JP5806128B2 - Busbar assembly structure - Google Patents

Busbar assembly structure Download PDF

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JP5806128B2
JP5806128B2 JP2012006844A JP2012006844A JP5806128B2 JP 5806128 B2 JP5806128 B2 JP 5806128B2 JP 2012006844 A JP2012006844 A JP 2012006844A JP 2012006844 A JP2012006844 A JP 2012006844A JP 5806128 B2 JP5806128 B2 JP 5806128B2
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press
dimension
bus bar
fitting piece
fitting
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JP2013150377A (en
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健郎 古賀
健郎 古賀
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Yazaki Corp
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Description

本発明は、電子機器のハウジングにバスバーを組み付けるバスバー組み付け構造に関するものである。   The present invention relates to a bus bar assembly structure in which a bus bar is assembled to a housing of an electronic device.

電子機器のハウジングにバスバーを組み付けるバスバー組み付け構造としては種々のものが提案されている（例えば特許文献１を参照。）。一従来例として、図１０〜１３に示されたバスバー組み付け構造について説明する。   Various bus bar assembly structures for assembling a bus bar to a housing of an electronic device have been proposed (see, for example, Patent Document 1). As a conventional example, the bus bar assembly structure shown in FIGS.

図１０〜１３に示すように、バスバー組み付け構造２０１は、金属板にプレス加工等が施されて得られるバスバー２０２と、該バスバー２０２が組み付けられる合成樹脂製のハウジング２０３とで構成されている。   As shown in FIGS. 10 to 13, the bus bar assembly structure 201 includes a bus bar 202 obtained by pressing a metal plate or the like, and a synthetic resin housing 203 into which the bus bar 202 is assembled.

上記バスバー２０２には、図１０に示すように、長方形板状の圧入片２２１と、電源接続部２２２と、図示しない電子部品に電気接続される一対の雄型端子部２２３と、これらを連結した基部２２０と、が設けられている。   As shown in FIG. 10, the bus bar 202 has a rectangular plate-shaped press-fitting piece 221, a power supply connecting portion 222, and a pair of male terminal portions 223 that are electrically connected to electronic components (not shown), and these are connected. And a base 220.

上記ハウジング２０３には、前記圧入片２２１が固定される固定部２３０が設けられている。この固定部２３０は、図１０に示すように、外形が直方体状に形成されており、圧入片２２１が圧入される圧入穴２０４と、基部２２０における圧入片２２１近傍部分が挿入される溝２０５と、が設けられている。   The housing 203 is provided with a fixing portion 230 to which the press-fitting piece 221 is fixed. As shown in FIG. 10, the fixing portion 230 has a rectangular parallelepiped shape. The fixing portion 230 has a press-fitting hole 204 into which the press-fitting piece 221 is press-fitted, and a groove 205 into which a portion near the press-fitting piece 221 in the base 220 is inserted. , Is provided.

また、図１０〜１３中の矢印Ｙは、圧入片２２１の長手方向及び固定部２３０の高さ方向と平行な方向を表しており、矢印Ｘは、圧入片２２１の幅方向及び固定部２３０の幅方向と平行な方向を表しており、矢印Ｚは、圧入片２２１の厚み方向及び固定部２３０の厚み方向と平行な方向を表している。   10 to 13 indicate the direction parallel to the longitudinal direction of the press-fit piece 221 and the height direction of the fixing portion 230, and the arrow X indicates the width direction of the press-fit piece 221 and the fixing portion 230. A direction parallel to the width direction is represented, and an arrow Z represents a direction parallel to the thickness direction of the press-fitting piece 221 and the thickness direction of the fixing portion 230.

上記圧入穴２０４は、図１２，１３に示すように、幅方向の寸法（矢印Ｘ方向の寸法）が圧入片２２１の幅方向の寸法よりも若干大きく形成されているとともに厚み方向の寸法（矢印Ｚ方向の寸法）が圧入片２２１の厚み方向の寸法よりも小さく形成されている。   As shown in FIGS. 12 and 13, the press-fitting hole 204 is formed such that the dimension in the width direction (dimension in the arrow X direction) is slightly larger than the dimension in the width direction of the press-fitting piece 221 and the dimension in the thickness direction (arrow). The dimension in the Z direction) is smaller than the dimension in the thickness direction of the press-fitting piece 221.

上記構成のバスバー組み付け構造２０１においては、圧入片２２１が圧入穴２０４の矢印Ｚ方向に対向する２面間に圧入されることにより固定部２３０に固定される。そして、圧入片２２１が固定部２３０に固定されることによりバスバー２０２がハウジング２０３に組み付けられる。   In the bus bar assembly structure 201 configured as described above, the press-fitting piece 221 is fixed to the fixing portion 230 by being press-fitted between the two surfaces of the press-fitting hole 204 facing in the arrow Z direction. The bus bar 202 is assembled to the housing 203 by fixing the press-fitting piece 221 to the fixing portion 230.

特開２０００−０６９６４８号公報JP 2000-069648 A

しかしながら、上述したバスバー組み付け構造２０１においては、以下に示す問題があった。すなわち、圧入穴２０４は、幅方向の寸法（矢印Ｘ方向の寸法）が圧入片２２１の幅方向の寸法よりも若干大きく形成されていたことから、圧入片２２１が圧入穴２０４に圧入される際、矢印Ｙ方向に対して斜め方向に圧入されてしまう場合があり、その場合、一対の雄型端子部２２３のアライメント不良が生じたり、圧入片２２１によって圧入穴２０４の内面が削られ、圧入片２２１の保持力が低下してしまうという問題があった。   However, the bus bar assembly structure 201 described above has the following problems. That is, the press-fitting hole 204 is formed so that the dimension in the width direction (dimension in the arrow X direction) is slightly larger than the dimension in the width direction of the press-fitting piece 221. In this case, the pair of male terminal portions 223 may be misaligned, or the inner surface of the press-fitting hole 204 may be scraped by the press-fitting piece 221. There was a problem that the holding power of 221 would decrease.

したがって、本発明は、バスバーのアライメント精度を向上させることができ、かつ、バスバー保持力の低下を防止することができるバスバー組み付け構造を提供することを目的とする。   Therefore, an object of the present invention is to provide a bus bar assembly structure that can improve the alignment accuracy of the bus bar and can prevent a decrease in the bus bar holding force.

上記目的を達成するために請求項１に記載された発明は、バスバーと、該バスバーが組み付けられるハウジングと、で構成されるバスバー組み付け構造において、前記バスバーに、長方形板状の圧入片が設けられ、前記ハウジングに、前記圧入片が圧入される圧入穴が設けられ、前記圧入穴の所定位置から開口部側に、幅方向の寸法が前記圧入片の幅方向の寸法よりも小さいとともに厚み方向の寸法が前記圧入片の厚み方向の寸法よりも大きい部分が設けられ、前記圧入穴の所定位置から奥側の部分は、幅方向の寸法が前記圧入片の幅方向の寸法よりも小さく形成されているとともに厚み方向の寸法が前記圧入片の厚み方向の寸法よりも小さく形成されていることを特徴とするバスバー組み付け構造である。   In order to achieve the above object, the invention described in claim 1 is a bus bar assembly structure including a bus bar and a housing to which the bus bar is assembled, and the bus bar is provided with a rectangular plate-shaped press-fitting piece. The housing is provided with a press-fitting hole into which the press-fitting piece is press-fitted, and the dimension in the width direction is smaller than the dimension in the width direction of the press-fitting piece from the predetermined position of the press-fitting hole to the thickness direction. A part having a dimension larger than the dimension in the thickness direction of the press-fitting piece is provided, and the part on the back side from the predetermined position of the press-fitting hole is formed so that the dimension in the width direction is smaller than the dimension in the width direction of the press-fitting piece. The bus bar assembly structure is characterized in that the dimension in the thickness direction is smaller than the dimension in the thickness direction of the press-fitting piece.

請求項１に記載された発明によれば、前記圧入穴の所定位置から開口部側に、幅方向の寸法が前記圧入片の幅方向の寸法よりも小さいとともに厚み方向の寸法が前記圧入片の厚み方向の寸法よりも大きい部分が設けられ、前記圧入穴の所定位置から奥側の部分は、幅方向の寸法が前記圧入片の幅方向の寸法よりも小さく形成されているとともに厚み方向の寸法が前記圧入片の厚み方向の寸法よりも小さく形成されているので、圧入片が圧入穴に圧入される際、所定位置よりも開口部側の部分で圧入片の位置出しが行われた後、さらに幅狭な奥側の部分に圧入されることになり、前記さらに幅狭な奥側の部分に圧入される際の斜め圧入を防止することができる。その結果、バスバーがハウジングに組み付けられた状態において、バスバーのアライメント精度を向上させることができ、かつ、バスバー保持力の低下を防止することができる。   According to the first aspect of the present invention, the dimension in the width direction is smaller than the dimension in the width direction of the press-fitting piece from the predetermined position of the press-fitting hole to the opening side, and the dimension in the thickness direction is smaller than that of the press-fitting piece. A part larger than the dimension in the thickness direction is provided, and the part on the back side from the predetermined position of the press-fitting hole is formed so that the dimension in the width direction is smaller than the dimension in the width direction of the press-fitting piece and the dimension in the thickness direction Is formed smaller than the dimension in the thickness direction of the press-fitting piece, when the press-fitting piece is press-fitted into the press-fitting hole, after the press-fitting piece is positioned at a portion closer to the opening than the predetermined position, Furthermore, it will be press-fitted into the narrower back side portion, and it is possible to prevent oblique press-fitting when press-fitted into the narrower back side portion. As a result, in a state where the bus bar is assembled to the housing, the alignment accuracy of the bus bar can be improved, and a decrease in the bus bar holding force can be prevented.

本発明の一実施の形態にかかるバスバー組み付け構造の分解図である。It is an exploded view of the bus-bar assembly structure concerning one embodiment of the present invention. 図１中のＡ−Ａ線に沿った断面図である。It is sectional drawing along the AA line in FIG. 図１中のＢ−Ｂ線に沿った断面図である。It is sectional drawing along the BB line in FIG. 図１に示された圧入片を圧入穴に圧入する様子を示す斜視図である。It is a perspective view which shows a mode that the press-fit piece shown by FIG. 1 is press-fitted in a press-fit hole. 図４中のＣ−Ｃ線に沿った断面図である。It is sectional drawing along CC line in FIG. 図４中のＤ−Ｄ線に沿った断面図である。It is sectional drawing along the DD line in FIG. 図４に示された圧入片を圧入穴に圧入した状態を示す斜視図である。FIG. 5 is a perspective view showing a state where the press-fitting piece shown in FIG. 4 is press-fitted into a press-fitting hole. 図７中のＥ−Ｅ線に沿った断面図である。It is sectional drawing along the EE line in FIG. 図７中のＦ−Ｆ線に沿った断面図である。It is sectional drawing along the FF line in FIG. 従来のバスバー組み付け構造の分解図である。It is an exploded view of the conventional bus bar assembly structure. 図１０に示された圧入片を圧入穴に圧入した状態を示す斜視図である。It is a perspective view which shows the state which press-fit the press-fit piece shown by FIG. 10 in the press-fit hole. 図１１中のＧ−Ｇ線に沿った断面図である。It is sectional drawing along the GG line in FIG. 図１１中のＨ−Ｈ線に沿った断面図である。It is sectional drawing along the HH line in FIG.

本発明の一実施の形態にかかる「バスバー組み付け構造」を図１〜９を用いて説明する。図１に示すように、バスバー組み付け構造１は、金属板にプレス加工等が施されて得られるバスバー２と、該バスバー２が組み付けられる合成樹脂製のハウジング３とで構成されている。   A “bus bar assembly structure” according to an embodiment of the present invention will be described with reference to FIGS. As shown in FIG. 1, the bus bar assembly structure 1 includes a bus bar 2 obtained by pressing a metal plate or the like, and a synthetic resin housing 3 to which the bus bar 2 is assembled.

上記バスバー２には、長方形板状の圧入片２１と、電力が入力される部分である電源接続部２２と、図示しない電子部品に電気接続される一対の雄型端子部２３と、これらを連結した基部２０と、が設けられている。   The bus bar 2 is connected to a rectangular plate-shaped press-fitting piece 21, a power connection portion 22 that is a portion to which electric power is input, and a pair of male terminal portions 23 that are electrically connected to electronic components (not shown). The base 20 is provided.

上記ハウジング３には、前記圧入片２１が固定される固定部３０が設けられている。この固定部３０は、外形が直方体状に形成されており、圧入片２１が圧入される圧入穴４と、基部２０における圧入片２１近傍部分が挿入される溝５と、が設けられている。   The housing 3 is provided with a fixing portion 30 to which the press-fitting piece 21 is fixed. The fixed portion 30 is formed in a rectangular parallelepiped shape, and is provided with a press-fitting hole 4 into which the press-fitting piece 21 is press-fitted and a groove 5 into which a portion near the press-fitting piece 21 in the base 20 is inserted.

また、図１〜９中の矢印Ｙは、圧入片２１の長手方向及び固定部３０の高さ方向と平行な方向を表しており、矢印Ｘは、圧入片２１の幅方向及び固定部３０の幅方向と平行な方向を表しており、矢印Ｚは、圧入片２１の厚み方向及び固定部３０の厚み方向と平行な方向を表している。   Moreover, the arrow Y in FIGS. 1-9 represents the direction parallel to the longitudinal direction of the press-fit piece 21 and the height direction of the fixing | fixed part 30, and the arrow X is the width direction of the press-fit piece 21, and the fixing | fixed part 30 of FIG. A direction parallel to the width direction is represented, and an arrow Z represents a direction parallel to the thickness direction of the press-fitting piece 21 and the thickness direction of the fixing portion 30.

上記圧入穴４は、図２，３に示すように、固定部３０の上面から矢印Ｙ方向に凹状に形成されている。圧入穴４は、開口部４０と、底面４１と、矢印Ｘ方向に対向配置された２つの面４６，４６と、矢印Ｚ方向に対向配置された２つの面４３，４３及び２つの面４４，４４と、前記２つの面４３，４３と前記２つの面４４，４４の間に位置する段部７（特許請求の範囲の「所定位置」に相当する。）と、開口部４０の近傍に設けられた４つのテーパ面４２，４２，４５，４５と、で構成されている。   As shown in FIGS. 2 and 3, the press-fitting hole 4 is formed in a concave shape in the arrow Y direction from the upper surface of the fixing portion 30. The press-fitting hole 4 includes an opening 40, a bottom surface 41, two surfaces 46 and 46 arranged to face each other in the arrow X direction, two surfaces 43 and 43 and two surfaces 44 and 46 arranged to face each other in the arrow Z direction, 44, the two surfaces 43, 43, the step 7 (corresponding to a “predetermined position” in the claims) located between the two surfaces 44, 44, and the opening 40. And four tapered surfaces 42, 42, 45, 45 formed.

上記２つの面４６，４６は、平面であり、互いに平行に配置されている。これら２つの面４６，４６間の間隔、すなわち圧入穴４の幅方向の寸法、は、圧入片２１の幅方向の寸法よりも小さく形成されている。   The two surfaces 46 and 46 are flat surfaces and are arranged in parallel to each other. The distance between these two surfaces 46, 46, that is, the dimension in the width direction of the press-fitting hole 4 is formed smaller than the dimension in the width direction of the press-fitting piece 21.

上記２つの面４３，４３は、平面であり、互いに平行に配置されている。これら２つの面４３，４３間の間隔、すなわち圧入穴４の厚み方向の寸法、は、圧入片２１の厚み方向の寸法よりも若干大きく形成されている。   The two surfaces 43 and 43 are flat surfaces and are arranged in parallel to each other. The distance between these two surfaces 43, 43, that is, the dimension in the thickness direction of the press-fitting hole 4 is formed to be slightly larger than the dimension in the thickness direction of the press-fitting piece 21.

上記２つの面４４，４４は、平面であり、互いに平行に配置されている。これら２つの面４４，４４間の間隔、すなわち圧入穴４の厚み方向の寸法、は、圧入片２１の厚み方向の寸法よりも小さく形成されている。また、２つの面４３，４３は、２つの面４４，４４よりも開口部４０側に配置されている。   The two surfaces 44, 44 are flat surfaces and are arranged in parallel to each other. The space between these two surfaces 44, 44, that is, the dimension in the thickness direction of the press-fitting hole 4 is formed smaller than the dimension in the thickness direction of the press-fitting piece 21. The two surfaces 43 and 43 are disposed closer to the opening 40 than the two surfaces 44 and 44.

すなわち、圧入穴４は、段部７から開口部４０側に、幅方向の寸法が圧入片２１の幅方向の寸法よりも小さいとともに厚み方向の寸法が圧入片２１の厚み方向の寸法よりも若干大きい部分６が設けられ、段部７から奥側の部分８は、幅方向の寸法が圧入片２１の幅方向の寸法よりも小さく形成されているとともに厚み方向の寸法が圧入片２１の厚み方向の寸法よりも小さく形成されている。   That is, the press-fitting hole 4 has a dimension in the width direction smaller than the dimension in the width direction of the press-fitting piece 21 and a dimension in the thickness direction slightly from the dimension in the thickness direction of the press-fitting piece 21 from the step 7 to the opening 40 side. The large portion 6 is provided, and the portion 8 on the back side from the stepped portion 7 is formed so that the dimension in the width direction is smaller than the dimension in the width direction of the press-fit piece 21 and the dimension in the thickness direction is the thickness direction of the press-fit piece 21. It is formed smaller than the dimension.

上記構成のバスバー組み付け構造１においては、圧入片２１が圧入穴４の２面４６，４６間、及び、２面４４，４４間に圧入されることにより固定部３０に固定される。そして、圧入片２１が固定部３０に固定されることによりバスバー２がハウジング３に組み付けられる。   In the bus bar assembly structure 1 having the above configuration, the press-fitting piece 21 is fixed to the fixing portion 30 by being press-fitted between the two surfaces 46 and 46 of the press-fitting hole 4 and between the two surfaces 44 and 44. The bus bar 2 is assembled to the housing 3 by fixing the press-fitting piece 21 to the fixing portion 30.

続いて、バスバー組み付け構造１の作用効果について説明する。圧入片２１が圧入穴４に圧入される際は、図４〜６に示すように段部７よりも開口部４０側の部分６で圧入片２１の位置出しが行われた後、図７〜９に示すようにさらに幅狭な奥側の部分８に圧入されることになるので、該奥側の部分８に圧入される際の斜め圧入を防止することができる。その結果、バスバー２がハウジング３に組み付けられた状態において、バスバー２のアライメント精度（特に一対の雄型端子部２３先端のアライメント精度）を向上させることができる。また、圧入片２１が段部７よりも奥側の部分８に真っ直ぐ（矢印Ｙ方向）に圧入されることにより、該部分８の樹脂が削られることを防止でき、４つの面４６，４６，４４，４４で圧入片２１を確実に保持することができるので、バスバー保持力の低下を防止することができる。また、バスバー組み付け構造１においては、段部７よりも開口部４０側の部分６において圧入片２１の一次圧入が行われ、段部８よりも奥側の部分８において圧入片２１の二次圧入が行われる二段階圧入構造となっているので、挿入力のピーク値を低く抑えることができる。   Then, the effect of the bus bar assembly structure 1 is demonstrated. When the press-fitting piece 21 is press-fitted into the press-fitting hole 4, as shown in FIGS. 4 to 6, after the press-fitting piece 21 is positioned at the portion 6 on the opening 40 side of the stepped portion 7, As shown in FIG. 9, since it is press-fitted into the narrower portion 8 on the back side, it is possible to prevent oblique press-fitting when press-fitted into the deeper portion 8. As a result, in a state where the bus bar 2 is assembled to the housing 3, the alignment accuracy of the bus bar 2 (particularly, the alignment accuracy of the tips of the pair of male terminal portions 23) can be improved. Further, the press-fitting piece 21 is pressed straight into the portion 8 on the back side of the step portion 7 (in the direction of the arrow Y), so that the resin of the portion 8 can be prevented from being scraped, and the four surfaces 46, 46, Since the press-fitting piece 21 can be reliably held by 44 and 44, a reduction in the bus bar holding force can be prevented. In the bus bar assembly structure 1, the primary press-fitting of the press-fitting piece 21 is performed in the portion 6 on the opening 40 side of the step portion 7, and the secondary press-fitting of the press-fitting piece 21 in the portion 8 on the back side of the step portion 8. Therefore, the peak value of the insertion force can be kept low.

なお、前述した実施形態は本発明の代表的な形態を示したに過ぎず、本発明は、実施形態に限定されるものではない。即ち、本発明の骨子を逸脱しない範囲で種々変形して実施することができる。   In addition, embodiment mentioned above only showed the typical form of this invention, and this invention is not limited to embodiment. That is, various modifications can be made without departing from the scope of the present invention.

１ バスバー組み付け構造
２ バスバー
３ ハウジング
４ 圧入穴
７ 段部（所定位置）
２１ 圧入片
４０ 開口部 1 Busbar assembly structure 2 Busbar 3 Housing 4 Press-fit hole 7 Step (predetermined position)
21 Press-fit piece 40 Opening

Claims (1)

バスバーと、該バスバーが組み付けられるハウジングと、で構成されるバスバー組み付け構造において、
前記バスバーに、長方形板状の圧入片が設けられ、
前記ハウジングに、前記圧入片が圧入される圧入穴が設けられ、
前記圧入穴の所定位置から開口部側に、幅方向の寸法が前記圧入片の幅方向の寸法よりも小さいとともに厚み方向の寸法が前記圧入片の厚み方向の寸法よりも大きい部分が設けられ、
前記圧入穴の所定位置から奥側の部分は、幅方向の寸法が前記圧入片の幅方向の寸法よりも小さく形成されているとともに厚み方向の寸法が前記圧入片の厚み方向の寸法よりも小さく形成されている
ことを特徴とするバスバー組み付け構造。 In a bus bar assembly structure including a bus bar and a housing to which the bus bar is assembled,
The bus bar is provided with a rectangular plate-shaped press-fitting piece,
The housing is provided with a press-fitting hole into which the press-fitting piece is press-fitted,
On the opening side from a predetermined position of the press-fitting hole, a portion in which the dimension in the width direction is smaller than the dimension in the width direction of the press-fitting piece and the dimension in the thickness direction is larger than the dimension in the thickness direction of the press-fitting piece,
The portion on the back side from the predetermined position of the press-fitting hole is formed such that the width-wise dimension is smaller than the width-wise dimension of the press-fitting piece and the thickness-wise dimension is smaller than the thickness-wise dimension of the press-fitting piece. A bus bar assembly structure characterized by being formed.
JP2012006844A 2012-01-17 2012-01-17 Busbar assembly structure Expired - Fee Related JP5806128B2 (en)

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Publication number Priority date Publication date Assignee Title
JP5844183B2 (en) * 2012-03-09 2016-01-13 矢崎総業株式会社 Terminal fixing structure
JP5916543B2 (en) * 2012-07-06 2016-05-11 矢崎総業株式会社 Busbar mounting structure

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JP3693150B2 (en) * 1999-05-10 2005-09-07 矢崎総業株式会社 Terminal positioning structure
JP2005318693A (en) * 2004-04-27 2005-11-10 Auto Network Gijutsu Kenkyusho:Kk Connection structure and method of press-fit terminal and bus bar
JP2009011039A (en) * 2007-06-27 2009-01-15 T An T:Kk Wiring board and bus bar segment used therefor
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