JP2003173839A - Connector - Google Patents

Connector

Info

Publication number
JP2003173839A
JP2003173839A JP2001370505A JP2001370505A JP2003173839A JP 2003173839 A JP2003173839 A JP 2003173839A JP 2001370505 A JP2001370505 A JP 2001370505A JP 2001370505 A JP2001370505 A JP 2001370505A JP 2003173839 A JP2003173839 A JP 2003173839A
Authority
JP
Japan
Prior art keywords
housing
rubber
electric wire
connector
resin
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP2001370505A
Other languages
Japanese (ja)
Inventor
Yoshio Mizutani
美生 水谷
Tadashi Miyazaki
正 宮崎
Original Assignee
Auto Network Gijutsu Kenkyusho:Kk
株式会社オートネットワーク技術研究所
Sumitomo Wiring Syst Ltd
住友電装株式会社
Sumitomo Electric Ind Ltd
住友電気工業株式会社
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Auto Network Gijutsu Kenkyusho:Kk, 株式会社オートネットワーク技術研究所, Sumitomo Wiring Syst Ltd, 住友電装株式会社, Sumitomo Electric Ind Ltd, 住友電気工業株式会社 filed Critical Auto Network Gijutsu Kenkyusho:Kk
Priority to JP2001370505A priority Critical patent/JP2003173839A/en
Publication of JP2003173839A publication Critical patent/JP2003173839A/en
Pending legal-status Critical Current

Links

Abstract

<P>PROBLEM TO BE SOLVED: To secure sealing property between a housing and a conductor such as a terminal fixture or a wire buried in the housing. <P>SOLUTION: In the connector C, a connecting part (a barrel part 13) of a terminal fixture 11 and a wire 10 is made watertight by stuffing up a space between the terminal fixture 11 and a housing 40 with a rubber ring 20 at a front end side of the housing 40, and also, stuffing up a space between a covered part 10A of the wire 10 and the housing 40 with a rubber boot 30 at a back end side. In the rubber ring 20 or the rubber boot 30, parts (20A, 30A) protruded out of the housing 40 are held by a metal mold at molding of the housing 40. Therefore, the rubber ring 20 or the rubber boot 30 is prevented from moving by resin pressure at molding which secures the sealing property between the housing 40 and the terminal fixture 11 or the wire 10. <P>COPYRIGHT: (C)2003,JPO

Description

【発明の詳細な説明】Detailed Description of the Invention
【0001】[0001]
【発明の属する技術分野】本発明は、端子金具や電線等
の導体を樹脂製のハウジングに埋め込んで成形されたコ
ネクタに関する。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a connector formed by embedding a conductor such as a terminal fitting or an electric wire in a resin housing.
【0002】[0002]
【従来の技術】この種のコネクタとして、図10に示す
ものがある。このものは、電線100の端末に端子金具
101を接続すると共に、その端子金具101と電線1
00との接続部分を埋め込むようにして樹脂製のハウジ
ング102がモールド成形されている。このようなコネ
クタは、防水性・防油性の要求される環境で使用される
ことが多いが、端子金具101とハウジング102との
間や、あるいは電線100の被覆とハウジング102と
の間は材質的に密着性が悪く、隙間が生じてそこから漏
洩することがある。そのため従来では、予め端子金具1
01の外周面や電線100の被覆の外周面にシール剤1
03を塗布しておき、その後にその周囲にハウジング1
02を成形することで防水・防油を図っていた。なお、
上記のように樹脂モールドされた端子金具の周囲をシー
ル剤にて防水・防油する構成として例えば特開昭60−
124374号公報に記載されたものがある。
2. Description of the Related Art A connector of this type is shown in FIG. In this product, the terminal fitting 101 is connected to the end of the electric wire 100, and the terminal fitting 101 and the electric wire 1 are connected.
The housing 102 made of resin is molded so as to embed the connection portion with 00. Such a connector is often used in an environment where waterproofness and oilproofness are required, but the material between the terminal metal fitting 101 and the housing 102 or between the wire 100 and the housing 102 is different in material. There is a case where the adhesiveness is poor and there is a gap, which may cause leakage. Therefore, in the past, the terminal fitting 1 was previously prepared.
01 to the outer peripheral surface and the outer peripheral surface of the coating of the electric wire 100
03 is applied and then the housing 1 is surrounded by it.
It was designed to be waterproof and oilproof by molding 02. In addition,
As a configuration in which the periphery of the resin-molded terminal fitting is waterproofed and oil-proofed with a sealant as described above, for example, JP-A-60-
There is one described in Japanese Patent No. 124374.
【0003】[0003]
【発明が解決しようとする課題】しかしながら、上記の
コネクタの製造工程においては、シール剤の塗布後に加
熱処理を行う必要があるため工程数が多くなる等の欠点
があった。そこで、本願発明者らによって、上記のシー
ル剤に代えて、端子金具や電線被覆の外周面にゴム製の
シール部材を装着し、その周囲にハウジングを成形する
ことで、前記した工程の簡略化を図ることが検討され
た。ところが、ハウジングの成形時には、樹脂の射出圧
によってシール部材に強い力が掛かり、そのためにシー
ル部材が本来の装着位置から押し流されてしまい、シー
ル性が十分に発揮されなくなるおそれがあることが判明
した。本発明は、上記事情に鑑みてなされたもので、そ
の目的は、ハウジングに埋め込まれた端子金具や電線等
の導体とハウジングとの間のシール性を確保することの
可能なコネクタを提供するところにある。
However, in the above-mentioned connector manufacturing process, there is a drawback that the number of processes is increased because it is necessary to perform heat treatment after the application of the sealant. Therefore, the inventors of the present application, instead of the above-mentioned sealing agent, mount a rubber sealing member on the outer peripheral surface of the terminal fitting or the electric wire coating, and mold the housing around the same to simplify the above-described steps. Was considered. However, during molding of the housing, it was found that a strong force is applied to the seal member by the injection pressure of the resin, which causes the seal member to be washed away from its original mounting position, and the sealability may not be sufficiently exhibited. . The present invention has been made in view of the above circumstances, and an object thereof is to provide a connector capable of ensuring a sealability between a housing and a conductor such as a terminal fitting or an electric wire embedded in the housing. It is in.
【0004】[0004]
【課題を解決するための手段】上記の課題を解決するた
めの請求項1の発明に係るコネクタは、導体を樹脂製の
ハウジングの内部に埋め込んで成形されたコネクタであ
って、前記導体の外周面には環状のゴム製シール部材が
装着されており、かつこのゴム製シール部材の一部分が
前記ハウジング内に埋め込まれ、他の部分が前記ハウジ
ングの外部に突出した構成となっているところに特徴を
有する。
The connector according to the invention of claim 1 for solving the above-mentioned problems is a connector formed by embedding a conductor inside a resin housing, and the outer periphery of the conductor. An annular rubber seal member is mounted on the surface, and a part of the rubber seal member is embedded in the housing, and the other part is configured to project to the outside of the housing. Have.
【0005】請求項2の発明は、請求項1に記載のもの
において、前記ゴム製シール部材には、前記ハウジング
内に埋め込まれた部分の外周面に、前記ハウジングに対
して抜け止め状態に係止する抜止部が形成されていると
ころに特徴を有する。
According to a second aspect of the present invention, in the rubber seal member according to the first aspect, the rubber seal member is attached to an outer peripheral surface of a portion embedded in the housing so as to prevent the rubber seal member from coming off the housing. It is characterized in that a retaining portion for stopping is formed.
【0006】請求項3の発明は、請求項1又は請求項2
に記載のものにおいて、前記ゴム製シール部材には、前
記ハウジング内に埋め込まれた側の端部の外周面に先細
り状の傾斜面が形成されているところに特徴を有する。
The invention of claim 3 relates to claim 1 or claim 2.
The rubber seal member is characterized in that a tapered inclined surface is formed on the outer peripheral surface of the end portion on the side embedded in the housing.
【0007】[0007]
【発明の作用および効果】請求項1の発明によれば、ゴ
ム製シール部材においてハウジングより突出した部分
は、ハウジングの成形時に金型によって保持される。そ
のため、ゴム製シール部材が成形時の樹脂圧によって移
動することを防止でき、ハウジングと導体との間のシー
ル性を確保することができる。
According to the invention of claim 1, the portion of the rubber seal member projecting from the housing is held by the mold when the housing is molded. Therefore, it is possible to prevent the rubber seal member from moving due to the resin pressure at the time of molding, and it is possible to secure the sealing property between the housing and the conductor.
【0008】請求項2の発明によれば、ゴム製シール部
材は、抜止部がハウジングに係止することによって抜け
止めされる。
According to the second aspect of the present invention, the rubber seal member is prevented from coming off by engaging the retaining portion with the housing.
【0009】請求項3の発明によれば、ハウジングの成
形時に、導体に沿ってゴム製シール部材に向かうような
樹脂の流れがあった場合には、樹脂は傾斜面によって径
方向の外側へ案内される。同時に、ゴム製シール部材の
端部には、径方向の内側向きの力が作用して導体に押し
付けられる。このため、ゴム製シール部材と導体との間
に樹脂が進入することを防止できる。
According to the third aspect of the present invention, when the resin flows along the conductor toward the rubber seal member during molding of the housing, the resin is guided outward in the radial direction by the inclined surface. To be done. At the same time, a radially inward force acts on the end portion of the rubber seal member to press it against the conductor. Therefore, it is possible to prevent the resin from entering between the rubber seal member and the conductor.
【0010】[0010]
【発明の実施の形態】<第1実施形態>次に本発明の第
1実施形態について図1から図6を参照して説明する。
本実施形態のコネクタCは、図1に示すように、電線1
0の端末に接続された端子金具11(電線と端子金具と
は共に本発明の「導体」に相当する)と、端子金具11
に装着されるゴムリング20と、電線10に装着される
ゴムブーツ30と、これらの各部材11,20,30の
周囲にモールド成形される合成樹脂製のハウジング40
とを備えて構成されている。なお、以下の説明におい
て、前後方向についてについては図1の左側を前方、上
下方向については図1の上側を上方とする。
BEST MODE FOR CARRYING OUT THE INVENTION <First Embodiment> Next, a first embodiment of the present invention will be described with reference to FIGS.
As shown in FIG. 1, the connector C of the present embodiment has a wire 1
Terminal fitting 11 (both the electric wire and the terminal fitting correspond to the "conductor" of the present invention) connected to the terminal No. 0, and the terminal fitting 11
A rubber ring 20 mounted on the electric wire 10, a rubber boot 30 mounted on the electric wire 10, and a synthetic resin housing 40 molded around the respective members 11, 20, 30.
And is configured. In the following description, the left side of FIG. 1 is the front in the front-back direction, and the upper side of FIG. 1 is the top in the vertical direction.
【0011】端子金具11は、図2及び図3に示すよう
に、導電性の金属板材を所定形状に切断した後に折り曲
げて形成されている。端子金具11の前部には長円形の
ボルト孔12Aを有する平板状の接続部12が設けら
れ、相手の端子金具(図示せず)にボルト締めによって
接続できるようにされている。端子金具11の後部には
バレル部13が設けられ、ここには電線10の被覆部分
10Aから剥き出された芯線部分10Bがかしめ付けら
れている。接続部12の後方に連なる部分はゴムリング
20の装着されるシール部材装着部14とされており、
接続部12と同幅の平板状をなしている。
As shown in FIGS. 2 and 3, the terminal fitting 11 is formed by cutting a conductive metal plate material into a predetermined shape and then bending it. A flat plate-shaped connecting portion 12 having an oval bolt hole 12A is provided at the front of the terminal fitting 11 so that it can be connected to a mating terminal fitting (not shown) by bolting. A barrel portion 13 is provided at a rear portion of the terminal fitting 11, and a core portion 10B exposed from a covering portion 10A of the electric wire 10 is caulked to the barrel portion 13. A portion connected to the rear of the connection portion 12 is a seal member attachment portion 14 to which the rubber ring 20 is attached,
It has a flat plate shape with the same width as the connecting portion 12.
【0012】ゴムリング20は、弾力性を有するシリコ
ンゴム等のゴム材から角筒状(環状)に形成され、シー
ル部材装着部14の外周面に緊密に嵌着されている。ゴ
ムリング20の後端には、環状の抜止突部21(本発明
の「抜止部」に相当)が径方向に突出して形成されてお
り、その外周面に環状のリップ22が前後に一対並んで
突設されている。ゴムブーツ30は、弾力性を有するシ
リコンゴム等のゴム材によって円筒状(環状)に形成さ
れ、電線10の被覆部分10Aの外周面に緊密に嵌着さ
れている。ゴムブーツ30の前端側外周面には、環状の
抜止溝部31(本発明の「抜止部」に相当が形成されて
いる。
The rubber ring 20 is formed of a rubber material such as silicone rubber having elasticity into a rectangular tubular shape (annular shape), and is tightly fitted to the outer peripheral surface of the seal member mounting portion 14. At the rear end of the rubber ring 20, an annular retaining projection 21 (corresponding to the "retaining portion" of the present invention) is formed so as to project in the radial direction, and a pair of annular lips 22 are arranged in front and rear on the outer peripheral surface thereof. It is projected in. The rubber boot 30 is formed into a cylindrical shape (annular shape) with a rubber material such as silicone rubber having elasticity, and is tightly fitted to the outer peripheral surface of the covering portion 10A of the electric wire 10. An annular retaining groove portion 31 (corresponding to the "retaining portion" of the present invention) is formed on the outer peripheral surface on the front end side of the rubber boot 30.
【0013】ハウジング40は、図1及び図4に示すよ
うに、合成樹脂材によって内部に端子金具11と電線1
0との接続部分を埋め込むようにしてモールド成形され
ている。より詳細には、端子金具11については、接続
部12とシール部材装着部14の一部がハウジング40
の前方に突出され、残りの部分がハウジング40内に埋
め込まれている。ゴムリング20については、その前半
部分20Aがハウジング40の前方に突出され、抜止突
部21を含む残りの後半部分がハウジング40内に埋め
込まれている。また、ゴムブーツ30については、抜止
溝部31を含んだ前端側部分がハウジング40内に埋め
込まれ、それよりも後側部分30Aはハウジング40外
に突出し、その後端から電線10が導出されている。
As shown in FIGS. 1 and 4, the housing 40 is internally made of a synthetic resin material and has a terminal fitting 11 and an electric wire 1.
It is molded so that the connection portion with 0 is embedded. More specifically, in the terminal fitting 11, a part of the connecting portion 12 and the seal member mounting portion 14 is provided in the housing 40.
Of the housing 40, and the remaining part is embedded in the housing 40. Regarding the rubber ring 20, a front half portion 20A thereof is projected to the front of the housing 40, and the remaining rear half portion including the retaining projection 21 is embedded in the housing 40. Further, in the rubber boot 30, a front end side portion including the retaining groove portion 31 is embedded in the housing 40, and a rear side portion 30 </ b> A from the front end side portion projects outside the housing 40, and the electric wire 10 is led out from the rear end.
【0014】ハウジング40を成形するための金型50
は、図5及び図6に示すように、上型50Aと下型50
Bとを備えて構成され、上型50Aと下型50Bとの間
には溶融樹脂が注入されるキャビティ51が形成されて
いる。上型50A及び下型50Bには、それぞれキャビ
ティ51の前方に端子金具11の接続部12を装着可能
な端子保持溝52と、ゴムリング20を保持可能なゴム
リング保持溝53とが連なって凹設されている。このゴ
ムリング保持溝53の内径は、端子金具11に装着した
状態のゴムリング20の前半部分20Aの外径よりやや
小さく設定されている。また、上型50A及び下型50
Bには、キャビティ51の後方にゴムブーツ30を保持
可能なゴムブーツ保持溝54が凹設され、さらにその後
方に電線10を外部へ挿通させる電線挿通溝55が連な
って凹設されている。なお、ゴムブーツ保持溝54の内
径は電線10に装着されたゴムブーツ30の後側部分3
0Aの外径よりもやや小さく設定されている。
A mold 50 for molding the housing 40
As shown in FIGS. 5 and 6, the upper die 50A and the lower die 50
A cavity 51 into which molten resin is injected is formed between the upper mold 50A and the lower mold 50B. In the upper mold 50A and the lower mold 50B, a terminal holding groove 52 in which the connecting portion 12 of the terminal fitting 11 can be mounted and a rubber ring holding groove 53 in which the rubber ring 20 can be held are formed in a row in front of the cavity 51. It is set up. The inner diameter of the rubber ring holding groove 53 is set to be slightly smaller than the outer diameter of the front half portion 20A of the rubber ring 20 attached to the terminal fitting 11. Also, the upper mold 50A and the lower mold 50
In B, a rubber boot holding groove 54 capable of holding the rubber boot 30 is recessed behind the cavity 51, and an electric wire insertion groove 55 through which the electric wire 10 is inserted to the outside is continuously recessed behind the cavity 51. The inner diameter of the rubber boot holding groove 54 is the rear side portion 3 of the rubber boot 30 attached to the electric wire 10.
It is set to be slightly smaller than the outer diameter of 0A.
【0015】次にコネクタCの製造手順を説明する。ま
ず電線10の端末の被覆部分10Aにゴムブーツ30を
嵌着し、被覆部分10Aより剥き出した芯線部分10B
を端子金具11のバレル部13でかしめ付ける。また、
ゴムリング20を端子金具11のシール部材装着部14
に嵌着する。
Next, the procedure for manufacturing the connector C will be described. First, the rubber boot 30 is fitted into the covering portion 10A at the end of the electric wire 10, and the core wire portion 10B exposed from the covering portion 10A.
Is caulked with the barrel portion 13 of the terminal fitting 11. Also,
The rubber ring 20 is attached to the seal member mounting portion 14 of the terminal fitting 11.
Fit in.
【0016】次に、端子金具11を図5に示すように下
型50Bにセットする。このとき、ゴムリング20の前
半部分20Aの下半分をゴムリング保持溝53に押し込
むと共に、ゴムブーツ30の後側部分30Aをゴムブー
ツ保持溝54に押し込むようにする。上型50Aと下型
50Bとを型閉じすると、ゴムリング20の前半部分2
0Aは、上型50A及び下型50Bのゴムリング保持溝
53の内側に弾性変形を伴いつつ挟み込まれ保持され
る。また、ゴムブーツ30の後側部分30Aも同様に上
型50A及び下型50Bのゴムブーツ保持溝54の内側
に弾性変形を伴いつつ挟み込まれ保持される。
Next, the terminal fitting 11 is set in the lower mold 50B as shown in FIG. At this time, the lower half of the front half portion 20A of the rubber ring 20 is pushed into the rubber ring holding groove 53, and the rear portion 30A of the rubber boot 30 is pushed into the rubber boot holding groove 54. When the upper mold 50A and the lower mold 50B are closed, the front half 2 of the rubber ring 20
0A is sandwiched and held inside the rubber ring holding groove 53 of the upper die 50A and the lower die 50B while being elastically deformed. Similarly, the rear portion 30A of the rubber boot 30 is also sandwiched and held inside the rubber boot holding groove 54 of the upper mold 50A and the lower mold 50B while being elastically deformed.
【0017】続いて、キャビティ51内に溶融樹脂を射
出充填する。このとき、ゴムリング20は樹脂によって
押圧されるが、ハウジング40外に突出した前半部分2
0Aが金型50のゴムリング保持溝53に挟み付けられ
た状態で保持されているため、ゴムリング20が前後に
移動することが規制される。同様に、ゴムブーツ30も
樹脂圧によって押圧されるが、ハウジング40外に突出
した後側部分30Aが金型50のゴムブーツ保持溝54
に挟み付けられた状態で保持されているため、ゴムブー
ツ30が前後に移動することが規制される。また、ゴム
リング20のリップ22は樹脂に押圧されて弾性的に圧
縮変形する。
Subsequently, the molten resin is injected and filled into the cavity 51. At this time, the rubber ring 20 is pressed by the resin, but the first half portion 2 protruding outside the housing 40
Since 0A is held while being sandwiched in the rubber ring holding groove 53 of the mold 50, the rubber ring 20 is restricted from moving back and forth. Similarly, the rubber boot 30 is also pressed by the resin pressure, but the rear portion 30A protruding outside the housing 40 has the rubber boot holding groove 54 of the mold 50.
Since the rubber boots 30 are held in a state of being sandwiched between them, the rubber boot 30 is restricted from moving back and forth. Further, the lip 22 of the rubber ring 20 is pressed by the resin and elastically compressed and deformed.
【0018】ここで、前述した従来のコネクタの場合、
ハウジングを成形する際に、金型の端子保持溝と端子金
具との間や、あるいは金型の電線挿通溝と電線との間に
キャビティ側から漏れ出た樹脂が入り込むことがあっ
た。このようなことは、特に樹脂の注入圧力が大きい場
合に生じやすく、また、被覆部分が変形しやすい電線側
で生じやすい。
In the case of the above-mentioned conventional connector,
When molding the housing, the resin leaked from the cavity side sometimes entered between the terminal holding groove of the mold and the terminal fitting, or between the wire insertion groove of the mold and the electric wire. Such a phenomenon is likely to occur particularly when the injection pressure of the resin is large, and also tends to occur on the side of the electric wire where the coating portion is easily deformed.
【0019】これに対し、本実施形態では、ゴムリング
20が端子金具11と金型50のゴムリング保持溝53
とに弾性的に密着するため、キャビティ51から端子保
持溝52への樹脂漏れが防止される。同様に、ゴムブー
ツ30が電線10の被覆部分10Aと金型50のゴムブ
ーツ保持溝54とに弾性的に密着するため、キャビティ
51から電線挿通溝55への樹脂漏れが防止される。こ
れにより、成形時に従来よりも樹脂の注入圧力を大きく
設定することができるため、例えばハウジング40の強
度を向上する等、コネクタの品質を向上することが可能
となる。
On the other hand, in this embodiment, the rubber ring 20 includes the terminal fitting 11 and the rubber ring holding groove 53 of the die 50.
Since it elastically adheres to and, resin leakage from the cavity 51 to the terminal holding groove 52 is prevented. Similarly, since the rubber boot 30 elastically adheres to the covering portion 10A of the electric wire 10 and the rubber boot holding groove 54 of the mold 50, resin leakage from the cavity 51 to the electric wire insertion groove 55 is prevented. As a result, the injection pressure of the resin can be set higher during molding than in the conventional case, so that the quality of the connector can be improved, for example, the strength of the housing 40 can be improved.
【0020】上記のようにしてキャビティ51内に樹脂
を充填した後、樹脂が固化してから型開きすれば完成し
たコネクタCが得られる。このコネクタCにおいては、
ハウジング40の前端側で端子金具11とハウジング4
0との間をゴムリング20により塞ぐと共に、後端側で
電線10の被覆部分10Aとハウジング40との間をゴ
ムブーツ30によって塞ぐことで、端子金具11と電線
10との接続部分(バレル部13)を水密状態としてい
る。ゴムリング20のリップ22は、成形時の樹脂圧で
弾性変形し、成形後にはその復帰変形力によってハウジ
ング40に対して弾性的に押し付けられるため、密着性
が高められる。
After the resin is filled in the cavity 51 as described above, the resin is solidified and then the mold is opened to obtain the completed connector C. In this connector C,
The terminal fitting 11 and the housing 4 are provided on the front end side of the housing 40.
0 is closed by a rubber ring 20 and the rear end side is closed by a rubber boot 30 between a covering portion 10A of the electric wire 10 and the housing 40, so that a connecting portion (barrel portion 13) between the terminal fitting 11 and the electric wire 10 is closed. ) Is watertight. The lip 22 of the rubber ring 20 is elastically deformed by the resin pressure at the time of molding and is elastically pressed against the housing 40 by the restoring deformation force after molding, so that the adhesion is improved.
【0021】また、従来のコネクタのように樹脂モール
ドされた電線がハウジングの後端からそのまま外部へ導
出されている場合には、電線に曲げ力が加わった場合
に、電線の被覆部分がハウジングの端縁部で傷つく場合
があるが、本実施形態では、電線10とハウジング40
との間にゴムブーツ30を挟んだ状態で電線10がハウ
ジング40から導出されているため、電線10の被覆部
分10Aが保護される。
When a resin-molded electric wire is led out from the rear end of the housing as it is like a conventional connector, when a bending force is applied to the electric wire, the covering portion of the electric wire covers the housing. Although the edge may be damaged, in the present embodiment, the electric wire 10 and the housing 40
Since the electric wire 10 is led out from the housing 40 with the rubber boot 30 sandwiched between the electric wire 10 and the electric wire, the covering portion 10A of the electric wire 10 is protected.
【0022】以上説明したように、本実施形態によれ
ば、ゴムリング20又はゴムブーツ30においてハウジ
ング40より突出した部分(20A,30A)は、ハウ
ジング40の成形時に金型50によって保持される。そ
のため、ゴムリング20又はゴムブーツ30が成形時の
樹脂圧によって移動することを防止でき、ハウジング4
0と端子金具11又は電線10との間のシール性を確保
することができる。また、ゴムリング20及びゴムブー
ツ30は、抜止突部21あるいは抜止溝部31がハウジ
ング40に係止することによって抜け止めされる。
As described above, according to this embodiment, the portions (20A, 30A) of the rubber ring 20 or the rubber boot 30 that project from the housing 40 are held by the mold 50 when the housing 40 is molded. Therefore, the rubber ring 20 or the rubber boot 30 can be prevented from moving due to the resin pressure during molding, and the housing 4
It is possible to secure the sealing property between the zero and the terminal fitting 11 or the electric wire 10. Further, the rubber ring 20 and the rubber boot 30 are prevented from coming off by locking the retaining projection 21 or the retaining groove 31 to the housing 40.
【0023】<第2実施形態>次に本発明の第2実施形
態について図7及び図8を参照して説明する。本実施形
態は、第1実施形態とはゴムブーツの前端部分の形状の
み異なる。本実施形態のゴムブーツ60には、ハウジン
グ40内に埋め込まれた側の端部の外周面に先細り状の
傾斜面61が形成されている。第1実施形態のもので
は、ハウジング40の成形時に、電線10に沿ってゴム
ブーツ30に向かうような樹脂の流れがあった場合に、
樹脂が電線10の外周面とゴムブーツ30の内周面との
間に進入して、ゴムブーツ30が電線10の表面から浮
き上がってしまう可能性がある。
<Second Embodiment> Next, a second embodiment of the present invention will be described with reference to FIGS. 7 and 8. This embodiment differs from the first embodiment only in the shape of the front end portion of the rubber boot. In the rubber boot 60 of this embodiment, a tapered inclined surface 61 is formed on the outer peripheral surface of the end portion on the side embedded in the housing 40. In the case of the first embodiment, when the resin flows along the electric wire 10 toward the rubber boot 30 during the molding of the housing 40,
The resin may enter between the outer peripheral surface of the electric wire 10 and the inner peripheral surface of the rubber boot 30, and the rubber boot 30 may float up from the surface of the electric wire 10.
【0024】これに対し、本実施形態のものでは、電線
10に沿ってゴムブーツ60に向かうような樹脂の流れ
があった場合には、図8の矢線で示すように、樹脂は傾
斜面61によって径方向の外側へ案内される。同時に、
ゴムブーツ60の端部には、径方向の内側向きの力が作
用して電線10の被覆部分10Aに押し付けられる。こ
のため、ゴムブーツ60と電線10との間に樹脂が進入
することを防止できる。
On the other hand, in the case of the present embodiment, when the resin flows toward the rubber boot 60 along the electric wire 10, as shown by the arrow in FIG. Is guided to the outside in the radial direction. at the same time,
A radial inward force acts on the end portion of the rubber boot 60 to press it against the covering portion 10A of the electric wire 10. Therefore, it is possible to prevent the resin from entering between the rubber boot 60 and the electric wire 10.
【0025】本発明の技術的範囲は、上記した実施形態
によって限定されるものではなく、例えば、次に記載す
るようなものも本発明の技術的範囲に含まれる。 (1)ゴムブーツの形状として、上記第2実施形態に示
したものの他にも、例えば図9に示したゴムブーツ70
のように、ハウジング40内に埋め込まれた側の端部の
外周面に、丸みを帯びた先細り状の傾斜面71を設けて
も良く、このゴムブーツ70によっても第2実施形態と
同様の効果を得ることができる。 (2)上記実施形態では、端子金具と電線との接続部分
をハウジングに埋め込んだコネクタを示したが、本発明
は、端子金具のみをハウジングに埋め込んだコネクタに
も適用することができる。
The technical scope of the present invention is not limited to the above-described embodiment, and the following technical scope is also included in the technical scope of the present invention. (1) As the shape of the rubber boot, other than the shape shown in the second embodiment, for example, the rubber boot 70 shown in FIG.
As described above, a rounded taper-shaped inclined surface 71 may be provided on the outer peripheral surface of the end portion on the side embedded in the housing 40. With this rubber boot 70, the same effect as in the second embodiment can be obtained. Obtainable. (2) In the above embodiment, the connector in which the connection between the terminal fitting and the electric wire is embedded in the housing is shown, but the present invention can also be applied to a connector in which only the terminal fitting is embedded in the housing.
【図面の簡単な説明】[Brief description of drawings]
【図1】第1実施形態のコネクタを示す側断面図FIG. 1 is a side sectional view showing a connector according to a first embodiment.
【図2】ゴムリング、端子金具、ゴムブーツ、及び電線
を示す分解側面図
FIG. 2 is an exploded side view showing a rubber ring, a terminal fitting, a rubber boot, and an electric wire.
【図3】端子金具にゴムリングを装着した状態を示す平
面図
FIG. 3 is a plan view showing a state where a rubber ring is attached to the terminal fitting.
【図4】コネクタの平面図FIG. 4 is a plan view of the connector.
【図5】金型に端子金具をセットした状態を示す側断面
FIG. 5 is a side sectional view showing a state in which the terminal fittings are set in the mold.
【図6】金型に溶融樹脂を注入した状態を示す側断面図FIG. 6 is a side sectional view showing a state where molten resin is injected into the mold.
【図7】第2実施形態のゴムブーツ周辺を示す側断面図FIG. 7 is a side sectional view showing the periphery of the rubber boot of the second embodiment.
【図8】その成形時の様子を示す側断面図FIG. 8 is a side sectional view showing a state at the time of molding
【図9】他の実施形態のゴムブーツ周辺を示す側断面図FIG. 9 is a side sectional view showing the periphery of a rubber boot according to another embodiment.
【図10】従来のコネクタを示す側断面図FIG. 10 is a side sectional view showing a conventional connector.
【符号の説明】[Explanation of symbols]
C…コネクタ 10…電線(導体) 11…端子金具(導体) 20…ゴムリング(ゴム製シール部材) 21…抜止突部(抜止部) 30,60,70…ゴムブーツ(ゴム製シール部材) 31…抜止溝部(抜止部) 40…ハウジング 61,71…傾斜面 C ... Connector 10 ... Electric wire (conductor) 11 ... Terminal metal fittings (conductor) 20 ... Rubber ring (rubber seal member) 21 ... Retaining protrusion (retaining portion) 30, 60, 70 ... Rubber boot (rubber seal member) 31 ... retaining groove (retaining portion) 40 ... Housing 61, 71 ... Inclined surface
───────────────────────────────────────────────────── フロントページの続き (72)発明者 水谷 美生 愛知県名古屋市南区菊住一丁目7番10号 株式会社オートネットワーク技術研究所内 (72)発明者 宮崎 正 愛知県名古屋市南区菊住一丁目7番10号 株式会社オートネットワーク技術研究所内 Fターム(参考) 5E087 GG02 JJ09 LL02 LL03 LL12 LL14 RR12 RR47 RR49    ─────────────────────────────────────────────────── ─── Continued front page    (72) Inventor Mio Mizutani             1-7-10 Kikuzumi, Minami-ku, Nagoya-shi, Aichi             Auto Network Technical Laboratory Co., Ltd. (72) Inventor Tadashi Miyazaki             1-7-10 Kikuzumi, Minami-ku, Nagoya-shi, Aichi             Auto Network Technical Laboratory Co., Ltd. F term (reference) 5E087 GG02 JJ09 LL02 LL03 LL12                       LL14 RR12 RR47 RR49

Claims (3)

    【特許請求の範囲】[Claims]
  1. 【請求項1】 導体を樹脂製のハウジングの内部に埋め
    込んで成形されたコネクタであって、 前記導体の外周面には環状のゴム製シール部材が装着さ
    れており、かつこのゴム製シール部材の一部分が前記ハ
    ウジング内に埋め込まれ、他の部分が前記ハウジングの
    外部に突出した構成となっていることを特徴とするコネ
    クタ。
    1. A connector formed by embedding a conductor inside a resin housing, wherein an annular rubber seal member is mounted on an outer peripheral surface of the conductor, and the rubber seal member A connector, wherein one part is embedded in the housing and the other part is projected to the outside of the housing.
  2. 【請求項2】 前記ゴム製シール部材には、前記ハウジ
    ング内に埋め込まれた部分の外周面に、前記ハウジング
    に対して抜け止め状態に係止する抜止部が形成されてい
    ることを特徴とする請求項1に記載のコネクタ。
    2. The rubber seal member has a retaining portion formed on an outer peripheral surface of a portion embedded in the housing, the retaining portion being engaged with the housing in a retaining state. The connector according to claim 1.
  3. 【請求項3】 前記ゴム製シール部材には、前記ハウジ
    ング内に埋め込まれた側の端部の外周面に先細り状の傾
    斜面が形成されていることを特徴とする請求項1又は請
    求項2に記載のコネクタ。
    3. The rubber seal member is formed with a tapered inclined surface on an outer peripheral surface of an end portion on a side embedded in the housing. Connector described in.
JP2001370505A 2001-12-04 2001-12-04 Connector Pending JP2003173839A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2001370505A JP2003173839A (en) 2001-12-04 2001-12-04 Connector

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2001370505A JP2003173839A (en) 2001-12-04 2001-12-04 Connector

Publications (1)

Publication Number Publication Date
JP2003173839A true JP2003173839A (en) 2003-06-20

Family

ID=19179718

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2001370505A Pending JP2003173839A (en) 2001-12-04 2001-12-04 Connector

Country Status (1)

Country Link
JP (1) JP2003173839A (en)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004158444A (en) * 2002-10-15 2004-06-03 Yazaki Corp Manufacturing method and inspection method of waterproof joint
JP2007184133A (en) * 2006-01-05 2007-07-19 Sumitomo Wiring Syst Ltd Connector
US7264494B2 (en) 2004-12-06 2007-09-04 Weatherford/Lamb, Inc. Electrical connector and socket assemblies
JP2010045081A (en) * 2008-08-08 2010-02-25 Hitachi Ltd Metal base and electric electronic module using the same
US7701106B2 (en) 2003-06-21 2010-04-20 Oilfield Equipment Development Center Limited Electric submersible pumps
US7971650B2 (en) 2003-06-21 2011-07-05 Oilfield Equipment Development Center Limited Electric submersible pumps
JP2013254800A (en) * 2012-06-05 2013-12-19 Jvc Kenwood Corp Explosion-proof electronic device and method for manufacturing the same
US8672641B2 (en) 2003-06-21 2014-03-18 Oilfield Equipment Development Center Limited Electric submersible pumps
CN104009322A (en) * 2013-02-22 2014-08-27 矢崎总业株式会社 Waterproof connector
KR101605562B1 (en) 2008-09-05 2016-03-22 쇼오트 아게 Electrical lead-through for safety tanks
JP2020113474A (en) * 2019-01-15 2020-07-27 矢崎総業株式会社 Waterproof structure

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004158444A (en) * 2002-10-15 2004-06-03 Yazaki Corp Manufacturing method and inspection method of waterproof joint
US8672641B2 (en) 2003-06-21 2014-03-18 Oilfield Equipment Development Center Limited Electric submersible pumps
US7971650B2 (en) 2003-06-21 2011-07-05 Oilfield Equipment Development Center Limited Electric submersible pumps
US7701106B2 (en) 2003-06-21 2010-04-20 Oilfield Equipment Development Center Limited Electric submersible pumps
GB2420919B (en) * 2004-12-06 2008-09-17 Weatherford Lamb Electrical connector and socket assemblies
GB2438551B (en) * 2004-12-06 2008-12-03 Weatherford Lamb Electrical connector and socket assemblies
US7632124B2 (en) 2004-12-06 2009-12-15 Premier Business Solutions, Ltd. Electrical connector and socket assemblies for submersible assembly
GB2438551A (en) * 2004-12-06 2007-11-28 Weatherford Lamb Electrical connector and socket assemblies suitable for use in a submersible pump
US7726997B2 (en) 2004-12-06 2010-06-01 Oilfield Equpiment Development Center Limited Electrical connector and socket assemblies
US7264494B2 (en) 2004-12-06 2007-09-04 Weatherford/Lamb, Inc. Electrical connector and socket assemblies
JP2007184133A (en) * 2006-01-05 2007-07-19 Sumitomo Wiring Syst Ltd Connector
JP2010045081A (en) * 2008-08-08 2010-02-25 Hitachi Ltd Metal base and electric electronic module using the same
KR101605562B1 (en) 2008-09-05 2016-03-22 쇼오트 아게 Electrical lead-through for safety tanks
JP2013254800A (en) * 2012-06-05 2013-12-19 Jvc Kenwood Corp Explosion-proof electronic device and method for manufacturing the same
CN104009322A (en) * 2013-02-22 2014-08-27 矢崎总业株式会社 Waterproof connector
JP2020113474A (en) * 2019-01-15 2020-07-27 矢崎総業株式会社 Waterproof structure

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