JP2011090881A - Mounting structure of electric wire cover - Google Patents

Mounting structure of electric wire cover Download PDF

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JP2011090881A
JP2011090881A JP2009243445A JP2009243445A JP2011090881A JP 2011090881 A JP2011090881 A JP 2011090881A JP 2009243445 A JP2009243445 A JP 2009243445A JP 2009243445 A JP2009243445 A JP 2009243445A JP 2011090881 A JP2011090881 A JP 2011090881A
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Prior art keywords
electric wire
connector housing
lock
lock arm
lever
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JP2009243445A
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JP5403806B2 (en
Inventor
Kenji Suzuki
謙志 鈴木
Kazuhide Iketani
一英 池谷
Kohei Wachi
鉱平 和知
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Yazaki Corp
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Yazaki Corp
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Priority to JP2009243445A priority Critical patent/JP5403806B2/en
Priority to EP10776834.3A priority patent/EP2491624B1/en
Priority to BR112012000086A priority patent/BR112012000086A2/en
Priority to CN201080047207.4A priority patent/CN102576960B/en
Priority to PCT/JP2010/069227 priority patent/WO2011049242A1/en
Publication of JP2011090881A publication Critical patent/JP2011090881A/en
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Publication of JP5403806B2 publication Critical patent/JP5403806B2/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
    • H01R13/46—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
    • H01R13/62—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
    • H01R13/62938—Pivoting lever comprising own camming 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
    • H01R13/633—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances for disengagement only
    • H01R13/635—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances for disengagement only by mechanical pressure, e.g. spring force
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • H01R43/26—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for engaging or disengaging the two parts of a coupling device
    • 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
    • H01R13/5025—Bases; Cases composed of different pieces one or more pieces being of resilient material
    • 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
    • H01R13/567—Traverse cable outlet or wire connection
    • 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
    • H01R13/627—Snap or like fastening
    • H01R13/6271—Latching means integral with the housing
    • H01R13/6273—Latching means integral with the housing comprising two latching arms
    • 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

Abstract

<P>PROBLEM TO BE SOLVED: To enable to prevent breakage of a lock arm by regulating excessive deflection of the lock arm at the time of unlocking operation. <P>SOLUTION: In a mounting structure of the electric wire cover 50 on a wire extraction part (equivalent to mat seal cover 40) of a connector housing 10A, a lock arm 45 which engages with a lock part 55a on the electric wire cover side is installed at the side wall 42a of the wire extraction part. The lock arm is constructed to allow engagement and disengagement with the lock part by deflecting and deforming to the outside once when engaging or disengaging with the lock part on the electric cover side. On the other hand, a lever 20 which is held at a prescribed temporary locking position before connector insertion engagement is installed at the connector housing, and an excessive displacement regulating part 22a which regulates excessive deflection to the outside direction of the lock arm when the lever is held in a temporary locking position is installed in the lever. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

本発明は、コネクタハウジングの後部の電線引出部から引き出された電線の束を保護しつつ該電線の束を所定の方向へ誘導するための電線カバーの装着構造に関するものである。   The present invention relates to an electric wire cover mounting structure for guiding a bundle of electric wires in a predetermined direction while protecting the bundle of electric wires drawn out from an electric wire extraction portion at the rear portion of a connector housing.

特許文献１に従来の電線カバーの装着構造の例が提示されている。
この従来の電線カバーの装着構造においては、コネクタハウジングの電線引出部にロック突起が設けられると共に、電線カバー側に、コネクタハウジング側のロック突起と係合するロックアームが設けられており、電線カバーを装着したときに、ロックアームがロック突起と衝合することで、一旦外方に撓み変形してロック突起の通過を許容し、ロック突起の通過した後でロックアームが撓みから復帰することにより、ロックアームとロック突起が係合して、電線カバーが装着位置にロックされるようになっている。 Patent Document 1 provides an example of a conventional wire cover mounting structure.
In this conventional wire cover mounting structure, a lock protrusion is provided on the wire lead-out portion of the connector housing, and a lock arm that engages with the lock protrusion on the connector housing side is provided on the wire cover side. When the lock arm is engaged, the lock arm collides with the lock protrusion, so that the lock arm is once bent and deformed to allow the lock protrusion to pass, and after the lock protrusion has passed, the lock arm returns from the bend. The lock arm and the lock projection are engaged so that the wire cover is locked at the mounting position.

特開平９−２１９２４５号公報JP-A-9-219245

ところで、このロック状態を解除する場合には、ロックアームの自由端に治具を差し込み、ロックアームを強制的に外側に撓ませながら、電線カバーを引き移動して、ロック突起をロックアームと係合する位置から抜き取る操作が必要であるが、その際に、治具の操作によりロックアームを過剰に撓ませてしまい、ロックアームを破損する懸念があった。   By the way, when releasing this locked state, insert a jig into the free end of the lock arm, pull the wire cover while forcibly bending the lock arm outward, and engage the lock protrusion with the lock arm. Although an operation of extracting from the mating position is necessary, there is a concern that the lock arm is excessively bent by the operation of the jig and the lock arm is damaged.

本発明は、上述した事情に鑑みてなされたものであり、その目的は、ロック解除操作時のロックアームの過度の撓みを規制して、ロックアームの破損を未然に防ぐことができるようにした電線カバーの装着構造を提供することにある。   The present invention has been made in view of the above-described circumstances, and an object of the present invention is to prevent the lock arm from being damaged by restricting excessive bending of the lock arm during the unlocking operation. The object is to provide a mounting structure for an electric wire cover.

前述した目的を達成するために、本発明に係る電線カバーの装着構造は、下記（１）〜（２）を特徴としている。
（１） コネクタハウジングの後部の電線引出部に、該電線引出部から引き出された電線を覆う電線カバーが着脱自在に装着された電線カバーの装着構造であって、
前記電線引出部の側壁に、前記電線カバー側のロック部と係合することで、前記電線カバーを装着位置にロックするロックアームが設けられ、
該ロックアームは、前記電線カバー側のロック部と係合するとき及び係合を解除するときに、一旦前記側壁に交差する外側方向へ撓み変形することにより、前記ロック部との係合および係合解除を許容するものとして構成され、
一方、前記コネクタハウジングには、相手側コネクタハウジングと嵌合するときに回動操作されることで、両コネクタハウジングの嵌合を行い、嵌合前に所定の仮係止位置に保持されるレバーが設けられ、
前記レバーに、該レバーが前記仮係止位置に保持されているときに、前記ロックアームに近接して該ロックアームの外側方向への過度の撓みを規制する過大変位規制部が設けられていること。
（２） 上記（１）の構成の電線カバーの装着構造において、
前記レバーは、前記コネクタハウジングの両外側面を挟むように対向配置されて前記コネクタハウジングの両外側面に設けた回転支点に回動自在に連結された一対の側板部と、該一対の側板部を連結する連結アーム部とを備える略Ｕ字状をなし、前記コネクタハウジングを相手側コネクタハウジングと嵌合するときに、後方に倒れた前記仮係止位置から前方へ向けて回動操作されるものであり、該レバーの前記連結アーム部の内面に前記過大変位規制部が設けられていること。 In order to achieve the above-described object, the wire cover mounting structure according to the present invention is characterized by the following (1) to (2).
(1) An electric wire cover mounting structure in which an electric wire cover that covers an electric wire drawn from the electric wire drawing portion is detachably attached to the electric wire drawing portion at the rear of the connector housing,
A lock arm that locks the electric wire cover in a mounting position by engaging with a lock portion on the electric wire cover side is provided on the side wall of the electric wire drawing portion,
When the lock arm is engaged with or released from the lock portion on the electric wire cover side, the lock arm is once bent and deformed outwardly intersecting the side wall, thereby engaging with and engaging with the lock portion. It is configured to allow unlocking,
On the other hand, the connector housing is operated to rotate when mated with the mating connector housing, so that both the connector housings are fitted, and the lever is held in a predetermined temporary locking position before the fitting. Is provided,
The lever is provided with an excessive displacement restricting portion that restricts excessive bending of the lock arm toward the outer side in the vicinity of the lock arm when the lever is held at the temporary locking position. Being.
(2) In the mounting structure of the electric wire cover configured as described in (1) above,
The lever includes a pair of side plate portions that are opposed to each other so as to sandwich both outer side surfaces of the connector housing and are rotatably connected to rotation fulcrums provided on both outer side surfaces of the connector housing, and the pair of side plate portions. And a connecting arm portion for connecting the connector housing, and when the connector housing is fitted to the mating connector housing, the connector housing is rotated forward from the temporary locking position that has fallen backward. The over-displacement restricting portion is provided on the inner surface of the connecting arm portion of the lever.

上記（１）の構成の電線カバーの装着構造によれば、レバーに過大変位規制部を設けているので、ロックの解除操作時に、ロックアームが外側へ過度に撓むのを防止することができ、ロックアームの破損を防止することができる。
上記（２）の構成の電線カバーの装着構造によれば、レバーの目立たない箇所（連結アーム部の内面）に僅かの工夫（過大変位規制部）を設けるだけで、ロックアームの過大変位を防止できるので、取り扱い作業時の信頼性を高めることができる。 According to the mounting structure of the electric wire cover having the configuration (1), the lever is provided with the excessive displacement restricting portion, so that it is possible to prevent the lock arm from being excessively bent outward during the unlocking operation. It is possible to prevent the lock arm from being damaged.
According to the mounting structure of the electric wire cover having the configuration (2) above, an excessive displacement of the lock arm can be achieved only by providing a slight contrivance (excessive displacement restricting portion) at an inconspicuous portion of the lever (inner surface of the connecting arm portion). Therefore, reliability during handling can be improved.

本発明によれば、ロック解除操作時のロックアームの過度の撓みを規制して、ロックアームの破損を未然に防ぐことができる。   According to the present invention, it is possible to prevent the lock arm from being damaged by restricting excessive bending of the lock arm during the unlocking operation.

以上、本発明について簡潔に説明した。更に、以下に説明される発明を実施するための形態を添付の図面を参照して通読することにより、本発明の詳細は更に明確化されるであろう。   The present invention has been briefly described above. Further, details of the present invention will be further clarified by reading the embodiments for carrying out the invention described below with reference to the accompanying drawings.

本発明の実施形態の電線カバーの装着構造が適用されたコネクタユニットの前側から見た分解斜視図である。It is the disassembled perspective view seen from the front side of the connector unit to which the mounting structure of the electric wire cover of the embodiment of the present invention was applied. 同コネクタユニットの後側から見た分解斜視図である。It is the disassembled perspective view seen from the rear side of the connector unit. 同コネクタユニットの途中組立状態を示す側面図である。It is a side view which shows the assembly state in the middle of the connector unit. 同コネクタユニットの全体組立状態を示す側断面図であり、マットシールカバーと電線カバーのロック部分の構成とレバーの関係が分かる断面図である。It is a sectional side view which shows the whole assembly state of the connector unit, and is sectional drawing which understands the structure of the lock part of a mat | matte seal cover and an electric wire cover, and the relationship of a lever. マットシールカバー側のロックアームと電線カバーのロック部の係合を解除するために、ロックアームを外側に撓ませたとき、レバーの過大変位規制部がロックアームの過度の撓みを防止している状態を示す側面図とその要部の拡大図である。To release the engagement between the lock arm on the mat seal cover side and the lock part of the wire cover, when the lock arm is bent outward, the excessive displacement restricting part of the lever prevents excessive bending of the lock arm. It is the side view which shows the state which exists, and the enlarged view of the principal part. 本実施形態に対する比較例として、レバーに過大変位規制部が設けられていない場合を示す、図５と同様の図であって、強制的な解除操作時にロックアームが過大に撓んでいる状態を示す側面図とその要部の拡大図である。FIG. 6 is a view similar to FIG. 5 showing a case where the lever is not provided with an excessive displacement restricting portion as a comparative example with respect to the present embodiment, and shows a state where the lock arm is excessively bent during a forced release operation. It is the side view to show, and the enlarged view of the principal part.

以下、本発明の各実施形態を図面を参照して説明する。   Embodiments of the present invention will be described below with reference to the drawings.

図１は実施形態の電線カバーの装着構造が適用されたコネクタユニットの前側から見た分解斜視図、図２は同コネクタユニットの後側から見た分解斜視図、図３は同コネクタユニットの途中組立状態を示す側面図、図４は同コネクタユニットの全体組立状態を示す側断面図であり、マットシールカバーと電線カバーのロック部分の構成とレバーの関係が分かる断面図、図５はマットシールカバー側のロックアームと電線カバーのロック部の係合を解除するために、ロックアームを外側に撓ませたとき、レバーの過大変位規制部がロックアームの過度の撓みを防止している状態を示す側面図とその要部の拡大図である。   FIG. 1 is an exploded perspective view as seen from the front side of a connector unit to which the wire cover mounting structure of the embodiment is applied, FIG. 2 is an exploded perspective view as seen from the rear side of the connector unit, and FIG. FIG. 4 is a side sectional view showing an entire assembled state of the connector unit. FIG. 5 is a sectional view showing the structure of the mat seal cover and the lock portion of the wire cover and the relationship between the levers, and FIG. When the lock arm is bent outward to release the engagement between the lock arm on the cover side and the lock part of the wire cover, the excessive displacement restricting part of the lever prevents the lock arm from being excessively bent. FIG.

図１及び図２に分解して示す、本実施形態の電線カバーの装着構造が適用されたコネクタユニットは、合成樹脂の成形品よりなるコネクタハウジング１０Ａの中に多数の端子（図示略）を収容して構成した多芯型のコネクタ１０と、コネクタハウジング１０Ａの外側に回動可能に装着されて、コネクタ１０を図示略の相手側のコネクタと嵌合する際に、矢印Ａ方向に回動操作されることで、てこの原理により、小さな回動操作力で大きな嵌合力を生じさせて、両コネクタの嵌合をスムーズに行わせる合成樹脂の成形品よりなるレバー２０と、コネクタハウジング１０Ａの後部に嵌め込まれて、コネクタハウジング１０Ａに収容した各端子から延びる電線とコネクタハウジング１０Ａとの隙間をシールするゴム製または柔軟樹脂製のマットシール３０と、コネクタハウジング１０Ａの後部に嵌合固定されて、マットシール３０を後側から押圧しつつ脱落防止する合成樹脂製のマットシールカバー（後述するように、このマットシールカバー４０がコネクタの電線引出部に相当する部分となる）４０と、マットシールカバー４０に装着されて、該マットシールカバー４０の後側から引き出された電線の束を保護しつつ該電線の束を所定の方向へ誘導するための合成樹脂の成形品よりなる電線カバー５０と、からなる。   The connector unit to which the wire cover mounting structure of the present embodiment shown in exploded view in FIGS. 1 and 2 accommodates a large number of terminals (not shown) in a connector housing 10A made of a synthetic resin molded product. The multi-core connector 10 configured as described above and a connector housing 10A are rotatably mounted on the outside of the connector housing 10A, and are rotated in the direction of arrow A when the connector 10 is fitted to a connector on the other side (not shown). Thus, the lever 20 made of a synthetic resin molded product that generates a large fitting force with a small rotational operation force and smoothly fits both connectors and the rear portion of the connector housing 10A by the lever principle. A mat or mat made of rubber or flexible resin that seals the gap between the electric wire extending from each terminal accommodated in the connector housing 10A and the connector housing 10A. And a mat seal cover made of synthetic resin that is fitted and fixed to the rear portion of the connector housing 10A and prevents the mat seal 30 from falling off while pressing the mat seal 30 from the rear side. 40, which is a portion corresponding to the lead-out portion) and the mat seal cover 40, and guides the bundle of electric wires in a predetermined direction while protecting the bundle of electric wires drawn out from the rear side of the mat seal cover 40 An electric wire cover 50 made of a synthetic resin molded product.

コネクタハウジング１０Ａは、図１に示すように、内周側のコネクタ主体部１１と、その外周側のフード部１２と、後端の筒壁部１３とを有する。フード部１２は、相手コネクタのコネクタハウジングの嵌合筒壁の外周に嵌合する部分、コネクタ主体部１１は、相手コネクタのコネクタハウジングの嵌合筒壁の内周に嵌合する部分であり、図３に示すように、フード部１２の後端は、コネクタ主体部１１の後端及び筒壁部１３の前端に結合されている。また、フード部１２の上部には、レバー２０のレバーロック２２ｃとロックするロック機構１４が設けられている。また、コネクタハウジング１０Ａのコネクタ主体部１１の前部にはフロントホルダ１８が装着され、コネクタ主体部１１の前後方向の中間部の空間には、端子の抜け防止用のサイドスペーサ１９が装着されている。   As shown in FIG. 1, the connector housing 10 </ b> A includes an inner peripheral connector main body portion 11, an outer peripheral side hood portion 12, and a rear end cylindrical wall portion 13. The hood part 12 is a part that fits to the outer periphery of the fitting cylindrical wall of the connector housing of the mating connector, and the connector main part 11 is a part that fits to the inner circumference of the fitting cylindrical wall of the connector housing of the mating connector. As shown in FIG. 3, the rear end of the hood portion 12 is coupled to the rear end of the connector main body portion 11 and the front end of the cylindrical wall portion 13. A lock mechanism 14 that locks with the lever lock 22 c of the lever 20 is provided on the upper portion of the hood portion 12. Further, a front holder 18 is attached to the front portion of the connector main body 11 of the connector housing 10A, and a side spacer 19 for preventing terminal detachment is attached to a space in the middle of the connector main body 11 in the front-rear direction. Yes.

図１に示すように、レバー２０は、左右一対の側板部２１と、それら側板部２１を連結する連結アーム部２２とを有する略Ｕ字状のもので、コネクタハウジング１０Ａのフード部１２の両外側面に突設したボス１６に、図３に示すように、側板部２１に形成した取付孔２６を嵌めることで、コネクタハウジング１０Ａの上側に、回動可能に設けられており、相手コネクタとの嵌合前は、図示の斜め後方に倒れた状態の仮係止位置に保持されている。   As shown in FIG. 1, the lever 20 has a substantially U-shape having a pair of left and right side plate portions 21 and a connecting arm portion 22 that connects the side plate portions 21, and both the hood portions 12 of the connector housing 10 </ b> A. As shown in FIG. 3, the mounting hole 26 formed in the side plate portion 21 is fitted to the boss 16 projecting on the outer side surface, so that the boss 16 is rotatably provided on the upper side of the connector housing 10A. Prior to the fitting, it is held at the temporary locking position in the state of being tilted obliquely backward in the drawing.

この場合の仮係止手段は、図示しないが、レバー２０の側板部２１の内面とコネクタハウジング１０Ａの外側面との間に、例えば互いに干渉する突起の形で設けられており、コネクタ嵌合前に、レバー２０を一定の保持力で仮係止位置に保持しておくことができ、且つ、その保持力を越えた力で操作することにより仮係止状態を解消して、レバー２０の回動を許容できるように構成されている。   The temporary locking means in this case is provided between the inner surface of the side plate portion 21 of the lever 20 and the outer surface of the connector housing 10A, for example, in the form of protrusions that interfere with each other before being fitted to the connector. In addition, the lever 20 can be held at the temporary locking position with a constant holding force, and the temporary locking state can be canceled by operating with a force exceeding the holding force, and the lever 20 can be rotated. It is configured to allow movement.

そして、コネクタ嵌合の際には、仮係止位置にレバー２０を保持した状態で、相手コネクタのハウジングに突設した凸部（図示略）を、レバー２０の側板部２１の周縁とコネクタハウジング１０Ａのフード部１２の前端に設けた入口２７、１７からカム溝２５の一端に受け入れた状態で、レバー２０を図１中の矢印Ａ方向に回動させることにより、カム溝２５の作用によって、カム溝２５に沿ってスライドする凸部を介して、相手コネクタを、当該コネクタ１０側に引き込んで、両コネクタを嵌合させることができるようになっている。   When the connector is fitted, the convex portion (not shown) protruding from the housing of the mating connector is connected to the peripheral edge of the side plate portion 21 of the lever 20 and the connector housing while the lever 20 is held at the temporary locking position. By rotating the lever 20 in the direction of the arrow A in FIG. 1 while being received at one end of the cam groove 25 from the inlets 27, 17 provided at the front end of the hood portion 12 of 10A, The mating connector is pulled into the connector 10 side through a convex portion that slides along the cam groove 25 so that both connectors can be fitted.

図２及び図４に示すように、コネクタハウジング１０Ａの後部に設けられた筒壁部１３は、後面が開放し、背面から見た形状が略四角形のもので、その内部の空間１３ａがマットシール３０を収容する空間になっている。筒壁部１３の互いに対向する上壁部分と下壁部分の外周には、マットシールカバー４０をロックするための複数のロック凸部１５が設けられている。   As shown in FIGS. 2 and 4, the cylindrical wall portion 13 provided at the rear portion of the connector housing 10 </ b> A has an open rear surface and a substantially quadrangular shape when viewed from the rear surface, and a space 13 a inside thereof is a mat seal. It is a space that accommodates 30. A plurality of locking projections 15 for locking the mat seal cover 40 are provided on the outer periphery of the upper wall portion and the lower wall portion of the cylindrical wall portion 13 that face each other.

マットシールカバー４０は、図１及び図２に示すように、コネクタハウジング１０Ａの筒壁部１３の外周に嵌まる筒状周壁４１と、筒壁部１３の内側の空間１３ａに前半部分が嵌まることで、マットシール３０を前方に向けて押圧支持する肉厚の押圧面板部４２と、筒状周壁４１の後端縁と押圧面板部４２の前後方向の中間部分の外周とを結合することで、押圧面板部４２の前半部分と筒状周壁４１との間に、コネクタハウジング１０Ａの筒壁部１３の後端が挿入される環状溝４６を確保する連結壁部４４と、を有するものである。押圧面板部４２には、電線をそれぞれ引き出すために各端子の位置に対応して配された多数の電線引出孔が設けられている。また、筒状周壁４１の上壁部分と下壁部分には、マットシールカバー４０をコネクタハウジング１０Ａの筒壁部１３に組み付けた際に、コネクタハウジング１０Ａ側のロック凸部１５に係合するロック部４３が設けられている。このマットシールカバー４０をコネクタハウジング１０Ａの後部に装着した際には、このマットシールカバー４０の後面から後方に電線が引き出されることになるので、マットシールカバー４０がコネクタ１０の電線引出部に相当する部分となる。   As shown in FIGS. 1 and 2, the mat seal cover 40 has a first half portion fitted in a cylindrical peripheral wall 41 that fits on the outer periphery of the cylindrical wall portion 13 of the connector housing 10 </ b> A and a space 13 a inside the cylindrical wall portion 13. By connecting the thick pressing surface plate portion 42 that presses and supports the mat seal 30 forward, the rear end edge of the cylindrical peripheral wall 41 and the outer periphery of the intermediate portion in the front-rear direction of the pressing surface plate portion 42. And a connecting wall portion 44 that secures an annular groove 46 into which the rear end of the cylindrical wall portion 13 of the connector housing 10A is inserted between the front half portion of the pressing face plate portion 42 and the cylindrical peripheral wall 41. . The pressing face plate portion 42 is provided with a number of electric wire extraction holes arranged corresponding to the positions of the terminals in order to draw out the electric wires. Further, a lock that engages with the lock projection 15 on the connector housing 10A side when the mat seal cover 40 is assembled to the cylinder wall portion 13 of the connector housing 10A on the upper wall portion and the lower wall portion of the cylindrical peripheral wall 41. A portion 43 is provided. When the mat seal cover 40 is attached to the rear portion of the connector housing 10A, the electric wire is drawn backward from the rear surface of the mat seal cover 40, so the mat seal cover 40 corresponds to the electric wire extraction portion of the connector 10. It becomes a part to do.

本実施形態では、このマットシールカバー（電線引出部に相当する）４０に電線カバー５０が装着固定されるようになっており、マットシールカバー４０の筒状周壁４１の上壁部と下壁部の後端縁の一部に、連結壁部４４から切り離された状態で、電線カバー５０をロックするための帯板状のロックアーム（ロック手段）４５が突設されている。   In the present embodiment, the electric wire cover 50 is attached and fixed to the mat seal cover (corresponding to the electric wire drawing portion) 40, and the upper wall portion and the lower wall portion of the cylindrical peripheral wall 41 of the mat seal cover 40. A band plate-like lock arm (locking means) 45 for locking the electric wire cover 50 in a state of being separated from the connecting wall portion 44 is protruded from a part of the rear end edge.

このロックアーム４５は、基端４５ａが筒状周壁４１に一体に結合されると共に、自由端である先端４５ｂが、押圧面板部４２の後半部分の外周面４２ａに沿って後方へ延ばされて、押圧面板部４２の後半部分の外周面４２ａと交差する内方及び外方に撓み可能とされており、その自由端である先端４５ｂの内面には、電線カバー５０の側壁５１ａに設けられたロック部５５ａと係合する係合凸部４５ｃが設けられている。また、係合凸部４５ｃの先端面には、電線カバー５０側のロック部５５ａの挿入を容易にする斜面４５ｄが設けられている。   The lock arm 45 has a base end 45 a integrally coupled to the cylindrical peripheral wall 41, and a distal end 45 b that is a free end is extended rearward along the outer peripheral surface 42 a of the rear half portion of the pressing surface plate portion 42. The inner surface of the tip 45b, which is the free end, is provided on the side wall 51a of the electric wire cover 50. An engagement convex portion 45c that engages with the lock portion 55a is provided. In addition, a slope 45d that facilitates insertion of the lock portion 55a on the electric wire cover 50 side is provided on the distal end surface of the engaging convex portion 45c.

また、マットシールカバー４０の筒状周壁４１上の、ロックアーム４５の基端４５ａが連結された部分の、ロックアーム４５の幅方向両側の位置には、筒状周壁４１の後端縁からロックアーム４５を切り離すことで、ロックアーム４５の実質的な撓み部分の長さを延長して、ロックアーム４５を撓みやすくする一対の第１スリット４５ｅが設けられている。   In addition, the portion where the base end 45a of the lock arm 45 is connected on the cylindrical peripheral wall 41 of the mat seal cover 40 is locked from the rear end edge of the cylindrical peripheral wall 41 at positions on both sides in the width direction of the lock arm 45. A pair of first slits 45e are provided to extend the length of the substantial bending portion of the lock arm 45 by separating the arm 45, and to make the lock arm 45 easy to bend.

これら一対の第１スリット４５ｅは、筒状周壁４１の後端縁から、筒状周壁４１の後端縁と前端縁の中間位置まで切り込み形成されており、それにより、ロックアーム４５が、それら第１スリット４５ｅの切り込み方向の奥端付近の位置を支点にして外方に撓み可能とされている。このように構成されたロックアーム４５は、押圧面板部４２の外周面４２ａのうち上下に対向する外壁面（互いに対向する一対の側壁に相当）に位置している。   The pair of first slits 45e are formed by cutting from the rear end edge of the cylindrical peripheral wall 41 to an intermediate position between the rear end edge and the front end edge of the cylindrical peripheral wall 41. The position near the back end in the cutting direction of one slit 45e can be bent outward. The lock arm 45 configured as described above is positioned on the outer wall surface (corresponding to a pair of side walls facing each other) of the outer peripheral surface 42a of the pressing surface plate portion 42 in the vertical direction.

また、このロックアーム４５に対応させて、図４及び図５に示すように、レバー２０の連結アーム部２２の内側面には、レバー２０が仮係止位置に保持されているときに、ロックアーム４５に近接して該ロックアーム４５の外側方向への過度の撓みを規制する過大変位規制部２２ａが設けられている。これは、ロックアーム４５の係合解除時に、ロックアーム４５の先端に治具２００の先端を差し込んでロックアーム４５を強制的に外側に撓ませるのであるが、そのときに過度にロックアーム４５が撓むのを阻止するためのものである。   Further, as shown in FIGS. 4 and 5, the inner surface of the connecting arm portion 22 of the lever 20 is locked when the lever 20 is held at the temporary locking position in correspondence with the lock arm 45. An excessive displacement restricting portion 22 a that restricts excessive bending of the lock arm 45 toward the outside in the vicinity of the arm 45 is provided. This is because when the lock arm 45 is disengaged, the tip of the jig 200 is inserted into the tip of the lock arm 45 to forcibly bend the lock arm 45 outward. This is to prevent bending.

一方、図１に示すように、電線カバー５０は、内部に電線を誘導するための空間を持つ略半筒形状のもので、上下一対の側壁５１ａを有した半筒状（断面Ｕ字状）の主カバー部５１と、その半筒状の主カバー部５１の一端側を塞ぐように設けられた端壁部（他の側壁に相当）５２と、半筒状の主カバー部５１の他端に延設されて電線の引き出し方向を案内する半筒状の電線ガイド部５３とを備えている。電線ガイド部５３は、主カバー部５１に受け入れた電線の束を、主カバー部５１の側方へ湾曲させつつ誘導する部分であり、その長さ方向の端部には、電線結束バンドの通し孔５４が設けられている。   On the other hand, as shown in FIG. 1, the electric wire cover 50 has a substantially semi-cylindrical shape having a space for guiding an electric wire therein, and has a semi-cylindrical shape (a U-shaped cross section) having a pair of upper and lower side walls 51a. Main cover portion 51, an end wall portion (corresponding to another side wall) 52 provided to close one end side of the semi-cylindrical main cover portion 51, and the other end of the semi-cylindrical main cover portion 51 And a semi-cylindrical wire guide portion 53 that guides the direction of drawing out the wire. The wire guide portion 53 is a portion that guides the bundle of wires received in the main cover portion 51 while curving it to the side of the main cover portion 51, and the end of the length direction passes through the wire binding band. A hole 54 is provided.

また、主カバー部５１の上下の両側壁５１ａには、マットシールカバー４０に電線カバー５０を装着した際にマットシールカバー４０と連結するための幅広のロック板５５が設けられており、このロック板５５の電線ガイド部５３側に、マットシールカバー４０側のロックアーム４５と係合するロック部５５ａが設けられている。また、ロック板５５の電線ガイド部５３側と反対側の部分は、マットシールカバー４０の押圧面板部４２の上下の外周面にロックアーム４５と並べて設けられた開き止め部（開き止め手段）４８に差し込まれる差し込み部（開き止め手段）５５ｂとなっている。   The upper and lower side walls 51a of the main cover 51 are provided with wide lock plates 55 for connecting to the mat seal cover 40 when the wire cover 50 is attached to the mat seal cover 40. A lock portion 55 a that engages with the lock arm 45 on the mat seal cover 40 side is provided on the electric wire guide portion 53 side of the plate 55. Further, the portion of the lock plate 55 opposite to the electric wire guide portion 53 side is an opening prevention portion (opening prevention means) 48 provided side by side with the lock arm 45 on the upper and lower outer peripheral surfaces of the pressing surface plate portion 42 of the mat seal cover 40. It becomes the insertion part (opening stop means) 55b inserted in.

ここで、図４に示すように、電線カバー５０の主カバー部５１の上下一対の両側壁５１ａの間隔Ｈ２は、マットシールカバー４０の押圧面板部４２の上下の外周面（側壁）４２ａ間の幅よりも開き気味になっており、電線カバー５０を装着する際に多数の電線を拾いやすくなっている。また、上下一対のロック板５５も、側壁５１ａの開き具合に伴って、マットシールカバー４０の上下のロックアーム４５の間隔よりも開き気味になっており、そのままではロックアーム４５にロック部５５ａを係合しにくいので、一対のロック板５５の間隔を狭めながら差し込み部５５ｂを開き止め部４８に差し込むことにより、ロック板５５の間隔を狭めた寸法に保ちながら、ロック部５５ａをロックアーム４５に係合させることができるようになっている。   Here, as shown in FIG. 4, the distance H2 between the pair of upper and lower side walls 51a of the main cover portion 51 of the wire cover 50 is between the upper and lower outer peripheral surfaces (side walls) 42a of the pressing surface plate portion 42 of the mat seal cover 40. It is more open than the width, and it is easy to pick up a large number of wires when the wire cover 50 is attached. Further, the pair of upper and lower lock plates 55 are also more open than the distance between the upper and lower lock arms 45 of the mat seal cover 40 as the side wall 51a is opened. Since the engagement is difficult, the insertion portion 55b is inserted into the opening stop portion 48 while the interval between the pair of lock plates 55 is narrowed, so that the lock portion 55a is attached to the lock arm 45 while the interval between the lock plates 55 is kept narrow. It can be engaged.

なお、このロック部５５ａは、電線カバー５０の装着時に、ロックアーム４５の係止凸部４５ｃと衝合することで、ロックアーム４５を外方に押し開きながら（外方に撓ませながら）進み、係止凸部４５ｃを越えた段階でロックアーム４５が初期の内方位置に弾性復帰することでロックアーム４５の係合凸部４５ｃと係合して、それにより、電線カバー５０の装着方向と逆方向への移動を規制する機能を果たす部分である。   The lock portion 55a advances while pushing and opening the lock arm 45 outward (bending outward) by abutting with the locking projection 45c of the lock arm 45 when the electric wire cover 50 is attached. When the lock arm 45 is elastically returned to the initial inward position after the locking projection 45c, the lock projection 45c is engaged with the engagement projection 45c of the lock arm 45. This is the part that functions to regulate movement in the opposite direction.

また、前述したレバー２０の過大変位規制部２２ａは、このようにロックアーム４５がロック板５５の差し込みによって撓むときには、ロックアーム４５の撓みを十分に許容できる位置に配置されている。   Further, the excessive displacement restricting portion 22a of the lever 20 described above is disposed at a position where the bending of the lock arm 45 can be sufficiently allowed when the lock arm 45 is bent by the insertion of the lock plate 55 as described above.

また、図２に示すように、マットシールカバー４０側の開き止め部４８は、押圧面板部４２の上下の外周面に対し所定の隙間を持って対向するように連結壁部４４から庇状に延設された押え板部４８ａと、その一端を押圧面板部４２の外周面に連結することで、押え板部４８ａを補強する補強壁部４８ｂとからなり、電線カバー５０のロック板５５を差し込む後方正面から見ると略Ｌ字状をなしている。   Further, as shown in FIG. 2, the opening preventing portion 48 on the mat seal cover 40 side is formed in a hook shape from the connecting wall portion 44 so as to face the upper and lower outer peripheral surfaces of the pressing face plate portion 42 with a predetermined gap. The extending presser plate portion 48a and one end of the presser plate portion 42 are connected to the outer peripheral surface of the press face plate portion 42 to thereby reinforce the presser plate portion 48a, and the lock plate 55 of the electric wire cover 50 is inserted. When viewed from the rear front, it is substantially L-shaped.

また、図１に示すように、電線カバー５０の端壁部（他の側壁に相当）５２の先端と、それに対応するマットシールカバー４０の押圧面板部４２の左右片方の外周面（他の側壁に相当）には、電線カバー５０を装着する際に互いに係合して装着の際の回動支点となる係合部（係合手段）５２ａ、４７がそれぞれ設けられている。従って、開き止め手段である開き止め部４８及び差し込み部５５ｂは、ロック手段であるロックアーム４５及びロック部５５ａよりも係合部５２ａ、４７に近い位置に位置しており、電線カバー５０を回動させてマットシールカバー４０に装着する際に、ロック部５５ａとロックアーム４５が掛かり合うよりも先に、差し込み部５５ｂが開き止め部４８に差し込みを開始するようになっている。   Moreover, as shown in FIG. 1, the front-end | tip of the end wall part (equivalent to another side wall) 52 of the electric wire cover 50, and the outer peripheral surface (other side wall) of the right-and-left one side of the press surface board part 42 of the mat seal cover 40 corresponding to it. Are provided with engaging portions (engaging means) 52a and 47 that are engaged with each other when the electric wire cover 50 is attached and serve as pivotal fulcrums when the electric wire cover 50 is attached. Accordingly, the opening preventing portion 48 and the insertion portion 55b that are the opening preventing means are located closer to the engaging portions 52a and 47 than the lock arm 45 and the locking portion 55a that are the locking means, and the electric wire cover 50 is rotated. When it is moved and attached to the mat seal cover 40, the insertion portion 55b starts to be inserted into the opening preventing portion 48 before the lock portion 55a and the lock arm 45 are engaged.

次に作用を説明する。
図１及び図２に示すコネクタユニットを組み立てる場合は、コネクタ１０を構成するコネクタハウジング１０Ａにレバー２０を組み付け、コネクタハウジング１０Ａの後部の筒壁部１３の内周側にマットシール３０を嵌め込んで、マットシール３０を押圧しながら、マットシールカバー４０をコネクタハウジング１０Ａの後部に装着固定する（図４参照）。この際、マットシールカバー４０のロック部４３がコネクタハウジング１０Ａ側のロック凸部１５に係合することで、マットシールカバー４０がコネクタハウジング１０Ａに固定される。この状態において、マットシールカバー４０の押圧面板部４２の電線引出孔から後方へ多数の電線が引き出された形になる。 Next, the operation will be described.
When assembling the connector unit shown in FIGS. 1 and 2, the lever 20 is assembled to the connector housing 10 </ b> A constituting the connector 10, and the mat seal 30 is fitted on the inner peripheral side of the cylindrical wall portion 13 at the rear of the connector housing 10 </ b> A. The mat seal cover 40 is mounted and fixed to the rear portion of the connector housing 10A while pressing the mat seal 30 (see FIG. 4). At this time, the mat seal cover 40 is fixed to the connector housing 10A by engaging the lock portion 43 of the mat seal cover 40 with the lock projection 15 on the connector housing 10A side. In this state, a large number of electric wires are drawn backward from the electric wire extraction holes of the pressing face plate portion 42 of the mat seal cover 40.

次に、電線カバー５０の端壁部５２の係合部５２ａをマットシールカバー４０の側面の係合部４７に係合させ、マットシールカバー４０の後方に引き出されている電線を内側の空間に入るように拾いながら、係合部５２ａ、４７同士の係合箇所を支点にして、電線カバー５０をマットシールカバー４０側に回動させる。その際、最初は電線カバー５０の両側壁５１ａを自由な状態で開き気味に保ったまま、電線Ｗを漏れなく拾い集める。全部の電線Ｗを拾えたら、外側から側壁５１ａに内方へ向けての押圧力を加えながら、徐々に両側壁５１ａの間隔を狭めて行き、その状態のままロック板５５の差し込み部５５ｂを、マットシールカバー４０開き止め部４８に差し込む。   Next, the engaging portion 52a of the end wall portion 52 of the electric wire cover 50 is engaged with the engaging portion 47 on the side surface of the mat seal cover 40, and the electric wire drawn out rearward of the mat seal cover 40 is placed in the inner space. While picking it up, the electric wire cover 50 is rotated to the mat seal cover 40 side with the engaging portion 52a, 47 as the fulcrum. At that time, first, the electric wires W are picked up without leaking while the both side walls 51a of the electric wire cover 50 are kept open in a free state. When all the electric wires W have been picked up, the gap between the side walls 51a is gradually narrowed while applying an inward pressing force to the side wall 51a from the outside. The mat seal cover 40 is inserted into the opening stopper 48.

その状態で更に電線カバー５０を回動させると、電線カバー５０のロック部５５ａがロックアーム４５の先端に掛かり、ロックアーム４５を外側に撓ませながら、更に電線カバー５０を回動させると、電線カバー５０がマットシールカバー４０に適正に装着された段階で、図４に示すように、ロック部５５ａがロックアーム４５の係合凸部４５ｃに係合し、電線カバー５０が脱落しないようにロックされる。   When the electric wire cover 50 is further rotated in this state, the lock portion 55a of the electric wire cover 50 is hooked on the tip of the lock arm 45, and the electric wire cover 50 is further rotated while the lock arm 45 is bent outward. When the cover 50 is properly attached to the mat seal cover 40, as shown in FIG. 4, the lock portion 55a is engaged with the engagement convex portion 45c of the lock arm 45, and the electric wire cover 50 is locked so as not to drop off. Is done.

次に電線カバー５０を取り外すために、マットシールカバー４０側のロックアーム４５と電線カバー５０側の係合を解除する場合は、図５に示すように、ロックアーム４５の先端４５ｂに治具２００を差し込んで、ロックアーム４５を外側に強制的に撓ませ、その状態で電線カバー５０を装着方向と逆方向に引き移動する。   Next, in order to release the electric wire cover 50, when the engagement between the lock arm 45 on the mat seal cover 40 side and the electric wire cover 50 side is released, as shown in FIG. Then, the lock arm 45 is forcibly bent outward, and the electric wire cover 50 is pulled and moved in the direction opposite to the mounting direction in this state.

その際、手探りで治具２００を操作すると、ロックアーム４５を過大に外側に撓ませてロックアーム４５を破損してしまうおそれがある。その点、本実施形態では、レバー２０の連結アーム部２２に過大変位規制部２２ａを設けており、ロックアーム４５が外側に過大に撓もうとした際にロックアーム４５と干渉することになるので、ロックアーム４５の過大な撓みを防ぐことができる。   At this time, if the jig 200 is operated by groping, the lock arm 45 may be excessively bent outward and the lock arm 45 may be damaged. In that respect, in the present embodiment, the excessive displacement restricting portion 22a is provided in the connecting arm portion 22 of the lever 20, and when the lock arm 45 attempts to bend excessively outward, it interferes with the lock arm 45. Thus, excessive bending of the lock arm 45 can be prevented.

因みに、過大変位規制部２２ａがなかった場合は、図６に示すように、間違って強く治具２００をロックアーム４５の内側に差し込むと、ロックアーム４５が過大に外に撓んでしまうことが考えられる。本実施形態では、そのような事態を回避でき、ロックアーム４５を保護することができる。しかも、その過大変位規制部２２ａを、ちょうど仮係止位置にあるときにロックアーム４５に近接するレバー２０に設けたので、簡単な工夫を付け加えるだけで、ロックアーム４５の信頼性を高めることができる。   Incidentally, when there is no excessive displacement restricting portion 22a, as shown in FIG. 6, if the jig 200 is accidentally strongly inserted into the lock arm 45, the lock arm 45 may be excessively bent outward. Conceivable. In this embodiment, such a situation can be avoided and the lock arm 45 can be protected. Moreover, since the excessive displacement restricting portion 22a is provided on the lever 20 close to the lock arm 45 when it is just in the temporary locking position, the reliability of the lock arm 45 can be improved only by adding a simple device. Can do.

なお、本発明は、上述した実施形態に限定されるものではなく、適宜、変形、改良、等が可能である。その他、上述した実施形態における各構成要素の材質、形状、寸法、数、配置箇所、等は本発明を達成できるものであれば任意であり、限定されない。例えば、本実施形態では、レバー２０の連結アーム部２２に過大変位規制部２２ａを設けるようにしたが、ロックアーム４５の回動軌跡上にレバー２０の連結アーム部２２の内面が位置するように、レバー２０の回動軌跡を設定するようにしてもよい。   In addition, this invention is not limited to embodiment mentioned above, A deformation | transformation, improvement, etc. are possible suitably. In addition, the material, shape, dimensions, number, arrangement location, and the like of each component in the above-described embodiment are arbitrary and are not limited as long as the present invention can be achieved. For example, in the present embodiment, the excessive displacement restricting portion 22 a is provided on the connecting arm portion 22 of the lever 20, but the inner surface of the connecting arm portion 22 of the lever 20 is positioned on the rotation trajectory of the lock arm 45. In addition, the turning locus of the lever 20 may be set.

また、上記各実施形態では、コネクタの後部に装着したマットシールカバーと電線カバーの間に本発明を適用した場合を説明したが、マットシールカバーを使用しない場合には、コネクタハウジングの電線引出部と電線カバーの間に本発明を適用することもできる。   In each of the above embodiments, the case where the present invention is applied between the mat seal cover and the wire cover attached to the rear portion of the connector has been described. However, when the mat seal cover is not used, the wire lead-out portion of the connector housing is used. The present invention can also be applied between the wire cover and the wire cover.

１０Ａ コネクタハウジング
２０ レバー
２１ 側板部
２２ 連結アーム部
２２ａ 過大変位規制部
４０ マットシールカバー（電線引出部）
４２ａ 押圧面板部の外周面（側壁）
４５ ロックアーム
５０ 電線カバー
５５ａ ロック部 10A connector housing 20 lever 21 side plate part 22 connecting arm part 22a excessive displacement restricting part 40 mat seal cover (wire drawing part)
42a Outer peripheral surface (side wall) of pressing face plate
45 Lock arm 50 Electric wire cover 55a Lock part

Claims (2)

コネクタハウジングの後部の電線引出部に、該電線引出部から引き出された電線を覆う電線カバーが着脱自在に装着された電線カバーの装着構造であって、
前記電線引出部の側壁に、前記電線カバー側のロック部と係合することで、前記電線カバーを装着位置にロックするロックアームが設けられ、
該ロックアームは、前記電線カバー側のロック部と係合するとき及び係合を解除するときに、一旦前記側壁に交差する外側方向へ撓み変形することにより、前記ロック部との係合および係合解除を許容するものとして構成され、
一方、前記コネクタハウジングには、相手側コネクタハウジングと嵌合するときに回動操作されることで、両コネクタハウジングの嵌合を行い、嵌合前に所定の仮係止位置に保持されるレバーが設けられ、
前記レバーに、該レバーが前記仮係止位置に保持されているときに、前記ロックアームに近接して該ロックアームの外側方向への過度の撓みを規制する過大変位規制部が設けられていることを特徴とする電線カバーの装着構造。 An electric wire cover mounting structure in which an electric wire cover covering the electric wire drawn out from the electric wire extraction portion is detachably attached to the electric wire extraction portion at the rear of the connector housing,
A lock arm that locks the electric wire cover in a mounting position by engaging with a lock portion on the electric wire cover side is provided on the side wall of the electric wire drawing portion,
When the lock arm is engaged with or released from the lock portion on the electric wire cover side, the lock arm is once bent and deformed outwardly intersecting the side wall, thereby engaging with and engaging with the lock portion. It is configured to allow unlocking,
On the other hand, the connector housing is operated to rotate when mated with the mating connector housing, so that both the connector housings are fitted, and the lever is held in a predetermined temporary locking position before the fitting. Is provided,
The lever is provided with an excessive displacement restricting portion that restricts excessive bending of the lock arm toward the outer side in the vicinity of the lock arm when the lever is held at the temporary locking position. An electric wire cover mounting structure. 前記レバーは、前記コネクタハウジングの両外側面を挟むように対向配置されて前記コネクタハウジングの両外側面に設けた回転支点に回動自在に連結された一対の側板部と、該一対の側板部を連結する連結アーム部とを備える略Ｕ字状をなし、前記コネクタハウジングを相手側コネクタハウジングと嵌合するときに、後方に倒れた前記仮係止位置から前方へ向けて回動操作されるものであり、該レバーの前記連結アーム部の内面に前記過大変位規制部が設けられていることを特徴とする請求項１に記載の電線カバーの装着構造。   The lever includes a pair of side plate portions that are opposed to each other so as to sandwich both outer side surfaces of the connector housing and are rotatably connected to rotation fulcrums provided on both outer side surfaces of the connector housing, and the pair of side plate portions. And a connecting arm portion for connecting the connector housing, and when the connector housing is fitted to the mating connector housing, the connector housing is rotated forward from the temporary locking position that has fallen backward. The wire cover mounting structure according to claim 1, wherein the excessive displacement restricting portion is provided on an inner surface of the connecting arm portion of the lever.
JP2009243445A 2009-10-22 2009-10-22 Wire cover mounting structure Expired - Fee Related JP5403806B2 (en)

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EP10776834.3A EP2491624B1 (en) 2009-10-22 2010-10-22 Attaching structure of electrical wire cover
BR112012000086A BR112012000086A2 (en) 2009-10-22 2010-10-22 electrical wire cover fixing structure.
CN201080047207.4A CN102576960B (en) 2009-10-22 2010-10-22 Attaching structure of electrical wire cover
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CN102576960B (en) 2014-06-25
EP2491624A1 (en) 2012-08-29
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EP2491624B1 (en) 2014-08-27
JP5403806B2 (en) 2014-01-29
CN102576960A (en) 2012-07-11

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