JP2014232688A - Terminal block - Google Patents

Terminal block Download PDF

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Publication number
JP2014232688A
JP2014232688A JP2013113960A JP2013113960A JP2014232688A JP 2014232688 A JP2014232688 A JP 2014232688A JP 2013113960 A JP2013113960 A JP 2013113960A JP 2013113960 A JP2013113960 A JP 2013113960A JP 2014232688 A JP2014232688 A JP 2014232688A
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Japan
Prior art keywords
terminal
housing
conductive member
sub
terminal block
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Granted
Application number
JP2013113960A
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JP6024986B2 (en
Inventor
芳朋 辻井
Yoshitomo Tsujii
芳朋 辻井
宮崎　正
Tadashi Miyazaki
正 宮崎
完 村井
Hiroshi Murai
完 村井
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Sumitomo Wiring Systems Ltd
AutoNetworks Technologies Ltd
Sumitomo Electric Industries Ltd
Original Assignee
Sumitomo Wiring Systems Ltd
AutoNetworks Technologies Ltd
Sumitomo Electric Industries Ltd
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Application filed by Sumitomo Wiring Systems Ltd, AutoNetworks Technologies Ltd, Sumitomo Electric Industries Ltd filed Critical Sumitomo Wiring Systems Ltd
Priority to JP2013113960A priority Critical patent/JP6024986B2/en
Priority to EP14001639.5A priority patent/EP2808950A1/en
Priority to CN201410233871.8A priority patent/CN104218336A/en
Publication of JP2014232688A publication Critical patent/JP2014232688A/en
Application granted granted Critical
Publication of JP6024986B2 publication Critical patent/JP6024986B2/en
Expired - Fee Related legal-status Critical Current
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    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R9/00—Structural associations of a plurality of mutually-insulated electrical connecting elements, e.g. terminal strips or terminal blocks; Terminals or binding posts mounted upon a base or in a case; Bases therefor
    • H01R9/22—Bases, e.g. strip, block, panel
    • H01R9/24—Terminal blocks
    • H01R9/2491—Terminal blocks structurally associated with plugs or sockets
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46—Bases; Cases
    • H01R13/502—Bases; Cases composed of different pieces
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02—Contact members
    • H01R13/10—Sockets for co-operation with pins or blades
    • H01R13/14—Resiliently-mounted rigid sockets
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/46—Bases; Cases
    • H01R13/502—Bases; Cases composed of different pieces
    • H01R13/506—Bases; Cases composed of different pieces assembled by snap action of the parts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
    • H01R13/631—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances for engagement only
    • H01R13/6315—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances for engagement only allowing relative movement between coupling parts, e.g. floating connection
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R2105/00—Three poles
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R2201/00—Connectors or connections adapted for particular applications
    • H01R2201/26—Connectors or connections adapted for particular applications for vehicles
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R35/00—Flexible or turnable line connectors, i.e. the rotation angle being limited
    • H01R35/02—Flexible line connectors without frictional contact members

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  • Connections Arranged To Contact A Plurality Of Conductors (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Motor Or Generator Frames (AREA)

Abstract

PROBLEM TO BE SOLVED: To provide a terminal block capable of attaining space saving, improving connection workability between a conductive member and a terminal, and also preventing vibration from being transferred between inner and outer conductive members.SOLUTION: A terminal block T connecting an inner conductive member and an outer conductive member disposed inside and outside a device comprises: a housing 30 which is provided while internally and externally penetrating a case 2 of the device; and a terminal 10 which is mounted in the housing 30 and with which a connection 14 with the outer conductive member is provided in an outer end portion and a cylindrical socket terminal 20 fitted and connected with a pin terminal (p) provided in the inner conductive member is provided in an inner end portion, respectively. Between the inner and outer connections 20 and 14 in the terminal 10, a flexible vibration absorbing part 12 is provided.

Description

本発明は、端子台に関する。   The present invention relates to a terminal block.

従来、モータやインバータなどの電気機器に設けられた導電部材同士を電気的に接続する端子台として、下記特許文献１に記載されたものが知られている。このものは、所定の機器のケースを内外に貫通して装着される合成樹脂製のハウジングと、Ｌ字形をなすバスバーの両端にナットを備えた接続部が設けられた複数本の端子が備えられ、各端子が、一端の接続部をハウジングの外端部に、他端の接続部をハウジングの内端部にそれぞれ臨ませた形態で並んで装着された構造となっている。   Conventionally, what was described in following patent document 1 is known as a terminal block which electrically connects the electrically-conductive members provided in electric equipments, such as a motor and an inverter. This is provided with a synthetic resin housing that is inserted through a case of a predetermined device inside and outside, and a plurality of terminals provided with connecting portions provided with nuts at both ends of an L-shaped bus bar. Each terminal has a structure in which a connection portion at one end faces the outer end portion of the housing and a connection portion at the other end faces the inner end portion of the housing.

そして、インバータ等の電気機器から延出されたバスバーからなる外側導電部材が、端子台に装着された端子の外側の接続部にボルト締めにより接続されるとともに、モータ等の電気機器から延出されたバスバーからなる内側導電部材が、端子の内側の接続部に同じくボルト締めにより接続されて、対応する内外の導電部材間の電気的導通が採られるようになっている。   An outer conductive member made of a bus bar extended from an electric device such as an inverter is connected to a connection portion outside the terminal mounted on the terminal block by bolting and extended from the electric device such as a motor. The inner conductive member made of a bus bar is connected to the inner connecting portion of the terminal by bolting, and electrical continuity between the corresponding inner and outer conductive members is taken.

特開２０１０−２１１９３３号公報JP 2010-211193 A

上記従来の端子台では、特に内側導電部材を対応する端子の内側の接続部にボルト締めして接続するに当たり、機器の内部にボルト締め用の工具を入れる作業スペースが必要であるために、機器が大型化する嫌いがあり、また機器内部でのボルト締め作業であるために作業がし辛いという問題があり、その改良が切望されていた。
本発明は上記のような事情に基づいて完成されたものであって、その目的は、省スペース化を図るとともに導電部材と端子の接続作業性を向上させることができる端子台を提供するところにある。 In the above-described conventional terminal block, in particular, when the inner conductive member is bolted and connected to the connecting portion inside the corresponding terminal, a work space for inserting a bolting tool inside the device is required. However, there was a problem that it was difficult to work because it was a bolting work inside the equipment, and the improvement was eagerly desired.
The present invention has been completed based on the above circumstances, and its object is to provide a terminal block that can save space and improve the connection workability between the conductive member and the terminal. is there.

本発明は、機器の内外に配される内側導電部材と外側導電部材とを接続する端子台であって、機器のケースを内外に貫通して設けられたハウジングと、このハウジングに装着され、前記外側導電部材との接続部が外端部に、前記内側導電部材に設けられたピン端子と嵌合接続される筒形のソケット端子が内端部にそれぞれ設けられた端子と、が備えられ、かつ、前記端子における前記内外の接続部の間には、柔軟性を有する振動吸収部が設けられているところに特徴を有する。   The present invention is a terminal block for connecting an inner conductive member and an outer conductive member arranged inside and outside a device, a housing provided through a case of the device inside and outside, and mounted on the housing, A connecting portion with the outer conductive member is provided at the outer end, and a cylindrical socket terminal fitted and connected to the pin terminal provided at the inner conductive member is provided at the inner end, respectively, In addition, a characteristic is that a flexible vibration absorbing portion is provided between the inner and outer connecting portions of the terminal.

この構成によれば、内側導電部材を端子の内端側の接続部に接続するに当たっては、ピン端子を相手のソケット端子に嵌合する。ボルト締めにより接続する場合と比較すると、ピン端子をソケット端子に嵌合するだけで事足りるから、接続作業自体が簡単となり、またボルト締め用の作業スペースが不要にできて省スペース化を図ることができる。
また、端子台に備えられた端子には振動吸収部が設けられているから、同端子を介して内側導電部材と外側導電部材同士が接続された場合において、内側導電部材または外側導電部材に振動が作用したときには、同振動が振動吸収部で吸収され、反対の導電部材側に振動が及ぶことが抑えられる。 According to this configuration, when the inner conductive member is connected to the connection portion on the inner end side of the terminal, the pin terminal is fitted to the mating socket terminal. Compared with the case of connecting by bolt tightening, it is sufficient to fit the pin terminal to the socket terminal. Therefore, the connection work itself is simplified, and the work space for bolt tightening can be eliminated, thereby saving space. it can.
Moreover, since the vibration absorption part is provided in the terminal provided in the terminal block, when the inner conductive member and the outer conductive member are connected via the same terminal, the inner conductive member or the outer conductive member vibrates. When this occurs, the vibration is absorbed by the vibration absorbing portion, and the vibration is suppressed from reaching the opposite conductive member side.

また、以下のような構成としてもよい。
前記ソケット端子が収容されかつ前記ピン端子が挿入可能な端子挿入口が開口されたサブハウジングが設けられ、このサブハウジングが前記ハウジングに対して軸線と交差する方向の遊動可能に装着されている。
この構成では、サブハウジングがいわゆるフローティング構造を採ってハウジングに装着されているから、内側導電部材すなわちピン端子の配設位置にばらつきがあったとしても、サブハウジングを遊動させつつ個々のピン端子とソケット端子同士を正確に芯合わせして嵌合することが可能となる。 The following configuration may also be used.
A sub housing is provided in which the socket terminal is accommodated and a terminal insertion port into which the pin terminal can be inserted is opened, and the sub housing is mounted on the housing so as to be movable in a direction crossing the axis.
In this configuration, since the sub-housing has a so-called floating structure and is mounted on the housing, even if there is a variation in the arrangement position of the inner conductive member, that is, the pin terminal, It is possible to accurately align and fit the socket terminals.

前記端子における前記振動吸収部が編組線により構成されている。
この構成では、振動吸収機能がより確実に発揮される。またフローティング構造が採られている場合には、端子の変形がしやすくなることで、フローティング機能をより確実に発揮できる。 The vibration absorbing portion in the terminal is constituted by a braided wire.
With this configuration, the vibration absorbing function is more reliably exhibited. Further, when the floating structure is adopted, the terminal can be easily deformed, so that the floating function can be more reliably exhibited.

本発明の端子台によれば、省スペース化を図るとともに導電部材と端子の接続作業を能率良く行うことができ、さらに内外の導電部材同士が接続された状態においては、内外の導電部材間で振動が伝達されることを抑制できる。   According to the terminal block of the present invention, the space can be saved and the connection work between the conductive member and the terminal can be efficiently performed. Further, in a state where the inner and outer conductive members are connected, the inner and outer conductive members are connected. Transmission of vibration can be suppressed.

本発明の一実施形態に係る端子台の外観斜視図1 is an external perspective view of a terminal block according to an embodiment of the present invention. 同正面図Front view 同側面図Side view 同一部切欠斜視図Same part cutaway perspective view 図２のＶ−Ｖ線断面図VV sectional view of FIG. ハウジング本体のモールド成形時の縦断面図Longitudinal sectional view when molding the housing body

＜実施形態＞
本発明の一実施形態を図１ないし図６によって説明する。
この実施形態では、電気自動車やハイブリッド車などの車両に搭載される三相交流モータに設けられた三極の導電部材と、インバータに設けられた三極の導電部材同士を電気接続する端子台Ｔを例示しており、かつモータとインバータの直結型のものに適用した場合を示している。 <Embodiment>
An embodiment of the present invention will be described with reference to FIGS.
In this embodiment, a terminal block T that electrically connects a three-pole conductive member provided in a three-phase AC motor mounted on a vehicle such as an electric vehicle or a hybrid vehicle and a three-pole conductive member provided in an inverter. And is applied to a direct connection type of a motor and an inverter.

より具体的には、図５に示すように、トランスミッションのケース１の上壁２に当該端子台Ｔが設けられ、ミッションケース１の正面開口側（同図の左側）に図示しないモータ側ケースが隣接して組み付けられる一方、その一体結合されたミッションケース１とモータ側ケースの上面に、さらにインバータ側ケースが組み付けられるようになっている。そして、モータから延出した三極の導電部材（内側導電部材）と、インバータから延出した導電部材（外側導電部材）同士が、上記のように端子台Ｔを介して電気接続されるようになっている。
この実施形態では、インバータから延出した外側導電部材はバスバーであり、一方、モータから延出した内側導電部材は、エナメル線を接着剤等で真直姿勢に固めたものであって、同内側導電部材の先端には、図５に示すように、丸ピン端子ｐが同軸上に接続されている。 More specifically, as shown in FIG. 5, the terminal block T is provided on the upper wall 2 of the transmission case 1, and a motor-side case (not shown) is provided on the front opening side (left side of the figure) of the transmission case 1. While being assembled adjacent to each other, an inverter side case is further assembled on the upper surface of the integrally connected transmission case 1 and motor side case. The three-pole conductive member (inner conductive member) extending from the motor and the conductive member (outer conductive member) extending from the inverter are electrically connected via the terminal block T as described above. It has become.
In this embodiment, the outer conductive member extending from the inverter is a bus bar, while the inner conductive member extending from the motor is an enameled wire that is straightened with an adhesive or the like, As shown in FIG. 5, a round pin terminal p is coaxially connected to the tip of the member.

端子台Ｔの構造を詳細に説明する。端子台Ｔは、図１に示すように、図示３本の端子１０と、これらの端子１０を並列して装着した合成樹脂製のハウジング３０とを備えて構成されている。
端子１０は、Ｌ字形に曲げ形成されたバスバー１１の垂下端に、振動吸収部となる柔軟導体１２が接続された構造である。この柔軟導体１２は、編組線を略Ｓ字形に曲げ形成した構造である。
端子１０の一端側であるバスバー１１の水平部が、外側導電部材と接続される外側接続部１４となっており、ボルトの挿通孔１５が開口されている。端子１０の他端側である柔軟導体１２の下端には、内側導電部材と接続される内側接続部として機能するソケット端子２０が設けられている。 The structure of the terminal block T will be described in detail. As shown in FIG. 1, the terminal block T includes three terminals 10 shown in the figure, and a synthetic resin housing 30 in which these terminals 10 are mounted in parallel.
The terminal 10 has a structure in which a flexible conductor 12 serving as a vibration absorbing portion is connected to a hanging end of a bus bar 11 bent into an L shape. The flexible conductor 12 has a structure in which a braided wire is bent into a substantially S shape.
A horizontal portion of the bus bar 11 which is one end side of the terminal 10 serves as an outer connection portion 14 connected to the outer conductive member, and a bolt insertion hole 15 is opened. A socket terminal 20 that functions as an inner connection portion connected to the inner conductive member is provided at the lower end of the flexible conductor 12 that is the other end side of the terminal 10.

このソケット端子２０は、ルーバ端子部２１の外周に筒体２５が嵌装された２ピース構造である。ルーバ端子部２１は、環形の基部２２の前縁に、先端側に接点部２３Ａを有して前方に延出した形状の複数本の弾性接触片２３が、周方向に間隔を開けて環形に配された形状である。基部２２の下面の後縁部には、突部２２Ａが外向きに屈曲形成されている。また、同基部２２の上面の後縁から、連結片２４が立ち上がり形成されている。   The socket terminal 20 has a two-piece structure in which a cylindrical body 25 is fitted on the outer periphery of the louver terminal portion 21. The louver terminal portion 21 has a ring-shaped base portion 22 having a plurality of elastic contact pieces 23 having a contact portion 23A on the front end side and extending forward at the front edge of the ring-shaped base portion 22 and spaced in the circumferential direction. It is an arranged shape. At the rear edge of the bottom surface of the base 22, a protrusion 22A is bent outward. A connecting piece 24 is formed to rise from the rear edge of the upper surface of the base portion 22.

筒体２５は、その前端に、ルーバ端子部２１の弾性接触片２３の先端を保護するべく内向きの鍔２６が形成されている。筒体２５の下面には、上記した突部２２Ａを挿入可能な溝２８が後縁から切り込み形成されている。筒体２５は、ルーバ端子部２１の外周に前方から嵌装されて、溝２８の奥縁が突部２２Ａに当たったところで押し込みが停止され、後縁から突設された左右一対の結合片２７を基部２２に対して折り返すことで、抜け止めされて装着されている。   An inward flange 26 is formed at the front end of the cylindrical body 25 to protect the tip of the elastic contact piece 23 of the louver terminal portion 21. On the lower surface of the cylindrical body 25, a groove 28 into which the above-described protrusion 22A can be inserted is formed by cutting from the rear edge. The cylindrical body 25 is fitted on the outer periphery of the louver terminal portion 21 from the front, and when the rear edge of the groove 28 hits the protruding portion 22A, the pushing is stopped, and a pair of left and right coupling pieces 27 protruding from the rear edge. Is folded back with respect to the base 22 so as to be prevented from coming off.

より具体的には、端子１０を構成するＬ字形のバスバー１１が、外側接続部１４が後向きとされた上で、同バスバー１１の下端部の後面に、柔軟導体１２の上端部が当てられてスポット溶接等で固定されるとともに、同柔軟導体１２の下端部が、ルーバ端子部２１の基部２２から立ち上げられた連結片２４の上端部の前面に当てられて同じくスポット溶接等で固定されている。これにより端子１０が形成され、かつ同端子１０の下端部に、内側接続部となるソケット端子２０が、外側接続部１４の屈曲方向と逆方向（図６の左側）を向いた姿勢で設けられた形態となる。
このような端子１０が、合計３本備えられており、各端子１０は、ソケット端子２０がサブハウジング６０（図５参照）に収容された形態で、ハウジング３０に対して装着されるようになっている。サブハウジング６０については、後述する。 More specifically, the L-shaped bus bar 11 constituting the terminal 10 is configured such that the upper end portion of the flexible conductor 12 is applied to the rear surface of the lower end portion of the bus bar 11 with the outer connection portion 14 facing rearward. While being fixed by spot welding or the like, the lower end portion of the flexible conductor 12 is applied to the front surface of the upper end portion of the connecting piece 24 raised from the base portion 22 of the louver terminal portion 21 and is similarly fixed by spot welding or the like. Yes. Thus, the terminal 10 is formed, and the socket terminal 20 serving as the inner connection portion is provided at the lower end portion of the terminal 10 in a posture facing the direction opposite to the bending direction of the outer connection portion 14 (left side in FIG. 6). It becomes a form.
A total of three such terminals 10 are provided, and each terminal 10 is attached to the housing 30 in a form in which the socket terminal 20 is accommodated in the sub-housing 60 (see FIG. 5). ing. The sub housing 60 will be described later.

ハウジング３０は、ハウジング本体３１とカバー５０とから構成されている。ハウジング本体３１は、図１、図６に示すように、概ね左右方向に細長い下面開口の箱形に形成されており、その上縁には横長のフランジ３２が形成され、同フランジ３２の左右両端には、カラー３４が嵌め込まれた取付孔３３が設けられている。フランジ３２の下面にはパッキン装着溝３５が周設されて、環形をなす面パッキン３６が装着されるようになっている。   The housing 30 includes a housing body 31 and a cover 50. As shown in FIGS. 1 and 6, the housing body 31 is formed in a box shape having a bottom opening that is elongated in the left-right direction. A horizontally long flange 32 is formed on the upper edge of the housing body 31. Is provided with a mounting hole 33 in which a collar 34 is fitted. A packing mounting groove 35 is provided around the lower surface of the flange 32 so that a ring-shaped surface packing 36 is mounted.

ハウジング本体３１の上面中央部には、上記した各端子１０の外側接続部１４を並べて装着した台座ブロック４０が設けられている。この台座ブロック４０には、外側接続部１４を個々に載置した３個の台座４１が形成され、各台座４１には、載置面から凹んだ形態で、ナット４２の収容室４３が後面に開口して形成されている。各収容室４３には、ナット４２が回り止めされて収容されるようになっている。   A pedestal block 40 on which the outer connection portions 14 of the terminals 10 described above are mounted side by side is provided at the center of the upper surface of the housing body 31. The pedestal block 40 is formed with three pedestals 41 on which the outer connection portions 14 are individually mounted. Each of the pedestals 41 is recessed from the mounting surface, and the accommodation chamber 43 of the nut 42 is formed on the rear surface. An opening is formed. Each accommodation chamber 43 is configured to receive a nut 42 that is prevented from rotating.

先にハウジング本体３１の製造手順を図６を参照して説明する。まず所定ピッチで配された３本の端子１０のバスバー１１に亘り、一次モールド成形によって台座ブロック４０が形成され、３本の端子１０が台座ブロック４０に所定姿勢で保持された形態となる。
次に、この台座ブロック４０と３本の端子１０とを中子として二次モールド成形が施されることでハウジング本体３１が形成される。このとき、各ソケット端子２０は、ハウジング本体３１の前壁３１Ａの直ぐ裏側において、下半分を前壁３１Ａの下縁から下方に突出させた形態を採る。なお、カラー３４も併せて装着される。 First, the manufacturing procedure of the housing body 31 will be described with reference to FIG. First, a pedestal block 40 is formed by primary molding over the bus bars 11 of the three terminals 10 arranged at a predetermined pitch, and the three terminals 10 are held in a predetermined posture by the pedestal block 40.
Next, the housing body 31 is formed by performing secondary molding with the pedestal block 40 and the three terminals 10 as cores. At this time, each socket terminal 20 takes a form in which the lower half protrudes downward from the lower edge of the front wall 31 </ b> A immediately behind the front wall 31 </ b> A of the housing body 31. A collar 34 is also attached.

カバー５０は、ハウジング本体３１とは別体に形成され、上記したハウジング本体３１の下面開口を覆うべく角形の深皿状をなしている。同カバー５０の左右の側面には、図３に示すように、弾性変位可能なロック枠５１が立ち上がり形成されている一方、ハウジング本体３１の左右の側面にはロック突部３８が設けられていて、カバー５０がハウジング本体３１の下面開口に正規に被着されたところで、ロック枠５１がロック突部３８に弾性的に嵌ることで、ハウジング本体３１とカバー５０とが一体に結合されたハウジング３０が形成されるようになっている。   The cover 50 is formed separately from the housing main body 31 and has a square deep dish shape so as to cover the lower surface opening of the housing main body 31 described above. As shown in FIG. 3, an elastically displaceable lock frame 51 is formed on the left and right side surfaces of the cover 50, while lock projections 38 are provided on the left and right side surfaces of the housing body 31. When the cover 50 is properly attached to the lower surface opening of the housing body 31, the lock frame 51 is elastically fitted to the lock projection 38, so that the housing 30 is integrally joined with the housing body 31 and the cover 50. Is to be formed.

上記したように、端子１０の内側接続部であるソケット端子２０は、サブハウジング６０に収容されるようになっている。このサブハウジング６０は合成樹脂製であって、図４及び図５に示すように、ソケット端子２０を後方から挿入可能な前壁６１付きの円筒形に形成されている。サブハウジング６０は、ハウジング本体３１の前後方向の寸法に匹敵した長さ寸法を有しており、ただし後端側の半分弱の長さ領域では上半分が切除されて、逃がし部６２が形成されている。言い換えると、サブハウジング６０の後端側では、下半分の半筒部６３のみとされている。
サブハウジング６０の前壁６１には、上記した丸ピン端子ｐが挿入可能な端子挿入口６５が開口されており、端子挿入口６５における前端部には、前拡がりのテーパ状をなす誘い込み部６６が形成されている。 As described above, the socket terminal 20 that is the inner connection portion of the terminal 10 is accommodated in the sub-housing 60. The sub-housing 60 is made of a synthetic resin, and is formed in a cylindrical shape with a front wall 61 into which the socket terminal 20 can be inserted from the rear, as shown in FIGS. The sub-housing 60 has a length dimension comparable to the dimension of the housing body 31 in the front-rear direction. However, the upper half is cut off in a slightly short length region on the rear end side, and the relief portion 62 is formed. ing. In other words, on the rear end side of the sub-housing 60, only the lower half half cylinder portion 63 is provided.
The front wall 61 of the sub-housing 60 has a terminal insertion port 65 into which the above-described round pin terminal p can be inserted, and the front end portion of the terminal insertion port 65 has a leading portion 66 that has a taper shape that expands forward. Is formed.

サブハウジング６０の底壁には、ソケット端子２０の突部２２Ａに係止するランス６７が、後方に延出した形態で弾性撓み可能に設けられている。ソケット端子２０は、サブハウジング６０に対して後方から挿入されて、ランス６７を弾性撓みさせつつ押し込まれ、前壁６１に当たる位置まで押し込まれたところで突部２２Ａがランス６７の係止部６７Ａを通過することにより、ランス６７が復動変位しつつ係止部６７Ａが突部２２Ａに係止し、ソケット端子２０がサブハウジング６０内に抜け止めされて収容される。
サブハウジング６０の前端部の外周、詳細には前壁６１の厚さ方向の中央部には、一定高さの前側リブ６８が全周に亘って形成されている。また、サブハウジング６０の半筒部６３の外周には、上記の前側リブ６８と同じ高さの後側リブ６９が形成されている。 On the bottom wall of the sub-housing 60, a lance 67 that engages with the protrusion 22A of the socket terminal 20 is provided in a form that extends rearward and can be elastically bent. The socket terminal 20 is inserted into the sub-housing 60 from the rear, and is pushed in while elastically deflecting the lance 67. When the socket terminal 20 is pushed to a position where it hits the front wall 61, the projection 22A passes through the locking portion 67A of the lance 67. As a result, the locking portion 67A is locked to the protrusion 22A while the lance 67 is displaced backward, and the socket terminal 20 is prevented from being detached in the sub-housing 60 and accommodated.
A front rib 68 having a constant height is formed over the entire circumference of the outer periphery of the front end portion of the sub-housing 60, specifically, the central portion in the thickness direction of the front wall 61. In addition, a rear rib 69 having the same height as the front rib 68 is formed on the outer periphery of the half cylinder portion 63 of the sub housing 60.

一方、図１及び図５に示すように、ハウジング３０の前面におけるハウジング本体３１の下縁と、カバー５０の上縁との繋ぎ目上には、上記したソケット端子２０を収容したサブハウジング６０の前端部（前壁６１）を嵌合する嵌合孔４５Ａが、端子１０（ソケット端子２０）の配列ピッチと同ピッチで開口されている。各嵌合孔４５Ａの内面には、サブハウジング６０の前側リブ６８が嵌る嵌合溝４６Ａが全周に亘って形成されている。
なお、上記のようにハウジング本体３１とカバー５０とは後から一体に組み付けられることから、各嵌合孔４５Ａの上半分はハウジング本体３１の前壁３１Ａの下縁に、各嵌合孔４５Ａの下半分はカバー５０の前壁５０Ａの上縁に、それぞれ予め形成されている。
また、カバー５０の後壁５０Ｂの上縁には、サブハウジング６０における半筒部６３の後端部を嵌める半円形の嵌合孔４５Ｂが形成され、同嵌合孔４５Ｂの内面（下半周面）には、サブハウジング６０の後側リブ６９が嵌る嵌合溝４６Ｂが形成されている。 On the other hand, as shown in FIGS. 1 and 5, on the joint between the lower edge of the housing body 31 on the front surface of the housing 30 and the upper edge of the cover 50, the sub-housing 60 containing the socket terminal 20 described above is provided. 45 A of fitting holes which fit a front-end part (front wall 61) are opened by the same pitch as the arrangement pitch of the terminal 10 (socket terminal 20). A fitting groove 46A into which the front rib 68 of the sub-housing 60 is fitted is formed on the inner surface of each fitting hole 45A over the entire circumference.
Since the housing body 31 and the cover 50 are assembled together later as described above, the upper half of each fitting hole 45A is formed on the lower edge of the front wall 31A of the housing body 31 and the fitting hole 45A is formed. The lower half is formed in advance on the upper edge of the front wall 50A of the cover 50, respectively.
A semicircular fitting hole 45B for fitting the rear end portion of the semi-cylindrical portion 63 of the sub-housing 60 is formed on the upper edge of the rear wall 50B of the cover 50, and an inner surface (lower half circumferential surface) of the fitting hole 45B is formed. ) Is formed with a fitting groove 46B into which the rear rib 69 of the sub housing 60 is fitted.

ハウジング３０の前面側の嵌合孔４５Ａの内径寸法は、サブハウジング６０の前端部の外径寸法より一定寸法大きく設定され、併せて嵌合溝４６Ａの内径寸法が、前側リブ６８の外径寸法よりも同寸法大きく設定されている。また、ハウジング３０の後面側の半円の嵌合孔４５Ｂの内径寸法は、サブハウジング６０の半筒部６３の外径寸法より同寸法大きく設定され、併せて嵌合溝４６Ｂの内径寸法が、後側リブ６９の外径寸法よりも同寸法大きく設定されている。   The inner diameter dimension of the fitting hole 45 </ b> A on the front side of the housing 30 is set to be larger than the outer diameter dimension of the front end portion of the sub-housing 60, and the inner diameter dimension of the fitting groove 46 </ b> A is also the outer diameter dimension of the front rib 68. The same dimension is set larger than. Further, the inner diameter dimension of the semicircular fitting hole 45B on the rear surface side of the housing 30 is set to be larger than the outer diameter dimension of the semi-cylindrical portion 63 of the sub housing 60, and the inner diameter dimension of the fitting groove 46B is It is set larger than the outer diameter of the rear rib 69.

続いて、本実施形態に係る端子台Ｔの組付手順の一例と、同端子台Ｔの使用例を説明する。
一部既述したように、二度のモールド成形によって、図６に示すように、３本の端子１０を一体に備えたハウジング本体３１が形成される。各端子１０の外側接続部１４は、前方を向いた姿勢でナット４２の収容室４３の直上において対応する台座４１に載置される。また各端子１０の内側接続部であるソケット端子２０は、同じく前方を向いた姿勢で、嵌合孔４５Ａ（正確には同嵌合孔４５Ａの上半分）の裏側において同嵌合孔４５Ａと同軸上に位置する。 Then, an example of the assembly procedure of the terminal block T according to the present embodiment and a usage example of the terminal block T will be described.
As described above, the housing main body 31 integrally including the three terminals 10 is formed by two moldings as shown in FIG. The outer connection portion 14 of each terminal 10 is placed on the corresponding pedestal 41 directly above the accommodation chamber 43 of the nut 42 in a posture facing frontward. In addition, the socket terminal 20 which is an inner connection portion of each terminal 10 is also oriented forward and coaxial with the fitting hole 45A on the back side of the fitting hole 45A (more precisely, the upper half of the fitting hole 45A). Located on the top.

次に、ハウジング本体３１に一体に設けられた３本の端子１０の内側接続部であるソケット端子２０に対して、既述した要領によってサブハウジング６０を装着する。続いて、ハウジング本体３１の下面開口に対し、カバー５０が被着される。カバー５０は、ロック枠５１がロック突部３８に乗り上げて弾性変位しつつ下方から押し上げられ、カバー５０の上縁がハウジング本体３１の下縁に当たったところで、ロック枠５１が元形に復動しつつロック突部３８に嵌ることで一体結合され、図５に示すようにハウジング３０が形成される。   Next, the sub-housing 60 is attached to the socket terminal 20 which is an inner connection portion of the three terminals 10 provided integrally with the housing body 31 in the manner described above. Subsequently, the cover 50 is attached to the lower surface opening of the housing body 31. The cover 50 is pushed up from below while the lock frame 51 rides on the lock projection 38 and is elastically displaced. When the upper edge of the cover 50 hits the lower edge of the housing body 31, the lock frame 51 returns to its original shape. However, the housing 30 is formed as shown in FIG.

このとき、各サブハウジング６０は、図５に示すように、前側リブ６８が嵌合溝４６Ａに嵌められつつ、前端部がハウジング３０の前面側の嵌合孔４５Ａ内に径方向に所定のクリアランスを持って嵌合され、また、サブハウジング６０の半筒部６３は、後側リブ６９が嵌合溝４６Ｂに嵌められつつ、ハウジング３０の後面側の半円状の嵌合孔４５Ｂ内に径方向に所定のクリアランスを持って嵌合された状態となる。すなわち各サブハウジング６０は、ハウジング３０の下端部において、軸線方向（前後方向）の移動を規制された上で、軸線と交差する方向（径方向）については、クリアランス内で遊動が許容された形態で装着される。
このようなハウジング３０に対し、各台座４１の収容室４３にナット４２が挿入され、またフランジ３２の下面のパッキン装着溝３５に面パッキン３６が装着され、これにより端子台Ｔが完成する。 At this time, as shown in FIG. 5, each sub-housing 60 has a front end portion fitted in the fitting groove 46 </ b> A and a front end portion having a predetermined clearance in the radial direction in the fitting hole 45 </ b> A on the front side of the housing 30. The semi-cylindrical portion 63 of the sub-housing 60 has a diameter in the semicircular fitting hole 45B on the rear surface side of the housing 30 while the rear rib 69 is fitted in the fitting groove 46B. It will be in the state fitted with the predetermined clearance in the direction. That is, each sub-housing 60 is configured such that, in the lower end portion of the housing 30, movement in the axial direction (front-rear direction) is restricted, and in the direction intersecting the axial line (radial direction), free movement is allowed within the clearance. It is installed with.
A nut 42 is inserted into the housing chamber 43 of each base 41 with respect to such a housing 30, and a surface packing 36 is mounted in the packing mounting groove 35 on the lower surface of the flange 32, thereby completing the terminal block T.

上記のように組み付けられた端子台Ｔは、図５に示すように、ミッションケース１の上壁２に取り付けられる。具体的には、ハウジング３０の下端部がケース上壁２に開口された貫通孔３に対して上方から挿入され、そののち、フランジ３２の取付孔３３にボルトを挿通して、ケース上壁２のボルト孔にねじ込むことにより、フランジ３２すなわち端子台Ｔがケース上壁２に固定される。併せて面パッキン３６が貫通孔３の孔縁に弾縮されて押し付けられることで、貫通孔３のシールが採られる。   The terminal block T assembled as described above is attached to the upper wall 2 of the mission case 1 as shown in FIG. Specifically, the lower end portion of the housing 30 is inserted from above into the through-hole 3 opened in the case upper wall 2, and then a bolt is inserted into the mounting hole 33 of the flange 32 so that the case upper wall 2. The flange 32, that is, the terminal block T is fixed to the case upper wall 2 by being screwed into the bolt hole. At the same time, the surface packing 36 is elastically compressed and pressed against the hole edge of the through hole 3, whereby the through hole 3 is sealed.

このように端子台Ｔが取り付けられると、各端子１０の外側接続部１４は、ハウジング３０（台座ブロック４０）の上面に配された形態で、ケース上壁２の上面側（外側）に露出して臨んだ状態となる。一方、各端子１０の内側接続部であるソケット端子２０は、ハウジング３０に対して径方向の遊動可能に支持されたサブハウジング６０内に収容された形態となる。   When the terminal block T is attached in this way, the outer connection portion 14 of each terminal 10 is exposed on the upper surface side (outer side) of the case upper wall 2 in a form arranged on the upper surface of the housing 30 (pedestal block 40). It will be in the state where it faced. On the other hand, the socket terminal 20, which is an inner connection portion of each terminal 10, is housed in a sub-housing 60 that is supported so as to be radially movable with respect to the housing 30.

次に、同端子台Ｔを利用して三相交流モータの三極の導電部材と、インバータの三極の導電部材同士を接続する手順を説明する。
まず、モータ側の三極の内側導電部材（エナメル線）が、対応する端子１０の内側接続部と接続され、それにはエナメル線の先端に設けられた丸ピン端子ｐが、図５の矢線に示すように、ハウジング３０の下端部に装着されたサブハウジング６０の端子挿入口６５を通してその裏にあるソケット端子２０に対して挿入される。
このとき、丸ピン端子ｐがソケット端子２０に対して芯ずれしていたとしても、丸ピン端子ｐは誘い込み部６６に倣って芯合わせされつつ挿入される。
さらに、各丸ピン端子ｐの配設位置にばらつきがあって、特に芯ずれが大きいものについては、丸ピン端子ｐが誘い込み部６６に沿って挿入されることに伴い、端子１０のうち柔軟導体１２を変形させつつサブハウジング６０が径方向に移動して、芯合わせがなされる。 Next, a procedure for connecting the three-pole conductive member of the three-phase AC motor and the three-pole conductive member of the inverter using the terminal block T will be described.
First, a three-pole inner conductive member (enameled wire) on the motor side is connected to the inner connecting portion of the corresponding terminal 10, and a round pin terminal p provided at the tip of the enameled wire is connected to the arrow in FIG. As shown in FIG. 4, the socket 30 is inserted into the socket terminal 20 on the back side through the terminal insertion port 65 of the sub-housing 60 attached to the lower end of the housing 30.
At this time, even if the round pin terminal p is misaligned with respect to the socket terminal 20, the round pin terminal p is inserted while being aligned with the guiding portion 66.
Further, in the case where there is a variation in the arrangement positions of the respective round pin terminals p and the center misalignment is particularly large, the flexible conductors of the terminals 10 are associated with the insertion of the round pin terminals p along the guiding portions 66. The sub-housing 60 moves in the radial direction while deforming 12 and is aligned.

引き続き、丸ピン端子ｐは、ルーバ端子部２１の弾性接触片２３を拡開変位させつつ押し込まれ、押し込みが停止されたところで、弾性接触片２３が縮径方向に復動することで、丸ピン端子ｐとソケット端子２０同士が弾性的に嵌合接触し、モータ側の三極の内側導電部材（エナメル線）が、対応する端子１０の内側接続部（ソケット端子２０）と接続されることになる。
そののちモータ側ケースが、ミッションケース１の正面開口を覆うようにして隣接して組み付けられる。 Subsequently, the round pin terminal p is pushed in while expanding and displacing the elastic contact piece 23 of the louver terminal portion 21. When the push is stopped, the elastic contact piece 23 moves backward in the diameter reducing direction, so that the round pin The terminal p and the socket terminal 20 are elastically fitted and contacted with each other, and the three-side inner conductive member (enameled wire) on the motor side is connected to the inner connection portion (socket terminal 20) of the corresponding terminal 10. Become.
After that, the motor side case is assembled adjacently so as to cover the front opening of the transmission case 1.

続いて、インバータ側の三極の外側導電部材（バスバー）が、対応する端子１０の外側接続部１４と接続される。それには図示はしないが、各バスバーが、ハウジング３０の上面に並んで配された外側接続部１４に重ねられ、バスバーの挿通孔と外側接続部１４の挿通孔１５にボルトを通して、収容室４３に回り止めされて収容されたナット４２に螺合して締め付けることによって、インバータ側の三極の外側導電部材（バスバー）が、対応する端子１０の外側接続部１４と接続される。
そののち、上記のように一体結合されたミッションケース１とモータ側ケースの上面に、インバータ側ケースが組み付けられる。
以上により、三相交流モータに設けられた三極の導電部材と、インバータに設けられた三極の導電部材同士が端子台Ｔを介して電気接続され、かつモータとインバータとが直結された形式の端子接続構造が構築される。 Subsequently, the three-side outer conductive member (bus bar) on the inverter side is connected to the outer connection portion 14 of the corresponding terminal 10. Although not shown, each bus bar is overlapped on the outer connection portion 14 arranged side by side on the upper surface of the housing 30, and bolts are passed through the insertion holes 15 of the bus bar and the insertion holes 15 of the outer connection portion 14 to the accommodation chamber 43. By screwing and tightening the nut 42 that is locked and accommodated, the three-sided outer conductive member (bus bar) on the inverter side is connected to the outer connection portion 14 of the corresponding terminal 10.
After that, the inverter side case is assembled to the upper surfaces of the transmission case 1 and the motor side case that are integrally coupled as described above.
As described above, the three-pole conductive member provided in the three-phase AC motor and the three-pole conductive member provided in the inverter are electrically connected via the terminal block T, and the motor and the inverter are directly connected. The terminal connection structure is constructed.

このように、モータ側の内側導電部材とインバータ側の外側導電部材とが、端子台Ｔの端子１０を介して接続された状態において、例えばモータ側の内側導電部材が振動することがあり得るが、端子１０の途中には柔軟導体１２が設けられているから、同振動が柔軟導体１２で吸収され、反対側の外側導電部材に伝わることが抑制される。したがって、外側導電部材のボルト締め部分が緩む等が防止される。また、外側導電部材側に作用した振動も、同様に柔軟導体１２で吸収されて内側導電部材に伝わることが抑制される。   Thus, in the state where the inner conductive member on the motor side and the outer conductive member on the inverter side are connected via the terminal 10 of the terminal block T, for example, the inner conductive member on the motor side may vibrate. Since the flexible conductor 12 is provided in the middle of the terminal 10, the vibration is absorbed by the flexible conductor 12 and is prevented from being transmitted to the outer conductive member on the opposite side. Therefore, loosening of the bolted portion of the outer conductive member is prevented. Moreover, the vibration which acted on the outer side conductive member side is similarly absorbed by the flexible conductor 12, and it is suppressed that it transmits to an inner side conductive member.

本実施形態では、端子台Ｔに装着された端子１０における内側接続部に対して、モータ側の内側導電部材を接続する部分の構造について、内側導電部材に丸ピン端子ｐを設ける一方、端子１０の内側接続部をソケット端子２０で構成している。そのため、内側導電部材を端子１０の内端接続部に接続するに当たっては、丸ピン端子ｐを相手のソケット端子２０に嵌合することで達成される。
例えばボルト締めにより接続する場合と比較すると、丸ピン端子ｐをソケット端子２０に嵌合するだけで事足りるから、接続作業自体が簡単となる。またボルト締め用の作業スペースが不要にできるために省スペース化が図られ、例えばモータケースの小型化を実現することができる。
また、端子台Ｔに備えた端子１０について、振動吸収部である柔軟導体１２が設けられているから、内側導電部材または外側導電部材に振動が作用した場合に、同振動が柔軟導体１２で吸収され、反対の導電部材側に振動が及ぶことが抑えられる。 In the present embodiment, a round pin terminal p is provided on the inner conductive member with respect to the inner connecting portion of the terminal 10 mounted on the terminal block T, and the terminal 10 The inner connection portion is configured by the socket terminal 20. Therefore, when the inner conductive member is connected to the inner end connection portion of the terminal 10, it is achieved by fitting the round pin terminal p to the mating socket terminal 20.
For example, compared with the case of connecting by bolting, it is sufficient to fit the round pin terminal p into the socket terminal 20, so that the connection work itself is simplified. Further, since a work space for bolt tightening can be made unnecessary, space saving is achieved, and for example, a motor case can be downsized.
Moreover, since the flexible conductor 12 which is a vibration absorption part is provided about the terminal 10 provided in the terminal block T, when vibration acts on the inner conductive member or the outer conductive member, the same vibration is absorbed by the flexible conductor 12. Thus, vibrations on the opposite conductive member side can be suppressed.

また、各端子１０のソケット端子２０が個々にサブハウジング６０に収容される一方、各サブハウジング６０が径方向に遊動可能に、いわゆるフローティング構造を採ってハウジング３０に装着されている。例えば各内側導電部材すなわち各丸ピン端子ｐの配設位置にばらつきがあり、すなわち芯ずれが大きい場合等には、サブハウジング６０を遊動させつつ個々の丸ピン端子ｐとソケット端子２０同士を正確に芯合わせして嵌合することが可能となる。特に、丸ピン端子ｐを備えた内側導電部材の剛性が高くて、同内側導電部材自身の撓み変形量に限界がある場合に有効となる。
なお、サブハウジング６０は、端子１０を変形させつつ径方向に遊動することになるが、端子１０の一部に柔軟導体１２を設けたことで端子１０が変形しやすくなり、フローティング機能をより確実に発揮させることができる。 The socket terminals 20 of the terminals 10 are individually accommodated in the sub-housing 60, and the sub-housings 60 are mounted on the housing 30 in a so-called floating structure so as to be freely movable in the radial direction. For example, when the positions of the inner conductive members, that is, the round pin terminals p are varied, that is, when the misalignment is large, etc. It is possible to fit with the core aligned. In particular, this is effective when the inner conductive member provided with the round pin terminal p has high rigidity and the inner conductive member itself has a limited amount of bending deformation.
The sub-housing 60 moves in the radial direction while deforming the terminal 10. However, the provision of the flexible conductor 12 on a part of the terminal 10 makes the terminal 10 easily deformed, and the floating function is more reliably achieved. Can be demonstrated.

＜他の実施形態＞
本発明は上記記述及び図面によって説明した実施形態に限定されるものではなく、例えば次のような実施形態も本発明の技術的範囲に含まれる。
（１）上記実施形態では、端子に備える振動吸収部として編組線により構成された柔軟導体を例示したが、金属薄板に波付き加工を施したもの等、柔軟性を備える限り他の構造としてもよい。
（２）本発明は、端子の内側接続部であるソケット端子が、フローティング機能を備えることなく定位置に配された構造のものにも、同様に適用することが可能である。
（３）上記実施形態では、内側導電部材の先端に丸ピン端子を設けた場合を例示したが、真円以外の異形断面のピン端子としてもよく、その場合は、端子台に備えた端子の内側接続部であるソケット端子には、上記ピン端子が緊密に嵌合される断面形状を備えた筒形のソケット端子とすればよい。 <Other embodiments>
The present invention is not limited to the embodiments described with reference to the above description and drawings. For example, the following embodiments are also included in the technical scope of the present invention.
(1) Although the flexible conductor comprised by the braided wire was illustrated as a vibration-absorbing part with which a terminal is equipped in the said embodiment, as long as flexibility is provided, such as what gave a corrugated process to a metal thin plate, as another structure, Good.
(2) The present invention can be similarly applied to a structure in which the socket terminal which is the inner connection portion of the terminal is arranged at a fixed position without providing a floating function.
(3) In the above embodiment, the case where the round pin terminal is provided at the tip of the inner conductive member is exemplified, but it may be a pin terminal having an irregular cross section other than a perfect circle, in which case the terminal provided on the terminal block The socket terminal which is the inner connection portion may be a cylindrical socket terminal having a cross-sectional shape into which the pin terminal is closely fitted.

（４）上記実施形態では、端子台を、モータケース、インバータケース以外の他の機器のケースに装着した場合を例示したが、端子台は例えばモータケースに設けてもよく、そのようなものも本発明の技術的範囲に含まれる。
（５）上記実施形態では、モータとインバータとがいわゆる直結された形式のものを例示したが、個別設置される形式のものにも、本発明は同様に適用することができる。
（６）本発明は、モータとインバータに限らず、２つの電気機器からそれぞれ延出して設けられた導電部材同士を電気接続する端子台全般に広く適用することが可能である。 (4) In the above embodiment, the case where the terminal block is mounted on the case of a device other than the motor case and the inverter case is exemplified. However, the terminal block may be provided in the motor case, for example. It is included in the technical scope of the present invention.
(5) In the above embodiment, the type in which the motor and the inverter are directly connected is illustrated, but the present invention can be similarly applied to a type in which the motor and the inverter are individually installed.
(6) The present invention is not limited to a motor and an inverter, and can be widely applied to all terminal blocks that electrically connect conductive members provided to extend from two electric devices.

Ｔ…端子台
１…ミッションケース
２…ケース上壁
３…貫通孔
１０…端子
１１…バスバー
１２…柔軟導体（振動吸収部）
１４…外側接続部
１５…挿通孔
２０…ソケット端子
３０…ハウジング
３１…ハウジング本体
４５Ａ，４５Ｂ…嵌合孔
４６Ａ，４６Ｂ…嵌合溝
５０…カバー
６０…サブハウジング
６５…端子挿入口
６８…前側リブ
６９…後側リブ
ｐ…丸ピン端子（ピン端子） T ... Terminal block 1 ... Mission case 2 ... Case upper wall 3 ... Through hole 10 ... Terminal 11 ... Bus bar 12 ... Flexible conductor (vibration absorbing part)
DESCRIPTION OF SYMBOLS 14 ... Outer connection part 15 ... Insertion hole 20 ... Socket terminal 30 ... Housing 31 ... Housing main body 45A, 45B ... Fitting hole 46A, 46B ... Fitting groove 50 ... Cover 60 ... Sub housing 65 ... Terminal insertion port 68 ... Front side rib 69 ... Rear rib p ... Round pin terminal (pin terminal)

Claims (3)

機器の内外に配される内側導電部材と外側導電部材とを接続する端子台であって、
機器のケースを内外に貫通して設けられたハウジングと、
このハウジングに装着され、前記外側導電部材との接続部が外端部に、前記内側導電部材に設けられたピン端子と嵌合接続される筒形のソケット端子が内端部にそれぞれ設けられた端子と、が備えられ、
かつ、前記端子における前記内外の接続部の間には、柔軟性を有する振動吸収部が設けられていることを特徴とする端子台。 A terminal block for connecting an inner conductive member and an outer conductive member arranged inside and outside the device,
A housing provided through the inside and outside of the device case;
Mounted on the housing, a connecting portion with the outer conductive member is provided at the outer end portion, and a cylindrical socket terminal that is fitted and connected to a pin terminal provided at the inner conductive member is provided at the inner end portion. A terminal, and
And the terminal block characterized by the flexible vibration absorption part being provided between the said inside and outside connection part in the said terminal. 前記ソケット端子が収容されかつ前記ピン端子が挿入可能な端子挿入口が開口されたサブハウジングが設けられ、
このサブハウジングが前記ハウジングに対して軸線と交差する方向の遊動可能に装着されていることを特徴とする請求項１記載の端子台。 A sub-housing in which a terminal insertion opening into which the socket terminal is accommodated and the pin terminal can be inserted is provided;
The terminal block according to claim 1, wherein the sub-housing is mounted on the housing so as to be freely movable in a direction intersecting the axis. 前記端子における前記振動吸収部が編組線により構成されていることを特徴とする請求項１または請求項２記載の端子台。 The terminal block according to claim 1, wherein the vibration absorbing portion in the terminal is constituted by a braided wire.
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