JP2009099411A - Contact connection structure - Google Patents

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JP2009099411A
JP2009099411A JP2007270478A JP2007270478A JP2009099411A JP 2009099411 A JP2009099411 A JP 2009099411A JP 2007270478 A JP2007270478 A JP 2007270478A JP 2007270478 A JP2007270478 A JP 2007270478A JP 2009099411 A JP2009099411 A JP 2009099411A
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contact
case member
connection terminal
connection
case
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JP5024945B2 (en
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Keiji Jinno
圭史 神野
Takehisa Suzuki
剛寿 鈴木
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Yazaki Corp
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Abstract

<P>PROBLEM TO BE SOLVED: To reduce manufacturing cost, and to improve productivity in a conductive connection structure between contacts arranged separately in two case members. <P>SOLUTION: In the contact connection structure for conductively connecting a first connection terminal 41 having a first contact 41a fitted to a first case member 33 side and a third contact 47a fitted to a second case member 35 side mounted to the first case member 33, the first connection terminal 41 providing the first contact 41a and the second connection terminal 47 providing the third contact 47a are so constituted that the first contact 41a and the third contact 47a come in direct contact with each other to be in electrically conductive connection, when the second case member 35 is fitted to the first case member 33. Thus, there is no need of using a flexible printing cable, and it is possible to reduce the number of components and omit a soldering process. <P>COPYRIGHT: (C)2009,JPO&INPIT

Description

本発明は、導通接続させる接点相互が、互いに突き合わせ接続される２つのケース部材に分かれて配置される車載用電装品において、対応する接点間を導通接続させる接点接続構造に関する。   The present invention relates to a contact connection structure for electrically connecting corresponding contacts in an in-vehicle electrical component in which contacts to be conductively connected are divided into two case members that are connected to each other.

図１８〜図２０は、２つのケース部材により構成される車載用電装品の従来例を示したものである。   18 to 20 show conventional examples of in-vehicle electrical components constituted by two case members.

ここに示した車載用電装品１は、車載用ＣＣＤ（Charge Coupled Device）カメラユニットとして利用されるもので、一側に開口部３ａを有した第１のケース部材（カメラケース）３と、この第１のケース部材３の開口部３ａを覆うように該第１のケース部材３に組み付けられる第２のケース部材（カメラカバー）５と、この第２のケース部材５内に収容する制御機器（カメラレンズ素子）７が表面に搭載されるとともに裏面側を第１のケース部材３側に向けて当該第２のケース部材５に取り付けられる回路基板(カメラ基板)９と、該回路基板９の裏面に対向するように第１のケース部材３内に配置される第１接点１１と、この第１接点１１との導通接続のために回路基板９の裏面に取り付けられたコネクタ１３とを備えている。   The in-vehicle electrical component 1 shown here is used as an in-vehicle CCD (Charge Coupled Device) camera unit, and includes a first case member (camera case) 3 having an opening 3a on one side, A second case member (camera cover) 5 assembled to the first case member 3 so as to cover the opening 3 a of the first case member 3, and a control device (within the second case member 5) A circuit board (camera substrate) 9 mounted on the second case member 5 with the camera lens element) 7 mounted on the front surface and the back side facing the first case member 3, and the back surface of the circuit board 9 The first contact 11 disposed in the first case member 3 so as to face the first contact member 11, and the connector 13 attached to the back surface of the circuit board 9 for electrical connection with the first contact 11. .

コネクタ１３は、スライダと呼ばれる摺動接点部材１５が嵌合装着されるスライダ嵌合部１３ａを有しており、また、図示はしていないが、一端にはスライダ嵌合部１３ａに装着された摺動接点部材１５と導通接続される第３接点を有し、且つ他端には回路基板９を介して制御機器７へ導通接続される第４接点を有した第２接続端子が内蔵されている。   The connector 13 has a slider fitting portion 13a to which a sliding contact member 15 called a slider is fitted and attached. Although not shown, the connector 13 is attached to the slider fitting portion 13a at one end. A second connection terminal having a third contact that is conductively connected to the sliding contact member 15 and a fourth contact that is conductively connected to the control device 7 via the circuit board 9 is incorporated at the other end. Yes.

以上の車載用電装品１では、第２のケース部材５と第１のケース部材３との組み立て誤差、あるいは回路基板９と第２のケース部材５との組み立て誤差により、第１接点１１とコネクタ１３との間の位置ずれが生じ易い。   In the on-vehicle electrical component 1 described above, the first contact 11 and the connector are caused by an assembly error between the second case member 5 and the first case member 3 or an assembly error between the circuit board 9 and the second case member 5. 13 is easily misaligned.

そこで、第１接点１１とコネクタ１３との間に生じる位置ずれを吸収するために、第１接点１１とコネクタ１３との間は、図２０に示すフレキシブルプリントケーブル１７を使って接続するようにしている。   Therefore, in order to absorb the positional deviation that occurs between the first contact 11 and the connector 13, the first contact 11 and the connector 13 are connected using the flexible printed cable 17 shown in FIG. Yes.

フレキシブルプリントケーブル１７は、下記特許文献１にも開示されているように、可撓性フィルム上に導通路を印刷形成したフレキシブルプリント体１７ａの一端に第１接点１１に半田付けされる半田付け端子部１７ｂを備え、かつ、フレキシブルプリント体１７ａの他端にコネクタ１３のスライダ嵌合部１３ａに嵌合接続される摺動接点部材１５を備えたものである。   The flexible printed cable 17 is a soldering terminal that is soldered to the first contact 11 at one end of a flexible printed body 17a in which a conductive path is printed on a flexible film, as disclosed in Patent Document 1 below. And a sliding contact member 15 that is fitted and connected to the slider fitting portion 13a of the connector 13 at the other end of the flexible printed body 17a.

特開２００５−３２２５３２号公報JP 2005-322532 A

ところが、２つのケース部材３，５に分けて配置された接点相互の導通接続に、フレキシブルプリントケーブル１７を使用する従来の接点接続構造では、フレキシブルプリントケーブル１７が複数の部品から構成されていて、構成部品点数の増加を招くため、製造コストが高価になるという問題が生じた。   However, in the conventional contact connection structure using the flexible printed cable 17 for the conductive connection between the contacts arranged separately in the two case members 3 and 5, the flexible printed cable 17 is composed of a plurality of parts. The increase in the number of components causes a problem that the manufacturing cost is high.

また、フレキシブルプリントケーブル１７の一端に装備された半田付け端子部１７ｂと第１接点１１との導通接続には半田付け処理が必要で、半田付け処理に手間がかかること、更に、フレキシブルプリント体１７ａが短く、しかも摺動接点部材１５も小さいため、摺動接点部材１５をコネクタ１３のスライダ嵌合部１３ａに嵌合させる作業が行い難いことが原因となって、生産性の向上が難しいという問題が生じた。   In addition, a soldering process is required for the conductive connection between the soldering terminal portion 17b provided at one end of the flexible printed cable 17 and the first contact point 11, and it takes time and effort for the soldering process, and the flexible printed body 17a. Is short, and the sliding contact member 15 is also small, and it is difficult to improve the productivity due to the difficulty of fitting the sliding contact member 15 to the slider fitting portion 13a of the connector 13. Occurred.

本発明の目的は、上記問題を解決することにあり、２つのケース部材に分けて配置された接点相互の導通接続を、構成部品点数の増加を招くことがなく、また、手間のかかる半田付け処理を必要とせずに実現することができ、構成部品点数の削減や半田付け工程の廃止による工程削減等によって、製造コストの削減や生産性の向上を図ることのできる接点接続構造を提供することにある。   An object of the present invention is to solve the above-described problem, and the conductive connection between the contacts arranged in two case members does not cause an increase in the number of components and is troublesome soldering. Providing a contact connection structure that can be realized without the need for processing, and that can reduce manufacturing costs and improve productivity by reducing the number of components and eliminating the soldering process. It is in.

本発明の目的は、下記構成により達成される。
（１） 一側に開口部を有した第１のケース部材と、この第１のケース部材の開口部を覆うように該第１のケース部材に組み付けられる第２のケース部材と、この第２のケース部材内に収容する制御機器が表面に搭載されるとともに裏面側を前記第１のケース部材側に向けて前記第２のケース部材に取り付けられる回路基板と、該回路基板の裏面に対向するように前記第１のケース部材内に配置される第１接点を有する第１接続端子と、前記第１接点に導通接続される第３接点と前記制御機器へ導通接続される第４接点とを有した第２接続端子を収容して前記回路基板の裏面に取り付けられるコネクタとを備える車載用電装品において、前記第１接点と前記第３接点とを導通接続させる接点接続構造であって、
前記第１接点を提供する前記第１接続端子と前記第３接点を提供する第２接続端子とを、第１のケース部材に第２のケース部材を組み付けたとき、前記第１接点と第３接点とが直接接触して前記第１接点と前記第３接点とが導通接続状態になるように構成したことを特徴とする接点接続構造。 The object of the present invention is achieved by the following configurations.
(1) a first case member having an opening on one side, a second case member assembled to the first case member so as to cover the opening of the first case member, and the second case member A control device to be housed in the case member is mounted on the front surface, and a circuit board is attached to the second case member with the back side facing the first case member, and the back surface of the circuit board is opposed to the circuit board. A first connection terminal having a first contact disposed in the first case member, a third contact electrically connected to the first contact, and a fourth contact electrically connected to the control device. In a vehicle-mounted electrical component that includes a connector that accommodates the second connection terminal that is provided and is attached to the back surface of the circuit board, the contact connection structure that electrically connects the first contact and the third contact,
When the second case member is assembled to the first case member with the first connection terminal providing the first contact and the second connection terminal providing the third contact, the first contact and the third contact A contact connection structure characterized in that the first contact and the third contact are in a conductive connection state by direct contact with the contact.

（２） 前記第１接点を提供する第１接続端子は、第１及び第２のケース部材相互の突き合わせ方向に沿って延びるとともに、その第２のケース部材側の端面が前記第１接点となる軸状構造で、インサート成形により第１のケース部材に一体装備され、
前記第３接点を提供する第２接続端子は、金属板のプレス成形品で、第３接点と第１接点との接触時に第３接点が第１接続端子の軸方向に弾性変位してケース部材相互の突き合わせ方向に生じる組み立て誤差を吸収するように、第３接点と第４接点との間に、第３接点に第１接続端子の軸方向への弾性変位量を確保する蛇行部を設けたことを特徴とする前記（１）記載の接点接続構造。 (2) The first connection terminal that provides the first contact extends along the abutting direction of the first and second case members, and the end surface on the second case member side serves as the first contact. The shaft-shaped structure is integrated with the first case member by insert molding.
The second connection terminal providing the third contact is a press-formed product of a metal plate, and the case contact member is elastically displaced in the axial direction of the first connection terminal when the third contact and the first contact are brought into contact with each other. A meandering portion for securing an elastic displacement amount in the axial direction of the first connection terminal is provided at the third contact between the third contact and the fourth contact so as to absorb an assembly error generated in the mutual butting direction. The contact connection structure according to (1), wherein

（３） 前記第２接続端子は、前記第３接点側が分割されて、第１接続端子の軸方向に位置をずらした複数の第３接点部が備えられていることを特徴とする前記（３）記載の接点接続構造。   (3) The second connection terminal is provided with a plurality of third contact portions that are divided on the third contact side and shifted in the axial direction of the first connection terminal. ) Contact connection structure as described.

（４） 前記第１接続端子の第１接点となる端面は、他端側よりも拡径されて、第３接点との接触面積に余裕が付与されていることを特徴とする前記（２）又は（３）記載の接点接続構造。   (4) The end surface which becomes the first contact of the first connection terminal is larger in diameter than the other end side, and a margin is given to the contact area with the third contact (2) Or the contact connection structure of (3) description.

（５） 前記第１接点を提供する第１接続端子は、第１及び第２のケース部材相互の突き合わせ方向に沿って延びるとともに、その第２のケース部材側の外側面が前記第１接点となる軸状構造で、インサート成形により第１のケース部材に一体装備され、
前記第３接点を提供する第２接続端子は、金属板のプレス成形品で、第３接点が第１接点に摺接する時に第３接点が前記第１接続端子の径方向に弾性変位して、第１接点と第３接点との摺接面に直交する方向に生じる組み立て誤差を許容するように、第３接点と第４接点との間に、第３接点に前記摺接面に直交する方向への弾性変位量を確保する蛇行部を設けたことを特徴とする前記（１）記載の接点接続構造。 (5) The first connection terminal that provides the first contact extends along the abutting direction between the first and second case members, and the outer surface on the second case member side is in contact with the first contact. It is a shaft-like structure that is integrated with the first case member by insert molding,
The second connection terminal providing the third contact is a metal plate press-molded product, and the third contact is elastically displaced in the radial direction of the first connection terminal when the third contact is in sliding contact with the first contact. A direction perpendicular to the sliding surface between the third contact and the fourth contact so as to allow an assembly error that occurs in a direction perpendicular to the sliding surface between the first contact and the third contact. The contact connection structure according to the above (1), wherein a meandering portion is provided to ensure an elastic displacement amount.

前記（１）の構成によれば、２つのケース部材に分けて配置された第１接点及び第３接点の接点相互の導通接続は、それぞれの接点を提供する第１接続端子及び第２接続端子の構造を工夫することにより、それぞれの接点の直接接触により実現するもので、部品点数の増加の原因となっていたフレキシブルプリントケーブルの使用が不要になる。また、フレキシブルプリントケーブルの廃止により、半田付け工程の省略も可能になる。更に、２つのケース部材相互を組み付ける作業自体で、自動的に第１接点と第３接点とが直接接触するため、摺動接点部材をコネクタに嵌合接続するような特別な接続操作も必要とならない。   According to the configuration of (1), the first contact terminal and the third contact terminal that are arranged in two case members are connected to each other by the first connection terminal and the second connection terminal that provide the respective contacts. By devising this structure, it is realized by direct contact of each contact point, and the use of a flexible printed cable that has caused an increase in the number of parts becomes unnecessary. Also, the soldering process can be omitted by eliminating the flexible printed cable. Furthermore, since the first contact and the third contact are automatically brought into direct contact with each other in the operation of assembling the two case members themselves, a special connection operation for fitting and connecting the sliding contact member to the connector is also required. Don't be.

したがって、２つのケース部材に分けて配置された第１接点及び第３接点の接点相互の導通接続を、構成部品点数の増加を招くことがなく、また、手間のかかる半田付け処理を必要とせずに実現することができ、構成部品点数の削減や半田付け工程の廃止による工程削減等によって、製造コストの削減や生産性の向上を図ることができる。   Therefore, the conductive connection between the first contact and the third contact arranged separately in the two case members does not increase the number of components and does not require a troublesome soldering process. The manufacturing cost can be reduced and the productivity can be improved by reducing the number of components and reducing the number of processes by eliminating the soldering process.

前記（２）の構成によれば、第２のケース部材と第１のケース部材との組み立て誤差、あるいは回路基板と第２のケース部材との組み立て誤差等により、第１接点と第３接点との間に、第１及び第２のケース部材相互の突き合わせ方向の位置ずれが生じている場合でも、この位置ずれは、第３接点を提供する第２接続端子の蛇行部の弾性変形により吸収することができ、ケース部材相互の突き合わせ方向の位置ずれに起因した接触不良の発生を防止することができる。   According to the configuration of (2), the first contact and the third contact are caused by an assembly error between the second case member and the first case member or an assembly error between the circuit board and the second case member. Even if there is a misalignment in the butting direction between the first and second case members during this period, this misalignment is absorbed by the elastic deformation of the meandering portion of the second connection terminal that provides the third contact. It is possible to prevent the occurrence of contact failure due to the positional deviation in the butting direction between the case members.

前記（３）の構成によれば、それぞれの第３接点部の弾性変位域をずらして、第３接点として確保できる弾性変位量を拡大することができ、ケース部材相互の突き合わせ方向の位置ずれに対する吸収能力が向上して、より大きな位置ずれにも対応可能になる。   According to the configuration of (3), the elastic displacement area of each of the third contact portions can be shifted to increase the amount of elastic displacement that can be secured as the third contact, and against the displacement in the butting direction between the case members. Absorbing ability is improved, and it becomes possible to cope with larger displacement.

前記（４）の構成によれば、第１接点と第３接点との間に、第１及び第２のケース部材相互の突き合わせ方向に直交する方向の位置ずれが生じている場合でも、ケース部材相互の突き合わせ方向に直交する方向の位置ずれが第１接点の拡径による接触面積の余裕分の範囲内であれば、第１接点と第３接点との間に接触不良が生じることがなく、ケース部材相互の突き合わせ方向に直交する方向の位置ずれにも対応可能になる。   According to the configuration of (4) above, even when a positional deviation in the direction perpendicular to the abutting direction between the first and second case members occurs between the first contact and the third contact, the case member If the displacement in the direction perpendicular to the mutual butting direction is within the range of the contact area due to the diameter expansion of the first contact, there will be no contact failure between the first contact and the third contact, It is also possible to cope with a positional deviation in a direction perpendicular to the abutting direction between the case members.

前記（５）の構成によれば、軸状構造を成す第１接続端子の外側面が第１接点であり、第３接点が第１接続端子の外側面を摺動することで、第１及び第２のケース部材相互の突き合わせ方向の位置ずれを吸収できる。また、その時の吸収量を大きく設定することができる。   According to the configuration of (5), the outer surface of the first connection terminal forming the shaft-like structure is the first contact, and the third contact slides on the outer surface of the first connection terminal. Misalignment in the butting direction between the second case members can be absorbed. Moreover, the absorption amount at that time can be set large.

また、第２接続端子に設けた蛇行部の弾性変形によって第３接点は、第１接点と第３接点との摺接面に直交する方向に弾性変位して、第１接続端子の径方向（軸方向に直交する方向）の位置ずれを吸収する。したがって、２方向の位置ずれを吸収でき、より安定した電気的接続状態を得ることができる。   The third contact is elastically displaced in a direction perpendicular to the sliding contact surface between the first contact and the third contact by elastic deformation of the meandering portion provided in the second connection terminal, and the radial direction of the first connection terminal ( Absorbs misalignment in the direction perpendicular to the axial direction. Therefore, it is possible to absorb the positional deviation in two directions and obtain a more stable electrical connection state.

本発明による接点接続構造によれば、２つのケース部材に分けて配置された第１接点及び第３接点の接点相互の導通接続は、それぞれの接点を提供する第１接続端子及び第２接続端子の構造を工夫することにより、それぞれの接点の直接接触により実現するもので、部品点数の増加の原因となっていたフレキシブルプリントケーブルの使用が不要になる。また、フレキシブルプリントケーブルの廃止により、半田付け工程の省略も可能になる。更に、２つのケース部材相互を組み付ける作業自体で、自動的に第１接点と第３接点とが直接接触するため、摺動接点部材をコネクタに嵌合接続するような特別な接続操作も必要とならない。   According to the contact connection structure of the present invention, the first contact terminal and the third contact arranged separately in two case members are connected to each other through the first connection terminal and the second connection terminal that provide the respective contacts. By devising this structure, it is realized by direct contact of each contact point, and the use of a flexible printed cable that has caused an increase in the number of parts becomes unnecessary. Also, the soldering process can be omitted by eliminating the flexible printed cable. Furthermore, since the first contact and the third contact are automatically brought into direct contact with each other in the operation of assembling the two case members themselves, a special connection operation for fitting and connecting the sliding contact member to the connector is also required. Don't be.

したがって、２つのケース部材に分けて配置された第１接点及び第３接点の接点相互の導通接続を、構成部品点数の増加を招くことがなく、また、手間のかかる半田付け処理を必要とせずに実現することができ、構成部品点数の削減や半田付け工程の廃止による工程削減等によって、製造コストの削減や生産性の向上を図ることができる。   Therefore, the conductive connection between the first contact and the third contact arranged separately in the two case members does not increase the number of components and does not require a troublesome soldering process. The manufacturing cost can be reduced and the productivity can be improved by reducing the number of components and reducing the number of processes by eliminating the soldering process.

以下、本発明に係る接点接続構造の好適な実施形態について、図面を参照して詳細に説明する。   DESCRIPTION OF EMBODIMENTS Hereinafter, a preferred embodiment of a contact connection structure according to the present invention will be described in detail with reference to the drawings.

図１は本発明に係る接点接続構造の第１実施形態の縦断面図とその一部の拡大図、図２（ａ）は図１に示した車載用電装品における第１のケース部材の外面側から見た斜視図、図２（ｂ）は図１に示した車載用電装品における第１のケース部材の内面側から見た斜視図とその一部の拡大図、図３は図１に示した第１のケース部材に組み付けられて第１接点を提供する第１接続端子の斜視図、図４（ａ）は図１に示した車載用電装品における第２のケース部材内の回路基板に搭載されるコネクタの斜視図、図４（ｂ）は図４（ａ）に示したコネクタに装備された第２接続端子の斜視図、図５は図１に示した回路基板に制御機器とコネクタが組み付けられた部分組立状態の斜視図、図６は図５に示した回路基板の部分組立体が図１に示した第２のケース部材に組み付けられた状態の縦断面図である。   FIG. 1 is a longitudinal sectional view of a first embodiment of a contact connection structure according to the present invention and an enlarged view of a part thereof, and FIG. 2A is an outer surface of a first case member in the in-vehicle electrical component shown in FIG. FIG. 2B is a perspective view seen from the inner surface side of the first case member in the in-vehicle electrical component shown in FIG. 1, and an enlarged view of a part thereof. FIG. FIG. 4A is a perspective view of a first connection terminal that is assembled to the first case member shown to provide a first contact, and FIG. 4A is a circuit board in the second case member of the on-vehicle electrical component shown in FIG. FIG. 4B is a perspective view of a second connection terminal provided in the connector shown in FIG. 4A, and FIG. 5 is a circuit board shown in FIG. FIG. 6 is a perspective view of a partial assembly state where the connector is assembled. FIG. 6 is a second view of the circuit board sub-assembly shown in FIG. It is a longitudinal sectional view of a state assembled to the over scan member.

この一実施形態の接点接続構造は、車載用ＣＣＤ（Charge Coupled Device）カメラユニットを組み込んだ車載用電装品３１に適用されている。   The contact connection structure of this embodiment is applied to an in-vehicle electrical component 31 incorporating an in-vehicle CCD (Charge Coupled Device) camera unit.

車載用電装品３１は、一側に開口部３３ａを有した第１のケース部材（カメラケース）３３と、この第１のケース部材３３の開口部３３ａを覆うように該第１のケース部材３３に組み付けられる第２のケース部材（カメラカバー）３５と、この第２のケース部材３５内に収容する制御機器（カメラレンズ素子）７が表面に搭載されるとともに裏面側を第１のケース部材３３側に向けて当該第２のケース部材３５に取り付けられる回路基板(カメラ基板)９と、該回路基板９の裏面に対向するように第１のケース部材３３内に配置される第１接点４１ａと、この第１接点４１ａとの導通接続のために回路基板９の裏面に取り付けられたコネクタ４３とを備えている。   The in-vehicle electrical component 31 includes a first case member (camera case) 33 having an opening 33 a on one side, and the first case member 33 so as to cover the opening 33 a of the first case member 33. A second case member (camera cover) 35 to be assembled to the camera and a control device (camera lens element) 7 accommodated in the second case member 35 are mounted on the front surface, and the back surface side is the first case member 33. A circuit board (camera board) 9 attached to the second case member 35 toward the side, and a first contact 41a disposed in the first case member 33 so as to face the back surface of the circuit board 9. The connector 43 is provided on the back surface of the circuit board 9 for electrical connection with the first contact 41a.

本実施形態の場合、図２及び図３に示すように、第１接点４１ａを提供する第１接続端子４１は、第１及び第２のケース部材３３，３５相互の突き合わせ方向（図１で矢印Ａで示す方向）に沿って延びるとともに、その第２のケース部材３５側の端面が上記の第１接点４１ａとなる軸状構造で、インサート成形により第１のケース部材３３に一体装備されている。   In the case of this embodiment, as shown in FIGS. 2 and 3, the first connection terminal 41 that provides the first contact 41 a is in the abutting direction between the first and second case members 33 and 35 (arrows in FIG. 1). The end surface on the second case member 35 side is a shaft-like structure that serves as the first contact point 41a, and is integrally mounted on the first case member 33 by insert molding. .

この第１接続端子４１の他端は、外部からの制御用ケーブル等を接続するための第２接点４１ｂである。この第２接点４１ｂは、第１のケース部材３３の外面に一体形成されたコネクタハウジング部３３ｂ内に突出した雄型端子構造で、外部からの制御用ケーブルに接続されたコネクタの雌型接続端子が嵌合接続される。   The other end of the first connection terminal 41 is a second contact 41b for connecting an external control cable or the like. The second contact 41b has a male terminal structure protruding into a connector housing portion 33b integrally formed on the outer surface of the first case member 33, and is a female connection terminal of a connector connected to an external control cable. Are fitted and connected.

本実施形態の場合、第１接続端子４１の第１接点４１ａとなる端面は、図３に示すように、他端側よりも拡径されて、後述する第３接点との接触面積に余裕が付与されている。   In the case of this embodiment, as shown in FIG. 3, the end surface which becomes the 1st contact 41a of the 1st connection terminal 41 is diameter-expanded rather than the other end side, and there is a margin in a contact area with the 3rd contact mentioned later. Has been granted.

コネクタ４３は、図４及び図５に示すように、回路基板９の裏面に取り付けられる樹脂製のコネクタハウジング４５に、金属板のプレス成形により形成された第２接続端子４７を収容保持させたものである。   As shown in FIGS. 4 and 5, the connector 43 has a resin connector housing 45 attached to the back surface of the circuit board 9 for accommodating and holding the second connection terminals 47 formed by press molding of a metal plate. It is.

第２接続端子４７は、図４（ｂ）に示すように、第１接点４１ａに導通接続される第３接点４７ａと、回路基板９上の回路パターンを介して制御機器７へ導通接続される第４接点４７ｂと、これらの両接点４７ａ，４７ｂ間を繋ぐ蛇行部４７ｃとを備えている。   As shown in FIG. 4B, the second connection terminal 47 is conductively connected to the control device 7 via the third contact 47a conductively connected to the first contact 41a and the circuit pattern on the circuit board 9. A fourth contact 47b and a meandering portion 47c connecting these two contacts 47a and 47b are provided.

第４接点４７ｂは、図４（ａ）に示したようにコネクタハウジング４５の外部に突出して設けられており、図５に示したように回路基板９の裏面にコネクタハウジング４５を取り付けた時に、回路基板９上の回路パターン９ａに弾性接触し、回路基板９の表面に装着されている制御機器７に回路パターン９ａを介して電気的に接続される。   The fourth contact 47b is provided to protrude outside the connector housing 45 as shown in FIG. 4A, and when the connector housing 45 is attached to the back surface of the circuit board 9 as shown in FIG. The circuit pattern 9a on the circuit board 9 is elastically contacted and electrically connected to the control device 7 mounted on the surface of the circuit board 9 via the circuit pattern 9a.

第３接点４７ａは、図６に示すように、回路基板９を第２のケース部材３５に取り付けた時、第１のケース部材３３に取り付けられている第１接点４１ａの直上に位置するように、コネクタハウジング４５内に位置決めされている。   As shown in FIG. 6, the third contact 47 a is positioned immediately above the first contact 41 a attached to the first case member 33 when the circuit board 9 is attached to the second case member 35. The connector housing 45 is positioned.

そして、回路基板９が装着された図６の第２のケース部材３５を第１のケース部材３３上に組み付けたとき、図１の拡大図に示すように、第１接点４１ａと第３接点４７ａとが直接接触して第１接点４１ａと第３接点４７ａとが導通接続状態になるように、蛇行部４７ｃの寸法等が設定されている。   When the second case member 35 of FIG. 6 to which the circuit board 9 is mounted is assembled on the first case member 33, as shown in the enlarged view of FIG. 1, the first contact 41a and the third contact 47a. And the first contact 41a and the third contact 47a are in a conductive connection state, and the dimension of the meandering portion 47c is set.

また、蛇行部４７ｃは、第３接点４７ａに第１接続端子４１の軸方向への所定幅の弾性変位量を確保していて、第３接点４７ａと第１接点４１ａとの接触時に第３接点４７ａが第１接続端子４１の軸方向に弾性変位してケース部材相互の突き合わせ方向に生じる組み立て誤差を吸収させると同時に、第３接点４７ａと第１接点４１ａとの間に適正な接触圧を確保して、良好な電気的接続特性を確保する。   Further, the meandering portion 47c secures an elastic displacement amount of a predetermined width in the axial direction of the first connection terminal 41 at the third contact 47a, and the third contact when the third contact 47a and the first contact 41a are in contact with each other. 47a is elastically displaced in the axial direction of the first connection terminal 41 to absorb the assembly error that occurs in the abutting direction between the case members, and at the same time, an appropriate contact pressure is secured between the third contact 47a and the first contact 41a. As a result, good electrical connection characteristics are ensured.

以上に説明した車載用電装品３１における接点接続構造では、２つのケース部材３３，３５に分けて配置された第１接点４１ａ及び第３接点４７ａの接点相互の導通接続は、それぞれの接点４１ａ，４７ａを提供する第１接続端子４１及び第２接続端子４７の構造を工夫することにより、それぞれの接点４１ａ，４７ａの直接接触により実現するもので、部品点数の増加の原因となっていたフレキシブルプリントケーブルの使用が不要になる。また、フレキシブルプリントケーブルの廃止により、半田付け工程の省略も可能になる。更に、2つのケース部材３３，３５相互を組み付ける作業自体で、自動的に第１接点４１ａと第３接点４７ａとが直接接触するため、摺動接点部材（スライダ）をコネクタに嵌合接続するような特別な接続操作も必要とならない。   In the contact connection structure in the in-vehicle electrical component 31 described above, the first contact 41a and the third contact 47a arranged separately in the two case members 33 and 35 are connected to each other by the contact 41a, A flexible print which has been realized by direct contact of the respective contact points 41a and 47a by devising the structure of the first connection terminal 41 and the second connection terminal 47 that provide 47a, and has caused an increase in the number of parts Use of a cable becomes unnecessary. Also, the soldering process can be omitted by eliminating the flexible printed cable. Furthermore, since the first contact 41a and the third contact 47a automatically come into direct contact with each other by the work itself of assembling the two case members 33 and 35, the sliding contact member (slider) is fitted and connected to the connector. No special connection operation is required.

したがって、2つのケース部材３３，３５に分けて配置された第１接点４１ａ及び第３接点４７ａの接点相互の導通接続を、構成部品点数の増加を招くことがなく、また、手間のかかる半田付け処理を必要とせずに実現することができ、構成部品点数の削減や半田付け工程の廃止による工程削減等によって、製造コストの削減や生産性の向上を図ることができる。   Therefore, the first and second contacts 41a and 47a arranged separately in the two case members 33 and 35 are connected to each other without causing an increase in the number of components and troublesome soldering. It can be realized without the need for processing, and the manufacturing cost can be reduced and the productivity can be improved by reducing the number of components and reducing the number of processes by eliminating the soldering process.

また、上記の車載用電装品３１における接点接続構造では、第３接点４７ａは該第３接点４７ａを提供する第２接続端子４７に装備した蛇行部４７ｃにより、第１接点４１ａの軸方向に弾性変位可能になっている。   Further, in the contact connection structure in the on-vehicle electrical component 31 described above, the third contact 47a is elastic in the axial direction of the first contact 41a by the meandering portion 47c provided in the second connection terminal 47 that provides the third contact 47a. Displaceable.

そのため、第２のケース部材３５と第１のケース部材３３との組み立て誤差、あるいは回路基板９と第２のケース部材３５との組み立て誤差等により、第１接点４１ａと第３接点４７ａとの間に、第１及び第２のケース部材３５相互の突き合わせ方向（第１接続端子４１の軸方向）の位置ずれが生じている場合でも、この位置ずれは、第３接点４７ａを提供する第２接続端子４７の蛇行部４７ｃの弾性変形により吸収することができ、ケース部材相互の突き合わせ方向の位置ずれに起因した接触不良の発生を防止することができる。   Therefore, due to an assembly error between the second case member 35 and the first case member 33 or an assembly error between the circuit board 9 and the second case member 35, the first contact 41 a and the third contact 47 a are not connected. Even if there is a positional shift in the abutting direction between the first and second case members 35 (the axial direction of the first connection terminal 41), this positional shift is the second connection that provides the third contact 47a. It can be absorbed by the elastic deformation of the meandering portion 47c of the terminal 47, and it is possible to prevent the occurrence of poor contact due to the positional deviation in the butting direction between the case members.

更に、上記の車載用電装品３１における接点接続構造では、第１接続端子４１の第１接点４１ａを提供する端面は、他端側よりも拡径されて、第３接点４７ａとの接触面積に余裕が付与されている。   Furthermore, in the contact connection structure in the above-described on-vehicle electrical component 31, the end surface of the first connection terminal 41 that provides the first contact 41a has a diameter larger than that of the other end, so that the contact area with the third contact 47a is increased. There is a margin.

そのため、第１接点４１ａと第３接点４７ａとの間に、第１及び第２のケース部材３５相互の突き合わせ方向（図２（ｂ）に示したＺ軸方向）に直交する方向（図２（ｂ）におけるＸ軸方向又はＹ軸方向）の位置ずれが生じている場合でも、ケース部材相互の突き合わせ方向に直交する方向の位置ずれが第１接点４１ａの拡径による接触面積の余裕分の範囲内であれば、第１接点４１ａと第３接点４７ａとの間に接触不良が生じることがなく、ケース部材相互の突き合わせ方向に直交する方向の位置ずれにも対応可能になる。   Therefore, between the first contact 41a and the third contact 47a, a direction (FIG. 2 (FIG. 2B)) perpendicular to the mutual abutting direction (Z-axis direction shown in FIG. 2B) between the first and second case members 35. Even in the case where a positional deviation in the X-axis direction or the Y-axis direction in b) occurs, the positional deviation in the direction orthogonal to the abutting direction between the case members is a margin of the contact area due to the diameter expansion of the first contact 41a. If it is inside, contact failure does not arise between the 1st contact 41a and the 3rd contact 47a, and it becomes possible to respond also to the position shift of the direction orthogonal to the butting direction between case members.

次に、本発明に係る接点接続構造の第２実施形態について説明する。
図７は本発明に係る接点接続構造の第２実施形態の縦断面図とその一部の拡大図、図８（ａ）は図７に示した車載用電装品における第２のケース部材内の回路基板に搭載されるコネクタの斜視図、図８（ｂ）は図８（ａ）に示したコネクタに装備された第２接続端子の斜視図、図９は図７に示した回路基板に制御機器とコネクタが組み付けられた部分組立状態の斜視図、図１０は図９に示した回路基板の部分組立体が図７に示した第２のケース部材に組み付けられた状態の縦断面図である。 Next, a second embodiment of the contact connection structure according to the present invention will be described.
FIG. 7 is a longitudinal sectional view of a second embodiment of the contact connection structure according to the present invention and an enlarged view of a part thereof, and FIG. 8A is a view showing the inside of the second case member in the in-vehicle electrical component shown in FIG. FIG. 8B is a perspective view of a second connection terminal mounted on the connector shown in FIG. 8A, and FIG. 9 is a control view of the circuit board shown in FIG. FIG. 10 is a perspective view of a partially assembled state in which the device and the connector are assembled. FIG. 10 is a longitudinal sectional view of the state in which the circuit board partial assembly shown in FIG. 9 is assembled to the second case member shown in FIG. .

この第２実施形態の接点接続構造は、第１実施形態で示した車載用電装品３１における第２接続端子４７の一部を改良したものである。   The contact connection structure of the second embodiment is obtained by improving a part of the second connection terminal 47 in the in-vehicle electrical component 31 shown in the first embodiment.

具体的には、図８（ｂ）に示したように、第２接続端子４７は、第３接点４７ａ側が分割されて、第１接続端子４１の軸方向に距離Ｌだけ位置をずらした２つの第３接点部４７ｄ，４７ｅが備えられて構成になっている。   Specifically, as shown in FIG. 8B, the second connection terminal 47 is divided into two parts that are divided by the distance L in the axial direction of the first connection terminal 41 by dividing the third contact 47 a side. Third contact portions 47d and 47e are provided.

第２接続端子４７の第３接点４７ａ側を２つの第３接点部４７ｄ，４７ｅに分割した構成以外は、第１実施形態と共通であり、共通の構成部分には同番号を付して説明を省略する。   Except for the configuration in which the third contact 47a side of the second connection terminal 47 is divided into two third contact portions 47d and 47e, the second connection terminal 47 is the same as the first embodiment. Is omitted.

このように第２接続端子４７の第３接点４７ａ側を２つの第３接点部４７ｄ，４７ｅに分割した構成にすると、それぞれの第３接点部４７ｄ，４７ｅの弾性変位域をずらして、第３接点４７ａとして確保できる弾性変位量を拡大することができ、ケース部材相互の突き合わせ方向の位置ずれに対する吸収能力が向上して、より大きな位置ずれにも対応可能になる。   When the third contact 47a side of the second connection terminal 47 is divided into two third contact portions 47d and 47e in this way, the elastic displacement areas of the respective third contact portions 47d and 47e are shifted and third The amount of elastic displacement that can be ensured as the contact point 47a can be increased, the absorption capacity for the positional deviation in the butting direction between the case members is improved, and a larger positional deviation can be dealt with.

図１１は図７に示した第１接続端子の第１接点と第２接続端子の第３接点との接触状態の説明図で、図１１（ａ）は組み立て誤差により第１接点と回路基板との間の離間距離が基準値よりも増大したときの接触状態の説明図で、第３接点部４７ｄのみが第１接点４１ａに接触した状態になっている。   FIG. 11 is an explanatory diagram of the contact state between the first contact of the first connection terminal and the third contact of the second connection terminal shown in FIG. 7, and FIG. 11 (a) shows the first contact and the circuit board due to assembly errors. It is explanatory drawing of a contact state when the distance between them increases more than a reference value, and only the 3rd contact part 47d is in the state which contacted the 1st contact 41a.

また、図１１（ｂ）は組み立て誤差が少なく第１接点と回路基板との間の離間距離が基準値のときの接触状態の説明図で、第３接点部４７ｄが第１接点４１ａとの接触による弾性変位によって第３接点部４７ｅの初期位置に移動していて、第３接点部４７ｄ，４７ｅが重なって見える。   FIG. 11B is an explanatory diagram of the contact state when the assembly error is small and the separation distance between the first contact and the circuit board is a reference value. The third contact portion 47d is in contact with the first contact 41a. It moves to the initial position of the 3rd contact part 47e by the elastic displacement by, and the 3rd contact parts 47d and 47e seem to overlap.

図１１（ｃ）は組み立て誤差により第１接点と回路基板との間の離間距離が基準値よりも減少したときの接触状態の説明図で、第３接点部４７ｄ，４７ｅのそれぞれが、第３接点部４７ｅの初期位置よりも更に奥に弾性変位している。   FIG. 11C is an explanatory diagram of a contact state when the separation distance between the first contact and the circuit board is reduced below a reference value due to an assembly error. Each of the third contact portions 47d and 47e is a third contact portion. It is elastically displaced further to the back than the initial position of the contact portion 47e.

次に、本発明に係る接点接続構造の第３実施形態について説明する。
図１２は本発明に係る接点接続構造の第３実施形態の縦断面図とその一部の拡大図、図１３（ａ）は図１２に示した車載用電装品における第１のケース部材の外面側から見た斜視図、図１３（ｂ）は図１２に示した車載用電装品における第１のケース部材の内面側から見た斜視図とその一部の拡大図、図１４は図１２に示した第１のケース部材に組み付けられて第１接点を提供する第１接続端子の斜視図で、図１５（ａ）は図１２に示した車載用電装品における第２のケース部材内の回路基板に搭載されるコネクタの斜視図、図１５（ｂ）は図１５（ａ）に示したコネクタに装備された第２接続端子の斜視図、図１６は図１２に示した回路基板に、制御機器とコネクタが組み付けられた部分組立状態の斜視図、図１７は図１６に示した回路基板の部分組立体が図１２に示した第２のケース部材に組み付けられた状態の縦断面図である。 Next, a third embodiment of the contact connection structure according to the present invention will be described.
12 is a longitudinal sectional view of a third embodiment of the contact connection structure according to the present invention and an enlarged view of a part thereof. FIG. 13A is an outer surface of the first case member in the on-vehicle electrical component shown in FIG. The perspective view seen from the side, FIG.13 (b) is the perspective view seen from the inner surface side of the 1st case member in the vehicle-mounted electrical equipment shown in FIG. 12, and the one part enlarged view, FIG. 14 is FIG. FIG. 15A is a perspective view of a first connection terminal that is assembled to the first case member shown to provide a first contact, and FIG. 15A is a circuit in the second case member of the in-vehicle electrical component shown in FIG. FIG. 15B is a perspective view of the second connection terminal mounted on the connector shown in FIG. 15A, and FIG. 16 is a control view of the circuit board shown in FIG. FIG. 17 is a perspective view of a partially assembled state in which a device and a connector are assembled, and FIG. 17 is a circuit board shown in FIG. Subassembly is a longitudinal sectional view of a state of being assembled to the second case member shown in FIG. 12.

この第３実施形態の接点接続構造では、第１実施形態で示した車載用電装品３１における位置ずれの吸収性能を高めるために、第１のケース部材３３に装備する第１接続端子４１と、コネクタ４３に装備する第２接続端子４７のそれぞれを改良している。   In the contact connection structure of the third embodiment, the first connection terminal 41 provided in the first case member 33 in order to increase the displacement-absorbing performance in the in-vehicle electrical component 31 shown in the first embodiment, Each of the second connection terminals 47 provided in the connector 43 is improved.

上記の改良点以外の構成は、第１実施形態と共通であり、共通の構成には同番号を付して説明を省略する。   Configurations other than the above-described improvements are the same as those in the first embodiment, and common configurations are denoted by the same reference numerals and description thereof is omitted.

以下に、改良点について詳述する。
この第３実施形態では、第１のケース部材３３側に第１接点４１ａを提供する第１接続端子４１は、図１３及び図１４に示すように、第１及び第２のケース部材３５相互の突き合わせ方向に沿って延びるとともに、その第２のケース部材３５側の外側面（外周面）が前記第１接点４１ａとなる軸状構造で、インサート成形により第１のケース部材３３に一体装備されている。 Hereinafter, the improvements will be described in detail.
In the third embodiment, as shown in FIGS. 13 and 14, the first connection terminal 41 that provides the first contact 41 a on the first case member 33 side is a mutual connection between the first and second case members 35. While extending along the abutting direction, the outer surface (outer peripheral surface) on the second case member 35 side is an axial structure that serves as the first contact 41a, and is integrally mounted on the first case member 33 by insert molding. Yes.

また、インサート成形により第１のケース部材３３に一体装備された第１接続端子４１は、図１３（ｂ）の拡大図に示すように、後述する第３接点４７ａが摺接する側のみが露出しており、第３接点４７ａが摺接する側とは逆側に位置する外側面は第１のケース部材３３に一体形成された支持壁３３ｃに埋没して、支持の堅牢化が図られている。   Further, as shown in the enlarged view of FIG. 13B, the first connection terminal 41 integrally provided in the first case member 33 by insert molding exposes only the side where a third contact 47a described later is in sliding contact. The outer surface located on the opposite side to the side on which the third contact 47a is slidably contacted is buried in a support wall 33c formed integrally with the first case member 33 so that the support is strengthened.

一方、コネクタ４３のコネクタハウジング４５に支持されて第３接点４７ａを提供する第２接続端子４７は、金属板のプレス成形品で、図１５及び図１６に示すように、第３接点４７ａが第１のケース部材３３に支持された第１接続端子４１の第１接点４１ａとなる外側面に摺接するように設けられている。   On the other hand, the second connection terminal 47, which is supported by the connector housing 45 of the connector 43 and provides the third contact 47a, is a press-formed product of a metal plate, and the third contact 47a is the first contact as shown in FIGS. The first connection terminal 41 supported by the one case member 33 is provided so as to be in sliding contact with the outer surface serving as the first contact 41a.

そして、第３接点４７ａが第１接点４１ａに摺接する時に、当該第３接点４７ａが第１接続端子４１の径方向（図１５（ｂ）では矢印Ｂ方向）に弾性変位して、第１接点４１ａと第３接点４７ａとの摺接面に直交する方向に生じる組み立て誤差を許容するように、第３接点４７ａと第４接点４７ｂとの間に、第３接点４７ａに前記摺接面に直交する方向への弾性変位量を確保する蛇行部４７ｃを設けている。   When the third contact 47a is in sliding contact with the first contact 41a, the third contact 47a is elastically displaced in the radial direction of the first connection terminal 41 (in the direction of arrow B in FIG. 15B), and the first contact Between the third contact 47a and the fourth contact 47b, between the third contact 47a and the third contact 47a, the third contact 47a is orthogonal to the slide contact surface so as to allow an assembly error that occurs in a direction orthogonal to the slide contact surface between the 41a and the third contact 47a. The meandering part 47c which secures the elastic displacement amount to the direction to do is provided.

この第３実施形態の接点接続構造では、軸状構造を成す第１接続端子４１の外側面が第１接点４１ａであり、第３接点４７ａが第１接続端子４１の外側面を摺動することで、第１及び第２のケース部材３５相互の突き合わせ方向の位置ずれを吸収でき、また、その時の吸収量を大きく設定することができる。   In the contact connection structure of the third embodiment, the outer surface of the first connection terminal 41 forming the shaft-like structure is the first contact 41a, and the third contact 47a slides on the outer surface of the first connection terminal 41. Thus, it is possible to absorb the positional deviation in the abutting direction between the first and second case members 35 and to set the absorption amount at that time large.

更に、第２接続端子４７に設けた蛇行部４７ｃの弾性変形によって第３接点４７ａは、第１接点４１ａと第３接点４７ａとの摺接面に直交する方向に弾性変位して、第１接続端子４１の径方向（軸方向に直交する方向）の位置ずれを吸収する。   Furthermore, the third contact 47a is elastically displaced in a direction perpendicular to the sliding contact surface between the first contact 41a and the third contact 47a by the elastic deformation of the meandering portion 47c provided in the second connection terminal 47, and the first connection. Absorbs misalignment of the terminal 41 in the radial direction (direction perpendicular to the axial direction).

したがって、この第３実施形態の接点接続構造では、２方向の位置ずれを効率良く吸収でき、組み立て時の位置ずれに左右されずに、より安定した電気的接続状態を得ることができる。   Therefore, in the contact connection structure of the third embodiment, it is possible to efficiently absorb the misalignment in two directions, and to obtain a more stable electrical connection state without being influenced by the misalignment during assembly.

なお、上記の第１及び第２実施形態に示した接点接続構造の場合は、第３実施形態に示した接点接続構造と比較して、コネクタ４３の高さ寸法を小さく抑えることができ、車載用電装品３１における高さ寸法のコンパクト化を図ることができる。   In the case of the contact connection structure shown in the first and second embodiments, the height dimension of the connector 43 can be kept small compared to the contact connection structure shown in the third embodiment. The height of the electrical component 31 can be reduced.

本発明に係る接点接続構造の第１実施形態の縦断面図とその一部の拡大図である。It is the longitudinal cross-sectional view of 1st Embodiment of the contact connection structure which concerns on this invention, and the one part enlarged view. （ａ）は図１に示した車載用電装品における第１のケース部材の外面側から見た斜視図、（ｂ）は図１に示した車載用電装品における第１のケース部材の内面側から見た斜視図とその一部の拡大図である。(A) is the perspective view seen from the outer surface side of the 1st case member in the vehicle-mounted electrical equipment shown in FIG. 1, (b) is the inner surface side of the 1st case member in the vehicle-mounted electrical equipment shown in FIG. It is the perspective view seen from and the enlarged view of the one part. 図１に示した第１のケース部材に組み付けられて第１接点を提供する第１接続端子の斜視図である。FIG. 2 is a perspective view of a first connection terminal that is assembled to the first case member shown in FIG. 1 and provides a first contact. （ａ）は図１に示した車載用電装品における第２のケース部材内の回路基板に搭載されるコネクタの斜視図、（ｂ）は（ａ）に示したコネクタに装備された第２接続端子の斜視図である。(A) is a perspective view of a connector mounted on a circuit board in a second case member in the in-vehicle electrical component shown in FIG. 1, and (b) is a second connection equipped in the connector shown in (a). It is a perspective view of a terminal. 図１に示した回路基板に、制御機器とコネクタが組み付けられた部分組立状態の斜視図である。FIG. 2 is a perspective view of a partially assembled state in which a control device and a connector are assembled to the circuit board shown in FIG. 1. 図５に示した回路基板の部分組立体が図１に示した第２のケース部材に組み付けられた状態の縦断面図である。FIG. 6 is a longitudinal sectional view of a state in which the circuit board subassembly shown in FIG. 5 is assembled to the second case member shown in FIG. 1. 本発明に係る接点接続構造の第２実施形態の縦断面図とその一部の拡大図である。It is the longitudinal cross-sectional view of 2nd Embodiment of the contact connection structure which concerns on this invention, and the one part enlarged view. （ａ）は図７に示した車載用電装品における第２のケース部材内の回路基板に搭載されるコネクタの斜視図、（ｂ）は（ａ）に示したコネクタに装備された第２接続端子の斜視図である。(A) is a perspective view of the connector mounted on the circuit board in the second case member in the in-vehicle electrical component shown in FIG. 7, and (b) is the second connection equipped in the connector shown in (a). It is a perspective view of a terminal. 図７に示した回路基板に、制御機器とコネクタが組み付けられた部分組立状態の斜視図である。FIG. 8 is a perspective view of a partially assembled state in which a control device and a connector are assembled to the circuit board shown in FIG. 7. 図９に示した回路基板の部分組立体が図７に示した第２のケース部材に組み付けられた状態の縦断面図である。FIG. 10 is a longitudinal sectional view of a state in which the circuit board subassembly shown in FIG. 9 is assembled to the second case member shown in FIG. 7. 図７に示した第１接続端子の第１接点と第２接続端子の第３接点との接触状態の説明図で、（ａ）は組み立て誤差により第１接点と回路基板との間の離間距離が基準値よりも増大したときの接触状態の説明図、（ｂ）は組み立て誤差が少なく第１接点と回路基板との間の離間距離が基準値のときの接触状態の説明図、（ｃ）は組み立て誤差により第１接点と回路基板との間の離間距離が基準値よりも減少したときの接触状態の説明図である。FIG. 8 is an explanatory diagram of a contact state between the first contact of the first connection terminal and the third contact of the second connection terminal shown in FIG. 7, and (a) is a separation distance between the first contact and the circuit board due to an assembly error. FIG. 4B is an explanatory diagram of the contact state when the value of the contact point increases from the reference value. FIG. 5B is an explanatory diagram of the contact state when the assembly error is small and the separation distance between the first contact and the circuit board is the reference value. These are explanatory drawing of a contact state when the separation distance between a 1st contact and a circuit board has decreased from the reference value by the assembly error. 本発明に係る接点接続構造の第３実施形態の縦断面図とその一部の拡大図である。It is the longitudinal cross-sectional view of 3rd Embodiment of the contact connection structure which concerns on this invention, and the one part enlarged view. （ａ）は図１２に示した車載用電装品における第１のケース部材の外面側から見た斜視図、（ｂ）は図１２に示した車載用電装品における第１のケース部材の内面側から見た斜視図とその一部の拡大図である。(A) is the perspective view seen from the outer surface side of the 1st case member in the vehicle-mounted electrical equipment shown in FIG. 12, (b) is the inner surface side of the 1st case member in the vehicle-mounted electrical equipment shown in FIG. It is the perspective view seen from and the enlarged view of the one part. 図１２に示した第１のケース部材に組み付けられて第１接点を提供する第１接続端子の斜視図である。FIG. 13 is a perspective view of a first connection terminal that is assembled to the first case member shown in FIG. 12 and provides a first contact. （ａ）は図１２に示した車載用電装品における第２のケース部材内の回路基板に搭載されるコネクタの斜視図、（ｂ）は（ａ）に示したコネクタに装備された第２接続端子の斜視図である。(A) is a perspective view of the connector mounted on the circuit board in the second case member in the in-vehicle electrical component shown in FIG. 12, and (b) is the second connection equipped in the connector shown in (a). It is a perspective view of a terminal. 図１２に示した回路基板に、制御機器とコネクタが組み付けられた部分組立状態の斜視図である。FIG. 13 is a perspective view of a partially assembled state in which a control device and a connector are assembled to the circuit board illustrated in FIG. 12. 図１６に示した回路基板の部分組立体が図１２に示した第２のケース部材に組み付けられた状態の縦断面図である。FIG. 17 is a longitudinal sectional view of a state in which the circuit board subassembly shown in FIG. 16 is assembled to the second case member shown in FIG. 12. 従来の車載用電装品における接点接続構造を示す縦断面図である。It is a longitudinal cross-sectional view which shows the contact connection structure in the conventional vehicle-mounted electrical equipment. （ａ）は図１８に示した第１のケース部材の外面側から見た斜視図、（ｂ）は図１８に示した第１のケース部材の内面側から見た斜視図とその一部の拡大図である。(A) is the perspective view seen from the outer surface side of the 1st case member shown in FIG. 18, (b) is the perspective view seen from the inner surface side of the 1st case member shown in FIG. It is an enlarged view. 図１８に示した接点接続構造に使用されているフレキシブルプリントケーブルの斜視図である。It is a perspective view of the flexible printed cable used for the contact connection structure shown in FIG.

符号の説明Explanation of symbols

７ 制御機器（カメラレンズ素子）
９ 回路基板(カメラ基板)
３３ 第１のケース部材（カメラケース）
３３ａ 開口部
３５ 第２のケース部材（カメラカバー）
４１ 第１接続端子
４１ａ 第１接点
４３ コネクタ
４５ コネクタハウジング
４７ 第２接続端子
４７ａ 第３接点
４７ｂ 第４接点
４７ｃ 蛇行部
４７ｄ，４７ｅ 第３接点部 7 Control equipment (camera lens element)
9 Circuit board (camera board)
33 First case member (camera case)
33a Opening 35 Second case member (camera cover)
41 1st connection terminal 41a 1st contact 43 Connector 45 Connector housing 47 2nd connection terminal 47a 3rd contact 47b 4th contact 47c Meander part 47d, 47e 3rd contact part

Claims (5)

一側に開口部を有した第１のケース部材と、この第１のケース部材の開口部を覆うように該第１のケース部材に組み付けられる第２のケース部材と、この第２のケース部材内に収容する制御機器が表面に搭載されるとともに裏面側を前記第１のケース部材側に向けて前記第２のケース部材に取り付けられる回路基板と、該回路基板の裏面に対向するように前記第１のケース部材内に配置される第１接点を有する第１接続端子と、前記第１接点に導通接続される第３接点と前記制御機器へ導通接続される第４接点とを有した第２接続端子を収容して前記回路基板の裏面に取り付けられるコネクタとを備える車載用電装品において、前記第１接点と前記第３接点とを導通接続させる接点接続構造であって、
前記第１接点を提供する前記第１接続端子と前記第３接点を提供する第２接続端子とを、第１のケース部材に第２のケース部材を組み付けたとき、前記第１接点と第３接点とが直接接触して前記第１接点と前記第３接点とが導通接続状態になるように構成したことを特徴とする接点接続構造。 A first case member having an opening on one side, a second case member assembled to the first case member so as to cover the opening of the first case member, and the second case member A control device to be accommodated in the circuit board mounted on the front surface, the back surface of the control device being attached to the second case member with the back surface facing the first case member, and the back surface of the circuit substrate so as to face the back surface A first connection terminal having a first contact disposed in the first case member, a third contact electrically connected to the first contact, and a fourth contact electrically connected to the control device; In a vehicle-mounted electrical component that includes a connector that accommodates two connection terminals and is attached to the back surface of the circuit board, the contact connection structure that electrically connects the first contact and the third contact,
When the second case member is assembled to the first case member with the first connection terminal providing the first contact and the second connection terminal providing the third contact, the first contact and the third contact A contact connection structure characterized in that the first contact and the third contact are in a conductive connection state by direct contact with the contact. 前記第１接点を提供する第１接続端子は、第１及び第２のケース部材相互の突き合わせ方向に沿って延びるとともに、その第２のケース部材側の端面が前記第１接点となる軸状構造で、インサート成形により第１のケース部材に一体装備され、
前記第３接点を提供する第２接続端子は、金属板のプレス成形品で、第３接点と第１接点との接触時に第３接点が第１接続端子の軸方向に弾性変位してケース部材相互の突き合わせ方向に生じる組み立て誤差を吸収するように、第３接点と第４接点との間に、第３接点に第１接続端子の軸方向への弾性変位量を確保する蛇行部を設けたことを特徴とする請求項１記載の接点接続構造。 The first connection terminal that provides the first contact extends along the abutting direction of the first and second case members, and the end surface on the second case member side serves as the first contact. In the first case member by insert molding,
The second connection terminal providing the third contact is a press-formed product of a metal plate, and the case contact member is elastically displaced in the axial direction of the first connection terminal when the third contact and the first contact are brought into contact with each other. A meandering portion for securing an elastic displacement amount in the axial direction of the first connection terminal is provided at the third contact between the third contact and the fourth contact so as to absorb an assembly error generated in the mutual butting direction. The contact connection structure according to claim 1. 前記第２接続端子は、前記第３接点側が分割されて、第１接続端子の軸方向に位置をずらした複数の第３接点部が備えられていることを特徴とする請求項２記載の接点接続構造。   3. The contact according to claim 2, wherein the second connection terminal includes a plurality of third contact portions that are divided on the third contact side and shifted in the axial direction of the first connection terminal. Connection structure. 前記第１接続端子の第１接点となる端面は、他端側よりも拡径されて、第３接点との接触面積に余裕が付与されていることを特徴とする請求項２又は３記載の接点接続構造。   4. The end face serving as the first contact of the first connection terminal has a diameter larger than that of the other end, and an allowance is provided for a contact area with the third contact. 5. Contact connection structure. 前記第１接点を提供する第１接続端子は、第１及び第２のケース部材相互の突き合わせ方向に沿って延びるとともに、その第２のケース部材側の外側面が前記第１接点となる軸状構造で、インサート成形により第１のケース部材に一体装備され、
前記第３接点を提供する第２接続端子は、金属板のプレス成形品で、第３接点が第１接点に摺接する時に第３接点が前記第１接続端子の径方向に弾性変位して、第１接点と第３接点との摺接面に直交する方向に生じる組み立て誤差を許容するように、第３接点と第４接点との間に、第３接点に前記摺接面に直交する方向への弾性変位量を確保する蛇行部を設けたことを特徴とする請求項１記載の接点接続構造。 The first connection terminal that provides the first contact extends along the abutting direction between the first and second case members, and the outer surface on the second case member side is an axial shape that serves as the first contact. The structure is integrated with the first case member by insert molding,
The second connection terminal providing the third contact is a metal plate press-molded product, and the third contact is elastically displaced in the radial direction of the first connection terminal when the third contact is in sliding contact with the first contact. A direction perpendicular to the sliding surface between the third contact and the fourth contact so as to allow an assembly error that occurs in a direction perpendicular to the sliding surface between the first contact and the third contact. The contact connection structure according to claim 1, further comprising a meandering portion that secures an elastic displacement amount.
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