JP7285892B2 - Terminal assembly structure and electronic device - Google Patents

Terminal assembly structure and electronic device Download PDF

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Publication number
JP7285892B2
JP7285892B2 JP2021150558A JP2021150558A JP7285892B2 JP 7285892 B2 JP7285892 B2 JP 7285892B2 JP 2021150558 A JP2021150558 A JP 2021150558A JP 2021150558 A JP2021150558 A JP 2021150558A JP 7285892 B2 JP7285892 B2 JP 7285892B2
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Prior art keywords
terminal
screw member
pair
connection
wall portions
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JP2023043063A (en
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正憲 桃木
聡司 柳田
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Shindengen Electric Manufacturing Co Ltd
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Shindengen Electric Manufacturing Co Ltd
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Priority to JP2021150558A priority Critical patent/JP7285892B2/en
Priority to DE102022123180.1A priority patent/DE102022123180A1/en
Priority to CN202211116515.9A priority patent/CN115810927A/en
Publication of JP2023043063A publication Critical patent/JP2023043063A/en
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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
    • H01R4/00—Electrically-conductive connections between two or more conductive members in direct contact, i.e. touching one another; Means for effecting or maintaining such contact; Electrically-conductive connections having two or more spaced connecting locations for conductors and using contact members penetrating insulation
    • H01R4/28—Clamped connections, spring connections
    • H01R4/30—Clamped connections, spring connections utilising a screw or nut clamping member
    • H01R4/305—Clamped connections, spring connections utilising a screw or nut clamping member having means for facilitating engagement of conductive member or for holding it in position
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B37/00—Nuts or like thread-engaging members
    • F16B37/04—Devices for fastening nuts to surfaces, e.g. sheets, plates
    • F16B37/045—Devices for fastening nuts to surfaces, e.g. sheets, plates specially adapted for fastening in channels, e.g. sliding bolts, channel nuts
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B2200/00—Constructional details of connections not covered for in other groups of this subclass
    • F16B2200/93—Fastener comprising feature for establishing a good electrical connection, e.g. electrostatic discharge or insulation feature
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B4/00—Shrinkage connections, e.g. assembled with the parts at different temperature; Force fits; Non-releasable friction-grip fastenings
    • F16B4/004—Press fits, force fits, interference fits, i.e. fits without heat or chemical treatment
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R11/00—Individual connecting elements providing two or more spaced connecting locations for conductive members which are, or may be, thereby interconnected, e.g. end pieces for wires or cables supported by the wire or cable and having means for facilitating electrical connection to some other wire, terminal, or conductive member, blocks of binding posts
    • H01R11/11—End pieces or tapping pieces for wires, supported by the wire and for facilitating electrical connection to some other wire, terminal or conductive member
    • H01R11/12—End pieces terminating in an eye, hook, or fork

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Connections By Means Of Piercing Elements, Nuts, Or Screws (AREA)
  • Connections Arranged To Contact A Plurality Of Conductors (AREA)

Description

本発明は、端子アセンブリ構造及び電子装置に関する。 The present invention relates to terminal assembly structures and electronic devices.

特許文献１には、ボルト挿通孔を有する端子板と圧着端子とをボルト（雄ねじ部材）とナットで接続する端子接続構造が開示されている。この端子接続構造では、端子板の上方側に圧着端子を配置して、端子板の下方側からボルトを挿通する。この際、端子板とボルトの間には、ボルトの角頭の回転を規制する保持金具が配置される。保持金具には、ボルトの角頭の側部に係止する回転止片が形成され、ナットの締結時に入力されるトルクによってボルトの角頭が回転することを防止する。 Patent Literature 1 discloses a terminal connection structure in which a terminal plate having a bolt insertion hole and a crimp terminal are connected with a bolt (male screw member) and a nut. In this terminal connection structure, the crimp terminal is arranged above the terminal plate, and the bolt is inserted through the terminal plate from below. At this time, a holding metal fitting for restricting the rotation of the square head of the bolt is arranged between the terminal plate and the bolt. The holding metal fitting is formed with a rotation stopper that engages the side of the square head of the bolt to prevent the square head of the bolt from rotating due to the torque that is input when the nut is tightened.

実用新案公報昭５８－０２１４９２号公報Utility Model Publication No. 58-021492

上記特許文献１に記載された技術では、金属製の回転止片によってボルトの角頭の回転を規制しているため、締結固定時のナットの締付けトルクを高く設定することができる。しかしながら、端子板とボルトの間に保持金具が介在することで部品点数が増加し、製造コストが増加するという課題がある In the technique described in Patent Literature 1, the rotation of the square head of the bolt is restricted by the metal anti-rotation piece, so the tightening torque of the nut can be set high at the time of fastening and fixing. However, there is a problem that the number of parts increases due to the holding metal fitting interposed between the terminal plate and the bolt, and the manufacturing cost increases.

本発明は上記課題を解決するためになされたものであり、雄ねじ部材と雌ねじ部材を用いて接続側端子に締結される端子を含む端子アセンブリ構造において、締結固定時の締付けトルクを高く設定すると共に、製造コストの削減を図ることを目的とする。 SUMMARY OF THE INVENTION The present invention has been made to solve the above-described problems. , to reduce manufacturing costs.

本発明の第１の態様に係る端子アセンブリ構造は、雄ねじ部材と雌ねじ部材を用いて接続側端子に締結される端子と、前記端子が装着される端子台と、を備え、前記端子は、前記接続側端子が重ねて配置される平板状の接続部と、前記接続部に繋がって一体に形成された一対の規制壁部と、を有し、前記端子台は、前記雄ねじ部材又は前記雌ねじ部材が配置される穴部と、前記穴部の両側に形成された一対の溝部とを有し、前記端子台に装着された前記端子の前記一対の規制壁部が、前記端子台の前記一対の溝部に挿し込まれた状態で設けられ、前記接続部に前記接続側端子を重ねて配置し、前記接続側端子及び前記接続部に挿通させた前記雄ねじ部材を挿通させ、当該雄ねじ部材と前記雌ねじ部材とを螺合させることにより、前記端子が前記接続側端子に締結され、前記端子台の前記一対の溝部内に設けられた前記端子の前記一対の規制壁部が、前記穴部の両側の壁部となり、前記穴部内に配置された前記雄ねじ部材又は前記雌ねじ部材の側面に近接対向して配置され、前記雄ねじ部材又は前記雌ねじ部材の螺合時の回転を規制するように構成されている。 A terminal assembly structure according to a first aspect of the present invention includes a terminal fastened to a connection-side terminal using a male screw member and a female screw member, and a terminal block to which the terminal is mounted , wherein the terminal comprises the The terminal block has a flat plate-like connection portion in which connection-side terminals are arranged in an overlapping manner, and a pair of restriction wall portions connected to the connection portion and integrally formed. and a pair of grooves formed on both sides of the hole . provided in a state of being inserted into the groove portion , the connection-side terminal is arranged to overlap the connection portion, the male screw member inserted through the connection-side terminal and the connection portion is inserted, and the male screw member and the female screw are inserted. The terminal is fastened to the connection-side terminal by screwing together the member, and the pair of restricting wall portions of the terminal provided in the pair of groove portions of the terminal block are positioned on both sides of the hole portion. It serves as a wall portion and is arranged in close proximity to the side surface of the male threaded member or the female threaded member arranged in the hole , and is configured to restrict the rotation of the male threaded member or the female threaded member during screwing. .

本発明によれば、端子は、接続側端子が重ねて配置される平板状の接続部と、接続部に繋がって一体に形成された一対の規制壁部と、を有している。端子と接続側端子は、重ねられた接続側端子と接続部に雄ねじ部材を挿通させ、当該雄ねじ部材と雌ねじ部材とを螺合させることにより、締結されている。ここで、端子に設けられた一対の規制壁部は、雄ねじ部材又は雌ねじ部材の側面に近接対向して配置され、雄ねじ部材又は雌ねじ部材の螺合時の回転を規制するように構成されている。このように、上記構造の端子には、接続側端子との締結固定時に、雄ねじ部材と雌ねじ部材のうち、一方の回転を規制する一対の規制壁部が一体に形成されている。従って、これらの部位が同一材料により１つの部品として一体に成形されるため、部品点数を減少させることができると共に、端子の強度を利用して雄ねじ部材又は雌ねじ部材の回転を規制することができる。これにより、締結固定時の締付けトルクを高く設定することができ、製造コストの削減を図ることができる。 According to the present invention, the terminal has a flat plate-like connecting portion on which the connecting-side terminals are arranged in an overlapping manner, and a pair of restricting wall portions that are integrally formed so as to be connected to the connecting portion. The terminal and the connection-side terminal are fastened by inserting the male screw member through the overlapped connection-side terminal and the connection portion, and screwing the male screw member and the female screw member together. Here, the pair of regulating wall portions provided on the terminal are arranged in close proximity to the side surfaces of the male threaded member or the female threaded member so as to regulate the rotation of the male threaded member or the female threaded member when they are screwed together. . In this manner, the terminal having the above structure is integrally formed with a pair of restricting wall portions that restrict the rotation of one of the male screw member and the female screw member when the terminal is fastened and fixed to the connection side terminal. Therefore, since these parts are integrally molded as one part from the same material, the number of parts can be reduced, and the strength of the terminal can be utilized to restrict the rotation of the male screw member or the female screw member. . As a result, it is possible to set the tightening torque at the time of fastening and fixing to a high value, and it is possible to reduce the manufacturing cost.

第１実施形態に係る電子装置を一部分解して示す斜視図である。1 is a perspective view showing a partially exploded electronic device according to a first embodiment; FIG. 第１実施形態に係る端子台の底面図である。It is a bottom view of a terminal block concerning a 1st embodiment. 図２のＩＩＩ－ＩＩＩ線に沿って切断した断面を示す端子台の断面図である。3 is a cross-sectional view of the terminal block taken along line III-III of FIG. 2; FIG. 第１実施形態に係る端子台の分解図である。3 is an exploded view of the terminal block according to the first embodiment; FIG. 第１実施形態に係る端子台の基台部を示す図であり、（Ａ）は、平面側斜視図を示しており、（Ｂ）は、底面側斜視図を示しており、（Ｃ）は、底面図を示している。It is a figure which shows the base part of the terminal block which concerns on 1st Embodiment, (A) has shown the plane side perspective view, (B) has shown the bottom side perspective view, (C) , shows a bottom view. 第１実施形態に係る端子台の端子を示す図であり、（Ａ）は、平面側斜視図を示しており、（Ｂ）は、底面側斜視図を示しており、（Ｃ）は、平面図を示している。It is a figure which shows the terminal of the terminal block which concerns on 1st Embodiment, (A) has shown the plane side perspective view, (B) has shown the bottom side perspective view, (C) is a plane Figure shows. 第１実施形態に係る端子の第１の変形例を示す図であり、（Ａ）は、平面側斜視図を示しており、（Ｂ）及び（Ｃ）は、一対の規制壁部の一例を示す部分平面図である。FIG. 4A is a view showing a first modification of the terminal according to the first embodiment, FIG. 2 is a partial plan view showing FIG. 第１実施形態に係る端子の第２の変形例を示す図であり、（Ａ）は、平面側斜視図を示しており、（Ｂ）及び（Ｃ）は、一対の規制壁部の一例を示す部分平面図である。FIG. 10A is a view showing a second modification of the terminal according to the first embodiment, FIG. 1A is a perspective view from the plane side, and FIGS. 2 is a partial plan view showing FIG. 第１実施形態に係る端子の第３の変形例を示す図であり、（Ａ）は、平面側斜視図を示しており、（Ｂ）は、部分平面図を示している。It is a figure which shows the 3rd modification of the terminal which concerns on 1st Embodiment, (A) has shown the plane side perspective view, (B) has shown the partial top view. 第２実施形態に係る端子台の変形例を示す分解斜視図である。It is an exploded perspective view showing a modification of a terminal block concerning a 2nd embodiment. 第２実施形態に係る端子台の断面を示す図３に対応する断面図である。It is a sectional view corresponding to Drawing 3 showing a section of a terminal block concerning a 2nd embodiment.

［第１実施形態］
以下、本発明の第１実施形態について図１～図６を参照して説明する。本実施形態では、説明の便宜上、各図中に適宜示す上下、左右及び前後の矢印で示す方向を、それぞれ電子装置１の上下方向、左右方向及び前後方向と定義して説明する。また、各図中においては、図面を見易くするため、一部の符号を省略している場合がある。 [First embodiment]
A first embodiment of the present invention will be described below with reference to FIGS. 1 to 6. FIG. In the present embodiment, for convenience of explanation, the directions indicated by up-down, left-right, and front-rear arrows in each drawing are defined as the up-down, left-right, and front-rear directions of the electronic device 1, respectively. Also, in each drawing, some reference numerals may be omitted in order to make the drawings easier to see.

図１及び図２に示すように、電子装置１は、ケース２と、ケース２の内部に収容される回路基板３と、ケース２に装着される複数の端子台４とを備える。回路基板３は、絶縁基板の表面や内部に導体の配線パターンが施された配線基板３Ａと、配線基板３Ａに実装された複数の電子部品とを備える。配線基板３Ａには、複数の電子部品の一例として、ＣＰＵ等の複数の回路素子を含む図示しない制御部と、複数の半導体素子３Ｂが実装されている。制御部と、複数の半導体素子３Ｂは、配線基板３Ａに形成された配線パターンによって電気的に接続されている。複数の半導体素子３Ｂは、制御部の制御により、整流回路の整流素子や、インバータ回路のスイッチング素子等を構成可能である。 As shown in FIGS. 1 and 2 , the electronic device 1 includes a case 2 , a circuit board 3 accommodated inside the case 2 , and a plurality of terminal blocks 4 attached to the case 2 . The circuit board 3 includes a wiring board 3A having a conductive wiring pattern on the surface and inside of an insulating substrate, and a plurality of electronic components mounted on the wiring board 3A. On the wiring board 3A, as an example of a plurality of electronic components, a controller (not shown) including a plurality of circuit elements such as a CPU and a plurality of semiconductor elements 3B are mounted. The control unit and the plurality of semiconductor elements 3B are electrically connected by wiring patterns formed on the wiring board 3A. The plurality of semiconductor elements 3B can constitute rectifying elements of a rectifying circuit, switching elements of an inverter circuit, etc. under the control of the control section.

ケース２は、上方に開口した箱状部材であり、一例として、アルミニウムや鉄などの金属で形成されている。ケース２は、前壁部２Ａ、後壁部２Ｂ、左壁部２Ｃ、右壁部２Ｄ及び底壁部２Ｅを備えている。ケース２の後壁部２Ｂには、複数の端子台装着部５が形成されている。端子台装着部５は、後壁部２Ｂを前後方向に貫通し、上方に開口した溝部である。複数の端子台装着部５にはそれぞれ、端子台４が装着される。 The case 2 is a box-shaped member that opens upward, and is made of metal such as aluminum or iron, for example. The case 2 includes a front wall portion 2A, a rear wall portion 2B, a left wall portion 2C, a right wall portion 2D and a bottom wall portion 2E. A plurality of terminal block mounting portions 5 are formed on the rear wall portion 2B of the case 2 . The terminal block mounting portion 5 is a groove that penetrates the rear wall portion 2B in the front-rear direction and opens upward. A terminal block 4 is mounted on each of the plurality of terminal block mounting portions 5 .

端子台４は、樹脂材から成る基台部４０と、基台部４０に設けられた端子６を有している。端子６の先端側（後端側）には、接続側端子７が接続されている。端子６と接続側端子７は、基台部４０に埋設された雌ねじ部材８Ａと、雌ねじ部材８Ａに螺合する雄ねじ部材８Ｂを用いて締結固定により接続されている（図３参照）。 The terminal block 4 has a base portion 40 made of a resin material and terminals 6 provided on the base portion 40 . A connection-side terminal 7 is connected to the distal end side (rear end side) of the terminal 6 . The terminal 6 and the connection-side terminal 7 are connected by fastening and fixing using a female thread member 8A embedded in the base portion 40 and a male thread member 8B screwed into the female thread member 8A (see FIG. 3).

基台部４０は、装置下方側に開口した箱状を成し、前方側の壁部を構成する縦壁部４２を有している。縦壁部４２は、前後方向に所定の厚みを有する縦壁状であり、縦壁部４２の左右両側の側面には、端子台装着部５に嵌合する溝部４３が形成されている。図１及び図２に示すように、縦壁部４２は、ケース２に装着された状態では、ケース２の後壁部２Ｂの一部となりケース２の内外を区画している。 The base portion 40 has a box-like shape with an opening on the lower side of the device, and has a vertical wall portion 42 forming a wall portion on the front side. The vertical wall portion 42 has a vertical wall shape having a predetermined thickness in the front-rear direction, and groove portions 43 that fit into the terminal block mounting portion 5 are formed on both left and right side surfaces of the vertical wall portion 42 . As shown in FIGS. 1 and 2 , the vertical wall portion 42 becomes a part of the rear wall portion 2B of the case 2 and separates the inside and outside of the case 2 when the case 2 is attached.

図５（Ａ）には、端子台４の基台部４０を平面側から見た斜視図が示されている。この図に示すように、縦壁部４２の中央部には、縦壁部４２を前後方向に貫通するＵ字形状の貫通溝４４が形成されている。図４に示すように、縦壁部４２の貫通溝４４には、端子６の第１接続部６１と一対の規制壁部６４が基台部４０の前方側から挿し込まれる。 FIG. 5A shows a perspective view of the base portion 40 of the terminal block 4 viewed from the plane side. As shown in this figure, a U-shaped through groove 44 is formed in the central portion of the vertical wall portion 42 so as to penetrate the vertical wall portion 42 in the front-rear direction. As shown in FIG. 4 , the first connecting portion 61 of the terminal 6 and the pair of restricting wall portions 64 are inserted into the through groove 44 of the vertical wall portion 42 from the front side of the base portion 40 .

図５（Ｃ）には、基台部４０を底面側から見た底面図が示されている。この図に示すように、基台部４０の内部には、雌ねじ部材８Ａが埋設される矩形ブロック状の台部４５が設けられている。台部４５は、六角形状に窪んだ角穴４６を有しており、角穴４６の内部に雌ねじ部材８Ａが埋設されている。図４に示すように、雌ねじ部材８Ａは、六角ナットで構成されており、六角形状（六角柱状）のトルク入力部８１と、トルク入力部８１の軸中心に貫通形成された雌ねじ部８２を有している。トルク入力部８１の側面は、周方向に配置された六つのトルク入力面８１Ａで構成されている。 FIG. 5C shows a bottom view of the base portion 40 viewed from the bottom side. As shown in this figure, inside the base portion 40, a rectangular block-shaped base portion 45 in which the female thread member 8A is embedded is provided. The base portion 45 has a square hole 46 recessed in a hexagonal shape, and the female screw member 8A is embedded inside the square hole 46 . As shown in FIG. 4, the female threaded member 8A is formed of a hexagonal nut, and has a hexagonal (hexagonal columnar) torque input portion 81 and a female threaded portion 82 formed through the torque input portion 81 at its axial center. are doing. The side surface of the torque input portion 81 is composed of six torque input surfaces 81A arranged in the circumferential direction.

台部４５の左右両側には、前後に延びる側溝４７が形成されている。角穴４６に埋設された雌ねじ部材８Ａは、六角形状のトルク入力部８１の向かい合う位置に配置される二つのトルク入力面８１Ａが左右の側溝４７に面してそれぞれ配置される。左右の側溝４７には、縦壁部４２の貫通溝４４に挿通された端子６の一対の規制壁部６４が挿し込まれて嵌め合わされる（図３参照）。これにより、後述する一対の規制壁部６４は、トルク入力部８１の向かい合う位置に配置された二つのトルク入力面８１Ａに近接対向して配置された状態となる。 Side grooves 47 extending in the front-rear direction are formed on both the left and right sides of the base portion 45 . The female screw member 8A embedded in the rectangular hole 46 has two torque input surfaces 81A arranged at positions facing each other in the hexagonal torque input portion 81, facing the left and right side grooves 47, respectively. A pair of regulating wall portions 64 of the terminal 6 inserted through the through grooves 44 of the vertical wall portion 42 are inserted and fitted into the left and right side grooves 47 (see FIG. 3). As a result, a pair of regulating wall portions 64, which will be described later, are in a state of being arranged in close proximity to and facing two torque input surfaces 81A of the torque input portion 81, which are arranged at positions facing each other.

図６（Ａ）には、端子６を平面側から見た斜視図が示されており、図６（Ｂ）には、端子６を底面側から見た斜視図が示されており、図６（Ｃ）には、端子６の平面図が示されている。これらの図に示すように、端子６は、一枚の板金を曲げ加工して形成されている。端子６は、平板状の第１接続部６１と、第１接続部６１の一端側（図２では前端側）に設けられた第２接続部６２を有している。 6A shows a perspective view of the terminal 6 viewed from the plane side, and FIG. 6B shows a perspective view of the terminal 6 viewed from the bottom side. A plan view of the terminal 6 is shown in (C). As shown in these figures, the terminal 6 is formed by bending a single sheet metal. The terminal 6 has a flat first connection portion 61 and a second connection portion 62 provided on one end side (the front end side in FIG. 2) of the first connection portion 61 .

第１接続部６１は、前後方向に長い平板状に形成され、上下方向に所定の厚みを有している。第１接続部６１の後端側の位置には、板厚方向に貫通する貫通孔６３が形成されている。この第１接続部６１の左右方向（幅方向）の両端には、一対の規制壁部６４が繋がって設けられている。一対の規制壁部６４は、第１接続部６１の左右両端を略直角に上方側に折り曲げることにより第１接続部６１と一体に形成されている。これにより、第１接続部６１と一対の規制壁部６４は、Ｒ状に屈曲された屈曲部６６を介して繋がっている。端子６は、第１接続部６１と屈曲部６６、一対の規制壁部６４によって、略Ｕ字形状の断面を有する板体を構成する。 The first connecting portion 61 is formed in a flat plate shape elongated in the front-rear direction and has a predetermined thickness in the vertical direction. A through hole 63 penetrating in the plate thickness direction is formed at a position on the rear end side of the first connection portion 61 . A pair of restricting wall portions 64 are connected to both ends of the first connection portion 61 in the left-right direction (width direction). The pair of regulating wall portions 64 are formed integrally with the first connection portion 61 by bending the left and right ends of the first connection portion 61 upward at substantially right angles. As a result, the first connecting portion 61 and the pair of restricting wall portions 64 are connected via the bent portion 66 bent in an R shape. The terminal 6 forms a plate body having a substantially U-shaped cross section by the first connecting portion 61 , the bent portion 66 and the pair of restricting wall portions 64 .

第２接続部６２は、左右方向を板厚方向とし、前後方向に長い長尺な板片であり、平板状の第１接続部６１に対してほぼ直角に起立している。第２接続部６２の先端は、端子６が端子台４に保持された状態では、基台部４０の縦壁部４２から前方側に突出して設けられる。従って、図１及び図２に示すように、端子台４をケース２に装着すると、第２接続部６２が、ケース２に収容された配線基板３Ａ側に突出する。第２接続部６２は、配線基板３Ａの上面に実装されたクリップ状の接続端子３２に挟み込まれた状態ではんだ付けや溶接されることにより、配線基板３Ａに電気的に接続される。 The second connecting portion 62 is a long plate piece whose plate thickness direction is the left-right direction and which is long in the front-rear direction. The tip of the second connection portion 62 is provided to protrude forward from the vertical wall portion 42 of the base portion 40 when the terminal 6 is held by the terminal block 4 . Therefore, as shown in FIGS. 1 and 2 , when the terminal block 4 is attached to the case 2 , the second connection portion 62 protrudes toward the wiring substrate 3A accommodated in the case 2 . The second connection portion 62 is electrically connected to the wiring board 3A by being soldered or welded while being sandwiched between the clip-shaped connection terminals 32 mounted on the upper surface of the wiring board 3A.

図４に示すように、端子６の第１接続部６１は、一対の規制壁部６４と共に基台部４０の縦壁部４２に形成された貫通溝４４に挿し込まれことにより、基台部４０に保持される。この状態では、図３に示すように、平板状の第１接続部６１が基台部４０に設けられた雌ねじ部材８Ａを下方側から覆うように配置される。第１接続部６１に形成された貫通孔６３は、雌ねじ部材８Ａの雌ねじ部８２と同軸的に配置される。また、第１接続部６１と一体に形成された一対の規制壁部６４は、基台部４０の内部を上下方向に延びる左右の側溝４７に挿し込まれ、雌ねじ部材８Ａの側面を両側から挟み込むように配置される。これにより、雌ねじ部材８Ａのトルク入力部８１の有する複数のトルク入力面８１Ａのうち、向かい合う位置に配置された二つのトルク入力面８１Ａが、一対の規制壁部６４に近接対向して配置される。具体的に、一対の規制壁部６４は、トルク入力面８１Ａの面方向に対して略直交する方向を板厚方向とする姿勢で第１接続部６１から延在しており、一対の規制壁部６４の幅方向の側面が二つのトルク入力面８１Ａにそれぞれ近接対向して配置される。 As shown in FIG. 4, the first connecting portion 61 of the terminal 6 is inserted into the through groove 44 formed in the vertical wall portion 42 of the base portion 40 together with the pair of restricting wall portions 64, thereby 40. In this state, as shown in FIG. 3, the flat first connection portion 61 is arranged to cover the female screw member 8A provided on the base portion 40 from below. A through hole 63 formed in the first connection portion 61 is arranged coaxially with the female thread portion 82 of the female thread member 8A. A pair of restricting wall portions 64 integrally formed with the first connecting portion 61 are inserted into the left and right side grooves 47 extending vertically inside the base portion 40 to sandwich the side surfaces of the female screw member 8A from both sides. are arranged as follows. As a result, of the plurality of torque input surfaces 81A of the torque input portion 81 of the female screw member 8A, two of the torque input surfaces 81A that are positioned facing each other are arranged to face the pair of restricting wall portions 64 in close proximity. . Specifically, the pair of regulating wall portions 64 extend from the first connection portion 61 in a posture in which the plate thickness direction is the direction substantially orthogonal to the surface direction of the torque input surface 81A. Width-direction side surfaces of the portion 64 are arranged to closely face the two torque input surfaces 81A.

なお、二つのトルク入力面８１Ａが、一対の規制壁部６４に近接対向して配置された状態には、二つのトルク入力面８１Ａと一対の規制壁部６４とが近接した位置で離間している状態と、二つのトルク入力面８１Ａと一対の規制壁部６４とが当接した状態の両方が含まれる。 Note that when the two torque input surfaces 81A are arranged to face the pair of restricting wall portions 64 in close proximity, the two torque input surfaces 81A and the pair of restricting wall portions 64 are separated from each other at positions close to each other. It includes both the state where the two torque input surfaces 81A and the pair of restricting wall portions 64 are in contact with each other.

図６に示すように、端子６において、第１接続部６１と一対の規制壁部６４とを繋ぐ屈曲部６６には、長円形の凹部６８が形成されている。凹部６８は、屈曲部６６に貫通形成された貫通孔で構成されている。上記のように、端子６の第１接続部６１が雌ねじ部材８Ａを下方側から覆うように配置されると、雌ねじ部材８Ａのトルク入力部８１の角部８１Ｂが、屈曲部６６の凹部６８に挿入される（図３参照）。なお、ここでいうトルク入力部８１の角部８１Ｂとは、トルク入力部８１の側面を構成するトルク入力面８１Ａの軸方向端に形成された角部である。 As shown in FIG. 6 , in the terminal 6 , an oblong concave portion 68 is formed in the bent portion 66 connecting the first connecting portion 61 and the pair of restricting wall portions 64 . The recessed portion 68 is configured by a through hole formed through the bent portion 66 . As described above, when the first connection portion 61 of the terminal 6 is arranged to cover the female thread member 8A from below, the corner portion 81B of the torque input portion 81 of the female thread member 8A is inserted into the concave portion 68 of the bent portion 66. inserted (see FIG. 3). The corner portion 81B of the torque input portion 81 referred to here is a corner portion formed at the axial end of the torque input surface 81A forming the side surface of the torque input portion 81 .

屈曲部６６に凹部６８を形成し、雌ねじ部材８Ａ（トルク入力部８１）の角部８１Ｂを凹部６８の内側に挿入する狙いは、端子６の板厚によらずに一対の規制壁部６４とトルク入力面８１Ａとを近接対向させることにある。即ち、基台部４０の内部では、Ｒ状に屈曲された屈曲部６６の内側面とトルク入力部８１の角部８１Ｂとが対向して配置される。ここで、一般的な曲げ加工では、屈曲部６６のＲの大きさ（曲率の大きさ）は、端子６の板厚に比例して大きくなる。従って、端子６の板厚を大きく設定すると、トルク入力部８１の角部８１Ｂと屈曲部６６の干渉を避けるために規制壁部６４とトルク入力面８１Ａとの間に形成される間隙を大きく設定する必要がある。規制壁部６４とトルク入力面８１Ａとの間の間隙は、大きく設定されるほど締結トルクによる雌ねじ部材８Ａの回転を許容してしまうので、雌ねじ部材８Ａの回転を効果的に規制する観点では、規制壁部６４とトルク入力面８１Ａとの間の間隙をできるだけ小さく設定することが好ましい。 The purpose of forming the recessed portion 68 in the bent portion 66 and inserting the corner portion 81B of the female screw member 8A (torque input portion 81) into the recessed portion 68 is that the pair of restricting wall portions 64 and The object is to closely face the torque input surface 81A. That is, inside the base portion 40, the inner surface of the bent portion 66 bent in an R shape and the corner portion 81B of the torque input portion 81 are arranged to face each other. Here, in general bending, the size of R (magnitude of curvature) of the bent portion 66 increases in proportion to the plate thickness of the terminal 6 . Therefore, if the plate thickness of the terminal 6 is set large, the gap formed between the regulation wall portion 64 and the torque input surface 81A is set large in order to avoid interference between the corner portion 81B of the torque input portion 81 and the bent portion 66. There is a need to. The larger the gap between the regulation wall portion 64 and the torque input surface 81A, the more the internal thread member 8A is allowed to rotate due to the tightening torque. It is preferable to set the gap between the regulation wall portion 64 and the torque input surface 81A as small as possible.

これに対して、本実施形態では、屈曲部６６に凹部６８を形成し、雌ねじ部材８Ａ（トルク入力部８１）の角部８１Ｂを凹部６８の内側に挿入することにより、角部８１Ｂの突起を凹部６８の内側に逃がすことができ、規制壁部６４をトルク入力面８１Ａに容易に接近させることができる。これにより、端子６の板厚によらずに、一対の規制壁部６４をトルク入力面８１Ａに近接して配置することができる。また、端子６の板厚を大きく設定することで、大電流回路にも対応可能な端子構造とすることができる。 On the other hand, in the present embodiment, a concave portion 68 is formed in the bent portion 66, and the corner portion 81B of the female screw member 8A (torque input portion 81) is inserted into the concave portion 68 so that the protrusion of the corner portion 81B is removed. It is possible to escape to the inside of the concave portion 68, and it is possible to easily bring the restricting wall portion 64 closer to the torque input surface 81A. Thereby, regardless of the plate thickness of the terminal 6, the pair of restricting wall portions 64 can be arranged close to the torque input surface 81A. Further, by setting the plate thickness of the terminal 6 to be large, it is possible to obtain a terminal structure that can be used for a large current circuit.

上記構成の端子６によれば、第１接続部６１には、基台部４０の下方側から接続側端子７が重ねられ、接続側端子７の下方側から雄ねじ部材８Ｂが挿通される。接続側端子７は一例として、ケーブル９０の先端に取り付けられた圧着端子で構成されており、端子６と接続する先端部に雄ねじ部材８が挿通される貫通孔７２を有している。雄ねじ部材８Ｂは、一例として、六角ボルトで構成されている。雄ねじ部材８Ｂは、工具によって締付けトルクが付与される頭部８４と外周面に雄ねじが形成された軸部８６を有している。端子６と接続側端子７は、第１接続部６１と接続側端子７の貫通孔６３，７２に、雄ねじ部材８Ｂの軸部８６を挿通させ、軸部８６を雌ねじ部材８Ａの雌ねじ部８２に螺合させることにより締結固定される。 According to the terminal 6 configured as described above, the connection-side terminal 7 is superimposed on the first connection portion 61 from the lower side of the base portion 40 , and the male screw member 8B is inserted from the lower side of the connection-side terminal 7 . The connection-side terminal 7 is, for example, a crimp terminal attached to the tip of the cable 90 , and has a through hole 72 through which the male screw member 8 is inserted at the tip connected to the terminal 6 . The male screw member 8B is configured by a hexagon bolt as an example. The male screw member 8B has a head portion 84 to which a tightening torque is applied by a tool and a shaft portion 86 having a male thread formed on the outer peripheral surface. In the terminal 6 and the connection side terminal 7, the shaft portion 86 of the male thread member 8B is inserted through the through holes 63 and 72 of the first connection portion 61 and the connection side terminal 7, and the shaft portion 86 is inserted into the female thread portion 82 of the female thread member 8A. They are fastened and fixed by screwing them together.

上記のような締結固定時に、雄ねじ部材８Ｂに締付けトルクが付与されると、雄ねじ部材８Ｂから伝達される締付けトルクの作用により雌ねじ部材８Ａが回転しようとする。この際、端子６から延びる一対の規制壁部６４が、雌ねじ部材８Ａのトルク入力部８１の周方向に配置された二つのトルク入力面８１Ａに当接して、雌ねじ部材８Ａの回転が規制される。このようにして、端子６の第１接続部６１と一対の規制壁部６４とが一枚の板金により一つの部品として一体に形成されている。その結果、雌ねじ部材８Ａのトルク入力部８１に、樹脂材から成る基台部４０が破損に至る過剰なトルクが入力された場合でも、一対の規制壁部６４によって雌ねじ部材８Ａの回転を規制し、基台部４０の破損を回避することができる。これにより、締結固定時の締付けトルクを高く設定することができる。 When tightening torque is applied to the male threaded member 8B during fastening and fixing as described above, the female threaded member 8A tends to rotate due to the action of the tightening torque transmitted from the male threaded member 8B. At this time, a pair of regulating wall portions 64 extending from the terminal 6 come into contact with two torque input surfaces 81A arranged in the circumferential direction of the torque input portion 81 of the female screw member 8A, thereby regulating the rotation of the female screw member 8A. . In this manner, the first connecting portion 61 of the terminal 6 and the pair of restricting wall portions 64 are integrally formed as one component from one sheet metal. As a result, even when excessive torque is input to the torque input portion 81 of the female screw member 8A to damage the base portion 40 made of a resin material, the rotation of the female screw member 8A is restricted by the pair of restriction wall portions 64. , damage to the base 40 can be avoided. As a result, it is possible to set a high tightening torque at the time of fastening and fixing.

（作用並びに効果）
以上説明したように、本実施形態の電子装置１は、配線基板３Ａを収容するケース２に装着された端子台４を有し、端子台４には、端子６が設けられている。この端子６は、接続側端子７が重ねて配置される平板状の第１接続部６１と、第１接続部６１に繋がって一体に形成された一対の規制壁部６４と、を有している。端子６と接続側端子７は、接続側端子７及び第１接続部６１に雄ねじ部材８Ｂを挿通させ、当該雄ねじ部材８Ｂと雌ねじ部材８Ａとを螺合させることにより、締結されている。ここで、端子６に設けられた一対の規制壁部６４は、雌ねじ部材８Ａの側面に近接対向して配置され、雌ねじ部材８Ａの螺合時の回転を規制するように構成されている。このように、上記構造の端子６には、接続側端子７との締結固定時に、雌ねじ部材８Ａの回転を規制する一対の規制壁部６４が一体に形成されている。従って、これらの部位が同一材料により１つの部品として一体に成形されるため、部品点数を減少させることができると共に、端子６の強度を利用して雌ねじ部材８Ａの回転を規制することができる。これにより、締結固定時の締付けトルクを高く設定することができ、製造コストの削減を図ることができる。 (Action and effect)
As described above, the electronic device 1 of the present embodiment has the terminal block 4 attached to the case 2 that accommodates the wiring board 3A, and the terminal block 4 is provided with the terminals 6 . The terminal 6 has a flat plate-like first connection portion 61 on which the connection-side terminals 7 are arranged in an overlapping manner, and a pair of restriction wall portions 64 integrally formed to be connected to the first connection portion 61. there is The terminal 6 and the connection-side terminal 7 are fastened by inserting the male screw member 8B through the connection-side terminal 7 and the first connection portion 61 and screwing the male screw member 8B and the female screw member 8A together. Here, the pair of regulating wall portions 64 provided in the terminal 6 are arranged in close proximity to the side surfaces of the female thread member 8A so as to regulate the rotation of the female thread member 8A during screwing. In this manner, the terminal 6 having the structure described above is integrally formed with a pair of restricting wall portions 64 that restrict the rotation of the female screw member 8A when it is fastened and fixed to the connection-side terminal 7 . Therefore, since these parts are integrally formed as one part from the same material, the number of parts can be reduced, and the strength of the terminal 6 can be utilized to restrict the rotation of the female screw member 8A. As a result, it is possible to set the tightening torque at the time of fastening and fixing to a high value, and it is possible to reduce the manufacturing cost.

また、本実施形態では、雌ねじ部材８Ａが六角ナットで構成され、六角形状のトルク入力部８１を有している。このため、端子６の一対の規制壁部６４は、六角形状のトルク入力部８１において、周方向の側面に配置された複数のトルク入力面８１Ａのうち、向かい合う位置に配置される二つのトルク入力面８１Ａに近接対向して配置される。即ち、一対の規制壁部６４が、トルク入力部の対向する側面（トルク入力面８１Ａ）を挟み込むようにして近接対向して配置される。これにより、トルク入力部８１の回転を効率的に受け止める位置に一対の規制壁部６４が配置され、効果的に締付けトルクを高めることができる。 Further, in the present embodiment, the female screw member 8A is made of a hexagonal nut and has a hexagonal torque input portion 81. As shown in FIG. For this reason, the pair of regulating wall portions 64 of the terminal 6 are arranged in the hexagonal torque input portion 81 so that, of the plurality of torque input surfaces 81A arranged on the side surfaces in the circumferential direction, two torque input surfaces are arranged at positions facing each other. They are arranged in close proximity to the surface 81A. That is, the pair of restricting wall portions 64 are arranged to face each other so as to sandwich the opposing side surfaces (torque input surface 81A) of the torque input portion. As a result, the pair of regulating wall portions 64 are arranged at positions where the rotation of the torque input portion 81 is efficiently received, and the tightening torque can be effectively increased.

また、本実施形態では、第１接続部６１と一対の規制壁部６４とが屈曲部６６を介して繋がれており、屈曲部６６に形成した凹部６８に雌ねじ部材８Ａ（トルク入力部８１）の角部８１Ｂを挿入することができる。これにより、端子６の板厚によらずに一対の規制壁部６４をトルク入力面８１Ａに近接して配置することができる。また、端子６の板厚を大きく設定することで、大電流回路にも対応可能な端子構造とすることができる。 Further, in the present embodiment, the first connecting portion 61 and the pair of restricting wall portions 64 are connected via the bent portion 66, and the concave portion 68 formed in the bent portion 66 accommodates the female screw member 8A (torque input portion 81). corner 81B can be inserted. Thereby, the pair of restricting wall portions 64 can be arranged close to the torque input surface 81</b>A regardless of the plate thickness of the terminal 6 . Further, by setting the plate thickness of the terminal 6 to be large, it is possible to obtain a terminal structure that can be used for a large current circuit.

また、本実施形態では、一対の規制壁部６４は、近接対向する雌ねじ部材８Ａのトルク入力面８１Ａの面方向と略直交する方向を板厚方向とする板体として第１接続部６１から延在されている。これにより、第１接続部６１と一対の規制壁部６４によって端子６の断面を略Ｕ字状に形成することができ、締付けトルクによる第１接続部６１の反り返りを抑制することができる。 Further, in the present embodiment, the pair of restricting wall portions 64 extend from the first connection portion 61 as plate bodies whose plate thickness direction is substantially perpendicular to the surface direction of the torque input surface 81A of the female screw member 8A that is closely opposed. exist. As a result, the cross section of the terminal 6 can be formed into a substantially U-shape by the first connecting portion 61 and the pair of restricting wall portions 64, and warping of the first connecting portion 61 due to tightening torque can be suppressed.

（端子の第１の変形例）
以下、図７を参照して、第１実施形態に係る端子６の第１の変形例について説明する。なお、前述した第１実施形態と同一構成部分については、同一番号を付してその説明を省略する。この第１の変形例に係る端子１００では、一対の規制壁部１０６Ａが、雌ねじ部材８Ａのトルク入力面８１Ａと近接対向する位置にのみ配置される。 (First modification of terminal)
A first modification of the terminal 6 according to the first embodiment will be described below with reference to FIG. In addition, about the same component part as 1st Embodiment mentioned above, the same number is attached and the description is abbreviate|omitted. In the terminal 100 according to this first modification, the pair of restricting wall portions 106A are arranged only at positions facing the torque input surface 81A of the female screw member 8A in close proximity.

図７（Ａ）に示すように、第１の変形例に係る端子１００は、平板状の第１接続部１０２と、第１接続部１０２の前端側に繋がって設けられた第２接続部１０４と、第１接続部１０２の左右両端部から上方に延びる一対の規制壁部１０６Ａを有している。第１接続部１０２と第２接続部１０４の構成は、第１実施形態に係る第１接続部６１及び第２接続部６２と同様であるため、説明を割愛する。 As shown in FIG. 7A, the terminal 100 according to the first modification includes a flat first connection portion 102 and a second connection portion 104 connected to the front end side of the first connection portion 102. and a pair of regulating wall portions 106A extending upward from both left and right ends of the first connection portion 102. As shown in FIG. Since the structures of the first connection portion 102 and the second connection portion 104 are the same as those of the first connection portion 61 and the second connection portion 62 according to the first embodiment, description thereof is omitted.

図７（Ｂ）に示すように、一対の規制壁部１０６Ａは、第１接続部１０２の左右両端部から上方側へアーム状に延びている。それぞれの規制壁部１０６Ａにおいて、雌ねじ部材８Ａのトルク入力部８１と対向する幅方向の側面は、近接対向するトルク入力面８１Ａと同等の大きさに設定されている。当該構成においても、締付けトルクの付与により、図７（Ｂ）に示す矢印の方向に雌ねじ部材８Ａが回転しようとすると、トルク入力面８１Ａに規制壁部１０６Ａの側面が当接し、雌ねじ部材８Ａの回転を規制することができる。これにより、端子１００の小型化、及び軽量化を図りつつ、締結固定時の締付けトルクを高く設定することができる。 As shown in FIG. 7B, the pair of restricting wall portions 106A extend upward in the form of arms from the left and right end portions of the first connection portion 102 . In each restricting wall portion 106A, the side surface in the width direction facing the torque input portion 81 of the female screw member 8A is set to have the same size as the torque input surface 81A which is closely opposed. Also in this configuration, when the female thread member 8A tries to rotate in the direction of the arrow shown in FIG. Rotation can be regulated. As a result, it is possible to set the tightening torque at the time of fastening and fixing to a high value while reducing the size and weight of the terminal 100 .

なお、上記構成に限らず、一対の規制壁部の大きさをトルク入力面の大きさよりも小さく設定してもよい。この場合、図７（Ｃ）に示す一対の規制壁部１０６Ｂのように、一対の規制壁部１０６Ｂが、雌ねじ部材８Ａのトルク入力面８１Ａの周方向端に設けられた二つの角部８１Ｃに近接対向して配置されることが好ましい。この二つの角部８１Ｃは、六角形状のトルク入力部８１の対角に位置しており、締付けトルクの付与により雌ねじ部材８Ａが回転しようとすると、一対の規制壁部１０６Ｂがトルク入力部８１の角部８１Ｃに当接し、雌ねじ部材８Ａの回転を規制することができる。角部８１Ｃは、トルク入力部８１の回転中心から最も離れた位置であるため、僅かな力によりトルク入力部８１の回転を規制することができる。このように、締付けトルクの方向に対する一対の規制壁部の配置を最適化させることで、一対の規制壁部を更に小さく形成することが可能である。 Note that the size of the pair of restricting wall portions may be set smaller than the size of the torque input surface without being limited to the above configuration. In this case, like the pair of restricting wall portions 106B shown in FIG. 7C, the pair of restricting wall portions 106B are provided at the two corner portions 81C provided at the circumferential ends of the torque input surface 81A of the female screw member 8A. They are preferably arranged in close proximity. These two corner portions 81C are positioned at opposite corners of the hexagonal torque input portion 81, and when the female thread member 8A attempts to rotate due to the application of tightening torque, the pair of regulating wall portions 106B of the torque input portion 81 It abuts on the corner portion 81C and can restrict the rotation of the female screw member 8A. Since the corner portion 81C is the farthest position from the center of rotation of the torque input portion 81, it is possible to restrict the rotation of the torque input portion 81 with a slight force. By optimizing the arrangement of the pair of restricting wall portions in the direction of the tightening torque in this way, it is possible to form the pair of restricting wall portions even smaller.

（端子の第２の変形例）
以下、図８を参照して、第１実施形態に係る端子６の第２の変形例について説明する。なお、前述した第１実施形態と同一構成部分については、同一番号を付してその説明を省略する。この第２変形例に係る端子２００では、一対の規制壁部２０６Ａが、雌ねじ部材８Ａのトルク入力面８１Ａの面方向に沿った方向を板厚方向とする板体として構成されることで、締付けトルクの方向に対して、規制壁部２０６Ａの強度を高めた点に特徴がある。 (Second modification of terminal)
A second modification of the terminal 6 according to the first embodiment will be described below with reference to FIG. In addition, about the same component part as 1st Embodiment mentioned above, the same number is attached and the description is abbreviate|omitted. In the terminal 200 according to the second modification, the pair of restricting wall portions 206A are configured as plate bodies whose plate thickness direction is the direction along the surface direction of the torque input surface 81A of the female screw member 8A. It is characterized in that the strength of the regulation wall portion 206A is increased in the direction of torque.

図８（Ａ）に示すように、第２の変形例に係る端子２００は、平板状の第１接続部２０２と、第１接続部２０２の前端側に繋がって設けられた第２接続部２０４と、第１接続部２０２の左右両端部に繋がって設けられた一対の規制壁部２０６Ａを有している。第１接続部２０２と第２接続部２０４の構成は、第１実施形態に係る第１接続部６１及び第２接続部６２と同様であるため、説明を割愛する。 As shown in FIG. 8A, the terminal 200 according to the second modification includes a flat plate-like first connection portion 202 and a second connection portion 204 connected to the front end side of the first connection portion 202. and a pair of restricting wall portions 206</b>A connected to the left and right ends of the first connection portion 202 . Since the structures of the first connection portion 202 and the second connection portion 204 are the same as those of the first connection portion 61 and the second connection portion 62 according to the first embodiment, description thereof will be omitted.

一対の規制壁部２０６Ａは、第１接続部２０２の左右両端部から左右外側に張り出して形成された一対の張出部２０８の先端に形成されている。一対の規制壁部２０６Ａは、左右の張出部２０８の先端を直角上方に折り曲げて形成される。これにより、一対の規制壁部２０６Ａの間に雌ねじ部材８Ａを配置すると、雌ねじ部材８Ａのトルク入力部８１の向かい合う位置に配置される二つのトルク入力面８１Ａに対して、それぞれの規制壁部２０６Ａの板厚方向に面した端面が近接対向する。 The pair of regulating wall portions 206A are formed at the tips of a pair of overhanging portions 208 that overhang from the left and right end portions of the first connection portion 202 to the left and right outside. The pair of restricting wall portions 206A are formed by bending the tips of the left and right projecting portions 208 upward at right angles. Accordingly, when the female screw member 8A is arranged between the pair of regulation wall portions 206A, the respective regulation wall portions 206A are applied to the two torque input surfaces 81A arranged at positions facing each other in the torque input portion 81 of the female screw member 8A. The end faces facing the plate thickness direction are closely opposed to each other.

締付けトルクの付与により、図８（Ｂ）に示す矢印の方向に雌ねじ部材８Ａが回転しようとすると、トルク入力面８１Ａに規制壁部２０６Ａが突き当てられて雌ねじ部材８Ａの回転を規制することができる。規制壁部２０６Ａは、板厚方向に面した端面で雌ねじ部材８Ａの回転を受けることにより、締付けトルクの方向に対する強度を確保することができる。 When the female threaded member 8A attempts to rotate in the direction of the arrow shown in FIG. 8B by applying the tightening torque, the torque input surface 81A is abutted against the regulating wall 206A to restrict the rotation of the female threaded member 8A. can. 206 A of control wall parts can ensure the intensity|strength with respect to the direction of a tightening torque by receiving rotation of 8 A of internal thread members with the end surface facing the board|plate thickness direction.

なお、図８（Ａ）及び図８（Ｂ）に示す一例では、規制壁部２０６Ａの端面をトルク入力面８１Ａの中央に近接対向させる構成としたが、図８（Ｃ）に示す規制壁部２０６Ｂように、規制壁部２０６Ｂの端面をトルク入力面８１Ａの周方向端に設けられた二つの角部８１Ｃに近接対向させる構成としてもよい。当該構成によれば、図７（Ｃ）に示す変形例と同様に、僅かな力で効率的に雌ねじ部材８Ａの回転を規制することができるため、図８（Ｂ）に示す規制壁部２０６Ａと同様の板厚で、締付けトルクをより一層、高く設定することが可能となる。 In the example shown in FIGS. 8(A) and 8(B), the end surface of the regulation wall portion 206A is configured to face the center of the torque input surface 81A in close proximity, but the regulation wall portion shown in FIG. 8(C) As shown in 206B, the end face of the regulation wall portion 206B may be configured to face the two corner portions 81C provided at the circumferential ends of the torque input surface 81A. According to this configuration, similarly to the modification shown in FIG. 7(C), it is possible to efficiently restrict the rotation of the female screw member 8A with a slight force. It is possible to set the tightening torque even higher with the same plate thickness.

（端子の第３の変形例）
以下、図９を参照して、第１実施形態に係る端子６の第３の変形例について説明する。なお、前述した第１実施形態と同一構成部分については、同一番号を付してその説明を省略する。この第３の変形例に係る端子３００は、第１接続部３０２に繋がって設けられた三つの規制壁部３０６を有する点に特徴がある。 (Third modification of terminal)
A third modification of the terminal 6 according to the first embodiment will be described below with reference to FIG. In addition, about the same component part as 1st Embodiment mentioned above, the same number is attached and the description is abbreviate|omitted. A terminal 300 according to the third modification is characterized in that it has three restricting wall portions 306 connected to the first connecting portion 302 .

図９（Ａ）に示すように、第３の変形例に係る端子３００は、平板状の第１接続部３０２と、第１接続部３０２の前端側に繋がって設けられた第２接続部３０４と、三つの規制壁部３０６とを有している。第１接続部３０２と第２接続部３０４の構成は、第１実施形態に係る第１接続部６１及び第２接続部６２と同様であるため、説明を割愛する。 As shown in FIG. 9A, the terminal 300 according to the third modification includes a flat first connecting portion 302 and a second connecting portion 304 connected to the front end side of the first connecting portion 302. , and three restricting wall portions 306 . Since the configurations of the first connection portion 302 and the second connection portion 304 are the same as those of the first connection portion 61 and the second connection portion 62 according to the first embodiment, description thereof will be omitted.

三つの規制壁部３０６は、第１接続部３０２の左右両端部から上方に延びる一対の第１規制壁部３０６Ａと、一方の第１規制壁部３０６Ａの先端に繋がって設けられた一つの第２規制壁部３０６Ｂによって構成されている。一対の第１規制壁部３０６Ａは、第１接続部３０２の左右両端部から上方側へアーム状に延びている。一対の第１規制壁部３０６Ａの間に雌ねじ部材８Ａのトルク入力部８１が配置されると、六角形状を成すトルク入力部８１の向かい合う位置に配置された二つのトルク入力面８１Ａが第１規制壁部３０６Ａに近接対向する。 The three restricting wall portions 306 are a pair of first restricting wall portions 306A extending upward from the left and right ends of the first connecting portion 302, and one first restricting wall portion 306A provided at the tip of one of the first restricting wall portions 306A. It is composed of two regulating wall portions 306B. The pair of first restricting wall portions 306A extend upward from the left and right end portions of the first connecting portion 302 in an arm shape. When the torque input portion 81 of the female screw member 8A is arranged between the pair of first regulation wall portions 306A, the two torque input surfaces 81A arranged at positions facing each other of the hexagonal torque input portion 81 form the first regulation. It closely faces the wall portion 306A.

一方の第１規制壁部３０６Ａには、先端から第１接続部３０２と対向するように延びる連結壁部３０８が設けられている。この連結壁部３０８は、雌ねじ部材８Ａのトルク入力部８１の軸方向の端面に対向して配置される。連結壁部３０８の端部からは、トルク入力部８１の側面を覆う第２規制壁部３０６Ｂが垂下されている。第２規制壁部３０６Ｂは、トルク入力部８１の周方向に沿って第１規制壁部３０６Ａと並んで配置されており、第１規制壁部３０６Ａと同様に一つのトルク入力面８１Ａに近接対向して配置されている。 A connecting wall portion 308 extending from the tip so as to face the first connection portion 302 is provided on one of the first restricting wall portions 306A. The connecting wall portion 308 is arranged to face the axial end face of the torque input portion 81 of the female screw member 8A. A second restricting wall portion 306</b>B that covers the side surface of the torque input portion 81 hangs down from the end portion of the connecting wall portion 308 . The second restricting wall portion 306B is arranged side by side with the first restricting wall portion 306A along the circumferential direction of the torque input portion 81, and is closely opposed to one torque input surface 81A similarly to the first restricting wall portion 306A. are arranged as follows.

第１規制壁部３０６Ａと第２規制壁部３０６Ｂとの間には、スリット状の凹部３１０を形成することで小さな間隙が形成されている。この凹部３１０の内側には、雌ねじ部材８Ａのトルク入力面８１Ａの周方向端に設けられた角部８１Ｃが挿入される。これにより、第１規制壁部３０６Ａと第２規制壁部３０６Ｂとの間にＲ状の曲げ変形部が形成されないため、第１規制壁部３０６Ａと第２規制壁部３０６Ｂの側面をトルク入力面８１Ａにより近づけて配置することができる。 A small gap is formed by forming a slit-shaped concave portion 310 between the first restricting wall portion 306A and the second restricting wall portion 306B. Inside this concave portion 310, a corner portion 81C provided at the circumferential end of the torque input surface 81A of the female screw member 8A is inserted. As a result, an R-shaped bending deformation portion is not formed between the first restriction wall portion 306A and the second restriction wall portion 306B, so that the side surfaces of the first restriction wall portion 306A and the second restriction wall portion 306B are torque input surfaces. 81A can be placed closer together.

上記構成によれば、雌ねじ部材８Ａのトルク入力部８１の周方向に配置された複数のトルク入力面８１Ａのうち、三つのトルク入力面８１Ａのそれぞれに端子３００の規制壁部３０６Ａ，３０６Ｂが近接対向して配置される。これにより、締付けトルクの付与により図９（Ｂ）で示す矢印の方向にトルク入力部８１が回転しようとすると、三つの規制壁部３０６Ａ，３０６Ｂがトルク入力面８１Ａに当接して雌ねじ部材８Ａの回転を規制することができる。 According to the above configuration, of the plurality of torque input surfaces 81A arranged in the circumferential direction of the torque input portion 81 of the female screw member 8A, the restriction wall portions 306A and 306B of the terminal 300 are adjacent to the three torque input surfaces 81A, respectively. arranged opposite to each other. As a result, when the torque input portion 81 attempts to rotate in the direction of the arrow shown in FIG. 9(B) due to the application of tightening torque, the three regulating wall portions 306A and 306B come into contact with the torque input surface 81A and the internal thread member 8A is tightened. Rotation can be regulated.

［第２実施形態］
以下、図１０及び図１１を参照して、第２実施形態に係る端子台４００について説明する。なお、前述した第１実施形態と同一構成部分については、同一番号を付してその説明を省略する。この第２実施形態に係る端子台４００では、樹脂材から成る基台部４０に雄ねじ部材５００が埋設されている点に特徴がある。他の構成は、第１実施形態に係る端子台４と同一である。 [Second embodiment]
Hereinafter, a terminal block 400 according to the second embodiment will be described with reference to FIGS. 10 and 11. FIG. In addition, about the same component part as 1st Embodiment mentioned above, the same number is attached and the description is abbreviate|omitted. The terminal block 400 according to the second embodiment is characterized in that the male screw member 500 is embedded in the base portion 40 made of a resin material. Other configurations are the same as those of the terminal block 4 according to the first embodiment.

図１０に示すように、本実施形態に係る雄ねじ部材５００は、六角ボルトで構成されており、六角形状（六角柱状）のトルク入力部５０２と、外周面に雄ねじが形成された軸部５０４を有している。トルク入力部５０２の側面は、周方向に配置された六つのトルク入力面５０２Ａで構成されている。 As shown in FIG. 10, a male threaded member 500 according to the present embodiment is composed of a hexagonal bolt, and has a hexagonal (hexagonal columnar) torque input portion 502 and a shaft portion 504 having a male thread formed on the outer peripheral surface. have. The side surface of the torque input portion 502 is composed of six torque input surfaces 502A arranged in the circumferential direction.

端子台４００は、基台部４０の台部４５に形成された角穴４６に雄ねじ部材５００のトルク入力部５０２が埋設される。雄ねじ部材５００には、下方側から端子６と接続側端子７が重ねられ、雄ねじ部材５００の軸部５０４が端子６及び接続側端子７の貫通孔６３，７２に挿通される。端子６と接続側端子７は、接続側端子７の下方側に配置された雌ねじ部材８Ａが雄ねじ部材５００の軸部５０４に螺合することにより、締結固定される。 Terminal block 400 has torque input portion 502 of male screw member 500 embedded in square hole 46 formed in base portion 45 of base portion 40 . The terminal 6 and the connection-side terminal 7 are superimposed on the male screw member 500 from below, and the shaft portion 504 of the male screw member 500 is inserted through the through holes 63 and 72 of the terminal 6 and the connection-side terminal 7 . The terminal 6 and the connection-side terminal 7 are fastened and fixed by screwing the female screw member 8</b>A arranged on the lower side of the connection-side terminal 7 to the shaft portion 504 of the male screw member 500 .

上記構成では、雄ねじ部材５００のトルク入力部５０２の側面（トルク入力面５０２Ａ）に端子６の一対の規制壁部６４が近接対向して配置される。そして、締付けトルクの付与により雄ねじ部材５００が回転すると、一対の規制壁部６４がトルク入力面５０２Ａに当接して雄ねじ部材５００の回転を規制する。これにより、第２実施形態に係る端子台４００においても、第１実施形態の端子台４と同様の作用並びに効果を奏することができる。
[補足説明] In the above configuration, the pair of restricting wall portions 64 of the terminal 6 are arranged on the side surfaces (torque input surface 502A) of the torque input portion 502 of the male screw member 500 so as to face each other. When the male threaded member 500 rotates due to the application of the tightening torque, the pair of restricting wall portions 64 abut against the torque input surfaces 502A to restrict the rotation of the male threaded member 500 . Accordingly, the terminal block 400 according to the second embodiment can also achieve the same functions and effects as the terminal block 4 according to the first embodiment.
[supplementary explanation]

上記各実施形態及び各変形例の構成は、本発明の要旨を逸脱しない範囲で組み合わせや変更を行うことが可能である。 The configurations of the above embodiments and modifications can be combined and modified without departing from the scope of the present invention.

なお、上記各実施形態及び各変形例では、雌ねじ部材と端子が端子台として一体化される構成としたが、本発明はこれに限らず、必要に応じて、端子台と分離独立して構成することができる。 In each of the above-described embodiments and modifications, the female screw member and the terminal are configured to be integrated as a terminal block, but the present invention is not limited to this, and if necessary, the terminal block can be separated and independently configured. can do.

また、上記各実施形態及び各変形例では、雌ねじ部材と端子が樹脂材から成る基台部にアウトサート成形により一体化される構成としたが、本発明はこれに限らず、インサート生成により、基台部と一体化される構成としてもよい。 Further, in each of the above-described embodiments and modifications, the female screw member and the terminal are integrated with the base portion made of a resin material by outsert molding, but the present invention is not limited to this. It is good also as a structure integrated with a base part.

また、上記第１実施形態及び第２実施形態では、雄ねじ部材と雌ねじ部材のトルク入力部８１，５０２が六角形状に形成されたが、本発明はこれに限らない。トルク入力部は多角形状であればよく、例えば、雄ねじ部材と雌ねじ部材を四角ボルトと四角ナットで構成してトルク入力部が四角形状に形成される構成でもよい。
また、上記第１実施形態及び第２実施形態の雌ねじ部材は六角ナットで構成される構成としたが、これに限らず、例えば、六角袋ナットで構成してもよい。 Moreover, although the torque input portions 81 and 502 of the male thread member and the female thread member are formed in a hexagonal shape in the first embodiment and the second embodiment, the present invention is not limited to this. The torque input portion may have a polygonal shape. For example, the torque input portion may be formed in a square shape by using a square bolt and a square nut as the male screw member and the female screw member.
Moreover, although the internal thread member of the said 1st Embodiment and 2nd Embodiment was made into the structure comprised by the hexagonal nut, you may comprise not only this but a hexagonal box nut, for example.

また、一対の規制壁部が近接対向する側面は多角形状に形成される構成に限らず、雄ねじ部材又は雌ねじ部材の側面に、一対の規制壁部と近接対向する少なくとも二つの側面が形成される構成であればよい。 In addition, the configuration is not limited to the configuration in which the side surfaces of the pair of restricting wall portions that face each other in close proximity are formed in a polygonal shape, and at least two side surfaces that closely face the pair of restricting wall portions are formed on the side surfaces of the male screw member or the female screw member. Any configuration is acceptable.

１ 電子装置
２ ケース
３Ａ 配線基板
６ 端子
７ 接続側端子
８Ａ 雌ねじ部材
８Ｂ 雄ねじ部材
６１ 第１接続部（接続部）
６４ 規制壁部
６６ 屈曲部
６８ 凹部
８１ トルク入力部
８１Ａ トルク入力面（雌ねじ部材の側面）
８１Ｂ トルク入力部の角部
１００ 端子
１０２ 第１接続部（接続部）
１０６Ａ 規制壁部
１０６Ｂ 規制壁部
２００ 端子
２０２ 第１接続部（接続部）
２０６Ａ 規制壁部
２０６Ｂ 規制壁部
３００ 端子
３０２ 第１接続部（接続部）
３０６Ａ 第１規制壁部（規制壁部）
５００ 雄ねじ部材
５０２ トルク入力部
５０２Ａ トルク入力面（雄ねじ部材の側面）
REFERENCE SIGNS LIST 1 electronic device 2 case 3A wiring board 6 terminal 7 connection side terminal 8A female screw member 8B male screw member 61 first connecting portion (connecting portion)
64 regulating wall portion 66 bent portion 68 concave portion 81 torque input portion 81A torque input surface (side surface of female thread member)
81B corner of torque input portion 100 terminal 102 first connection portion (connection portion)
106A Regulating wall portion 106B Regulating wall portion 200 Terminal 202 First connection portion (connection portion)
206A Regulating wall portion 206B Regulating wall portion 300 Terminal 302 First connection portion (connection portion)
306A first regulation wall (regulation wall)
500 male screw member 502 torque input portion 502A torque input surface (side surface of male screw member)

Claims (6)

雄ねじ部材と雌ねじ部材を用いて接続側端子に締結される端子と、
前記端子が装着される端子台と、を備え、
前記端子は、前記接続側端子が重ねて配置される平板状の接続部と、前記接続部に繋がって一体に形成された一対の規制壁部と、を有し、
前記端子台は、前記雄ねじ部材又は前記雌ねじ部材が配置される穴部と、前記穴部の両側に形成された一対の溝部とを有し、
前記端子台に装着された前記端子の前記一対の規制壁部が、前記端子台の前記一対の溝部に挿し込まれた状態で設けられ、
前記接続部に前記接続側端子を重ねて配置し、前記接続側端子及び前記接続部に挿通させた前記雄ねじ部材を挿通させ、当該雄ねじ部材と前記雌ねじ部材とを螺合させることにより、前記端子が前記接続側端子に締結され、
前記端子台の前記一対の溝部内に設けられた前記端子の前記一対の規制壁部が、前記穴部の両側の壁部となり、前記穴部内に配置された前記雄ねじ部材又は前記雌ねじ部材の側面に近接対向して配置され、前記雄ねじ部材又は前記雌ねじ部材の螺合時の回転を規制するように構成された端子アセンブリ構造。 a terminal fastened to a connection-side terminal using a male screw member and a female screw member;
and a terminal block on which the terminal is mounted ,
The terminal has a plate-like connecting portion in which the connecting-side terminals are arranged to overlap, and a pair of restricting wall portions that are integrally formed and connected to the connecting portion,
The terminal block has a hole in which the male screw member or the female screw member is arranged, and a pair of grooves formed on both sides of the hole,
The pair of restricting wall portions of the terminal attached to the terminal block are provided in a state of being inserted into the pair of groove portions of the terminal block,
The terminal is formed by arranging the connection-side terminal so as to overlap the connection portion, inserting the male screw member inserted through the connection-side terminal and the connection portion, and screwing the male screw member and the female screw member together. is fastened to the connection side terminal,
The pair of restricting wall portions of the terminal provided in the pair of groove portions of the terminal block serve as wall portions on both sides of the hole portion, and side surfaces of the male screw member or the female screw member arranged in the hole portion. terminal assembly structure disposed in close proximity to and opposed to each other, and configured to restrict rotation of the male screw member or the female screw member when they are screwed together. 前記雄ねじ部材又は前記雌ねじ部材は、多角形状のトルク入力部を有し、
前記側面は、前記トルク入力部において周方向の側面に配置された複数のトルク入力面のうち、多角形状の向かい合う位置に配置される二つのトルク入力面とされ、
前記一対の規制壁部は、当該二つのトルク入力面に近接対向して配置される請求項１に記載の端子アセンブリ構造。 The male threaded member or the female threaded member has a polygonal torque input portion,
The side surfaces are two torque input surfaces arranged at polygonal facing positions among a plurality of torque input surfaces arranged on the side surfaces in the circumferential direction of the torque input portion,
2. The terminal assembly structure according to claim 1, wherein said pair of regulating wall portions are arranged so as to closely face said two torque input surfaces. 前記接続部と前記一対の規制壁部とをそれぞれ繋ぐ屈曲部を有し、
前記屈曲部には、前記トルク入力部の角部が挿入される凹部が形成されている請求項２に記載の端子アセンブリ構造。 having a bent portion that connects the connection portion and the pair of restriction wall portions, respectively;
3. The terminal assembly structure according to claim 2, wherein the bent portion is formed with a concave portion into which a corner portion of the torque input portion is inserted. 前記一対の規制壁部は、近接対向する前記雄ねじ部材又は前記雌ねじ部材の側面の面方向と略直交する方向を板厚方向とする板体によってそれぞれ構成され、前記規制壁部の幅方向の寸法を有する側面が前記雄ねじ部材又は前記雌ねじ部材の側面に近接対向して配置される請求項１～３のいずれかに記載の端子アセンブリ構造。 Each of the pair of restricting wall portions is composed of a plate having a plate thickness direction substantially perpendicular to the surface direction of the side surfaces of the male threaded member or the female threaded member facing each other closely, and the width direction dimension of the restricting wall portion 4. The terminal assembly structure according to any one of claims 1 to 3, wherein the side surface having the . 前記一対の規制壁部は、近接対向する前記雄ねじ部材又は前記雌ねじ部材の側面の面方向に沿った方向を板厚方向とする板体によってそれぞれ構成され、前記規制壁部の板厚方向の寸法を有する側面が前記雄ねじ部材又は前記雌ねじ部材の側面に近接対向して配置される請求項１又は２に記載の端子アセンブリ構造。 Each of the pair of restricting wall portions is composed of a plate having a plate thickness direction along a surface direction of the side surfaces of the male thread member or the female thread member that face each other closely, and the dimension of the plate thickness direction of the restricting wall portion 3. The terminal assembly structure according to claim 1 or 2, wherein the side surface having the . 配線基板と、
前記配線基板を収容するケースと、
前記配線基板に電気的に接続されるとともに、雄ねじ部材と雌ねじ部材を用いて接続側端子に締結される端子と、
前記端子が装着され、前記ケースに取り付けられる端子台と、を備え、
前記端子は、前記接続側端子を重ねて配置される平板状の接続部と、前記接続部に繋がって一体に形成された一対の規制壁部と、を有し、
前記端子台は、前記雄ねじ部材又は前記雌ねじ部材が配置される穴部と、前記穴部の両側に形成された一対の溝部とを有し、
前記端子台に装着された前記端子の前記一対の規制壁部が、前記端子台の前記一対の溝部に挿し込まれた状態で設けられ、
前記接続部に前記接続側端子を重ねて配置し、前記接続側端子及び前記接続部に挿通させた前記雄ねじ部材と前記雌ねじ部材とを螺合させることにより、前記端子が前記接続側端子に締結され、
前記端子台の前記一対の溝部内に設けられた前記端子の前記一対の規制壁部が、前記穴部の両側の壁部となり、前記穴部内に配置された前記雄ねじ部材又は前記雌ねじ部材の側面に近接対向して配置され、前記雄ねじ部材又は前記雌ねじ部材の螺合時の回転を規制するように構成された電子装置。

a wiring board;
a case that accommodates the wiring board;
a terminal electrically connected to the wiring board and fastened to the connection-side terminal using a male screw member and a female screw member;
a terminal block on which the terminal is mounted and attached to the case,
The terminal has a flat plate-like connection portion arranged to overlap the connection-side terminals, and a pair of restriction wall portions integrally formed to be connected to the connection portion,
The terminal block has a hole in which the male screw member or the female screw member is arranged, and a pair of grooves formed on both sides of the hole,
The pair of restricting wall portions of the terminal attached to the terminal block are provided in a state of being inserted into the pair of groove portions of the terminal block,
The terminal is fastened to the connection-side terminal by arranging the connection-side terminal so as to overlap the connection-side terminal, and screwing the male screw member and the female screw member inserted through the connection-side terminal and the connection portion. is,
The pair of restricting wall portions of the terminal provided in the pair of groove portions of the terminal block serve as wall portions on both sides of the hole portion, and side surfaces of the male screw member or the female screw member arranged in the hole portion. and is configured to restrict the rotation of the male screw member or the female screw member when they are screwed together.
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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006004756A (en) 2004-06-17 2006-01-05 Sumitomo Wiring Syst Ltd Terminal fitting for grounding
WO2020194804A1 (en) 2019-03-28 2020-10-01 住友電装株式会社 Busbar and wire harness

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0737634A (en) * 1993-07-23 1995-02-07 Nec Corp Open tip connector terminal with stopper

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006004756A (en) 2004-06-17 2006-01-05 Sumitomo Wiring Syst Ltd Terminal fitting for grounding
WO2020194804A1 (en) 2019-03-28 2020-10-01 住友電装株式会社 Busbar and wire harness

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