JP3980356B2 - connector - Google Patents

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Publication number
JP3980356B2
JP3980356B2 JP2002001778A JP2002001778A JP3980356B2 JP 3980356 B2 JP3980356 B2 JP 3980356B2 JP 2002001778 A JP2002001778 A JP 2002001778A JP 2002001778 A JP2002001778 A JP 2002001778A JP 3980356 B2 JP3980356 B2 JP 3980356B2
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JP
Japan
Prior art keywords
retainer
terminal
connector
elastic piece
terminals
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.)
Expired - Fee Related
Application number
JP2002001778A
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Japanese (ja)
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JP2003203707A (en
Inventor
寧 齋藤
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sumitomo Wiring Systems Ltd
AutoNetworks Technologies Ltd
Sumitomo Electric Industries Ltd
Original Assignee
Sumitomo Wiring Systems Ltd
AutoNetworks Technologies Ltd
Sumitomo Electric Industries Ltd
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.)
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Publication date
Application filed by Sumitomo Wiring Systems Ltd, AutoNetworks Technologies Ltd, Sumitomo Electric Industries Ltd filed Critical Sumitomo Wiring Systems Ltd
Priority to JP2002001778A priority Critical patent/JP3980356B2/en
Publication of JP2003203707A publication Critical patent/JP2003203707A/en
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Publication of JP3980356B2 publication Critical patent/JP3980356B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Description

【0001】
【発明の属する技術分野】
本発明は、例えば車両に搭載され、車体からの振動に対して電気的接続部の接続状態を強固になし得るコネクタに関する。
【0002】
【従来の技術】
自動車に搭載される各種電子部品や電気部品は、コネクタを介してバッテリーに電気的に接続されている。
【0003】
かかるコネクタによる電気的接続は、2つのコネクタの一方に設けた雄端子と、他方に設けた雌端子とを嵌合することで行われている。
【0004】
【発明が解決しようとする課題】
ところで、近年、自動車の軽量化が推進され、エンジンの軽量化や高剛性化が図られるようになってきており、これに伴って従来の場合よりも激しい振動がコネクタに伝達される傾向になっている。
【0005】
一方、端子はコネクタハウジングの中でガタを有して取付けられており、雄雌のハウジング同士が強固に嵌合されていても、両端子間の接続状態を確実に保持することが困難になっている。即ち、従来では、コネクタハウジングとこれに組み付けられた端子との間に多少のガタつきがあるため、両コネクタのハウジング同士が嵌合しても上記ガタつき分によって両端子が互いにずれ動く可能性があり、特に激しい振動が加わると、コネクタの小型化に相まって端子同士を接続している接触荷重が大きくできないことも合わさり、両端子同士の接触荷重だけではこのようなずれ動きを阻止しきれない。そのため、両端子の接続部が摺動したり移動したりすることで摩耗による劣化が起こり易くなるという虞れがあった。
【0006】
本発明は、このように従来技術の課題を解決すべくなされたものであり、振動を受けてもハウジング内での端子の移動を抑制して端子同士の嵌合状態を確実に保持させ得、劣化を起こり難くすることができるコネクタを提供することを目的とする。
【0007】
【課題を解決するための手段】
本発明のコネクタは、コネクタハウジングの内部に両端が開口したキャビティが1または2以上形成され、各キャビティに対して各々端子が、相手端子との嵌合面側に向けて挿入されて取付けられるとともに、その端子の抜け止めをすべくコネクタハウジングの側面側から内部に向けてリテーナが各端子と係合する状態に挿入装着されるコネクタであって、上記各端子は、リテーナとの係合部を有し、該リテーナから嵌合面側に押し付けられる力を受けるように弾性片が形成され、その弾性片の先に、リテーナからリテーナ挿入方向の力を受けるようにリテーナ挿入方向とほぼ直交する方向に向けた第2弾性片が延設されていることを特徴とする。
【0008】
このコネクタにあっては、端子の弾性片がリテーナから嵌合面側に押し付けられる力を受けるので、端子が嵌合面側に押し付けられた状態でコネクタハウジングに固定されるため、端子の嵌合方向でのガタが少なくなる。よって、コネクタが車体側からの振動を受けても、ハウジング内での端子の移動が抑制されて端子同士の嵌合状態はより確実に保持され、劣化が起こり難くなる。
【0010】
このコネクタによる場合には、端子の嵌合方向でのガタが少なくなることに加えて、端子の嵌合方向とほぼ直交する方向(リテーナ挿入方向)でのガタが少なくなる。よって、端子同士の嵌合状態は更に確実に保持される。
【0011】
ここで、上記端子としては、互いに嵌合される雄端子及び雌端子の一方でもよいが、両方とするのが好ましい。
【0012】
【発明の実施の形態】
以下に、本発明の実施形態を具体的に説明する。
【0013】
図1および図2は共に本発明に係るコネクタの構成を示す正面断面図であり、図1はリテーナの完全挿入前の状態を、図2はリテーナの完全挿入後の状態をそれぞれ示している。
【0014】
本実施形態のコネクタは、コネクタハウジング1の内部に、両端が開口したキャビティ2a、2bが2つ上下に形成されており、下側のキャビティ2aの下には底面3が、同キャビティ2aの上には隔壁4が、上側のキャビティ2bの上には天井面5が形成されている。上記底面3及び天井面5はコネクタハウジング1の側面の一部を構成する。また、底面3と隔壁4には、リテーナ挿入孔3a、4aが左右方向の同じ箇所にほぼ同一形状に形成されている。上記リテーナ挿入孔3a、4aには、リテーナ7が底面3側から内部に向けた上方向(リテーナ挿入方向A)に挿入される。
【0015】
各キャビティ2a、2bの内部にはそれぞれ、例えば雌端子10が、相手側の雄端子(図示せず)との嵌合面側(図の左側)に向けて挿入されて取付けられている。この取付け状態の各雌端子10は、各キャビティ2a、2bの嵌合面側の開口を小さくして形成された端子抜け防止部1aにより、嵌合面側へ抜けるのを防止され、一方、各キャビティ2a、2bの上側に形成されているランス6a、6bが仮係止用に係合され、端子挿入側(図の右側)へ抜けるのを防止される。
【0016】
また、各雌端子10は金属製のものからなり、前側(嵌合面側)に雄端子(図示せず)が嵌合される端子箱部11と、この後側にリテーナ7が係止されるリテーナ係止部12と、この後側に電線13を係止する電線係止部14とを有し、上記端子箱部11から後側に向けて延出され、途中から前記リテーナ挿入方向Aに向けて角度θ(<90゜)で曲折された弾性片15が形成されている(図1参照)。
【0017】
上記リテーナ7には、各キャビティ2a、2bに対応する貫通孔7a、7bと、底面3と隔壁4に対応する壁面7c、7dとが形成されている。このリテーナ7は、雌端子10のキャビティへの取付け前に、図1に示す完全挿入前の状態に挿入し、その状態のとき貫通孔7a、7bに各雌端子10を通すようにすることで各雌端子10の取付けが行われ、その雌端子10の取付け後に、リテーナ7を更にリテーナ挿入方向Aに挿入することで図2に示す完全挿入後の状態とされる。
【0018】
次に、このように構成されたコネクタの組立て手順につき説明する。
【0019】
先ず、コネクタハウジング1に対して、リテーナ7をリテーナ挿入孔3a、4aに完全挿入前の状態で挿入し、キャビティ2a、2bおよび貫通孔7a、7bを通るように雌端子10を嵌合面側(図の左側)に向けて挿入して取付ける。これに伴い、ランス6a、6bが雌端子10に仮係止用に係合される。
【0020】
続いて、リテーナ7を完全挿入後の状態に挿入する。すると、リテーナ7は、その壁面7c、7dの嵌合面側の端部が各雌端子10に設けた弾性片15をθが大となるように撓む状態に取付けられ、弾性片15にはリテーナ7から嵌合面側に押し付けられる力を受ける。
【0021】
したがって、このようにして組立てられたコネクタにおいては、弾性片15がリテーナ7から嵌合面側に押し付けられる力を受けて、各雌端子10が端子抜け防止部1aに当接する状態でコネクタハウジング1に固定される。このため、各雌端子10の嵌合方向(図の左右方向)でのガタが少なくなる。よって、各雌端子10に、図示しない雄端子を電気的に接続すべく嵌合させても、両端子同士の嵌合状態は、コネクタが車体側からの振動を受けても、コネクタハウジング1内での端子の移動が抑制されることで確実に保持され、劣化が起こり難くなる。
【0022】
図3は、本発明の他の実施形態を示す正面断面図である。なお、図3の左側が嵌合面側である。
【0023】
この実施形態においては、雌端子10の弾性片15の先に、リテーナ挿入方向Aとほぼ直交する第2弾性片15aが延設されている。
【0024】
この構成による場合には、第2弾性片15aがリテーナ7の壁面7c、7dからリテーナ挿入方向の力を受けるので、雌端子10の嵌合方向でのガタが少なくなることに加えて、雌端子10の嵌合方向とほぼ直交する方向(リテーナ挿入方向A)でのガタが少なくなる。よって、雌端子と雄端子の嵌合状態は更に確実に保持され、劣化が極めて起こり難くなる。
【0025】
なお、上述した実施形態では、コネクタハウジングに雌端子を取付ける場合に適用しているが、本発明はこれに限らず、コネクタハウジングに雄端子を取付ける場合にも同様に適用することができる。また、本発明のコネクタは、雌端子と雄端子の両方に適用するのが、振動による劣化防止の点で好ましい。但し、雄端子に本発明を適用する場合には、端子箱部11の形成が省略されるが、弾性片15や、弾性片15及び第2弾性片15aはリテーナと係合する適当な部分に形成すればよい。
【0026】
また、上述した実施形態では、コネクタハウジングに2つのキャビティが設けられたコネクタに適用しているが、本発明はこれに限らず、コネクタハウジングに1つ、或いは3以上のキャビティが設けられたコネクタにも適用することができる。
【0027】
【発明の効果】
以上詳述したごとく、本発明による場合には、端子の弾性片がリテーナから嵌合面側に押し付けられる力を受けるので、端子が嵌合面側に押し付けられた状態でコネクタハウジングに固定されるため、端子の嵌合方向でのガタが少なくなり、コネクタが車体側からの振動を受けても、コネクタハウジング内での端子の移動が抑制されることで端子同士の嵌合状態はより確実に保持され、劣化を起こり難くすることができる。特に、前記弾性片の先に、リテーナからリテーナ挿入方向の力を受けるようにリテーナ挿入方向とほぼ直交する方向に向けた第2弾性片が延設されている構成とすることにより、端子の嵌合方向でのガタが少なくなることに加えて、端子の嵌合方向とほぼ直交する方向(リテーナ挿入方向)でのガタを少なくでき、端子同士の嵌合状態を更に確実に保持させ得る。
【図面の簡単な説明】
【図1】本発明に係るコネクタの構成を示す正面断面図であり、リテーナの完全挿入前の状態を示す。
【図2】本発明に係るコネクタの構成を示す正面断面図であり、リテーナの完全挿入後の状態を示す。
【図3】本発明の他の実施形態を示す正面断面図である。
【符号の説明】
1 コネクタハウジング
2a、2b キャビティ
7 リテーナ
10 雌端子
12 リテーナ係止部
15 弾性片
15a 第2弾性片
[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a connector that is mounted on a vehicle, for example, and can firmly connect an electrical connection portion against vibration from a vehicle body.
[0002]
[Prior art]
Various electronic components and electrical components mounted on the automobile are electrically connected to the battery via connectors.
[0003]
The electrical connection by such a connector is performed by fitting a male terminal provided on one of the two connectors with a female terminal provided on the other.
[0004]
[Problems to be solved by the invention]
By the way, in recent years, the weight reduction of automobiles has been promoted, and the weight reduction and high rigidity of engines have been promoted. In association with this, vibrations more intense than those in the conventional case tend to be transmitted to the connector. ing.
[0005]
On the other hand, the terminals are attached with a backlash in the connector housing, and even if the male and female housings are firmly fitted to each other, it is difficult to reliably maintain the connection state between both terminals. ing. In other words, in the past, there is some backlash between the connector housing and the terminals assembled to the connector housing. Therefore, even if the housings of both connectors are fitted together, there is a possibility that the two terminals may shift from each other due to the backlash. In particular, when severe vibration is applied, the contact load connecting the terminals cannot be increased due to the downsizing of the connector, and such a displacement movement cannot be prevented only by the contact load between both terminals. . For this reason, there is a concern that deterioration due to wear may easily occur due to sliding or movement of the connecting portion of both terminals.
[0006]
The present invention has been made to solve the problems of the prior art as described above, and even when subjected to vibration, the movement of the terminals in the housing can be suppressed and the fitting state between the terminals can be reliably held, It is an object of the present invention to provide a connector that is less likely to deteriorate.
[0007]
[Means for Solving the Problems]
In the connector of the present invention, one or more cavities whose both ends are open are formed inside the connector housing, and each terminal is inserted and attached to each cavity toward the mating surface with the mating terminal. The connector is inserted and mounted in a state in which the retainer engages with each terminal from the side of the connector housing toward the inside in order to prevent the terminal from coming off, and each of the terminals has an engaging portion with the retainer. The elastic piece is formed so as to receive a force pressed from the retainer toward the fitting surface, and a direction substantially perpendicular to the retainer insertion direction so as to receive a force in the retainer insertion direction from the retainer at the tip of the elastic piece. A second elastic piece directed toward the surface is extended .
[0008]
In this connector, since the elastic piece of the terminal receives a force that is pressed from the retainer to the mating surface, the terminal is fixed to the connector housing in a state of being pressed to the mating surface. There is less play in the direction. Therefore, even if the connector receives vibration from the vehicle body side, the movement of the terminals in the housing is suppressed, the fitting state between the terminals is more reliably maintained, and deterioration is less likely to occur.
[0010]
In the case of this connector , in addition to less play in the terminal fitting direction, play in a direction substantially perpendicular to the terminal fitting direction (retainer insertion direction) is reduced. Therefore, the fitting state between the terminals is more reliably maintained.
[0011]
Here, the terminal may be one of a male terminal and a female terminal which are fitted to each other, but preferably both.
[0012]
DETAILED DESCRIPTION OF THE INVENTION
Embodiments of the present invention will be specifically described below.
[0013]
1 and 2 are both front sectional views showing the structure of the connector according to the present invention. FIG. 1 shows a state before the retainer is completely inserted, and FIG. 2 shows a state after the retainer is completely inserted.
[0014]
In the connector of this embodiment, two cavities 2a and 2b that are open at both ends are formed in the connector housing 1, and a bottom surface 3 is located below the lower cavity 2a and above the cavity 2a. A partition wall 4 is formed on the upper cavity 2b and a ceiling surface 5 is formed on the upper cavity 2b. The bottom surface 3 and the ceiling surface 5 constitute part of the side surface of the connector housing 1. Retainer insertion holes 3a and 4a are formed in the bottom surface 3 and the partition wall 4 in substantially the same shape at the same place in the left-right direction. In the retainer insertion holes 3a, 4a, the retainer 7 is inserted in the upward direction (retainer insertion direction A) from the bottom surface 3 side.
[0015]
In each cavity 2a, 2b, for example, a female terminal 10 is inserted and attached toward a fitting surface side (left side in the figure) with a mating male terminal (not shown). Each female terminal 10 in this attached state is prevented from coming out to the fitting surface side by a terminal removal preventing portion 1a formed by reducing the opening on the fitting surface side of each cavity 2a, 2b. The lances 6a and 6b formed on the upper sides of the cavities 2a and 2b are engaged for temporary locking, and are prevented from coming out to the terminal insertion side (right side in the figure).
[0016]
Each female terminal 10 is made of metal, and a terminal box portion 11 in which a male terminal (not shown) is fitted on the front side (fitting surface side), and a retainer 7 is locked on the rear side. A retainer locking portion 12 and a wire locking portion 14 for locking the electric wire 13 on the rear side. The retainer locking portion 12 extends from the terminal box portion 11 toward the rear side. An elastic piece 15 bent at an angle θ (<90 °) is formed (see FIG. 1).
[0017]
The retainer 7 is formed with through holes 7a and 7b corresponding to the cavities 2a and 2b, and wall surfaces 7c and 7d corresponding to the bottom surface 3 and the partition walls 4, respectively. The retainer 7 is inserted into the state before complete insertion shown in FIG. 1 before the female terminal 10 is attached to the cavity, and in this state, the female terminals 10 are passed through the through holes 7a and 7b. Each female terminal 10 is attached, and after the female terminal 10 is attached, the retainer 7 is further inserted in the retainer insertion direction A to obtain a state after complete insertion shown in FIG.
[0018]
Next, the assembly procedure of the connector configured as described above will be described.
[0019]
First, with respect to the connector housing 1, the retainer 7 is inserted into the retainer insertion holes 3a and 4a in a state before being completely inserted, and the female terminal 10 is fitted to the fitting surface side so as to pass through the cavities 2a and 2b and the through holes 7a and 7b. Insert it toward (left side of the figure). Accordingly, the lances 6a and 6b are engaged with the female terminal 10 for temporary locking.
[0020]
Subsequently, the retainer 7 is inserted into a state after complete insertion. Then, the retainer 7 is attached so that the end of the wall surface 7c, 7d on the fitting surface side bends the elastic piece 15 provided on each female terminal 10 so that θ becomes large. A force pressed from the retainer 7 toward the fitting surface is received.
[0021]
Therefore, in the connector assembled in this way, the connector housing 1 is in a state in which each of the female terminals 10 is in contact with the terminal disconnection preventing portion 1a under the force that the elastic piece 15 is pressed from the retainer 7 toward the fitting surface. Fixed to. For this reason, the backlash in the fitting direction (left-right direction in the figure) of each female terminal 10 is reduced. Therefore, even if each female terminal 10 is fitted to connect a male terminal (not shown) to each other, the fitting state between the two terminals is such that even if the connector receives vibration from the vehicle body side, By restraining the movement of the terminal at the terminal, the terminal is reliably held and deterioration is unlikely to occur.
[0022]
FIG. 3 is a front cross-sectional view showing another embodiment of the present invention. In addition, the left side of FIG. 3 is a fitting surface side.
[0023]
In this embodiment, a second elastic piece 15 a that is substantially orthogonal to the retainer insertion direction A is provided at the tip of the elastic piece 15 of the female terminal 10.
[0024]
In this configuration, since the second elastic piece 15a receives a force in the retainer insertion direction from the wall surfaces 7c and 7d of the retainer 7, in addition to the backlash in the fitting direction of the female terminal 10, the female terminal The backlash in the direction (retainer insertion direction A) substantially orthogonal to the fitting direction of 10 is reduced. Therefore, the fitting state between the female terminal and the male terminal is more reliably maintained, and the deterioration is hardly caused.
[0025]
In addition, in embodiment mentioned above, although applied when attaching a female terminal to a connector housing, this invention is applicable not only when this but attaching a male terminal to a connector housing similarly. The connector of the present invention is preferably applied to both the female terminal and the male terminal from the viewpoint of preventing deterioration due to vibration. However, when the present invention is applied to the male terminal, the formation of the terminal box portion 11 is omitted, but the elastic piece 15, the elastic piece 15, and the second elastic piece 15a are provided at appropriate portions that engage with the retainer. What is necessary is just to form.
[0026]
In the above-described embodiment, the present invention is applied to a connector in which two cavities are provided in the connector housing. However, the present invention is not limited to this, and a connector in which one or three or more cavities are provided in the connector housing. It can also be applied to.
[0027]
【The invention's effect】
As described above in detail, in the case of the present invention, since the elastic piece of the terminal receives a force pressed from the retainer to the fitting surface side, the terminal is fixed to the connector housing in a state of being pressed to the fitting surface side. Therefore, the backlash in the fitting direction of the terminals is reduced, and even if the connector receives vibration from the vehicle body side, the movement of the terminals in the connector housing is suppressed, so that the fitting state between the terminals is more reliable. It is held and can be made difficult to deteriorate. In particular, the second elastic piece extending in a direction substantially orthogonal to the retainer insertion direction so as to receive a force in the retainer insertion direction from the retainer is provided at the tip of the elastic piece, so that the terminal is fitted. In addition to less play in the mating direction, play in the direction substantially orthogonal to the fitting direction of the terminals (retainer insertion direction) can be reduced, and the fitted state between the terminals can be held more reliably.
[Brief description of the drawings]
FIG. 1 is a front sectional view showing a configuration of a connector according to the present invention, and shows a state before a retainer is completely inserted.
FIG. 2 is a front sectional view showing the configuration of the connector according to the present invention, and shows a state after the retainer is completely inserted.
FIG. 3 is a front sectional view showing another embodiment of the present invention.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Connector housing 2a, 2b Cavity 7 Retainer 10 Female terminal 12 Retainer latching | locking part 15 Elastic piece 15a 2nd elastic piece

Claims (1)

コネクタハウジングの内部に両端が開口したキャビティが1または2以上形成され、各キャビティに対して各々端子が、相手端子との嵌合面側に向けて挿入されて取付けられるとともに、その端子の抜け止めをすべくコネクタハウジングの側面側から内部に向けてリテーナが各端子と係合する状態に挿入装着されるコネクタであって、
上記各端子は、リテーナとの係合部を有し、該リテーナから嵌合面側に押し付けられる力を受けるように弾性片が形成され、その弾性片の先に、リテーナからリテーナ挿入方向の力を受けるようにリテーナ挿入方向とほぼ直交する方向に向けた第2弾性片が延設されていることを特徴とするコネクタ。
One or more cavities with both ends open are formed inside the connector housing, and each terminal is inserted and attached to each cavity toward the mating surface with the mating terminal, and the terminal is prevented from coming off. A connector inserted and mounted in a state in which the retainer engages with each terminal from the side of the connector housing toward the inside,
Each of the terminals has an engaging portion with the retainer, and an elastic piece is formed so as to receive a force pressed from the retainer toward the fitting surface side. A force in the retainer insertion direction from the retainer is formed at the tip of the elastic piece. And a second elastic piece extending in a direction substantially perpendicular to the retainer insertion direction so as to receive the connector.
JP2002001778A 2002-01-08 2002-01-08 connector Expired - Fee Related JP3980356B2 (en)

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JP2003203707A JP2003203707A (en) 2003-07-18
JP3980356B2 true JP3980356B2 (en) 2007-09-26

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