JP2016225030A - Sealing member - Google Patents

Sealing member Download PDF

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Publication number
JP2016225030A
JP2016225030A JP2015107389A JP2015107389A JP2016225030A JP 2016225030 A JP2016225030 A JP 2016225030A JP 2015107389 A JP2015107389 A JP 2015107389A JP 2015107389 A JP2015107389 A JP 2015107389A JP 2016225030 A JP2016225030 A JP 2016225030A
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Prior art keywords
electric wire
insertion hole
lip portion
wire
sealing member
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孝裕 松尾
Takahiro Matsuo
孝裕 松尾
裕矢 岸端
Yuya Kishihata
裕矢 岸端
健三 田中
Kenzo Tanaka
健三 田中
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Yazaki Corp
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Yazaki Corp
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Priority to JP2015107389A priority Critical patent/JP2016225030A/en
Publication of JP2016225030A publication Critical patent/JP2016225030A/en
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Abstract

PROBLEM TO BE SOLVED: To provide a sealing member capable of improving sealability.SOLUTION: In a sealing member 15 allowed to be installed in a connector housing 2 and including a wire holding section 16 having a wire insertion hole 17 into which a wire W is to be inserted and projected lip portions 18 formed on an outer peripheral surface of the wire holding section 16, a projection direction S of the lip portions 18 is a vertical direction V of an axial direction A of the wire insertion hole 17 in an installed state of the wire W in the connector housing 2.SELECTED DRAWING: Figure 2

Description

本発明は、電線が外部に引き出されたハウジング内への水等の侵入を防止する封止部材に関する。   The present invention relates to a sealing member that prevents entry of water or the like into a housing in which an electric wire is drawn out.

この種の従来の封止部材として図７、図８に示すものが提案されている（特許文献１等参照）。この封止部材である封止栓５０は、軟質のゴム材より形成されている。封止栓５０は、電線Ｗを保持する電線保持部５１と、この電線保持部５１に一体に形成され、外側に向かって突出する複数のリップ部５２とを備えている。封止栓５０は、図８に示すように、電線Ｗの外側に装着された状態でコネクタハウジング６０の電線引出孔６１に矢印方向より挿入される。封止栓５０は、電線引出孔６１に圧縮変形しつつ挿入される。挿入された封止栓５０は、その電線挿通孔５１ａの内面が電線Ｗの外周面に、そのリップ部５２が電線引出孔６１の内周面にそれぞれ密着する。封止栓５０によって、コネクタハウジング６０の電線引出孔６１からの水等の侵入を防止すると共に、電線挿通孔５１ａからの水等の侵入も防止する。   As this type of conventional sealing member, the one shown in FIGS. 7 and 8 has been proposed (see Patent Document 1). The sealing plug 50 which is this sealing member is formed from a soft rubber material. The sealing plug 50 includes an electric wire holding portion 51 that holds the electric wire W, and a plurality of lip portions 52 that are formed integrally with the electric wire holding portion 51 and project outward. As shown in FIG. 8, the sealing plug 50 is inserted into the electric wire extraction hole 61 of the connector housing 60 from the direction of the arrow while being attached to the outside of the electric wire W. The sealing plug 50 is inserted into the wire drawing hole 61 while being compressed and deformed. In the inserted sealing plug 50, the inner surface of the wire insertion hole 51 a is in close contact with the outer peripheral surface of the electric wire W, and the lip portion 52 is in close contact with the inner peripheral surface of the electric wire extraction hole 61. The sealing plug 50 prevents entry of water or the like from the wire lead-out hole 61 of the connector housing 60 and also prevents entry of water or the like from the wire insertion hole 51a.

特開２００３−２７２７５８号公報JP 2003-272758 A

しかしながら、前記従来の封止栓５０では、電線引出孔６１に挿入される過程でリップ部５２が電線引出孔６１の内面より摩擦力を受けつつ移動（摺動）する。従って、封止栓５０のリップ部５２は、電線引出孔６１の挿入前の状態では、その突出方向Ｓが電線引出孔６１の軸方向Ａの垂直方向Ｖであったものが、電線引出孔６１の挿入完了状態では、図８に示すように、その突出方向Ｓが電線引出孔６１の軸方向Ａの垂直方向Ｖよりも挿入方向と反対向きに傾斜する。封止栓５０のシール性は、図３に示すように、リップ部５２の突出方向Ｓの向きに大きく依存し、電線引出孔６１の軸方向Ａの垂直方向Ｖに対し傾斜する状態では、シール性が低下するという問題があった。   However, in the conventional sealing plug 50, the lip portion 52 moves (slids) while receiving a frictional force from the inner surface of the wire drawing hole 61 in the process of being inserted into the wire drawing hole 61. Accordingly, the lip portion 52 of the sealing plug 50 has the protruding direction S that is the vertical direction V of the axial direction A of the electric wire extraction hole 61 before the electric wire extraction hole 61 is inserted. In the insertion completed state, as shown in FIG. 8, the protruding direction S is inclined in the direction opposite to the insertion direction from the vertical direction V of the wire drawing hole 61 in the axial direction A. As shown in FIG. 3, the sealing performance of the sealing plug 50 greatly depends on the direction of the protruding direction S of the lip portion 52, and in a state where the sealing plug 50 is inclined with respect to the vertical direction V of the axial direction A of the wire lead hole 61 There was a problem that the performance decreased.

そこで、本発明は、前記した課題を解決すべくなされたものであり、シール性が向上する封止部材を提供することを目的とする。   Then, this invention is made | formed in order to solve the above-mentioned subject, and it aims at providing the sealing member which improves a sealing performance.

本発明は、電線が挿入される電線挿通孔を有する電線保持部と、前記電線挿通孔の内周面と前記電線保持部の外周面の少なくともいずれか一方に設けられた突状のリップ部とを備え、ハウジングに装着される封止部材であって、
前記リップ部の突出方向は、前記電線の前記ハウジングへの装着状態では、前記電線挿通孔の軸方向の垂直方向である封止部材である。 The present invention includes an electric wire holding portion having an electric wire insertion hole into which an electric wire is inserted, and a projecting lip portion provided on at least one of an inner peripheral surface of the electric wire insertion hole and an outer peripheral surface of the electric wire holding portion. A sealing member mounted on the housing,
The protruding direction of the lip portion is a sealing member that is perpendicular to the axial direction of the wire insertion hole when the electric wire is attached to the housing.

前記リップ部が前記電線保持部の外周面に設けられ、前記電線の外側に装着された状態で前記ハウジングに装着に配置される封止栓であり、前記リップ部の突出方向は、前記ハウジングへの装着前の状態では、前記電線挿通孔の軸方向の垂直方向よりも挿入前向きに傾斜しているものを含む。前記リップ部が前記電線挿通孔の内周面に設けられ、電線が前記電線挿通孔に挿入されるマットシールであり、前記リップ部の突出方向は、前記電線の前記コネクタハウジングへの装着前の状態では、前記電線挿通孔の軸方向の垂直方向よりも挿入方向と反対向きに傾斜しているものを含む。   The lip portion is provided on the outer peripheral surface of the electric wire holding portion, and is a sealing plug arranged to be attached to the housing in a state of being attached to the outside of the electric wire, and the protruding direction of the lip portion is directed to the housing In the state before mounting, the wire insertion hole is inclined more forwardly than the vertical direction in the axial direction of the wire insertion hole. The lip portion is provided on the inner peripheral surface of the electric wire insertion hole, and a mat seal in which the electric wire is inserted into the electric wire insertion hole. The protruding direction of the lip portion is a state before the electric wire is attached to the connector housing. In a state, it includes what is inclined in the direction opposite to the insertion direction rather than the vertical direction in the axial direction of the wire insertion hole.

本発明によれば、リップ部の突出方向は、電線挿通孔の軸方向の垂直方向である位置が最も高いシール圧を得ることができるため、シール性が向上する。   According to the present invention, the highest sealing pressure can be obtained at the position where the protruding direction of the lip portion is perpendicular to the axial direction of the electric wire insertion hole, so that the sealing performance is improved.

本発明の第１実施形態を示し、コネクタの断面図である。1 is a cross-sectional view of a connector according to a first embodiment of the present invention. 本発明の第１実施形態を示し、（ａ）は図１のＤ１部拡大図、（ｂ）は封止栓をコネクタハウジングの電線引出孔に挿入する前の状態を示す断面図である。1A and 1B show a first embodiment of the present invention, in which FIG. 1A is an enlarged view of a portion D1 in FIG. 1 and FIG. 2B is a cross-sectional view showing a state before a sealing plug is inserted into an electric wire extraction hole of a connector housing. リップ部の中心軸の角度とシール圧の関係を示す特性線図と、特性線におけるリップ部の中心軸等を示す断面図である。FIG. 5 is a characteristic diagram showing the relationship between the angle of the central axis of the lip portion and the seal pressure, and a cross-sectional view showing the central axis of the lip portion in the characteristic line. 本発明の第２実施形態を示し、マットシールの一部破断斜視図である。It is a partially broken perspective view of a mat seal showing a second embodiment of the present invention. 本発明の第２実施形態を示し、マットシールを装着したコネクタの断面図である。It is sectional drawing of the connector which showed 2nd Embodiment of this invention and equipped with the mat seal | sticker. 本発明の第２実施形態を示し、図５のＤ２部拡大図である。FIG. 6 shows a second embodiment of the present invention and is an enlarged view of a portion D2 in FIG. 従来例を示し、電線に装着する前のマットシールの断面図である。It is sectional drawing of the mat seal | sticker before showing a prior art example and attaching to an electric wire. 従来例を示し、封止栓を装着した電線をコネクタハウジングの電線引出孔に挿入した状態の断面図である。It is sectional drawing of the state which showed the prior art example and inserted the electric wire equipped with the sealing plug into the electric wire extraction hole of the connector housing.

以下、本発明の実施形態を図面に基づいて説明する。   Hereinafter, embodiments of the present invention will be described with reference to the drawings.

（第１実施形態）
図１〜図３は本発明の第１実施形態を示す。図１に示すように、コネクタ１Ａは、コネクタハウジング（ハウジング）２を有する。コネクタハウジング２には、複数の端子収容室３と、各端子収容室３に連続する電線引出孔４が形成されている。端子収容室３は、コネクタハウジング２の前面に開口している。電線引出孔４は、コネクタハウジング２の後面に開口している。 (First embodiment)
1 to 3 show a first embodiment of the present invention. As shown in FIG. 1, the connector 1 </ b> A has a connector housing (housing) 2. The connector housing 2 is formed with a plurality of terminal accommodating chambers 3 and an electric wire extraction hole 4 continuous to each terminal accommodating chamber 3. The terminal accommodating chamber 3 is open on the front surface of the connector housing 2. The wire lead-out hole 4 opens on the rear surface of the connector housing 2.

端子１０は、端子収容室３に配置されている。端子１０には、電線Ｗの一端が接続されている。端子１０が接続された電線Ｗは、電線引出孔４内に配置され、電線引出孔４より外部に引き出されている。電線Ｗの外周には、封止部材である封止栓１５が装着されている。   The terminal 10 is disposed in the terminal accommodating chamber 3. One end of an electric wire W is connected to the terminal 10. The electric wire W to which the terminal 10 is connected is arranged in the electric wire drawing hole 4 and drawn out from the electric wire drawing hole 4 to the outside. A sealing plug 15 as a sealing member is attached to the outer periphery of the electric wire W.

封止栓１５は、例えば弾性変形に富むゴム材より形成されている。封止栓１５は、電線の外側を保持する電線保持部１６と電線保持部１６の軸方向に形成された電線挿通孔１７とを有し、ほぼ円筒形状である。電線保持部１６の外周面には、外側に突出する複数のリップ部１８が設けられている。複数のリップ部１８は、電線保持部１６の軸方向に間隔を置いて設けられている。リップ部１８は、先端が円弧状の山形状である。リップ部１８の突出方向Ｓは、コネクタハウジング２の電線引出孔４への装着前の状態では、図２（ｂ）に示すように、電線挿通孔１７の軸方向Ａの垂直方向Ｖよりも挿入前向きに傾斜している。リップ部１８の突出方向Ｓは、その突出形状の中心軸を基準とする。封止栓１５は、電線Ｗの外側に装着された状態でハウジング２の電線引出孔４に挿入される。封止栓１５は、電線引出孔４に挿入される過程でリップ部１８が電線引出孔４の内面より摩擦力を受けつつ移動（摺動）する。これにより、リップ部１８の突出方向Ｓは、コネクタハウジング２の電線引出孔４への装着状態では、図２（ａ）に示すように、電線挿通孔１７の軸方向Ａの垂直方向Ｖとなる。挿入された封止栓１５は、電線Ｗの外周面と電線引出孔４の内周面に圧縮変形によってそれぞれ密着している。封止栓１５によって、電線引出孔４を通って外部より内部に浸入する水等の浸入を防止していると共に、電線挿通孔１７からの水等の侵入も防止している。   The sealing plug 15 is made of, for example, a rubber material rich in elastic deformation. The sealing plug 15 has an electric wire holding portion 16 that holds the outside of the electric wire and an electric wire insertion hole 17 formed in the axial direction of the electric wire holding portion 16 and has a substantially cylindrical shape. A plurality of lip portions 18 projecting outward are provided on the outer peripheral surface of the electric wire holding portion 16. The plurality of lip portions 18 are provided at intervals in the axial direction of the electric wire holding portion 16. The lip portion 18 has a mountain shape with an arcuate tip. The protrusion direction S of the lip portion 18 is inserted more than the vertical direction V of the wire insertion hole 17 in the axial direction A, as shown in FIG. 2B, in a state before the connector housing 2 is attached to the wire lead-out hole 4. It is inclined forward. The protruding direction S of the lip 18 is based on the central axis of the protruding shape. The sealing plug 15 is inserted into the wire lead-out hole 4 of the housing 2 while being attached to the outside of the wire W. The sealing plug 15 moves (slids) while receiving the frictional force from the inner surface of the wire lead-out hole 4 in the process of being inserted into the wire lead-out hole 4. As a result, the protruding direction S of the lip portion 18 becomes the vertical direction V of the axial direction A of the electric wire insertion hole 17 as shown in FIG. 2A when the connector housing 2 is attached to the electric wire extraction hole 4. . The inserted sealing plugs 15 are in close contact with the outer peripheral surface of the wire W and the inner peripheral surface of the wire lead-out hole 4 by compression deformation. The sealing plug 15 prevents intrusion of water or the like entering the inside from the outside through the wire lead-out hole 4 and prevents intrusion of water or the like from the wire insertion hole 17.

この封止栓１５によれば、リップ部１８の突出方向Ｓは、コネクタハウジング２の電線引出孔４への装着状態では、電線挿通孔１７の軸方向Ａの垂直方向Ｖであるので、図３に示すように、シール圧が最大となり、シール性（防水性）が向上する。シール圧が最大となるのは、リップ部１８の垂直方向の圧縮力が最大となる等の理由による。このようにシール圧を最大にできるため、シール性（防水性）が向上する。シール圧を最大にできるため、所望のシール圧を得るのに従来より小さなリップ部１８で可能となり、コネクタ１Ａの小型化に対応できる。   According to this sealing plug 15, the protruding direction S of the lip portion 18 is the vertical direction V of the axial direction A of the wire insertion hole 17 in the mounting state of the connector housing 2 to the wire drawing hole 4. As shown in Fig. 5, the sealing pressure is maximized and the sealing performance (waterproofness) is improved. The reason why the seal pressure is maximized is that the compressive force in the vertical direction of the lip portion 18 is maximized. Since the sealing pressure can be maximized in this way, the sealing performance (waterproofness) is improved. Since the seal pressure can be maximized, it is possible to obtain a desired seal pressure with a smaller lip portion 18 than in the prior art, and it is possible to cope with the miniaturization of the connector 1A.

（第２実施形態）
図４〜図６は本発明の第２実施形態を示す。コネクタ１Ｂは、コネクタハウジング（ハウジング）２０と、コネクタハウジング２０に収容された封止部材であるマットシール３０と、マットシール３０の後方でマットシール３０を保持するカバー４０と、コネクタハウジング２０に装着される電線Ｗ付きの端子１０とを備えている。 (Second Embodiment)
4 to 6 show a second embodiment of the present invention. The connector 1B is attached to the connector housing 20, a mat seal 30 that is a sealing member accommodated in the connector housing 20, a cover 40 that holds the mat seal 30 behind the mat seal 30, and the connector housing 20. Terminal 10 with electric wire W to be provided.

コネクタハウジング２０には、複数の端子収容室２１とこれら端子収容室２１の電線引出側である後方に配置されたマットシール収容室２２が形成されている。マットシール３０は、マットシール収容室２２に収容されている。マットシール３０は、ゴム材等の軟質の弾性材より形成されている。マットシール３０は、電線保持部３１と、この電線保持部３１の各端子収容室２１に対応する位置に形成された電線挿通孔３２とを有する。電線挿通孔３２の内周面には、電線保持部３１の軸方向に間隔を置いて複数のリップ部３３が設けられている。リップ部３３は、電線挿通孔３２の内周面より内側に向かって突出している。リップ部３３は、先端が円弧状の山形状である。   The connector housing 20 is formed with a plurality of terminal accommodating chambers 21 and a mat seal accommodating chamber 22 disposed on the rear side of the terminal accommodating chambers 21 on the wire drawing side. The mat seal 30 is accommodated in the mat seal accommodation chamber 22. The mat seal 30 is made of a soft elastic material such as a rubber material. The mat seal 30 includes an electric wire holding portion 31 and electric wire insertion holes 32 formed at positions corresponding to the terminal accommodating chambers 21 of the electric wire holding portion 31. A plurality of lip portions 33 are provided on the inner peripheral surface of the wire insertion hole 32 at intervals in the axial direction of the wire holding portion 31. The lip portion 33 protrudes inward from the inner peripheral surface of the wire insertion hole 32. The lip portion 33 has a mountain shape with a circular arc at the tip.

リップ部３３の突出方向Ｓは、電線Ｗのコネクタハウジング２０への装着前、換言すれば、電線Ｗの電線挿通孔３２への装着前の状態では、電線挿通孔３２の軸方向Ａの垂直方向Ｖよりも挿入方向と反対向きに傾斜している（図５、図６の電線Ｗが貫通していないリップ部３３を参照）。リップ部３３の突出方向Ｓは、その突出形状の中心軸を基準とする。マットシール３０の電線挿通孔３２には、端子１０が接続された電線Ｗが挿入される。電線Ｗが挿入される過程で、リップ部３３は電線Ｗより摩擦力を受けつつ電線Ｗの挿入（摺動）を許容する。そして、リップ部３３の突出方向Ｓは、電線Ｗ（端子１０）のコネクタハウジング２０への装着状態では、電線挿通孔３２の軸方向Ａの垂直方向Ｖに位置される（図５、図６の電線Ｗが貫通しているリップ部３３を参照）。電線Ｗの外周面は、リップ部３３の圧縮変形によって電線保持部３１に密着している。マットシール３０によって、電線挿通孔３２を通って外部より内部に浸入する水等の浸入を阻止している。   The protruding direction S of the lip portion 33 is the direction perpendicular to the axial direction A of the electric wire insertion hole 32 before the electric wire W is attached to the connector housing 20, in other words, before the electric wire W is attached to the electric wire insertion hole 32. It is inclined in the direction opposite to the insertion direction with respect to V (see the lip portion 33 through which the electric wire W in FIGS. 5 and 6 does not penetrate). The protruding direction S of the lip portion 33 is based on the central axis of the protruding shape. The electric wire W to which the terminal 10 is connected is inserted into the electric wire insertion hole 32 of the mat seal 30. In the process of inserting the electric wire W, the lip portion 33 allows the insertion (sliding) of the electric wire W while receiving a frictional force from the electric wire W. And the protrusion direction S of the lip | rip part 33 is located in the perpendicular direction V of the axial direction A of the electric wire penetration hole 32 in the mounting state to the connector housing 20 of the electric wire W (terminal 10) (FIG. 5, FIG. 6). (Refer to the lip portion 33 through which the electric wire W passes). The outer peripheral surface of the electric wire W is in close contact with the electric wire holding portion 31 by compressive deformation of the lip portion 33. The mat seal 30 prevents intrusion of water or the like entering the inside from the outside through the electric wire insertion hole 32.

このマットシール３０によれば、リップ部３３の突出方向Ｓは、電線Ｗのコネクタハウジング２０への装着状態では、電線挿通孔３２の軸方向Ａの垂直方向Ｖであるので、図３に示すように、シール圧が最大となり、シール性（防水性）が向上する。シール圧が最大となるのは、リップ部３３の垂直方向の圧縮力が最大となる等の理由による。このようにシール圧を最大にできるため、シール性（防水性）が向上する。シール圧を最大にできるため、所望のシール圧を得るのに従来より小さなリップ部３３で可能となり、コネクタ１Ｂの小型化に対応できる。   According to the mat seal 30, the protruding direction S of the lip portion 33 is the vertical direction V of the axial direction A of the electric wire insertion hole 32 when the electric wire W is attached to the connector housing 20. In addition, the sealing pressure is maximized and the sealing performance (waterproofness) is improved. The reason why the seal pressure is maximized is that the compressive force in the vertical direction of the lip portion 33 is maximized. Since the sealing pressure can be maximized in this way, the sealing performance (waterproofness) is improved. Since the seal pressure can be maximized, it is possible to obtain a desired seal pressure with a smaller lip portion 33 than in the prior art, and it is possible to cope with the miniaturization of the connector 1B.

この明細書では、電線挿通孔１７，３２の軸方向Ａの垂直方向Ｖとは、軸方向Ａに対して９０度の角度のみならず、９０度に近い角度を含む。   In this specification, the vertical direction V in the axial direction A of the wire insertion holes 17 and 32 includes not only an angle of 90 degrees with respect to the axial direction A but also an angle close to 90 degrees.

１Ａ，１Ｂ コネクタ
１５ 封止栓（封止部材）
１６，３１ 電線保持部
１７，３２ 電線挿通孔
１８．３３ リップ部
３０ マットシール（封止部材） 1A, 1B Connector 15 Sealing plug (sealing member)
16, 31 Electric wire holding part 17, 32 Electric wire insertion hole 18.33 Lip part 30 Mat seal (sealing member)

Claims (3)

電線が挿入される電線挿通孔を有する電線保持部と、前記電線挿通孔の内周面と前記電線保持部の外周面の少なくともいずれか一方に設けられた突状のリップ部とを備え、ハウジングに装着される封止部材であって、
前記リップ部の突出方向は、前記電線の前記ハウジングへの装着状態では、前記電線挿通孔の軸方向の垂直方向であることを特徴とする封止部材。 An electric wire holding portion having an electric wire insertion hole into which an electric wire is inserted, and a projecting lip portion provided on at least one of an inner peripheral surface of the electric wire insertion hole and an outer peripheral surface of the electric wire holding portion, A sealing member attached to
The projecting direction of the lip portion is a direction perpendicular to the axial direction of the electric wire insertion hole when the electric wire is attached to the housing. 請求項１記載の封止部材であって、
前記リップ部が前記電線保持部の外周面に設けられ、前記電線の外側に装着された状態で前記ハウジングに装着に配置される封止栓であり、
前記リップ部の突出方向は、前記ハウジングへの装着前の状態では、前記電線挿通孔の軸方向の垂直方向よりも挿入前向きに傾斜していることを特徴とする封止部材。 The sealing member according to claim 1,
The lip portion is provided on the outer peripheral surface of the electric wire holding portion, and is a sealing plug that is arranged to be attached to the housing in a state of being attached to the outside of the electric wire,
The sealing member according to claim 1, wherein the protruding direction of the lip portion is inclined in the forward direction of insertion from the vertical direction of the axial direction of the electric wire insertion hole in a state before being attached to the housing. 請求項１記載の封止部材であって、
前記リップ部が前記電線挿通孔の内周面に設けられ、電線が前記電線挿通孔に挿入されるマットシールであり、
前記リップ部の突出方向は、前記電線の前記ハウジングへの装着前の状態では、前記電線挿通孔の軸方向の垂直方向よりも挿入方向と反対向きに傾斜していることを特徴とする封止部材。 The sealing member according to claim 1,
The lip portion is provided on an inner peripheral surface of the wire insertion hole, and a mat seal in which an electric wire is inserted into the wire insertion hole,
The sealing direction is characterized in that the protruding direction of the lip portion is inclined in the direction opposite to the insertion direction rather than the vertical direction of the axial direction of the electric wire insertion hole in a state before the electric wire is attached to the housing. Element.
JP2015107389A 2015-05-27 2015-05-27 Sealing member Abandoned JP2016225030A (en)

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Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS618972U (en) * 1984-06-21 1986-01-20 住友電装株式会社 Rubber plug for waterproof connector
JPH09232029A (en) * 1996-02-22 1997-09-05 Yazaki Corp Waterproof plug
JP2003272758A (en) * 2002-03-12 2003-09-26 Yazaki Corp Waterproof rubber plug
US20090253284A1 (en) * 2006-07-27 2009-10-08 Jean-Francois Michel Electrical connector and method of manufacturing
JP2010062028A (en) * 2008-09-04 2010-03-18 Sumitomo Wiring Syst Ltd Rubber plug and waterproof connector
JP2010251193A (en) * 2009-04-17 2010-11-04 Yazaki Corp Waterproof connector

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS618972U (en) * 1984-06-21 1986-01-20 住友電装株式会社 Rubber plug for waterproof connector
JPH09232029A (en) * 1996-02-22 1997-09-05 Yazaki Corp Waterproof plug
JP2003272758A (en) * 2002-03-12 2003-09-26 Yazaki Corp Waterproof rubber plug
US20090253284A1 (en) * 2006-07-27 2009-10-08 Jean-Francois Michel Electrical connector and method of manufacturing
JP2010062028A (en) * 2008-09-04 2010-03-18 Sumitomo Wiring Syst Ltd Rubber plug and waterproof connector
JP2010251193A (en) * 2009-04-17 2010-11-04 Yazaki Corp Waterproof connector

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