウジングと、このコネクタハウジングに収容される導電性の端子金具と、コネクタハウジングの後部（ハウジング後部）に固定されるコネクタ後部カバーとを備えて構成される。このようなコネクタにおいて、端子金具は電線の端末に設けられ、これら端子金具及び電線は、端子付き電線として用いられる。電線は、コネクタハウジングのハウジング後部からコネクタ軸に沿って後方に真っ直ぐ引き出され、引き出された後はコネクタ軸に直交する方向に作業者の手で曲げられる。この後、ハウジング後部にコネクタ後部カバーが固定されると、上記の曲げられた電線はコネクタ後部カバーにより覆われる。 As a wire harness connector used for electrical connection, for example, those disclosed in Patent Document 1 below are known. The connector includes an insulating connector housing, a conductive terminal fitting housed in the connector housing, and a connector rear cover fixed to the rear portion (rear portion of the housing) of the connector housing. In such a connector, the terminal fitting is provided at the terminal of the electric wire, and the terminal fitting and the electric wire are used as an electric wire with a terminal. The wire is pulled straight backward along the connector shaft from the rear of the connector housing, and after being pulled out, is bent by an operator in a direction orthogonal to the connector shaft. After that, when the connector rear cover is fixed to the rear of the housing, the bent electric wire is covered by the connector rear cover.

特開２０００－３４８８１０号公報Japanese Unexamined Patent Publication No. 2000-348810

上記従来技術にあっては、ハウジング後部にコネクタ後部カバーが固定されるため、ハウジング後部から真っ直ぐに引き出された電線を作業者の手で曲げる必要がある。この作業では電線の曲げ位置が規制されずに行われることから、電線の曲げ位置はハウジング後部における引き出し直後の位置になり、結果、電線の曲げが急激になってしまう。そのため、引き出し直後の位置と端子金具との距離が短い場合、上記急激な曲げの影響が端子金具にまで及んでしまうという虞がある（負荷がかかってしまうという虞がある）。また、防水栓を含んだ端子付き電線であれば、ハウジング後部に収容された防水栓に対しても上記影響が及んで防水性が確保できなくなってしまうという虞がある。 In the above-mentioned prior art, since the connector rear cover is fixed to the rear of the housing, it is necessary for the operator to manually bend the electric wire drawn straight from the rear of the housing. Since the bending position of the electric wire is not regulated in this work, the bending position of the electric wire is the position immediately after the drawing in the rear part of the housing, and as a result, the bending of the electric wire becomes abrupt. Therefore, if the distance between the position immediately after pulling out and the terminal fitting is short, the influence of the sharp bending may extend to the terminal fitting (there is a risk that a load will be applied). Further, in the case of an electric wire with a terminal including a waterproof plug, there is a possibility that the waterproof plug housed in the rear part of the housing will be affected as described above and the waterproof property cannot be ensured.

本発明は、上記した事情に鑑みてなされたもので、端子金具や防水栓に負荷がかからないように電線の曲げをすることが可能なコネクタ及びコネクタ後部カバーを提供することを課題とする。 The present invention has been made in view of the above circumstances, and an object of the present invention is to provide a connector and a connector rear cover capable of bending an electric wire so that a load is not applied to a terminal fitting or a waterproof plug.

上記課題を解決するためになされた請求項１に記載の本発明のコネクタは、電線の端末に端子金具が設けられた一又は複数本の端子付き電線と、ハウジング後部から前記端子金具が収容されるコネクタハウジングと、前記ハウジング後部に固定されるコネクタ後部カバーとを備え、該コネクタ後部カバーは、コネクタ軸に直交する方向に沿って互いに係合し合う第一カバー及び第二カバーの二部材で構成され、該二部材となる前記第一カバー及び前記第二カバーは、前記ハウジング後部から引き出された前記電線を所定の曲げ位置で挟み込み且つ前記直交する方向に沿った曲げ方向に曲げるための挟み曲げ構造を有することを特徴とする。 The connector of the present invention according to claim 1, which has been made to solve the above problems, accommodates one or more electric wires with terminals provided with terminal fittings on the terminal of the electric wire, and the terminal fittings from the rear of the housing. The connector housing is provided with a connector rear cover fixed to the rear portion of the housing, and the connector rear cover is composed of two members, a first cover and a second cover, which engage with each other along a direction orthogonal to the connector axis. The first cover and the second cover, which are configured and become the two members, sandwich the electric wire drawn from the rear portion of the housing at a predetermined bending position and bend in a bending direction along the orthogonal direction. It is characterized by having a bent structure.

このような請求項１の特徴を有する本発明によれば、コネクタ後部カバーがコネクタ軸に直交する方向に沿って互いに係合し合う第一カバー及び第二カバーの二部材で構成され、そして、第一カバー及び第二カバーは挟み曲げ構造を有してハウジング後部から引き出された電線を所定の曲げ位置で挟み込み且つ曲げることから、作業者は手で電線を曲げる必要がなくなり、そのため従来のような急激な曲げが電線に生じることはない。本発明によれば、ハウジング後部にコネクタ後部カバーを固定する際に、コネクタ後部カバー自身で電線の曲げを行うことができ、結果、端子金具に対して負荷がかからないようにすることができる。この他、本発明によれば、コネクタ後部カバー自身で電線の曲げを行うことから、コネクタの組立性（生産性）の向上やワイヤハーネスの生産性の向上に寄与することもできる。 According to the present invention having such a feature of claim 1, the connector rear cover is composed of two members, a first cover and a second cover, which are engaged with each other along a direction orthogonal to the connector axis. Since the first cover and the second cover have a sandwich bending structure and sandwich and bend the electric wire drawn from the rear part of the housing at a predetermined bending position, the operator does not have to bend the electric wire by hand, and therefore, as in the conventional case. No sharp bending occurs in the wire. According to the present invention, when the connector rear cover is fixed to the rear of the housing, the electric wire can be bent by the connector rear cover itself, and as a result, the load can be prevented from being applied to the terminal fittings. In addition, according to the present invention, since the electric wire is bent by the connector rear cover itself, it is possible to contribute to the improvement of the assemblability (productivity) of the connector and the productivity of the wire harness.

請求項２に記載の本発明は、請求項１に記載のコネクタにおいて、前記挟み曲げ構造は、前記第一カバーに形成されて前記ハウジング後部から引き出された前記電線の曲げ点を規制する曲げ点規制部と、前記第二カバーに形成されて前記曲げ点規制部よりも前記ハウジング後部から離れた位置で前記電線を前記曲げ方向に押圧する電線押圧部とを有することを特徴とする。 According to a second aspect of the present invention, in the connector according to the first aspect, the sandwiched bending structure is formed on the first cover and a bending point for restricting a bending point of the electric wire drawn from the rear portion of the housing. It is characterized by having a restricting portion and an electric wire pressing portion formed on the second cover and pressing the electric wire in the bending direction at a position farther from the rear portion of the housing than the bending point restricting portion.

このような請求項２の特徴を有する本発明によれば、挟み曲げ構造が曲げ点規制部と電線押圧部とを有することから、曲げ点規制部にて電線の曲げ点を規制することができ、また、電線押圧部にて電線を曲げ方向に押圧することができる。本発明によれば、ハウジング後部から引き出された電線を所定の曲げ位置で挟み込み且つ曲げる構造に関して、より良い一形態を提供することができる。 According to the present invention having such a feature of claim 2, since the sandwiched bending structure has a bending point restricting portion and an electric wire pressing portion, the bending point restricting portion can regulate the bending point of the electric wire. Further, the electric wire can be pressed in the bending direction by the electric wire pressing portion. INDUSTRIAL APPLICABILITY According to the present invention, it is possible to provide a better embodiment of a structure in which an electric wire drawn from a rear portion of a housing is sandwiched and bent at a predetermined bending position.

請求項３に記載の本発明は、請求項２に記載のコネクタにおいて、前記第一カバー及び前記第二カバーは、前記曲げ方向に曲げた後の前記電線を間に配置して対向し合う壁状の電線保持構造を有することを特徴とする。 According to a third aspect of the present invention, in the connector according to the second aspect, the first cover and the second cover are walls facing each other with the electric wires after bending in the bending direction arranged between them. It is characterized by having a wire holding structure in the shape of a wire.

このような請求項３の特徴を有する本発明によれば、第一カバー及び第二カバーが電線保持構造を有することから、曲げた後の電線を保持することができ、以て電線の曲げ状態を安定させることができる。 According to the present invention having such a feature of claim 3, since the first cover and the second cover have an electric wire holding structure, it is possible to hold the electric wire after bending, and thus the bent state of the electric wire. Can be stabilized.

請求項４に記載の本発明は、請求項３に記載のコネクタにおいて、前記第一カバー及び前記第二カバーは、これらのいずれか一方に前記電線をバンド部材にて固定するためのバンド固定部を有することを特徴とする。 According to a fourth aspect of the present invention, in the connector according to the third aspect, the first cover and the second cover are band fixing portions for fixing the electric wire to either one of them with a band member. It is characterized by having.

このような請求項４の特徴を有する本発明によれば、第一カバー及び第二カバーのいずれか一方にバンド固定部を有することから、バンド部材を用いて電線を固定することができる。本発明によれば、コネクタ後部カバーの外側で仮に外力が電線に加わったとしても、その外力の影響をバンド部材で止めて端子金具の位置まで及ばないようにすることができる。 According to the present invention having such a feature of claim 4, since the band fixing portion is provided on either one of the first cover and the second cover, the electric wire can be fixed by using the band member. According to the present invention, even if an external force is applied to the electric wire on the outside of the connector rear cover, the influence of the external force can be stopped by the band member so as not to reach the position of the terminal fitting.

請求項５に記載の本発明は、請求項１、２、３又は４に記載のコネクタにおいて、前記第一カバー及び前記第二カバーは、前記ハウジング後部を挟み込んだ状態で係合し合う固定構造を有することを特徴とする。 According to a fifth aspect of the present invention, in the connector according to the first, second, third or fourth aspect, the first cover and the second cover have a fixed structure in which the rear portion of the housing is sandwiched and engaged with each other. It is characterized by having.

このような請求項５の特徴を有する本発明によれば、ハウジング後部に対するコネクタ後部カバーの固定が挟み込みによる構造になることから、固定に関してハウジング後部の構造を簡素化することができる。 According to the present invention having such a feature of claim 5, since the fixing of the connector rear cover to the rear part of the housing is a structure by sandwiching, the structure of the rear part of the housing can be simplified with respect to the fixing.

請求項６に記載の本発明は、請求項５に記載のコネクタにおいて、前記第一カバー及び前記第二カバーは、互いにガイドし合うガイド構造を有することを特徴とする。 The present invention according to claim 6 is characterized in that, in the connector according to claim 5, the first cover and the second cover have a guide structure that guides each other.

このような請求項６の特徴を有する本発明によれば、ガイド構造を有する第一カバー及び第二カバーであることから、互いにガイドし合うことでハウジング後部の挟み込みや第一カバー及び第二カバー同士の係合をスムーズに行うことができる。 According to the present invention having such a feature of claim 6, since the first cover and the second cover have a guide structure, they can be pinched at the rear part of the housing and the first cover and the second cover can be sandwiched by guiding each other. The engagement between them can be performed smoothly.

請求項７に記載の本発明は、請求項１、２、３、４、５又は６に記載のコネクタにおいて、前記端子付き電線は、前記電線及び前記コネクタハウジングにそれぞれ密着する防水栓を有することを特徴とする。 The present invention according to claim 7 has the connector according to claim 1, 2, 3, 4, 5 or 6, wherein the electric wire with a terminal has a waterproof plug which is in close contact with the electric wire and the connector housing, respectively. It is characterized by.

このような請求項７の特徴を有する本発明によれば、防水栓に対しても負荷がかからないようにすることができる。 According to the present invention having such a feature of claim 7, it is possible to prevent the load from being applied to the waterproof plug.

また、上記課題を解決するためになされた請求項８に記載の本発明のコネクタ後部カバーは、電線の端末に端子金具が設けられた一又は複数本の端子付き電線における前記端子金具が収容されたコネクタハウジングのハウジング後部に対し固定されるものとして、コネクタ軸に直交する方向に沿って互いに係合し合う第一カバー及び第二カバーの二部材で構成され、該二部材となる前記第一カバー及び前記第二カバーは、前記ハウジング後部から引き出された前記電線を所定の曲げ位置で挟み込み且つ前記直交する方向に沿った曲げ方向に曲げるための挟み曲げ構造を有することを特徴とする。 Further, the connector rear cover of the present invention according to claim 8, which has been made to solve the above problems, accommodates the terminal fittings of one or a plurality of electric wires having terminals provided with terminal fittings at the terminals of the electric wires. The first cover, which is fixed to the rear part of the housing of the connector housing, is composed of two members, a first cover and a second cover, which are engaged with each other along a direction orthogonal to the connector axis. The cover and the second cover are characterized by having a sandwich bending structure for sandwiching the electric wire drawn from the rear portion of the housing at a predetermined bending position and bending the electric wire in a bending direction along the orthogonal direction.

このような請求項８の特徴を有する本発明によれば、コネクタ軸に直交する方向に沿って互いに係合し合う第一カバー及び第二カバーの二部材で構成され、第一カバー及び第二カバーは挟み曲げ構造を有してハウジング後部から引き出された電線を所定の曲げ位置で挟み込み且つ曲げることから、作業者は手で電線を曲げる必要がなくなり、そのため従来のような急激な曲げが電線に生じることはない。本発明によれば、ハウジング後部にコネクタ後部カバーを固定する際に、コネクタ後部カバー自身で電線の曲げを行うことができ、結果、端子金具に負荷がかからないようにすることができる。 According to the present invention having such a feature of claim 8, it is composed of two members, a first cover and a second cover, which are engaged with each other along a direction orthogonal to the connector axis, and is composed of the first cover and the second cover. Since the cover has a pinch bending structure and the electric wire drawn from the rear part of the housing is sandwiched and bent at a predetermined bending position, the operator does not have to bend the electric wire by hand, so that the electric wire can be bent sharply as in the conventional case. Does not occur in. According to the present invention, when the connector rear cover is fixed to the rear of the housing, the electric wire can be bent by the connector rear cover itself, and as a result, the terminal fitting can be prevented from being loaded.

本発明によれば、端子金具や防水栓に負荷がかからないように電線の曲げをすることができるという効果を奏する。これにより、コネクタの組立性（生産性）の向上やワイヤハーネスの生産性の向上に寄与することができるという効果も奏する。 According to the present invention, there is an effect that the electric wire can be bent so that the terminal fitting and the waterproof plug are not loaded. This also has the effect of contributing to the improvement of the assemblability (productivity) of the connector and the productivity of the wire harness.

本発明のコネクタ及びコネクタ後部カバーの一実施形態を示す斜視図である。It is a perspective view which shows one Embodiment of the connector and the connector rear cover of this invention. 図１のＡ－Ａ線断面図である。FIG. 3 is a cross-sectional view taken along the line AA of FIG. コネクタの分解斜視図である。It is an exploded perspective view of a connector. ハウジング後部の拡大斜視図である。It is an enlarged perspective view of the rear part of a housing. 第一カバーの図であり、（ａ）は全体の斜視図、（ｂ）は（ａ）のＢ部分の拡大図、（ｃ）は（ａ）のＣ部分の拡大図である。It is the figure of the first cover, (a) is the whole perspective view, (b) is the enlarged view of the B part of (a), (c) is the enlarged view of the C part of (a). 第一カバーを上方から見た斜視図である。It is a perspective view which looked at the first cover from above. 第二カバーの斜視図である。It is a perspective view of the second cover. 第二カバーの図であり、（ａ）は平面図、（ｂ）は底面図である。It is a figure of the 2nd cover, (a) is a plan view, (b) is a bottom view. 第一カバーをハウジング後部に組み付けた状態の斜視図である。It is a perspective view of the state where the first cover is attached to the rear part of a housing. 図９の拡大図である。FIG. 9 is an enlarged view of FIG. 図１の拡大図である。It is an enlarged view of FIG.

コネクタは、電線の端末に端子金具が設けられた一又は複数本の端子付き電線と、ハウジング後部から端子金具が収容されるコネクタハウジングと、ハウジング後部に固定されるコネクタ後部カバーとを備えて構成される。コネクタ後部カバーは、コネクタ軸に直交する方向に沿って互いに係合し合う第一カバー及び第二カバーの二部材で構成される。第一カバー及び第二カバーは、ハウジング後部から引き出された電線を所定の曲げ位置で挟み込み且つ上記直交する方向に沿った曲げ方向に曲げるための挟み曲げ構造を有する。この挟み曲げ構造は、第一カバーの曲げ点規制部と、第二カバーの電線押圧部とを有して構成される。 The connector includes one or more electric wires with terminals provided with terminal fittings on the terminal of the electric wire, a connector housing in which the terminal fittings are housed from the rear of the housing, and a connector rear cover fixed to the rear of the housing. Will be done. The connector rear cover is composed of two members, a first cover and a second cover, which engage with each other along a direction orthogonal to the connector axis. The first cover and the second cover have a sandwich bending structure for sandwiching an electric wire drawn from the rear portion of the housing at a predetermined bending position and bending the electric wire in a bending direction along the orthogonal direction. This sandwiched bending structure includes a bending point restricting portion of the first cover and an electric wire pressing portion of the second cover.

以下、図面を参照しながら実施例を説明する。図１は本発明のコネクタ及びコネクタ後部カバーの一実施形態を示す斜視図である。また、図２は図１のＡ－Ａ線断面図、図３はコネクタの分解斜視図、図４はハウジング後部の拡大斜視図、図５及び図６は第一カバーの図、図７及び図８は第二カバーの図、図９は第一カバーをハウジング後部に組み付けた状態の斜視図、図１０は図９の拡大図、図１１は図１の拡大図である。尚、本実施例において、図１ないし図３に示す矢印Ｐを上下方向、矢印Ｑを左右方向、矢印Ｒを前後方向と定義するものとする。 Hereinafter, examples will be described with reference to the drawings. FIG. 1 is a perspective view showing an embodiment of the connector and the connector rear cover of the present invention. 2 is a sectional view taken along the line AA of FIG. 1, FIG. 3 is an exploded perspective view of the connector, FIG. 4 is an enlarged perspective view of the rear part of the housing, and FIGS. 5 and 6 are views of the first cover, FIGS. 7 and 7. 8 is a view of the second cover, FIG. 9 is a perspective view of the state where the first cover is assembled to the rear portion of the housing, FIG. 10 is an enlarged view of FIG. 9, and FIG. 11 is an enlarged view of FIG. In this embodiment, the arrow P shown in FIGS. 1 to 3 is defined as the vertical direction, the arrow Q is defined as the left-right direction, and the arrow R is defined as the front-back direction.

＜コネクタ１について＞
図１ないし図３において、引用符号１は電気的な接続に用いられるコネクタを示す。コネクタ１は、ワイヤハーネスを構成するハーネス本体の端末に設けられる。コネクタ１は、二本の端子付き電線２と、コネクタハウジング３と、コネクタ後部カバー４とを備えて構成される。コネクタ１は、図示しない相手コネクタと接続されるものである。また、コネクタ１は、雄形コネクタ、雌形コネクタのいずれか一方に形成されるものである。以下、上記の構成部材について説明をする。 <About connector 1>
In FIGS. 1 to 3, reference mark 1 indicates a connector used for electrical connection. The connector 1 is provided at the terminal of the harness body constituting the wire harness. The connector 1 includes two electric wires with terminals 2, a connector housing 3, and a connector rear cover 4. The connector 1 is connected to a mating connector (not shown). Further, the connector 1 is formed on either a male connector or a female connector. Hereinafter, the above-mentioned constituent members will be described.

＜端子付き電線２について＞
図１ないし図４において、端子付き電線２は、電線５と、図示しない端子金具と、同じく図示しない防水栓とを備えて構成される。本実施例の端子付き電線２は二本であるが、この本数は一例であるものとする。すなわち、二本に限らず一本や三本以上であってもよいものとする。電線５は、曲げ可能な柔軟性を有するものであって、導体と、この導体を被覆する絶縁体とを備えて構成される（低電圧用や高電圧用のいずれであってもよいものとする）。電線５は、所望の長さに形成される。上記導体は、銅や銅合金、或いはアルミニウムやアルミニウム合金により断面円形に形成される。導体に関しては、素線を撚り合わせてなる導体構造のものや、断面円形（丸形）になる棒状の導体構造のものの、いずれであってもよいものとする。以上のような導体は、この外面に絶縁性の樹脂材料からなる絶縁体が押出成形される。 <About electric wire 2 with terminals>
In FIGS. 1 to 4, the electric wire 2 with a terminal includes an electric wire 5, a terminal fitting (not shown), and a waterproof plug (not shown). The number of electric wires 2 with terminals in this embodiment is two, but this number is an example. That is, the number is not limited to two, but may be one or three or more. The electric wire 5 has bendability and is configured to include a conductor and an insulator covering the conductor (either for low voltage or high voltage). do). The electric wire 5 is formed to a desired length. The conductor is formed of copper or a copper alloy, or aluminum or an aluminum alloy with a circular cross section. The conductor may be either a conductor structure in which strands are twisted together or a rod-shaped conductor structure having a circular cross section (round shape). In the conductor as described above, an insulator made of an insulating resin material is extruded on the outer surface thereof.

絶縁体は、熱可塑性樹脂材料を用いて導体の外周面に押出成形される。絶縁体は、断面円形状の被覆として形成される。絶縁体は、所定の厚みを有して形成される。上記熱可塑性樹脂としては、公知の様々な種類のものが使用可能であり、例えばポリ塩化ビニル樹脂やポリエチレン樹脂、ポリプロピレン樹脂などの高分子材料から適宜選択される。以上のような電線５の端末には、公知の端子金具や防水栓（図示省略）が設けられる。端子金具は、電気接触部と、この電気接触部に連続する電線接続部とを有する。防水栓は、ゴム製のシール部材であって、電線５及びコネクタハウジング３に対しそれぞれ密着するように形成される。 The insulator is extruded onto the outer peripheral surface of the conductor using a thermoplastic resin material. The insulator is formed as a coating having a circular cross section. The insulator is formed with a predetermined thickness. As the thermoplastic resin, various known types can be used, and for example, a polymer material such as a polyvinyl chloride resin, a polyethylene resin, or a polypropylene resin is appropriately selected. The terminal of the electric wire 5 as described above is provided with known terminal fittings and a waterproof plug (not shown). The terminal fitting has an electric contact portion and a wire connecting portion continuous with the electric contact portion. The waterproof plug is a rubber sealing member, and is formed so as to be in close contact with the electric wire 5 and the connector housing 3, respectively.

＜コネクタハウジング３について＞
図１ないし図４において、コネクタハウジング３は、絶縁性を有する樹脂成形品であって、内側から見ると図示しない二つの端子収容室を有するように、また、外側から見るとコネクタ嵌合部６及びハウジング後部７を有するように形成される。二つの端子収容室は、二本の端子付き電線２における端子金具を収容保持する部分に形成される。二つの端子収容室は、コネクタ軸ＣＬに沿って真っ直ぐのびるように形成される。二つの端子収容室は、左右方向に横並びに配置される。端子金具は、ハウジング後部７から挿入されて端子収容室に収容される。端子収容室に収容保持された端子金具は、電気接触部の部分がコネクタ嵌合部６の側に配置される。コネクタ嵌合部６は、図示しない相手コネクタのコネクタハウジングとの嵌合部分としてフード状に形成される。ハウジング後部７は後側に配置される部分であって、コネクタ嵌合部６に対し連続するように形成される。 <About connector housing 3>
In FIGS. 1 to 4, the connector housing 3 is an insulating resin molded product so as to have two terminal accommodating chambers (not shown) when viewed from the inside, and the connector fitting portion 6 when viewed from the outside. And is formed to have a housing rear 7. The two terminal accommodating chambers are formed in a portion of the two electric wires with terminals 2 for accommodating and holding the terminal fittings. The two terminal accommodating chambers are formed so as to extend straight along the connector shaft CL. The two terminal accommodating chambers are arranged side by side in the left-right direction. The terminal fitting is inserted from the rear portion 7 of the housing and accommodated in the terminal accommodating chamber. In the terminal fittings housed and held in the terminal storage chamber, the portion of the electrical contact portion is arranged on the side of the connector fitting portion 6. The connector fitting portion 6 is formed in a hood shape as a fitting portion with a connector housing of a mating connector (not shown). The rear portion 7 of the housing is a portion arranged on the rear side and is formed so as to be continuous with the connector fitting portion 6.

＜ハウジング後部７について＞
図３及び図４において、ハウジング後部７は、この後部分（後端部分）から電線５が二本引き出されるように形成される。尚、上記後部分（後端部分）における引用符号８は電線引き出し部を示す。また、ハウジング後部７は、この下側部分が第一被挟持部９として形成され、上側部分が第二被挟持部１０として形成される。第一被挟持部９及び第二被挟持部１０は、コネクタ後部カバー４により図の上下方向から挟み込まれて保持される部分に形成される。ハウジング後部７の左右部分には、それぞれ柱状固定部１１が形成される。左右それぞれの柱状固定部１１は、上下方向に真っ直ぐのびる略四角柱の形状に形成される。柱状固定部１１は、上下方向からのコネクタ後部カバー４の挟み込みを許容し、且つ、後部カバー４の前後方向への移動を規制する部分に形成される。柱状固定部１１は、従来の係止突起のような形状でなく、単純な柱形状に形成される。尚、柱状固定部１１によりコネクタ後部カバー４の左右方向への移動も規制されるのは勿論である。 <About the rear 7 of the housing>
In FIGS. 3 and 4, the rear portion 7 of the housing is formed so that two electric wires 5 are drawn out from the rear portion (rear end portion). The quotation mark 8 in the rear portion (rear end portion) indicates a wire lead-out portion. Further, the lower portion of the housing rear portion 7 is formed as the first sandwiched portion 9, and the upper portion is formed as the second sandwiched portion 10. The first pinched portion 9 and the second pinched portion 10 are formed in portions that are sandwiched and held from the vertical direction in the figure by the connector rear cover 4. Columnar fixing portions 11 are formed on the left and right portions of the housing rear portion 7, respectively. The left and right columnar fixing portions 11 are formed in the shape of substantially square columns extending straight in the vertical direction. The columnar fixing portion 11 is formed in a portion that allows the connector rear cover 4 to be sandwiched from the vertical direction and restricts the movement of the rear cover 4 in the front-rear direction. The columnar fixing portion 11 is formed in a simple columnar shape, not in the shape of a conventional locking projection. Needless to say, the columnar fixing portion 11 also restricts the movement of the connector rear cover 4 in the left-right direction.

＜コネクタ後部カバー４について＞
図１ないし図３において、コネクタ後部カバー４は、コネクタハウジング３と同様に絶縁性を有する樹脂成形品であって、ハウジング後部７に固定される部材である。このようなコネクタ後部カバー４は、上下方向に沿って互いに係合し合う第一カバー１２及び第二カバー１３の二部材で構成される。コネクタ後部カバー４は、以下の説明で分かるようになるが、挟み曲げ構造１４、電線保持構造１５、固定構造１６、ガイド構造１７を有するように形成される。これら挟み曲げ構造１４、電線保持構造１５、固定構造１６、ガイド構造１７は、第一カバー１２及び第二カバー１３に跨る構造の部分として形成される。 <About the connector rear cover 4>
In FIGS. 1 to 3, the connector rear cover 4 is a resin molded product having an insulating property similar to that of the connector housing 3, and is a member fixed to the housing rear portion 7. Such a connector rear cover 4 is composed of two members, a first cover 12 and a second cover 13, which are engaged with each other in the vertical direction. As will be understood from the following description, the connector rear cover 4 is formed so as to have a sandwich bending structure 14, a wire holding structure 15, a fixing structure 16, and a guide structure 17. The sandwiched bending structure 14, the electric wire holding structure 15, the fixed structure 16, and the guide structure 17 are formed as a part of a structure straddling the first cover 12 and the second cover 13.

＜第一カバー１２について＞
図２、図３、図５、及び図６において、第一カバー１２は、下側に配置されるカバーであって、ハウジング後部７への固定の際に上方へ移動させて、第二カバー１３と係合することができるように形成される。第一カバー１２は、カバー中央部１８と、カバー左側部１９と、カバー右側部２０とを有して図示形状に形成される。また、第一カバー１２は、カバー前部２１が空間となるように形成される。 <About the first cover 12>
In FIGS. 2, 3, 5, and 6, the first cover 12 is a cover arranged on the lower side, and is moved upward when fixed to the rear portion 7 of the housing to be moved upward to the second cover 13. Formed to be able to engage with. The first cover 12 has a cover central portion 18, a cover left side portion 19, and a cover right side portion 20, and is formed in the illustrated shape. Further, the first cover 12 is formed so that the front portion 21 of the cover becomes a space.

カバー中央部１８は、ハウジング後部７の後部分（後端部分）に対し所定の間隔をあけて対向する壁状の部分に形成される。このような壁状のカバー中央部１８は、曲げ点規制部２２と、電線保持面２３とを有して図示形状に形成される。曲げ点規制部２２は、上記挟み曲げ構造１４を構成する部分として形成される。曲げ点規制部２２は、ハウジング後部７から引き出された二本の電線５の曲げ点を規制する部分に形成される。曲げ点規制部２２は、上記所定の間隔が電線５の曲げ点の位置を考慮して配置される。また、曲げ点規制部２２は、電線５が曲げられる際の曲率を考慮して曲面に形成される。曲げ点規制部２２は、上記曲面が左右方向に延在するように形成される。 The cover central portion 18 is formed in a wall-shaped portion facing the rear portion (rear end portion) of the housing rear portion 7 at a predetermined distance. Such a wall-shaped cover central portion 18 has a bending point restricting portion 22 and an electric wire holding surface 23, and is formed in the illustrated shape. The bending point regulating portion 22 is formed as a portion constituting the sandwiched bending structure 14. The bending point restricting portion 22 is formed at a portion that regulates the bending point of the two electric wires 5 drawn from the rear portion 7 of the housing. The bending point regulating portion 22 is arranged so that the predetermined spacing is considered in consideration of the position of the bending point of the electric wire 5. Further, the bending point regulating portion 22 is formed on a curved surface in consideration of the curvature when the electric wire 5 is bent. The bending point restricting portion 22 is formed so that the curved surface extends in the left-right direction.

電線保持面２３は、曲げ点規制部２２の上記曲面の下端に連続して下方に真っ直ぐ延在する面に形成される。電線保持面２３は、曲げられた二本の電線５が前側に（ハウジング後部７の側に）移動しないように規制する面に形成される。電線保持面２３は、上記電線保持構造１５を構成する部分として形成される。尚、本実施例においては後述するバンド固定部２７がカバー左側部１９に存在することから、電線保持面２３は左下側に延在するような図示形状に形成される。 The electric wire holding surface 23 is formed on a surface that extends straight downward continuously at the lower end of the curved surface of the bending point restricting portion 22. The wire holding surface 23 is formed on a surface that restricts the two bent wires 5 from moving forward (toward the rear 7 of the housing). The electric wire holding surface 23 is formed as a portion constituting the electric wire holding structure 15. In this embodiment, since the band fixing portion 27 described later is present on the left side portion 19 of the cover, the electric wire holding surface 23 is formed in a illustrated shape extending to the lower left side.

カバー左側部１９は、カバー中央部１８の左に連続する部分であって、柱係合凹部２４と、係合凸部２５と、左ガイド部２６と、バンド固定部２７とを有して図示形状に形成される。柱係合凹部２４は、ハウジング後部７の柱状固定部１１に係合する部分に形成される。具体的には、柱状固定部１１に対しこの下側から差し込まれるような凹状の部分に形成される。柱係合凹部２４は、カバー左側部１９の内面に配置される。また、柱係合凹部２４は、曲げ点規制部２２よりも前側に配置される。柱係合凹部２４の上端は、曲げ点規制部２２よりも上側の位置に配置される。係合凸部２５は、カバー左側部１９の外面で且つ上端に配置される。係合凸部２５は、第二カバー１３との係合部分として形成される。係合凸部２５は、本実施例において爪状となる突起形状に形成される。以上のような柱係合凹部２４及び係合凸部２５は、上記固定構造１６を構成する部分として形成される。 The left side portion 19 of the cover is a portion continuous to the left of the central portion 18 of the cover, and has a pillar engaging recess 24, an engaging convex portion 25, a left guide portion 26, and a band fixing portion 27. Formed into a shape. The column engaging recess 24 is formed in a portion that engages with the column fixing portion 11 of the rear portion 7 of the housing. Specifically, it is formed in a concave portion that is inserted from the lower side of the columnar fixing portion 11. The pillar engaging recess 24 is arranged on the inner surface of the left side portion 19 of the cover. Further, the column engaging recess 24 is arranged on the front side of the bending point restricting portion 22. The upper end of the column engaging recess 24 is arranged at a position above the bending point restricting portion 22. The engaging convex portion 25 is arranged on the outer surface and the upper end of the left side portion 19 of the cover. The engaging convex portion 25 is formed as an engaging portion with the second cover 13. The engaging convex portion 25 is formed in the shape of a claw-shaped protrusion in this embodiment. The column engaging recess 24 and the engaging convex portion 25 as described above are formed as portions constituting the fixed structure 16.

左ガイド部２６は、第二カバー１３との係合時にこの第二カバー１３をガイドする部分に形成される。左ガイド部２６は、上記ガイド構造１７を構成する部分として形成される。このような左ガイド部２６は、第二カバー１３の左右方向や前後方向の移動を規制する部分にも形成される。また、左ガイド部２６は、カバー左側部１９の引用符号２８で示す突出壁と一緒に、第二カバー１３の後述するカバー左側部３５をガイド・位置決めする部分にも形成される。左ガイド部２６は、突出壁２８との間に係合凸部２５があるように配置される。 The left guide portion 26 is formed in a portion that guides the second cover 13 when engaged with the second cover 13. The left guide portion 26 is formed as a portion constituting the guide structure 17. Such a left guide portion 26 is also formed in a portion that restricts the movement of the second cover 13 in the left-right direction and the front-back direction. Further, the left guide portion 26 is also formed in a portion of the second cover 13 for guiding and positioning the cover left portion 35, which will be described later, together with the protruding wall indicated by the quotation mark 28 of the cover left side portion 19. The left guide portion 26 is arranged so that the engaging convex portion 25 is provided between the left guide portion 26 and the protruding wall 28.

バンド固定部２７は、左ガイド部２６及び突出壁２８の下側に連続するように形成される。バンド固定部２７は、二本の電線５（又は二本のうちの一方の電線５）を図示しないバンド部材で固定するための部分に形成される。本実施例のバンド固定部２７は、公知の結束バンド（バンド部材）を差し込んで電線５に巻き付けることができるように形成される。尚、バンド固定部２７は、カバー右側部２０や第二カバー１３の後述するカバー後部３３に配置されてもよいものとする。 The band fixing portion 27 is formed so as to be continuous with the lower side of the left guide portion 26 and the protruding wall 28. The band fixing portion 27 is formed in a portion for fixing two electric wires 5 (or one of the two electric wires 5) with a band member (not shown). The band fixing portion 27 of this embodiment is formed so that a known binding band (band member) can be inserted and wound around the electric wire 5. The band fixing portion 27 may be arranged on the right side portion 20 of the cover or the rear portion 33 of the cover described later of the second cover 13.

カバー右側部２０は、カバー中央部１８の右に連続する部分であって、柱係合凹部２９と、係合凸部３０と、右ガイド部３１と、突出壁３２とを有して図示形状に形成される。柱係合凹部２９及び係合凸部３０は、上記カバー左側部１９の柱係合凹部２４及び係合凸部２５と同じ形状・機能に形成される。柱係合凹部２９は、カバー右側部２０の内面に配置され、係合凸部３０、右ガイド部３１及び突出壁３２は外面に配置される。右ガイド部３１は、カバー左側部１９の左ガイド部２６と比べて下側が短く形成される（形状は一例であり、機能自体は同じであるものとする）。また、突出壁３２もカバー左側部１９の突出壁２８と比べて若干形状が異なるように形成される（形状は一例であり、機能自体は同じであるものとする）。以上のようなカバー右側部２０における柱係合凹部２９及び係合凸部３０は、上記固定構造１６を構成する部分として形成される。また、右ガイド部２９は、上記ガイド構造１７を構成する部分として形成される。 The right side portion 20 of the cover is a portion continuous to the right of the central portion 18 of the cover, and has a pillar engaging recess 29, an engaging convex portion 30, a right guide portion 31, and a protruding wall 32. Is formed in. The pillar engaging recess 29 and the engaging convex portion 30 are formed in the same shape and function as the pillar engaging concave portion 24 and the engaging convex portion 25 of the cover left side portion 19. The pillar engaging recess 29 is arranged on the inner surface of the right side portion 20 of the cover, and the engaging convex portion 30, the right guide portion 31 and the protruding wall 32 are arranged on the outer surface. The lower side of the right guide portion 31 is formed shorter than that of the left guide portion 26 of the left side portion 19 of the cover (the shape is an example, and the function itself is the same). Further, the protruding wall 32 is also formed so as to have a slightly different shape from the protruding wall 28 on the left side portion 19 of the cover (the shape is an example, and the function itself is the same). The pillar engaging recess 29 and the engaging convex portion 30 in the right side portion 20 of the cover as described above are formed as portions constituting the fixed structure 16. Further, the right guide portion 29 is formed as a portion constituting the guide structure 17.

カバー前部２１は、ハウジング後部７の下側部分（第一被挟持部９）が差し込まれるような空間部分に形成される（一例であるものとする）。尚、以下で説明をする第二カバー１３の後述するカバー前部及びカバー中央部（符号省略）もハウジング後部７が差し込まれるような空間部分に形成されるものとする。 The cover front portion 21 is formed in a space portion into which the lower portion (first sandwiched portion 9) of the housing rear portion 7 is inserted (assuming it is an example). It should be noted that the cover front portion and the cover center portion (reference numeral omitted) described later of the second cover 13 described below are also formed in a space portion into which the housing rear portion 7 is inserted.

＜第二カバー１３について＞
図２、図３、図７、及び図８において、第二カバー１３は、上側に配置されるカバーであって、ハウジング後部７への固定の際に下方へ移動させて、第一カバー１２と係合することができるように形成される。第二カバー１３は、カバー後部３３と、カバー上部３４と、カバー左側部３５と、カバー右側部３６とを有して図示形状に形成される。また、第二カバー１３は、カバー前部及びカバー中央部（符号省略）が空間となるように形成される。 <About the second cover 13>
In FIGS. 2, 3, 7, and 8, the second cover 13 is a cover arranged on the upper side, and is moved downward when fixed to the rear portion 7 of the housing to be attached to the first cover 12. It is formed so that it can be engaged. The second cover 13 has a cover rear portion 33, a cover upper portion 34, a cover left side portion 35, and a cover right side portion 36, and is formed in the illustrated shape. Further, the second cover 13 is formed so that the front portion of the cover and the central portion of the cover (reference numeral omitted) are spaces.

カバー後部３３は、第一カバー１２のカバー中央部１８に対し間隔をあけて対向する壁状の部分に形成される。このような壁状のカバー後部３３は、電線押圧部３７と、電線保持面３８と、左ガイド部３９と、右ガイド部４０とを有して図示形状に形成される。電線押圧部３７は、上記挟み曲げ構造１４を構成する部分として形成される。電線押圧部３７は、ハウジング後部７から引き出された二本の電線５を曲げ方向（本実施例では下方向）に押圧する部分に形成される。電線押圧部３７は、電線５の曲げ点の位置に合わせて配置される。また、電線押圧部３７は、第一カバー１２の曲げ点規制部２２よりもハウジング後部７から離れた位置に配置される。電線押圧部３７は、本実施例においてカバー後部３３の下端に配置される。尚、カバー後部３３の下端の位置は、以下で説明する電線保持面３８の機能を考慮して設定されるものとする。電線押圧部３７（カバー後部３３の下端）は、左右方向に真っ直ぐ延在するように形成される。電線押圧部３７は、押圧する二本の電線５に対し引っ掛かりが生じないような形状に形成される。 The cover rear portion 33 is formed in a wall-shaped portion facing the cover central portion 18 of the first cover 12 at intervals. Such a wall-shaped cover rear portion 33 has an electric wire pressing portion 37, an electric wire holding surface 38, a left guide portion 39, and a right guide portion 40, and is formed in the illustrated shape. The electric wire pressing portion 37 is formed as a portion constituting the sandwiched bending structure 14. The electric wire pressing portion 37 is formed at a portion that presses the two electric wires 5 drawn from the rear portion 7 of the housing in the bending direction (downward in this embodiment). The electric wire pressing portion 37 is arranged according to the position of the bending point of the electric wire 5. Further, the electric wire pressing portion 37 is arranged at a position away from the rear portion 7 of the housing than the bending point restricting portion 22 of the first cover 12. The electric wire pressing portion 37 is arranged at the lower end of the cover rear portion 33 in this embodiment. The position of the lower end of the rear portion 33 of the cover shall be set in consideration of the function of the electric wire holding surface 38 described below. The electric wire pressing portion 37 (lower end of the cover rear portion 33) is formed so as to extend straight in the left-right direction. The electric wire pressing portion 37 is formed in a shape so as not to be caught by the two electric wires 5 to be pressed.

電線保持面３８は、第一カバー１２の電線保持面２３に対向する面に形成される。電線保持面３８は、上記電線保持構造１５を構成する面であって、第一カバー１２の電線保持面２３との間に、二本の電線５が所定の遊び空間を持って存在するように配置される。電線保持面３８は、曲げられた二本の電線５が後側に移動しないように規制する面に形成される。左ガイド部３９及び右ガイド部４０は、第一カバー１２との係合時にこの第一カバー１２にガイドされる部分であって、カバー後部３３の左右に配置される。左ガイド部３９及び右ガイド部４０は、上記ガイド構造１７を構成する部分として形成される。 The electric wire holding surface 38 is formed on the surface of the first cover 12 facing the electric wire holding surface 23. The electric wire holding surface 38 is a surface constituting the electric wire holding structure 15, so that the two electric wires 5 have a predetermined play space between the electric wire holding surface 23 and the electric wire holding surface 23 of the first cover 12. Be placed. The electric wire holding surface 38 is formed on a surface that restricts the two bent electric wires 5 from moving to the rear side. The left guide portion 39 and the right guide portion 40 are portions guided by the first cover 12 when engaged with the first cover 12, and are arranged on the left and right sides of the cover rear portion 33. The left guide portion 39 and the right guide portion 40 are formed as portions constituting the guide structure 17.

カバー上部３４は、ハウジング後部７の上側部分（第二被挟持部１０）に対し係合する壁状の部分に形成される。カバー上部３４は、ハウジング後部７を上下方向から挟み込む際の上側の壁部分として形成される。このようなカバー上部３４の内面は、一対の柱係合凹部４１、４２を有して図示形状に形成される。また、カバー上部３４の内面は、第二被挟持部１０に対する保持部分４３を有して図示形状に形成される。一対の柱係合凹部４１、４２は、ハウジング後部７の左右の柱状固定部１１に係合する部分に形成される。具体的には、柱状固定部１１に対しこの上側から差し込まれるような凹状の部分に形成される。一対の柱係合凹部４１、４２は、後述する一対の係合凹部４４、４５と共に上記固定構造１６を構成する部分として形成される。 The cover upper portion 34 is formed in a wall-shaped portion that engages with the upper portion (second sandwiched portion 10) of the housing rear portion 7. The cover upper portion 34 is formed as an upper wall portion when the housing rear portion 7 is sandwiched from above and below. The inner surface of such a cover upper portion 34 has a pair of pillar engaging recesses 41 and 42 and is formed in the illustrated shape. Further, the inner surface of the cover upper portion 34 has a holding portion 43 with respect to the second sandwiched portion 10 and is formed in the illustrated shape. The pair of pillar engaging recesses 41 and 42 are formed in portions that engage with the left and right columnar fixing portions 11 of the housing rear portion 7. Specifically, it is formed in a concave portion that is inserted from above the columnar fixing portion 11. The pair of column engaging recesses 41, 42 are formed as a portion constituting the fixed structure 16 together with the pair of engaging recesses 44, 45 described later.

カバー左側部３５及びカバー右側部３６は、カバー上部３４の左端及び右端に配置される。カバー左側部３５及びカバー右側部３６は、略長方形で垂下する形状に形成される。カバー左側部３５及びカバー右側部３６は、外側に若干撓み可能な片持ちアーム形状に形成される。このようなカバー左側部３５及びカバー右側部３６の内面には、係合凹部４４、４５が形成される。係合凹部４４、４５は、第一カバー１２の係合凸部２５及び係合凸部３０に係合する凹状の部分に形成される。カバー左側部３５及びカバー右側部３６の各先端（下端）は、第一カバー１２の係合凸部２５及び係合凸部３０に当接し、そして、これを乗り越えるようなテーパ形状の部分に形成される。 The cover left side portion 35 and the cover right side portion 36 are arranged at the left end and the right end of the cover upper portion 34. The left side portion 35 of the cover and the right side portion 36 of the cover are formed in a substantially rectangular shape and hangs down. The left side portion 35 of the cover and the right side portion 36 of the cover are formed in a cantilever shape that can be slightly bent outward. Engagement recesses 44 and 45 are formed on the inner surfaces of the cover left side portion 35 and the cover right side portion 36. The engaging recesses 44 and 45 are formed in the concave portions that engage with the engaging convex portions 25 and the engaging convex portions 30 of the first cover 12. Each tip (lower end) of the cover left side portion 35 and the cover right side portion 36 is formed in a tapered portion that abuts on and overcomes the engaging convex portion 25 and the engaging convex portion 30 of the first cover 12. Will be done.

＜挟み曲げ構造１４、電線保持構造１５、固定構造１６、ガイド構造１７について＞
図１ないし図８において、挟み曲げ構造１４は、ハウジング後部７から引き出された二本の電線５を所定の曲げ位置で挟み込み且つ本実施例では下方に曲げるための構造部分として備えられる。挟み曲げ構造１４は、第一カバー１２に形成されてハウジング後部７から引き出された二本の電線５の曲げ点を規制する曲げ点規制部２２と、第二カバー１３に形成されて曲げ点規制部２２よりもハウジング後部７から離れた位置で二本の電線５を下方に押圧する電線押圧部３７とを有するように構成される。挟み曲げ構造１４によれば、曲げ点規制部２２にて二本の電線５の曲げ点を規制することができ、また、電線押圧部３７にて二本の電線５を下方に押圧することができる。従って、作業者は手で電線５を曲げる必要がなく、そのため従来のような急激な曲げが電線５に生じることはない。 <About the sandwich bending structure 14, the wire holding structure 15, the fixed structure 16, and the guide structure 17>
In FIGS. 1 to 8, the sandwich bending structure 14 is provided as a structural portion for sandwiching two electric wires 5 drawn from the rear portion 7 of the housing at predetermined bending positions and bending downward in the present embodiment. The sandwiched bending structure 14 is formed in a bending point regulating portion 22 formed on the first cover 12 to regulate the bending points of the two electric wires 5 drawn from the rear portion 7 of the housing, and is formed on the second cover 13 to regulate the bending points. It is configured to have an electric wire pressing portion 37 that presses the two electric wires 5 downward at a position farther from the housing rear portion 7 than the portion 22. According to the sandwiched bending structure 14, the bending point regulating portion 22 can regulate the bending points of the two electric wires 5, and the electric wire pressing portion 37 can press the two electric wires 5 downward. can. Therefore, the operator does not need to bend the electric wire 5 by hand, so that the conventional sharp bending does not occur in the electric wire 5.

電線保持構造１５は、下方に曲げた後の二本の電線５を間に配置して対向し合う壁状の部分であって、第一カバー１２の電線保持面２３及び第二カバー１３の電線保持面３８を含んで構成される。第一カバー１２及び第二カバー１３が電線保持構造１５を有することから、曲げた後の二本の電線５を保持することができ、以て電線５の曲げ状態を安定させることができる。 The electric wire holding structure 15 is a wall-shaped portion in which two electric wires 5 after being bent downward are arranged between them and face each other, and the electric wire holding surface 23 of the first cover 12 and the electric wire of the second cover 13 are opposed to each other. It is configured to include a holding surface 38. Since the first cover 12 and the second cover 13 have the electric wire holding structure 15, it is possible to hold the two electric wires 5 after bending, and thus the bent state of the electric wire 5 can be stabilized.

固定構造１６によれば、ハウジング後部７に対し第一カバー１２及び第二カバー１３が挟み込むだけの構造になり、所謂ロックや嵌め合いとなる構造は第一カバー１２及び第二カバー１３に形成される。すなわち、係合凸部２５、３０及び係合凹部４４、４５として形成されることから、ハウジング後部７の構造を簡素化することができる。また、ガイド構造１７によれば、第一カバー１２及び第二カバー１３が、左ガイド部２６及び３９と、右ガイド部３１及び４０とで互いにガイドし合う構造になることから、ハウジング後部７に対する挟み込みや第一カバー１２及び第二カバー１３同士の係合をスムーズに行うことができる。 According to the fixed structure 16, the first cover 12 and the second cover 13 are only sandwiched between the rear portion 7 of the housing, and the so-called locking and fitting structures are formed in the first cover 12 and the second cover 13. The cover. That is, since it is formed as the engaging convex portions 25, 30 and the engaging concave portions 44, 45, the structure of the housing rear portion 7 can be simplified. Further, according to the guide structure 17, since the first cover 12 and the second cover 13 have a structure in which the left guide portions 26 and 39 and the right guide portions 31 and 40 guide each other, the rear portion 7 of the housing is provided. It is possible to smoothly perform sandwiching and engagement between the first cover 12 and the second cover 13.

＜ハウジング後部７に対するコネクタ後部カバー４の固定について＞
図３において、ここからはハウジング後部７に対するコネクタ後部カバー４の固定について説明をする。図３に示すように、ハウジング後部７の電線引き出し部８からは、二本の電線５がコネクタ軸ＣＬに沿って後方に真っ直ぐのびる。このような状態において、先ずハウジング後部７の下側に第一カバー１２を配置するとともに、上側に第二カバー１３を配置する。次に、第一カバー１２を上方に移動させて、図９及び図１０に示すように第一カバー１２をハウジング後部７の下側部分（第一被挟持部９）に合わせて係合させる。尚、本実施例においては、左右の柱状固定部１１に第一カバー１２の柱係合凹部２４、２９が差し込まれることで、ハウジング後部７に対する第一カバー１２の係合が完了する。ハウジング後部７に対する第一カバー１２の係合が完了すると、電線引き出し部８から所定の位置に第一カバー１２の曲げ点規制部２２が配置される。曲げ点規制部２２は、後方に真っ直ぐのびた二本の電線５に対し接するような（又は近接するような）位置に配置される。 <About fixing the connector rear cover 4 to the housing rear 7>
In FIG. 3, the fixing of the connector rear cover 4 to the housing rear portion 7 will be described from here. As shown in FIG. 3, two electric wires 5 extend straight rearward along the connector shaft CL from the electric wire drawing portion 8 of the rear portion 7 of the housing. In such a state, first, the first cover 12 is arranged on the lower side of the rear portion 7 of the housing, and the second cover 13 is arranged on the upper side. Next, the first cover 12 is moved upward so that the first cover 12 is aligned with and engaged with the lower portion (first sandwiched portion 9) of the rear portion 7 of the housing as shown in FIGS. 9 and 10. In this embodiment, the engagement of the first cover 12 with the rear portion 7 of the housing is completed by inserting the pillar engaging recesses 24 and 29 of the first cover 12 into the left and right columnar fixing portions 11. When the engagement of the first cover 12 with the rear portion 7 of the housing is completed, the bending point restricting portion 22 of the first cover 12 is arranged at a predetermined position from the wire drawing portion 8. The bending point regulating portion 22 is arranged at a position where it comes into contact with (or is close to) the two electric wires 5 extending straight rearward.

ハウジング後部７に対する第一カバー１２の係合が完了すると、次に第二カバー１３を下方に移動させて、図１１及び図１に示すように第二カバー１３をハウジング後部７の上側部分（第二被挟持部１０）に係合させる。この時、第二カバー１３の電線押圧部３７が二本の電線５を押圧する。そのため、二本の電線５は下方に曲げられる。そして、曲げられた二本の電線５は、第一カバー１２の電線保持面２３と第二カバー１３の電線保持面３８との間に挟み込まれて保持される。第二カバー１３は、ハウジング後部７の柱状固定部１１に対しこの上側から柱係合凹部４１、４２が差し込まれ、この後に第二カバー１３の係合凹部４４、４５が第一カバー１２の係合凸部２５及び係合凸部３０に係合すると、ハウジング後部７に対するコネクタ後部カバー４の固定が完了する。 When the engagement of the first cover 12 with the rear portion 7 of the housing is completed, the second cover 13 is then moved downward, and the second cover 13 is moved to the upper portion (second) of the rear portion 7 of the housing as shown in FIGS. 11 and 1. (2) Engage with the sandwiched portion 10). At this time, the electric wire pressing portion 37 of the second cover 13 presses the two electric wires 5. Therefore, the two electric wires 5 are bent downward. Then, the two bent electric wires 5 are sandwiched and held between the electric wire holding surface 23 of the first cover 12 and the electric wire holding surface 38 of the second cover 13. In the second cover 13, the column engaging recesses 41 and 42 are inserted into the columnar fixing portion 11 of the rear portion 7 of the housing from above, and then the engaging recesses 44 and 45 of the second cover 13 engage with the first cover 12. When engaged with the joint convex portion 25 and the engaging convex portion 30, the fixing of the connector rear cover 4 to the housing rear portion 7 is completed.

＜効果について＞
以上、図１ないし図１１を参照しながら説明してきたように、本発明の一実施形態であるコネクタ１及びコネクタ後部カバー４によれば、端子金具や防水栓に負荷がかからないように二本の電線５の曲げをすることができるという効果を奏する。 <About the effect>
As described above with reference to FIGS. 1 to 11, according to the connector 1 and the connector rear cover 4 according to the embodiment of the present invention, two wires are provided so that the terminal fittings and the waterproof plug are not loaded. It has the effect of being able to bend the electric wire 5.

本発明は本発明の主旨を変えない範囲で種々変更実施可能なことは勿論である。 It goes without saying that the present invention can be modified in various ways without changing the gist of the present invention.

ＣＬ…コネクタ軸、 １…コネクタ、 ２…端子付き電線、 ３…コネクタハウジング、 ４…コネクタ後部カバー、 ５…電線、 ６…コネクタ嵌合部、 ７…ハウジング後部、 ８…電線引き出し部、 ９…第一被挟持部、 １０…第二被挟持部、 １１…柱状固定部、 １２…第一カバー、 １３…第二カバー、 １４…挟み曲げ構造、 １５…電線保持構造、 １６…固定構造、 １７…ガイド構造、 １８…カバー中央部、 １９…カバー左側部、 ２０…カバー右側部、 ２１…カバー前部、 ２２…曲げ点規制部、 ２３…電線保持面、 ２４…柱係合凹部、 ２５…係合凸部、 ２６…左ガイド部、 ２７…バンド固定部、 ２８…突出壁、 ２９…柱係合凹部、 ３０…係合凸部、 ３１…右ガイド部、 ３２…突出壁、 ３３…カバー後部、 ３４…カバー上部、 ３５…カバー左側部、 ３６…カバー右側部、 ３７…電線押圧部、 ３８…電線保持面、 ３９…左ガイド部、 ４０…右ガイド部、 ４１、４２…柱係合凹部、 ４３…保持部分、 ４４、４５…係合凹部
CL ... Connector shaft, 1 ... Connector, 2 ... Wire with terminal, 3 ... Connector housing, 4 ... Connector rear cover, 5 ... Wire, 6 ... Connector fitting part, 7 ... Housing rear, 8 ... Wire lead part, 9 ... 1st pinched part, 10 ... 2nd pinched part, 11 ... Columnar fixed part, 12 ... 1st cover, 13 ... 2nd cover, 14 ... sandwiched bending structure, 15 ... Wire holding structure, 16 ... Fixed structure, 17 ... Guide structure, 18 ... Central part of cover, 19 ... Left side of cover, 20 ... Right side of cover, 21 ... Front part of cover, 22 ... Bending point regulation part, 23 ... Wire holding surface, 24 ... Pillar engagement recess, 25 ... Engagement convex part, 26 ... Left guide part, 27 ... Band fixing part, 28 ... Protruding wall, 29 ... Pillar engaging concave part, 30 ... Engaging convex part, 31 ... Right guide part, 32 ... Protruding wall, 33 ... Cover Rear, 34 ... Upper part of cover, 35 ... Left side of cover, 36 ... Right side of cover, 37 ... Wire pressing part, 38 ... Wire holding surface, 39 ... Left guide part, 40 ... Right guide part, 41, 42 ... Pillar engagement Recess, 43 ... Holding part, 44, 45 ... Engaging recess

Claims (8)

電線の端末に端子金具が設けられた一又は複数本の端子付き電線と、ハウジング後部から前記端子金具が収容されるコネクタハウジングと、前記ハウジング後部に固定されるコネクタ後部カバーとを備え、
該コネクタ後部カバーは、コネクタ軸に直交する方向に沿って互いに係合し合う第一カバー及び第二カバーの二部材で構成され、
該二部材となる前記第一カバー及び前記第二カバーは、前記ハウジング後部から引き出された前記電線を所定の曲げ位置で挟み込み且つ前記直交する方向に沿った曲げ方向に曲げるための挟み曲げ構造を有する
ことを特徴とするコネクタ。 It is provided with one or more electric wires with terminals provided with terminal fittings on the terminal of the electric wire, a connector housing in which the terminal fittings are housed from the rear of the housing, and a connector rear cover fixed to the rear of the housing.
The connector rear cover is composed of two members, a first cover and a second cover, which engage with each other along a direction orthogonal to the connector axis.
The first cover and the second cover, which are the two members, have a sandwich bending structure for sandwiching the electric wire drawn from the rear part of the housing at a predetermined bending position and bending in a bending direction along the orthogonal direction. A connector characterized by having. 請求項１に記載のコネクタにおいて、
前記挟み曲げ構造は、前記第一カバーに形成されて前記ハウジング後部から引き出された前記電線の曲げ点を規制する曲げ点規制部と、前記第二カバーに形成されて前記曲げ点規制部よりも前記ハウジング後部から離れた位置で前記電線を前記曲げ方向に押圧する電線押圧部とを有する
ことを特徴とするコネクタ。 In the connector according to claim 1,
The sandwiched bending structure includes a bending point regulating portion formed on the first cover and restricting a bending point of the electric wire pulled out from the rear portion of the housing, and a bending point regulating portion formed on the second cover and regulating the bending point. A connector characterized by having an electric wire pressing portion that presses the electric wire in the bending direction at a position away from the rear portion of the housing. 請求項２に記載のコネクタにおいて、
前記第一カバー及び前記第二カバーは、前記曲げ方向に曲げた後の前記電線を間に配置して対向し合う壁状の電線保持構造を有する
ことを特徴とするコネクタ。 In the connector according to claim 2,
The first cover and the second cover are connectors having a wall-shaped electric wire holding structure in which the electric wires after being bent in the bending direction are arranged between them and face each other. 請求項３に記載のコネクタにおいて、
前記第一カバー及び前記第二カバーは、これらのいずれか一方に前記電線をバンド部材にて固定するためのバンド固定部を有する
ことを特徴とするコネクタ。 In the connector according to claim 3,
The first cover and the second cover are connectors having a band fixing portion for fixing the electric wire with a band member on any one of them. 請求項１、２、３又は４に記載のコネクタにおいて、
前記第一カバー及び前記第二カバーは、前記ハウジング後部を挟み込んだ状態で係合し合う固定構造を有する
ことを特徴とするコネクタ。 In the connector according to claim 1, 2, 3 or 4.
The first cover and the second cover are connectors having a fixing structure in which the rear portion of the housing is sandwiched and engaged with each other. 請求項５に記載のコネクタにおいて、
前記第一カバー及び前記第二カバーは、互いにガイドし合うガイド構造を有する
ことを特徴とするコネクタ。 In the connector according to claim 5,
The first cover and the second cover are connectors having a guide structure that guides each other. 請求項１、２、３、４、５又は６に記載のコネクタにおいて、
前記端子付き電線は、前記電線及び前記コネクタハウジングにそれぞれ密着する防水栓を有する
ことを特徴とするコネクタ。 In the connector according to claim 1, 2, 3, 4, 5 or 6,
The electric wire with a terminal is a connector characterized by having a waterproof plug that is in close contact with the electric wire and the connector housing, respectively. 電線の端末に端子金具が設けられた一又は複数本の端子付き電線における前記端子金具が収容されたコネクタハウジングのハウジング後部に対し固定されるものとして、コネクタ軸に直交する方向に沿って互いに係合し合う第一カバー及び第二カバーの二部材で構成され、
該二部材となる前記第一カバー及び前記第二カバーは、前記ハウジング後部から引き出された前記電線を所定の曲げ位置で挟み込み且つ前記直交する方向に沿った曲げ方向に曲げるための挟み曲げ構造を有する
ことを特徴とするコネクタ後部カバー。
In one or more electric wires with terminals provided with terminal fittings at the ends of the electric wires, the terminal fittings are fixed to the rear of the housing of the connector housing in which the terminal fittings are housed, and are engaged with each other along a direction orthogonal to the connector axis. It consists of two parts, a first cover and a second cover that are combined.
The first cover and the second cover, which are the two members, have a sandwich bending structure for sandwiching the electric wire drawn from the rear part of the housing at a predetermined bending position and bending in a bending direction along the orthogonal direction. Connector rear cover characterized by having.
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Citations (4)

* Cited by examiner, † Cited by third party
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JPS6455574U (en) * 1987-09-29 1989-04-06
JP2006244766A (en) * 2005-03-01 2006-09-14 Sumitomo Wiring Syst Ltd Connector and wire cover
JP2010225320A (en) * 2009-03-19 2010-10-07 Sumitomo Wiring Syst Ltd Connector
JP2013134961A (en) * 2011-12-27 2013-07-08 Yazaki Corp Connector with electric wire cover

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Publication number Priority date Publication date Assignee Title
JPS6455574A (en) * 1987-08-26 1989-03-02 Konishiroku Photo Ind Developing device
JP3180014B2 (en) * 1996-01-22 2001-06-25 矢崎総業株式会社 connector
JP3681576B2 (en) 1999-06-02 2005-08-10 矢崎総業株式会社 Connector cover mounting structure
DE20008145U1 (en) * 2000-05-05 2000-07-27 Grote & Hartmann Electrical connector housing
DE202014010869U1 (en) * 2014-07-17 2016-12-14 Phoenix Contact Gmbh & Co. Kg Electrical connector part

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6455574U (en) * 1987-09-29 1989-04-06
JP2006244766A (en) * 2005-03-01 2006-09-14 Sumitomo Wiring Syst Ltd Connector and wire cover
JP2010225320A (en) * 2009-03-19 2010-10-07 Sumitomo Wiring Syst Ltd Connector
JP2013134961A (en) * 2011-12-27 2013-07-08 Yazaki Corp Connector with electric wire cover

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