JP4062097B2 - Corrugated tube cover connector - Google Patents

Corrugated tube cover connector Download PDF

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Publication number
JP4062097B2
JP4062097B2 JP2003004817A JP2003004817A JP4062097B2 JP 4062097 B2 JP4062097 B2 JP 4062097B2 JP 2003004817 A JP2003004817 A JP 2003004817A JP 2003004817 A JP2003004817 A JP 2003004817A JP 4062097 B2 JP4062097 B2 JP 4062097B2
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Prior art keywords
electric wire
corrugated tube
cover
covers
connector housing
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JP2004220856A (en
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敏文 一尾
道明 岡本
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Sumitomo Wiring Systems Ltd
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Sumitomo Wiring Systems Ltd
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Priority to JP2003004817A priority Critical patent/JP4062097B2/en
Priority to US10/719,324 priority patent/US7021959B2/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
    • H01R13/567—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
    • H01R13/46—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

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  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Details Of Indoor Wiring (AREA)

Description

【０００１】
【発明の属する技術分野】
本発明はコルゲートチューブ用カバー付コネクタに関し、詳しくは、コルゲートチューブの端縁部との接触による電線の損傷防止を図るものである。
【０００２】
【従来の技術】
従来、コネクタハウジングに導入される電線を保護するためのコルゲートチューブをカバーを介してコネクタハウジングの端子挿入面側に装着してなるコルゲートチューブ用カバー付コネクタが自動車用コネクタとして多用されている。そして、このようなコネクタとしては、例えば特許文献１に記載のものが知られている。
【０００３】
この種のコネクタにおける筒状のカバーは、電線導出側の端部にコルゲートチューブの外周に嵌合して、コルゲートチューブを抜け止め状態で保持するための凹凸状の保持部を備えている。そして、コルゲートチューブから導出された電線はカバー内のスペースにおける経路を通ってコネクタハウジングのキャビティ内に挿入されるようになっている。
【０００４】
【特許文献１】
特開平１０−２７６４５号公報
【０００５】
【発明が解決しようとする課題】
図７は、従来のカバー１の内部において、カバー１の端部に装着されたコルゲートチューブ２の端縁部２ａから電線Ｗが導出している部分の様子を示している。ここで、電線Ｗはコルゲートチューブ２の端縁部２ａの内周に接しながらカバー１の内部経路を通ってコネクタハウジングへ導入される。ところが、コルゲートチューブ２の端縁部２ａには成形時或いは切断時の都合により鋭利な突起状のバリが発生していることがある。このようなバリが存在する場合、自動車走行中の振動等の影響で電線Ｗに振れが生じると、電線Ｗがコルゲートチューブ２の端縁部２ａとの摺動接触にさらされて、電線Ｗの絶縁被覆に損傷を生じることがある。
【０００６】
本発明は、上記した問題に鑑みてなされたものであり、カバーの内部において、コルゲートチューブから導出される電線がコルゲートチューブの端縁部と接触しない状態で保持できるようにして電線の損傷を防止することを課題としている。
【０００７】
【課題を解決するための手段】
上記課題を解決するために、本発明は、電線の端末に取り付けられた端子金具が挿入されたコネクタハウジングと、該コネクタハウジングの端子挿入面側に装着されると共に上記コネクタハウジングから導出される電線を覆う筒状のカバーとからなるコネクタにおいて、
上記カバーはハウジング側端部とチューブ側端部を備えたＬ型形状とし、合体することで筒状をなす一対の半割カバーからなると共に、両半割カバーのハウジング側端部側壁及びチューブ側端部側壁の間には両半割カバーを合体状態に保持するロック機構を設けると共にハウジング側端部の一側に両半割カバー同士を開閉可能に連結するヒンジを設け、
上記カバーにおける電線が導出されるチューブ側の端部内周面にはコルゲートチューブの外周に嵌合して該コルゲートチューブを抜け止め状態で装着可能な係止部を設け、
該係止部の上記ハウジング側の隣接位置には、上記両半割カバーの内周に周設した半割の環状突片からなると共に電線との接触部の断面を凸状のＲ面形状とし、上記環状突片の内周に囲まれた上記コルゲートチューブから導出される電線の経路を上記コルゲートチューブの凹溝における端縁部内周よりも小径となるように規制して上記電線が上記コルゲートチューブの端縁部に接触しない状態とする電線案内部を設けていることを特徴とするコルゲートチューブ用カバー付コネクタを提供している。
【０００８】
上記構成によれば、カバー内においてコルゲートチューブの端縁部から導出される電線は電線案内部によってその経路が規制されるので、コルゲートチューブの端縁部に接触することがない。よって、電線の振動等に伴いコルゲートチューブの端縁部と摺動接触することによる絶縁被覆の損傷を確実に防止することができる。
【０００９】
上記カバーは合体することで筒状をなす一対の半割カバーからなると共に、両半割カバーの間には両半割カバーを合体状態に保持するロック機構を設け、上記電線案内部は上記両半割カバーの内周に周設した半割の環状突片から構成する。このようにすれば、半割カバーの一方にコルゲートチューブの端部を嵌め込むと共に電線を半割の環状突片の内周に位置決めした後、他方の半割カバーを合わせてロック機構により合体固定することでコルゲートチューブおよび電線を簡単に装着することができる。また、電線は環状突片の内周によりその経路が規制されるので、半割カバーを合体させるときに、カバーの周縁部に電線がかみ込むのを防止できる。
【００１０】
上記電線案内部における電線との接触部の断面はＲ面形状とする。このように構成すれば、電線の絶縁被覆に対する電線案内部の接触部分がより一層滑らかとなり、電線被覆への影響をなくすことができる。
【００１１】
【発明の実施の形態】
以下、本発明の実施形態を図面を参照して説明する。
図１は本発明のコルゲートチューブ用カバー付コネクタ１０の実施形態を示し、電線Ｗの端末に取り付けられた端子金具（図示せず）が挿入されるコネクタハウジング１１と、コネクタハウジング１１から導出される電線Ｗを覆うと共に、電線Ｗに外装されたコルゲートチューブ２１の端部を保持するカバー３１とから構成している。
【００１２】
コネクタハウジング１１は合成樹脂製からなり、図２に示すように、端子金具を収容する５つのキャビティ１２を備え、外面には相手側コネクタと結合固定するためのロックアーム１３を備えている。また、コネクタハウジング１１の後面側である端子挿入面１１ａには、カバー３１の一端を装着するための突片１４を突設している（図４）。
【００１３】
コルゲートチューブ２１は合成樹脂製からなり、コネクタハウジング１１のキャビティ５から導出される５本の電線Ｗを束ねて保護するためのものであり、外周面には凸条２１ａと凹溝２１ｂが交互に周設されて可撓性を有するようになっている。そして、カバー３１に保持される端縁部２２は、凹溝２１ｂの中間部分で切断されている（図４）。
【００１４】
カバー３１は、図１から明らかなようにコネクタハウジング１１に取り付けるハウジング側端部３３とコルゲートチューブ２１を保持するチューブ側端部３４を備えた合成樹脂製のＬ型筒状体からなり、図３に示すように、合体することで筒状をなす二つ割りの一対の半割カバー３１ａ、３１ｂから構成すると共に、コネクタハウジング１１に取り付けるハウジング側端部３３の一側に突設したヒンジ３２を介して開閉可能に連結している。半割カバー３１ａ、３１ｂの間には、両者を閉じて合体状態で固定するロック機構を備えている。このロック機構は、４箇所設けられ、一方の半割カバー３１ａ側においてハウジング側端部３３におけるヒンジ３２と反対側の側壁と、コルゲートチューブ２１を保持するチューブ側端部３４の両側壁および中間の傾斜部分に外方に向けて係止爪３５を設けている。そして、他方の半割カバー３１ｂには、係止爪３５に対応する位置に、半割カバー３１ａ、３１ｂの合体状態において係止爪３５を受け入れて係合する係止枠３６を設けている。
【００１５】
半割カバー３１ａにおいてハウジング側端部３３の両側壁の内面には、コネクタハウジング１１の突片１４に係合する嵌合溝３３ａを形成し、この嵌合溝３３ａの上下位置には、突片１４の上下に設けた凹部１４ａに嵌合するガタ詰め突起３３ｂを設けている。一方、カバー３１の他端であるチューブ側端部３４の内周には、コルゲートチューブ２１の端部を抜け止め状態で装着するために、コルゲートチューブ２１の凹溝２１ｂに対応して係合する３本の半割状の係止突片３７ａ、３７ｂからなる係止部３７を半割カバー３１ａ、３１ｂにそれぞれ突設している。
【００１６】
更に、係止部３７より奥側すなわちハウジング側の隣接位置には、図４、図５に示すように、係止部３７に装着されたコルゲートチューブ２１の端縁部２２の内径Ｄ１より小径となる電線Ｗの経路３８を規制する電線案内部３９を設けている。この電線案内部３９は、半割カバー３１ａ、３１ｂの内周壁からそれぞれ一体的に周設した半割の環状突片３９ａ、３９ｂから構成し、この環状突片３９ａ、３９ｂの内周により囲まれた部分を電線Ｗの経路３８としている。即ち、経路３８の径Ｄ２はコルゲートチューブ２１の端縁部２２の内径Ｄ１より小さい寸法設定とし、これによりコルゲートチューブ２１からカバー３１の奥へ導出される電線Ｗを電線案内部３９で案内して、電線Ｗがコルゲートチューブ２１の端縁部２２に接触しない状態を確保している。また、経路３８となる環状突片３９ａ、３９ｂにおける電線Ｗとの接触部の断面は、図５に示すようにＲ面形状３９ｃとし、電線Ｗの絶縁被覆への損傷を防止する形状としている。
【００１７】
次に、上記構成からなるコルゲートチューブ用カバー付コネクタの作用について説明する。
図４に示すように、コルゲートチューブ２１が外装された５本の電線Ｗの端末に取り付けられた各端子金具をコネクタハウジング１１の対応する各キャビティ１２内に挿入係止する。そして、カバー３１を構成する一方の半割カバー３１ａのハウジング側端部３３をコネクタハウジング１１の端子挿入面側１１ａに係合保持させると共に、コルゲートチューブ２１の端縁部２２を対応する係止突片３７ａに係止保持させる。このとき、図５に示すように、コルゲートチューブ２１の端縁部から導出される各電線Ｗを電線案内部３９の環状突片３９ａの経路３８内に位置するように配置する。そして、他方の半割カバー３１ｂを閉じて半割カバー３１ａと合体すると共に、係止爪３５と係止枠３６とからなるロック機構によって閉塞状態で固定する。
【００１８】
上記構成とすると、各電線Ｗはカバー３１内に保持され、コルゲートチューブ２１の端縁部２２から導出された電線Ｗは電線案内部３９の経路３８に案内された状態となる。即ち、コルゲートチューブ２１の端縁部２２の内径Ｄ１より経路３８の径Ｄ２の方が小さい寸法設定となっているので、各電線Ｗはコルゲートチューブ２１の端縁部２２に常に接触することなく配置される。このため、電線Ｗが自動車走行中の振動等により振れが発生しても、コルゲートチューブ２１の端縁部２２における切断バリ等と接触することがない。よって、電線Ｗの絶縁被覆がコルゲートチューブ２１の端縁部２２と摺動接触することに起因する損傷を未然に防止することができる。
【００１９】
なお、上記実施形態においては、電線案内部３９を環状突片３９ａ、３９ｂから構成した例を示したが、コルゲートチューブ２１の端縁部２２の内径Ｄ１より小径であれば経路３８が角形状であってもよい。更に、環状突片３９ａ、３９ｂをカバー３１の側壁を肉厚にすることにより経路３８を狭く形成するようにしてもよい。また、カバー３１としてＬ型で角筒状のものを示したが、ストレート型のものや円筒状のものにも同様に適用可能である。更に、半割カバー３１ａ、３１ｂをヒンジ３２により連結したものを示したが、それぞれ別体のものであってもよい。
【００２０】
【発明の効果】
以上の説明より明らかなように本発明では、カバー内部にコルゲートチューブの端縁部の内径より小径の電線導入経路を確保する電線案内部を設けたので、電線がコルゲートチューブの端縁部と接触することに起因する絶縁被覆の損傷を確実に防止することができる。
【図面の簡単な説明】
【図１】 本発明のコルゲートチューブ用カバー付コネクタの平面図である。
【図２】 図１の左側面図である。
【図３】 カバーを開いた状態の斜視図である。
【図４】 コネクタハウジングにカバーとコルゲートチューブを保持した状態におけるカバーを開いた状態の平面図である。
【図５】 要部の拡大図である。
【図６】 図５においてコルゲートチューブを除いたＸ−Ｘ面図である。
【図７】 従来例を示す図である。
【符号の説明】
１０ コルゲートチューブ用カバー付コネクタ
１１ コネクタハウジング
１１ａ 端子挿入面
２１ コルゲートチューブ
２２ 端縁部
３１ カバー
３１ａ、３１ｂ 半割カバー
３２ ヒンジ
３５ 係止爪（ロック機構）
３６ 係止枠（ロック機構）
３７ 係止部
３７ａ、３７ｂ 係止突片
３８ 導入経路
３９ 電線案内部
３９ａ、３９ｂ 環状突片
Ｄ１ 内径
Ｄ２ 径[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a connector with a cover for a corrugated tube, and more particularly, to prevent damage to an electric wire due to contact with an end edge portion of the corrugated tube.
[0002]
[Prior art]
2. Description of the Related Art Conventionally, a connector with a cover for a corrugated tube in which a corrugated tube for protecting an electric wire introduced into the connector housing is attached to the terminal insertion surface side of the connector housing via a cover is often used as an automobile connector. And as such a connector, the thing of patent documents 1 is known, for example.
[0003]
The cylindrical cover in this type of connector includes an uneven holding portion that fits to the outer periphery of the corrugated tube at the end on the electric wire outlet side and holds the corrugated tube in a state of retaining. And the electric wire led out from the corrugated tube is inserted into the cavity of the connector housing through the path in the space in the cover.
[0004]
[Patent Document 1]
Japanese Patent Application Laid-Open No. 10-27645
[Problems to be solved by the invention]
FIG. 7 shows the state of the portion where the electric wire W is led out from the end edge 2 a of the corrugated tube 2 attached to the end of the cover 1 inside the conventional cover 1. Here, the electric wire W is introduced into the connector housing through the internal path of the cover 1 while being in contact with the inner periphery of the end edge 2 a of the corrugated tube 2. However, sharp protrusion-like burrs may be generated on the edge 2a of the corrugated tube 2 due to circumstances during molding or cutting. When such a burr exists, if the electric wire W is shaken due to the influence of vibration or the like while the vehicle is running, the electric wire W is exposed to sliding contact with the end edge 2a of the corrugated tube 2, and the electric wire W Insulation may be damaged.
[0006]
The present invention has been made in view of the above-described problems, and prevents damage to the electric wire by allowing the electric wire led out from the corrugated tube to be held without contacting the edge of the corrugated tube inside the cover. The challenge is to do.
[0007]
[Means for Solving the Problems]
In order to solve the above-described problems, the present invention provides a connector housing into which a terminal fitting attached to an end of an electric wire is inserted, and an electric wire that is attached to the terminal insertion surface side of the connector housing and is led out from the connector housing. In a connector consisting of a cylindrical cover that covers
The cover is L-shaped with a housing side end and a tube side end, and comprises a pair of halved covers that are combined to form a cylindrical shape. Provided between the end side walls is a locking mechanism that holds the two half covers in a combined state, and a hinge is provided on one side of the housing side end so that the two half covers can be opened and closed.
On the inner peripheral surface of the end portion on the tube side from which the electric wire in the cover is led out, a locking portion is provided that can be fitted in the outer periphery of the corrugated tube and can be attached in a state of preventing the corrugated tube from being detached.
The adjacent position of the locking part on the housing side is formed of a half ring-shaped projecting piece provided around the inner circumference of the two half covers, and the cross section of the contact part with the electric wire has a convex R-surface shape. The path of the electric wire led out from the corrugated tube surrounded by the inner periphery of the annular projecting piece is restricted so as to have a smaller diameter than the inner periphery of the edge of the concave groove of the corrugated tube, and the electric wire is connected to the corrugated tube There is provided a connector with a cover for a corrugated tube, which is provided with an electric wire guide portion that does not come into contact with the end edge portion of the corrugated tube.
[0008]
According to the above configuration, since the route of the electric wire led out from the end edge portion of the corrugated tube in the cover is regulated by the wire guide portion, it does not come into contact with the end edge portion of the corrugated tube. Therefore, it is possible to reliably prevent damage to the insulating coating due to sliding contact with the edge of the corrugated tube accompanying the vibration of the electric wire.
[0009]
The cover is composed of a pair of halved covers that are combined to form a cylindrical cover, and a lock mechanism is provided between the halved covers to hold the halved covers in a combined state. that make up a half of an annular protrusion which is provided around the inner circumference of the half covers. In this way, after fitting the end of the corrugated tube into one of the half covers and positioning the wire on the inner circumference of the half ring-shaped projecting piece, the other half cover is aligned and fixed together by the lock mechanism By doing so, the corrugated tube and the electric wire can be easily attached. Moreover, since the path | route of an electric wire is controlled by the inner periphery of a cyclic | annular protrusion, when combining a half cover, it can prevent that an electric wire bites into the peripheral part of a cover.
[0010]
Section of the contact portion between the wire in the wire guide portion shall be the R-sectional shape. If comprised in this way, the contact part of the electric wire guide part with respect to the insulation coating of an electric wire will become smoother, and the influence on electric wire coating can be eliminated.
[0011]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, embodiments of the present invention will be described with reference to the drawings.
FIG. 1 shows an embodiment of a connector 10 with a cover for a corrugated tube of the present invention, which is derived from a connector housing 11 into which a terminal fitting (not shown) attached to the end of an electric wire W is inserted, and the connector housing 11. The cover 31 covers the electric wire W and holds the end portion of the corrugated tube 21 that is externally mounted on the electric wire W.
[0012]
The connector housing 11 is made of a synthetic resin, and as shown in FIG. 2, includes five cavities 12 for accommodating terminal fittings, and a lock arm 13 for coupling and fixing to the mating connector on the outer surface. Further, a projecting piece 14 for mounting one end of the cover 31 is provided on the terminal insertion surface 11a on the rear surface side of the connector housing 11 (FIG. 4).
[0013]
The corrugated tube 21 is made of a synthetic resin and is used to bundle and protect the five electric wires W led out from the cavity 5 of the connector housing 11. The outer circumferential surface has ridges 21 a and grooves 21 b alternately. It is arranged around and has flexibility. And the edge part 22 hold | maintained at the cover 31 is cut | disconnected by the intermediate part of the ditch | groove 21b (FIG. 4).
[0014]
As is clear from FIG. 1 , the cover 31 is made of a synthetic resin L-shaped cylindrical body having a housing side end 33 attached to the connector housing 11 and a tube side end 34 for holding the corrugated tube 21 . As shown in FIG. 3, the pair is formed of a pair of half-split covers 31a and 31b that are formed into a tubular shape by being united, and via a hinge 32 that protrudes from one side of a housing side end 33 that is attached to the connector housing 11. It is connected so that it can be opened and closed. Between the half covers 31a and 31b, there is provided a lock mechanism that closes both the covers and fixes them in the combined state. This locking mechanism is provided at four locations, on one half cover 31a side, on the side wall opposite to the hinge 32 at the housing side end 33, on both side walls of the tube side end 34 holding the corrugated tube 21 and in the middle A locking claw 35 is provided on the inclined portion toward the outside. The other half cover 31b is provided with a locking frame 36 at a position corresponding to the locking claw 35 to receive and engage the locking claw 35 in the combined state of the half covers 31a and 31b.
[0015]
A fitting groove 33a that engages with the protruding piece 14 of the connector housing 11 is formed on the inner surface of both side walls of the housing side end portion 33 in the half cover 31a, and the protruding piece is positioned above and below the fitting groove 33a. 14 is provided with a backlash projection 33b that fits into a recess 14a provided at the top and bottom of 14. On the other hand, on the inner periphery of the tube side end portion 34 which is the other end of the cover 31, the end portion of the corrugated tube 21 is engaged in correspondence with the concave groove 21 b of the corrugated tube 21 in order to attach the end portion of the corrugated tube 21. Locking portions 37 made up of three half-shaped locking protrusions 37a and 37b project from the half covers 31a and 31b, respectively.
[0016]
Further, at a position closer to the rear side than the locking portion 37, that is, on the housing side , as shown in FIGS. 4 and 5, the diameter is smaller than the inner diameter D1 of the end edge portion 22 of the corrugated tube 21 attached to the locking portion 37. The electric wire guide part 39 which regulates the path | route 38 of the electric wire W which becomes is provided. The electric wire guide portion 39 is composed of half annular projecting pieces 39a and 39b integrally provided from the inner peripheral walls of the half covers 31a and 31b, respectively, and is surrounded by the inner circumference of the annular projecting pieces 39a and 39b. This portion is the path 38 of the electric wire W. That is, the diameter D2 of the path 38 is set to be smaller than the inner diameter D1 of the end edge portion 22 of the corrugated tube 21, whereby the electric wire W led out from the corrugated tube 21 to the back of the cover 31 is guided by the electric wire guide portion 39. The state where the electric wire W does not contact the end edge portion 22 of the corrugated tube 21 is ensured. Moreover, the cross section of the contact part with the electric wire W in the cyclic | annular protrusions 39a and 39b used as the path | route 38 is made into the R surface shape 39c, as shown in FIG. 5, and the shape which prevents the damage to the insulation coating of the electric wire W is made.
[0017]
Next, the operation of the connector with a cover for a corrugated tube having the above configuration will be described.
As shown in FIG. 4, the terminal fittings attached to the ends of the five electric wires W covered with the corrugated tube 21 are inserted and locked in the corresponding cavities 12 of the connector housing 11. Then, the housing-side end portion 33 of one half cover 31a constituting the cover 31 is engaged and held with the terminal insertion surface side 11a of the connector housing 11, and the end edge portion 22 of the corrugated tube 21 is correspondingly engaged. The piece 37a is latched and held. At this time, as shown in FIG. 5, the electric wires W led out from the end edge portion of the corrugated tube 21 are arranged so as to be positioned in the path 38 of the annular projecting piece 39 a of the electric wire guide portion 39. Then, the other half cover 31b is closed and united with the half cover 31a, and is fixed in a closed state by a lock mechanism composed of a locking claw 35 and a locking frame 36.
[0018]
If it is set as the said structure, each electric wire W will be hold | maintained in the cover 31, and the electric wire W derived | led-out from the edge part 22 of the corrugated tube 21 will be in the state guided by the path | route 38 of the electric wire guide part 39. FIG. That is, since the diameter D2 of the path 38 is smaller than the inner diameter D1 of the end edge portion 22 of the corrugated tube 21, each electric wire W is arranged without always contacting the end edge portion 22 of the corrugated tube 21. Is done. For this reason, even if the electric wire W is shaken due to vibration or the like during traveling of the automobile, it does not come into contact with a cutting burr or the like at the edge 22 of the corrugated tube 21. Therefore, it is possible to prevent damage caused by the insulating coating of the electric wire W being in sliding contact with the end edge portion 22 of the corrugated tube 21.
[0019]
In the above-described embodiment, the example in which the wire guide portion 39 is configured by the annular projecting pieces 39a and 39b has been described. However, if the diameter is smaller than the inner diameter D1 of the end edge portion 22 of the corrugated tube 21, the path 38 has a square shape. There may be. Furthermore, the path 38 may be narrowly formed by increasing the thickness of the side wall of the cover 31 of the annular projecting pieces 39a and 39b. Moreover, although the L-shaped and rectangular tube-shaped cover 31 is shown as the cover 31, the present invention can be similarly applied to a straight-type or a cylindrical one. Furthermore, although the ones in which the half covers 31a and 31b are connected by the hinge 32 are shown, they may be separate.
[0020]
【The invention's effect】
As is clear from the above description, in the present invention, since the wire guide portion that secures the wire introduction path having a smaller diameter than the inner diameter of the end edge portion of the corrugated tube is provided inside the cover, the electric wire contacts the end edge portion of the corrugated tube. It is possible to reliably prevent the insulation coating from being damaged.
[Brief description of the drawings]
FIG. 1 is a plan view of a connector with a cover for a corrugated tube of the present invention.
FIG. 2 is a left side view of FIG.
FIG. 3 is a perspective view of a state in which a cover is opened.
FIG. 4 is a plan view showing a state in which the cover is opened in a state where the cover and the corrugated tube are held in the connector housing.
FIG. 5 is an enlarged view of a main part.
6 is an XX plane view of FIG. 5 with a corrugated tube removed. FIG.
FIG. 7 is a diagram showing a conventional example.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 10 Connector with corrugated tube cover 11 Connector housing 11a Terminal insertion surface 21 Corrugated tube 22 End edge part 31 Cover 31a, 31b Half cover 32 Hinge 35 Locking claw (locking mechanism)
36 Locking frame (locking mechanism)
37 Locking portions 37a, 37b Locking protrusions 38 Introduction path 39 Wire guide portions 39a, 39b Annular protrusions D1 Inner diameter D2 Diameter

Claims (1)

電線の端末に取り付けられた端子金具が挿入されたコネクタハウジングと、該コネクタハウジングの端子挿入面側に装着されると共に上記コネクタハウジングから導出される電線を覆う筒状のカバーとからなるコネクタにおいて、
上記カバーはハウジング側端部とチューブ側端部を備えたＬ型形状とし、合体することで筒状をなす一対の半割カバーからなると共に、両半割カバーのハウジング側端部側壁及びチューブ側端部側壁の間には両半割カバーを合体状態に保持するロック機構を設けると共にハウジング側端部の一側に両半割カバー同士を開閉可能に連結するヒンジを設け、
上記カバーにおける電線が導出されるチューブ側の端部内周面にはコルゲートチューブの外周に嵌合して該コルゲートチューブを抜け止め状態で装着可能な係止部を設け、
該係止部の上記ハウジング側の隣接位置には、上記両半割カバーの内周に周設した半割の環状突片からなると共に電線との接触部の断面を凸状のＲ面形状とし、上記環状突片の内周に囲まれた上記コルゲートチューブから導出される電線の経路を上記コルゲートチューブの凹溝における端縁部内周よりも小径となるように規制して上記電線が上記コルゲートチューブの端縁部に接触しない状態とする電線案内部を設けていることを特徴とするコルゲートチューブ用カバー付コネクタ。In a connector housing comprising a connector housing into which a terminal fitting attached to the end of an electric wire is inserted, and a cylindrical cover that is attached to the terminal insertion surface side of the connector housing and covers the electric wire led out from the connector housing,
The cover is L-shaped with a housing side end and a tube side end, and comprises a pair of halved covers that are combined to form a cylindrical shape. Provided between the end side walls is a locking mechanism that holds the two half covers in a combined state, and a hinge is provided on one side of the housing side end so that the two half covers can be opened and closed.
On the inner peripheral surface of the end portion on the tube side from which the electric wire in the cover is led out, a locking portion is provided that can be fitted in the outer periphery of the corrugated tube and can be attached in a state of preventing the corrugated tube from being detached.
The adjacent position of the locking part on the housing side is formed of a half ring-shaped projecting piece provided around the inner circumference of the two half covers, and the cross section of the contact part with the electric wire has a convex R-surface shape. The path of the electric wire led out from the corrugated tube surrounded by the inner periphery of the annular projecting piece is restricted so as to have a smaller diameter than the inner periphery of the edge of the concave groove of the corrugated tube, and the electric wire is connected to the corrugated tube The connector with a cover for corrugated tubes characterized by providing the electric wire guide part made into the state which does not contact the edge part of this .
JP2003004817A 2002-11-22 2003-01-10 Corrugated tube cover connector Expired - Lifetime JP4062097B2 (en)

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JP5654412B2 (en) * 2011-04-28 2015-01-14 住友電装株式会社 Cover for horizontal connector
JP5759826B2 (en) * 2011-08-03 2015-08-05 矢崎総業株式会社 connector
FR2994033B1 (en) * 2012-07-26 2014-08-08 Amphenol Air Lb HOOD FOR MAINTAINING THE CABLES OF A CONNECTOR
DE102012217211A1 (en) * 2012-09-24 2014-03-27 Tyco Electronics Amp Gmbh Contact housing with positioning means for fixing the position of a kink-sensitive cable
KR101662813B1 (en) * 2014-12-23 2016-10-05 주식회사 디알텍 Cable connector
JP7097170B2 (en) * 2017-11-08 2022-07-07 矢崎総業株式会社 Protector
JP7034988B2 (en) 2019-07-09 2022-03-14 ヒロセ電機株式会社 A cover member for a cable connector, a cable connector device using the cover member, and a method for assembling the cable connector device.
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