JP5046272B2 - Connector loosening prevention mechanism - Google Patents
Connector loosening prevention mechanism Download PDFInfo
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- JP5046272B2 JP5046272B2 JP2006330021A JP2006330021A JP5046272B2 JP 5046272 B2 JP5046272 B2 JP 5046272B2 JP 2006330021 A JP2006330021 A JP 2006330021A JP 2006330021 A JP2006330021 A JP 2006330021A JP 5046272 B2 JP5046272 B2 JP 5046272B2
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Description
本発明は、ケーブル等を接続する一対のコネクタにおいて、両コネクタ間の合わせ目の結合を緊密に結合し、ケーブル等を接続する雄型と雌型のコンタクトを、密閉するねじ式コネクタに関する。 The present invention relates to a screw-type connector for tightly coupling a joint between both connectors in a pair of connectors for connecting cables and the like, and sealing male and female contacts for connecting the cables and the like.
従来より、コネクタには、ねじを介して電気ケーブルを同一軸上に電気接続するねじ式コネクタがある。ねじ式コネクタでは、ソケットあるいはプラグを何回も回して相互に接続する必要があるので、接続作業に手間がかかり、作業性が低い。
最近では、接続作業性が高く、メンテナンスを容易としたものとして、特許文献１があげられる。
2. Description of the Related Art Conventionally, connectors include screw type connectors that electrically connect electric cables on the same axis via screws. In the screw-type connector, it is necessary to turn the socket or the plug many times to connect each other, so that the connection work is troublesome and the workability is low.
Recently, Patent Document 1 is cited as one that has high connection workability and facilitates maintenance.
特許文献１は、電気絶縁性のコネクタ本体１と、コネクタ本体１に固定されてシールド電線８の芯線８ａが接続された端子４と、シールド電線８のシールド線８ｃが接続されかつシールド電線８および端子４を取り囲んでコネクタ本体１に装着されたシールド筒体９と、シールド筒体９に接触してコネクタ本体１に外嵌された固定具６とを具備し、導電性のシールド筒体９の外周面に突設された円環状鍔部９ａに当接させて第１の固定具５にねじ込む構成であるため、そのねじ込みと同時にシールド性および防水性を確保するというものである。
しかし、上述した特許文献１の、第１の固定具５と第２の固定具６のねじ接続構造においては、ねじの緩みを止める構造がないため、コネクタの振動によるねじの緩みが発生するおそれがあり、防水性の低下および電気的接続の不良の原因となっていた。 However, in the screw connection structure of the first fixing tool 5 and the second fixing tool 6 of Patent Document 1 described above, there is no structure for stopping the loosening of the screw, so that the screw may be loosened due to the vibration of the connector. There was a decrease in waterproofness and poor electrical connection.
本発明の課題は、ねじ式コネクタにおいて、振動によるねじの緩みを防止するとともに、シールド性および防水性の低下を防止することにある。 SUMMARY OF THE INVENTION An object of the present invention is to prevent a screw-type connector from loosening due to vibrations and to prevent a decrease in shielding properties and waterproofness.
上記課題を解決するため、本発明は、第１のコネクタと、第１のコネクタと係合する第２のコネクタと、第１のコネクタに収容され、複数のピンを保持する第１のインサート部材と、第２のコネクタに収容され、第１のインサート部材のピンを嵌合する嵌合穴を有する第２のインサート部材と、第１のコネクタに収容された第１のインサート部材を外嵌する第１の固定部材と、第２のコネクタに収容された第２のインサート部材を外嵌する第２の固定部材とを有してなるコネクタであって、第１のインサート部材の、第２のコネクタに収容される側の端部に、鍔部を設け且つ該鍔部に凸部を設け、第１の固定部材の、第２の固定部材と嵌合する側の端部に、第１のインサート部材の凸部と嵌合する複数の凹部を設け、第２のインサート部材は、第２の固定部材に収容される側且つ第２の固定部材と嵌合する位置に、鍔部を設け且つ該鍔部に凸部を設け、第２の固定部材は、第２のインサート部材と接触する部分に、第２のインサート部材の凸部に嵌合する複数の凹部を設け、凹部は、ねじの締め方向となる一片の角度を浅くし、緩み方向となる他片の角度を急な角度となるように形成されていることを特徴とする。 In order to solve the above-described problems, the present invention provides a first connector, a second connector that engages with the first connector, and a first insert member that is accommodated in the first connector and holds a plurality of pins. And a second insert member housed in the second connector and having a fitting hole for fitting a pin of the first insert member, and a first insert member housed in the first connector are externally fitted. A connector having a first fixing member and a second fixing member that externally fits a second insert member accommodated in the second connector, wherein the second insert member is a second insert member of the first insert member. A flange portion is provided at an end portion on the side accommodated in the connector, and a protrusion portion is provided on the flange portion, and the first fixing member has an end portion on the side fitting with the second fixing member. Providing a plurality of recesses that fit with the protrusions of the insert member, the second insert member is A flange is provided on the side accommodated in the second fixing member and a position where the second fixing member is fitted, and a protrusion is provided on the flange, and the second fixing member includes a second insert member The contact portion is provided with a plurality of concave portions that fit into the convex portions of the second insert member, and the concave portion shallows the angle of one piece that becomes the tightening direction of the screw and sharpens the angle of the other piece that becomes the loosening direction. It is formed so that it may become an angle.
また、前記第２のインサート部材は、第２の固定部材と嵌合する位置に鍔部を有してなり、該鍔部に凸部を設け、第２の固定部材の、第２のインサート部材と嵌合する端部内側部に前記凸部に嵌合する複数の凹部を設けたことを特徴とする。 Further, the second insert member has a flange portion at a position where the second insert member is fitted to the second fixing member, and a convex portion is provided on the flange portion, and the second insert member of the second fixing member is provided. A plurality of recesses to be fitted to the projections are provided on the inner side of the end portion to be fitted.
上記構成により、本発明によれば、ねじ式コネクタにおいて、振動によるねじの緩みを防止し、シールド性および防水性の低下を防止することができる。 With the above configuration, according to the present invention, in the screw-type connector, it is possible to prevent loosening of the screw due to vibration, and to prevent a decrease in shielding properties and waterproofness.
本発明の実施するための最良の形態を図面に基づいて説明する。
図１に、本発明のコネクタの結合時の一部断面図を示す。
図２、図３に、第１のコネクタ、第２のコネクタの分解一部断面図を示す。
図４に、第１のコネクタと第１のインサート部材の嵌合状態を示す拡大図を示す。
図５に、第２のコネクタと第２のインサート部材の嵌合状態を示す拡大図を示す。
図６に、本発明のコネクタの別の実施例を示す。
The best mode for carrying out the present invention will be described with reference to the drawings.
FIG. 1 shows a partial cross-sectional view when the connector of the present invention is coupled.
2 and 3 are exploded partial cross-sectional views of the first connector and the second connector.
In FIG. 4, the enlarged view which shows the fitting state of a 1st connector and a 1st insert member is shown.
In FIG. 5, the enlarged view which shows the fitting state of a 2nd connector and a 2nd insert member is shown.
FIG. 6 shows another embodiment of the connector of the present invention.
図１に示すように、本発明のコネクタ１は、第１のコネクタ２、第２のコネクタ３より構成されている。
第１のコネクタ２は、一端部を、第１のインサート部材４を挿入するための開口とし、他端部を、ピン６を先端に有する複数のケーブル７を内部に束ねた被覆ケーブル１４に接続された形状としている。
第２のコネクタ３は、一端部を、第２のインサート部材５を挿入するための開口とし、他端部を、被覆ケーブル１４を保持した形状としている。
また、第１のコネクタ２、第２のコネクタ３とも、樹脂によって形成されており、特に、被覆ケーブル１４とコネクタの接続口９付近は、一体成型によって、図１のように保護されている。
As shown in FIG. 1, the connector 1 of the present invention includes a first connector 2 and a second connector 3.
The first connector 2 has one end as an opening for inserting the first insert member 4 and the other end connected to a covered cable 14 in which a plurality of cables 7 having pins 6 at their ends are bundled inside. The shape is made.
The second connector 3 has a shape in which one end is an opening for inserting the second insert member 5 and the other end is a shape that holds the covered cable 14.
Further, both the first connector 2 and the second connector 3 are made of resin, and in particular, the vicinity of the connection cable 14 and the connection port 9 of the connector is protected by integral molding as shown in FIG.
第１のコネクタ２に収容される第１のインサート部材４は、内部に、複数のケーブルの先端のピン６を挿通させてなり、第１のインサート部材４の、第２のコネクタ３に収容される側の端部に円環状の鍔部１０を有し、且つ該鍔部１０には、図４に示すように、第１の固定部材１５の端面側に向かって突出した、例えば略三角形状の凸部１１を設けている。この鍔部１０は、第１のコネクタ２と第２のコネクタ３とを結合したときには、その凸部１１が第１の固定部材１５の端面に押しつけられる状態となる。
第２のコネクタ３に収容される第２のインサート部材５は、前記第１のインサート部材４の複数のピン６を嵌合する嵌合穴（ソケット）８を有する。
また、第１のインサート部材４、第２のインサート部材５とも、樹脂によってインサート成型されている。
The first insert member 4 accommodated in the first connector 2 has a pin 6 at the tip of a plurality of cables inserted therein, and is accommodated in the second connector 3 of the first insert member 4. 4 has an annular flange 10 at its end, and the flange 10 protrudes toward the end face of the first fixing member 15 as shown in FIG. The convex part 11 is provided. When the first connector 2 and the second connector 3 are coupled to each other, the flange 10 is in a state where the convex portion 11 is pressed against the end surface of the first fixing member 15.
The second insert member 5 accommodated in the second connector 3 has a fitting hole (socket) 8 into which the plurality of pins 6 of the first insert member 4 are fitted.
Both the first insert member 4 and the second insert member 5 are insert-molded with resin.
第１の固定部材１５は、第１のインサート部材４に外嵌するように内部に空間１５ａを有してなり、外部には、第２の固定部材１６と螺合するようにねじ山１７がきられている。また、第１の固定部材１５は、図４のように、前記第１のインサート部材の、第２のコネクタに収容される側の端部に、第１のインサート部材４の鍔部１０の凸部１１が嵌り落ちるように（嵌合するように）複数の凹部１２を有している。 The first fixing member 15 has a space 15 a inside so as to be externally fitted to the first insert member 4, and a thread 17 is provided on the outside so as to be screwed with the second fixing member 16. It has been. Further, as shown in FIG. 4, the first fixing member 15 has a convex portion of the flange portion 10 of the first insert member 4 at the end of the first insert member that is accommodated in the second connector. A plurality of recesses 12 are provided so that the portion 11 fits (fits).
凹部１２は、図４のように、凹部の角度を左右均等にせずに、例えばねじの締め方向に従って、一片の角度を８０度等の浅い角度、緩み方向である他片を６０度等の急な角度とすることによって、締めるときは角度が浅いため軽い力で締めることができ、緩もうとするときには角度が急なため緩みにくくなる。
また、第１のインサート部材４の凸部１１の高さを凹部１２の深さよりも大きくすることによって、凸部１１先端が摩耗した場合にも大きくした分が摩耗するまで緩み止めの効果がなくならず、寿命が延びる。
As shown in FIG. 4, the recess 12 does not make the recess angle equal to the left and right, but according to, for example, the screw tightening direction, the angle of one piece is a shallow angle such as 80 degrees, and the other piece that is the loosening direction is abruptly 60 degrees. By making the angle small, the angle is shallow when tightening, so that it can be tightened with a light force, and when trying to loosen, the angle is steep and it is difficult to loosen.
Further, by making the height of the convex portion 11 of the first insert member 4 larger than the depth of the concave portion 12, even when the tip of the convex portion 11 is worn, there is no effect of preventing the loosening until the larger portion is worn. In other words, the service life is extended.
第２の固定部材１６は、第２のインサート部材５に外嵌するように内部に空間１６ａを有してなり、さらに、該内部には、第１の固定部材１５のねじ山１７に螺合するように内ねじ溝１８が形成されている。 The second fixing member 16 has a space 16a inside so as to be fitted on the second insert member 5, and is screwed into the thread 17 of the first fixing member 15 inside. Thus, an internal thread groove 18 is formed.
第１のインサート部材４の鍔部１０に設けた凸部１１、第１の固定部材１５の凹部１２の数は、凹凸が同時に嵌合するように配置すればよく、第１の固定部材１５を第２の固定部材１６に締め付けるときに凸部１１、凹部１２間に生じる負荷を減らすためになるべく数は増やした方がよい。 The number of the convex portions 11 provided on the flange portion 10 of the first insert member 4 and the number of the concave portions 12 of the first fixing member 15 may be arranged so that the concave and convex portions are simultaneously fitted. It is better to increase the number as much as possible in order to reduce the load generated between the convex portion 11 and the concave portion 12 when tightening to the second fixing member 16.
凸部１１と凹部１２を、第１のインサート部材４の鍔部１０と、第１の固定部材１５に設けるのみでなく、図５のように第２の固定部材１６と第２のインサート部材５の嵌合して接触する部分に、凸部１１と凹部１２を設けることにより、より一層振動によるねじの緩みを防止し、シールド性および防水性の低下を防止することができる。 The protrusion 11 and the recess 12 are not only provided on the flange 10 and the first fixing member 15 of the first insert member 4, but also the second fixing member 16 and the second insert member 5 as shown in FIG. By providing the convex part 11 and the concave part 12 in the part that is fitted and contacted, it is possible to further prevent the screws from loosening due to vibrations and to prevent the shielding property and the waterproofing from being lowered.
本発明における緩み止め機構は、コネクタの形態・材質に関わらず使用することができる。例えば、図６に示すような別の形態のコネクタにおいても、本発明の緩み止め機構を用いることができる。
固定部材１９とインサート部材２０の嵌合して接触する部分に、凸部１１と凹部１２を設けることにより、図１乃至図５における実施例と同様に、振動によるねじの緩みを防止するとともに、シールド性および防水性の低下を防止することができる。
The locking mechanism according to the present invention can be used regardless of the form and material of the connector. For example, the locking mechanism of the present invention can also be used in another form of connector as shown in FIG.
By providing the convex portion 11 and the concave portion 12 in the portion where the fixing member 19 and the insert member 20 are fitted and in contact with each other, as in the embodiment in FIGS. A decrease in shielding properties and waterproofness can be prevented.
第１のコネクタ２と第２のコネクタ３とを結合するにあたっては、まず、第１のインサート部材４のピン６を第２のインサート部材５の所定の嵌合穴８に差し込み、次いで第１の固定部材１５のねじ山１７に対して第２の固定部材１６の内ネジ溝１８を第２の固定部材１６および／または第１の固定部材１５を数回回すことにより螺合し締め付け、この際、前述したように第１のインサート部材４の鍔部１０の凸部１１が第１の固定部材１５の凹部１２に嵌合する。 In connecting the first connector 2 and the second connector 3, first, the pin 6 of the first insert member 4 is inserted into the predetermined fitting hole 8 of the second insert member 5, and then the first The inner thread groove 18 of the second fixing member 16 is screwed into the screw thread 17 of the fixing member 15 by turning the second fixing member 16 and / or the first fixing member 15 several times. As described above, the convex portion 11 of the flange portion 10 of the first insert member 4 is fitted into the concave portion 12 of the first fixing member 15.
なお、図１に示すように、第１のインサート部材４の鍔部１０と第２のインサート部材５の鍔部５ａとの間には、Ｏリング１３が設けられていて、締め付け時に防水のためのＯリング１３をコネクタ先端で圧縮するが、Ｏリング１３の弾性力により、凹部１２の深さの分だけＯリング１３の圧縮が戻ってしまうため、凹部１２の深さは圧縮が戻っても防水性が保てる寸法にする。 As shown in FIG. 1, an O-ring 13 is provided between the flange portion 10 of the first insert member 4 and the flange portion 5a of the second insert member 5, and is waterproof when tightened. The O-ring 13 is compressed by the tip of the connector. However, the elastic force of the O-ring 13 returns the compression of the O-ring 13 by the depth of the recess 12, so that the depth of the recess 12 can be reduced even after the compression is restored. Make the dimensions waterproof.
以上の構成により、ねじ式コネクタにおいて、第１のコネクタ２と第２のコネクタ３の
接続部分に、凹凸部を設けることにより、振動によるねじの緩みを防止し、シールド性および防水性の低下を防止することができる。
With the above configuration, in the screw connector, by providing an uneven portion at the connection portion between the first connector 2 and the second connector 3, the screw is prevented from loosening due to vibration, and the shielding performance and waterproofness are reduced. Can be prevented.
１ コネクタ
２ 第１のコネクタ
３ 第２のコネクタ
４ 第１のインサート部材
５ 第２のインサート部材
５ａ 鍔部
６ ピン
７ ケーブル
８ 嵌合穴
９ 接続口
１０ 鍔部
１１ 凸部
１２ 凹部
１３ Oリング
１４ 被覆ケーブル
１５ 第１の固定部材
１５ａ空間
１６ 第２の固定部材
１６ａ空間
１７ ねじ山
１８ ねじ溝
１９ 固定部材
２０ インサート部材
.
DESCRIPTION OF SYMBOLS 1 Connector 2 1st connector 3 2nd connector 4 1st insert member 5 2nd insert member 5a collar part 6 pin 7 cable 8 fitting hole 9 connection port 10 collar part 11 convex part 12 recessed part 13 O-ring 14 Covered cable 15 First fixing member 15a space 16 Second fixing member 16a space 17 Thread 18 Screw groove 19 Fixing member 20 Insert member
.
Claims (1)
前記第１のインサート部材の、前記第２のコネクタに収容される側の端部に、鍔部を設け且つ該鍔部に凸部を設け、
前記第１の固定部材の、第２の固定部材と嵌合する側の端部に、前記第１のインサート部材の前記凸部と嵌合する複数の凹部を設け、
前記第２のインサート部材は、前記第２の固定部材に収容される側且つ前記第２の固定部材と嵌合する位置に、鍔部を設け且つ該鍔部に凸部を設け、
前記第２の固定部材は、前記第２のインサート部材と接触する部分に、前記第２のインサート部材の前記凸部に嵌合する複数の凹部を設け、
前記凹部は、ねじの締め方向となる一片の角度を浅くし、緩み方向となる他片の角度を急な角度となるように形成されていることを特徴とするコネクタ。 A first connector; a second connector that engages with the first connector; a first insert member that is accommodated in the first connector and holds a plurality of pins; and is accommodated in the second connector; A second insert member having a fitting hole for fitting a pin of the first insert member, a first fixing member for externally fitting the first insert member housed in the first connector, and a second A second fixing member that externally fits a second insert member accommodated in the connector,
An end of the first insert member on the side accommodated in the second connector is provided with a flange and a protrusion is provided on the flange.
A plurality of recesses to be fitted to the projections of the first insert member are provided at the end of the first fixing member on the side to be fitted with the second fixing member,
The second insert member is provided with a flange on the side accommodated in the second fixing member and at a position where the second insert member is fitted with the second fixing member, and a protrusion is provided on the flange.
The second fixing member is provided with a plurality of concave portions that fit into the convex portions of the second insert member in a portion that contacts the second insert member,
The said recessed part is formed so that the angle of one piece used as the tightening direction of a screw may be made shallow, and the angle of the other piece used as a loosening direction may become a steep angle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006330021A JP5046272B2 (en) | 2006-12-06 | 2006-12-06 | Connector loosening prevention mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2006330021A JP5046272B2 (en) | 2006-12-06 | 2006-12-06 | Connector loosening prevention mechanism |
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| Publication Number | Publication Date |
|---|---|
| JP2008146884A JP2008146884A (en) | 2008-06-26 |
| JP5046272B2 true JP5046272B2 (en) | 2012-10-10 |
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|---|---|---|---|
| JP2006330021A Active JP5046272B2 (en) | 2006-12-06 | 2006-12-06 | Connector loosening prevention mechanism |
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| JP2006040838A (en) * | 2004-07-30 | 2006-02-09 | Yazaki Corp | Insertion-coupling structure of male and female connectors |
| JP2006307965A (en) * | 2005-04-28 | 2006-11-09 | Marunaka:Kk | Locking washer and screws with locking washer attaching same |
| JP4696907B2 (en) * | 2005-12-28 | 2011-06-08 | オムロン株式会社 | connector |
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