JP7205604B2 - Wiring parts - Google Patents

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JP7205604B2
JP7205604B2 JP2021189085A JP2021189085A JP7205604B2 JP 7205604 B2 JP7205604 B2 JP 7205604B2 JP 2021189085 A JP2021189085 A JP 2021189085A JP 2021189085 A JP2021189085 A JP 2021189085A JP 7205604 B2 JP7205604 B2 JP 7205604B2
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wires
electric wires
holder
mold
intervening
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JP2022031279A (en
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健一 江上
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Proterial Ltd
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Hitachi Metals Ltd
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Description

本発明は、複数の電線を備えた配線部品に関する。 The present invention relates to a wiring component having a plurality of electric wires.

従来、複数の電線を備えた配線部品が、接続対象間を電気的に接続するために用いられている(例えば、特許文献1参照)。 2. Description of the Related Art Conventionally, a wiring component having a plurality of electric wires is used for electrically connecting objects to be connected (see, for example, Patent Document 1).

特許文献1に記載の配線部品は、3本の電線(動力線)を備え、接続対象である三相モータと端子台とを接続する。3本の電線のそれぞれの一端部には端子が圧着され、この端子が端子台に接続される。3本の電線のそれぞれの他端部は、三相モータの溶接部に溶接によって接続される。 The wiring component described in Patent Literature 1 includes three electric wires (power lines) and connects a three-phase motor to be connected to a terminal block. A terminal is crimped to one end of each of the three electric wires, and this terminal is connected to the terminal block. The other end of each of the three electric wires is connected by welding to the welded portion of the three-phase motor.

また、特許文献1には、3本の電線が固定部材によって相互に連結されたものが第2実施形態として記載されている。この固定部材は、3本の電線のそれぞれの一部を挿通させる棒状である。3本の電線は、この固定部材によって一体化されている。 Further, Patent Document 1 describes a second embodiment in which three electric wires are interconnected by a fixing member. This fixing member is rod-shaped through which a part of each of the three electric wires is inserted. The three electric wires are integrated by this fixing member.

特開2011-259654号公報JP 2011-259654 A

配線部品の電流容量や接続対象の構成によっては、対をなす2本の電線を平行に配置した電線対を複数備えて配線部品が構成されることがある。このような複数の電線対を連結部によって一体に連結する場合、この連結部をモールド成形によって形成することが考えられる。 Depending on the current capacity of the wiring component and the configuration of the object to be connected, the wiring component may be configured with a plurality of wire pairs in which two pairs of wires are arranged in parallel. When such a plurality of wire pairs are integrally connected by a connecting portion, it is conceivable to form this connecting portion by molding.

しかし、このような連結部をモールド成形する場合、金型に注入されたモールド樹脂が対をなす2本の電線の間から漏れ出すことを防ぐため、各電線対を一対のスライド型によって挟持し、2本の電線の間の隙間を塞ぐ必要がある。 However, when molding such a connecting portion, each wire pair is held between a pair of slide dies in order to prevent leakage of the mold resin injected into the mold from between the pair of wires. , it is necessary to block the gap between the two wires.

図7は、上記のように連結部をモールド成形する場合のスライド型の構成例を示す説明図である。図7では、第1乃至第3の電線対91~93を、一対のスライド型94,95によって挟持する場合の構成例を示し、(a)は第1乃至第3の電線対91~93が一対のスライド型94,95によって挟持された状態を、(b)は第1乃至第3の電線対91~93が解放された状態を、それぞれ示している。第1の電線対91は2つの電線911,912からなり、第2の電線対92は2つの電線921,922からなり、第3の電線対93は2つの電線931,932からなる。 FIG. 7 is an explanatory diagram showing a configuration example of a slide mold when molding the connection portion as described above. FIG. 7 shows a configuration example in which the first to third wire pairs 91 to 93 are sandwiched by a pair of slide molds 94 and 95, and (a) shows the first to third wire pairs 91 to 93 (b) shows a state in which the pair of slide molds 94 and 95 are sandwiched, and (b) shows a state in which the first to third wire pairs 91 to 93 are released. The first wire pair 91 consists of two wires 911,912, the second wire pair 92 consists of two wires 921,922, and the third wire pair 93 consists of two wires 931,932.

この場合、第1の電線対91と第2の電線対92との間、及び第2の電線対92と第3の電線対93との間には、スライド型94,95が移動できるだけのスペースを確保しなければならず、このことが配線部品の小型化を図る上での妨げとなっていた。 In this case, between the first electric wire pair 91 and the second electric wire pair 92 and between the second electric wire pair 92 and the third electric wire pair 93, there is a space sufficient to allow the slide molds 94 and 95 to move. must be ensured, and this has hindered efforts to reduce the size of wiring components.

そこで、本発明は、複数の電線を一体に連結する連結部をモールド成形により形成しながら、小型化を図ることが可能な配線部品を提供することを目的とする。 SUMMARY OF THE INVENTION Accordingly, it is an object of the present invention to provide a wiring component that can be miniaturized while forming a connecting portion for integrally connecting a plurality of electric wires by molding.

本発明は、上記課題を解決することを目的として、続対象に接続される接続部を両端部に有する複数対の電線からなる導電部と、前記複数対の電線を一体に連結する連結部とを備え、前記連結部は、前記導電部の一部を保持するホルダと、前記ホルダに保持された部分の前記導電部を覆うように成形されたモールド樹脂からなる樹脂モールド部とを有し、前記ホルダは、対をなす電線の間にそれぞれ介在する複数の介在部を有する、配線部品を提供する。 An object of the present invention is to solve the above-described problems by providing a conductive portion composed of a plurality of pairs of electric wires having connection portions at both ends to be connected to objects to be connected, and a connecting portion integrally connecting the plurality of pairs of electric wires. wherein the connecting portion has a holder that holds a portion of the conductive portion, and a resin molded portion made of a mold resin that is molded so as to cover the portion of the conductive portion held by the holder, The holder provides a wiring component having a plurality of intervening portions respectively interposed between the paired electric wires.

また、本発明は、上記課題を解決することを目的として、接続対象に接続される接続部を両端部に有する複数対の電線からなる導電部と、前記複数対の電線を一体に連結する連結部とを備えた配線部品の製造方法であって、前記導電部の一部を保持すると共に対をなす電線の間にそれぞれ介在する複数の介在部を有するホルダを準備する準備工程と、前記ホルダを前記複数の介在部が対をなす電線の間に介在するように金型に配置する配置工程と、前記金型に溶融したモールド樹脂を注入して前記ホルダに保持された部分の前記導電部を覆うように樹脂モールド部を成形して前記連結部を構成する成形工程と、を有する配線部品の製造方法を提供する。 Further, for the purpose of solving the above problems, the present invention provides a conductive portion comprising a plurality of pairs of electric wires having connection portions at both ends thereof to be connected to a connection target, and a connection for integrally connecting the plurality of pairs of electric wires. A method of manufacturing a wiring component comprising: a preparation step of preparing a holder holding a part of the conductive portion and having a plurality of intervening portions interposed between pairs of electric wires; a placement step of arranging the plurality of intervening portions in a mold so that the interposed portions are interposed between pairs of electric wires; and a molding step of forming the connecting portion by molding a resin mold portion so as to cover the wiring component.

本発明に係る配線部品によれば、複数の電線を一体に連結する連結部をモールド成形により形成しながら、小型化を図ることが可能となる。 According to the wiring component according to the present invention, it is possible to reduce the size of the wiring component while forming the connecting portion for integrally connecting a plurality of electric wires by molding.

本発明の実施の形態に係る配線部品を示す斜視図である。1 is a perspective view showing a wiring component according to an embodiment of the invention; FIG. 複数対の電線を示す斜視図である。FIG. 4 is a perspective view showing a plurality of pairs of electric wires; (a)は、連結部及びその周辺部を拡大して示す拡大図である。(b)は、樹脂モールド部を成形する前の電線の一部がホルダに保持された状態を示す状態図である。(c)は、ホルダを示す斜視図である。(a) is an enlarged view showing an enlarged connection part and its peripheral part. (b) is a state diagram showing a state in which a part of the electric wire is held by the holder before molding the resin molded portion. (c) is a perspective view showing a holder. ホルダの三面図である。It is a trihedral view of a holder. (a)は、図4のA-A線断面図である。(b)は、図3(a)のB-B線断面図である。4A is a cross-sectional view taken along the line AA of FIG. 4; FIG. (b) is a cross-sectional view taken along line BB of FIG. 3(a). (a)は、下型に配置されたホルダ及び導電部の一部を示す平面図である。(b)は、上型と下型との間に配置されたホルダ及び導電部の一部を(a)のC-C線断面で示す断面図である。(c)は、上型と下型との間に配置されたホルダ及び導電部の一部を(a)のD-D線断面で示す断面図である。(a) is a plan view showing a part of a holder and a conductive part arranged in a lower mold. (b) is a cross-sectional view showing a part of the holder and the conductive part arranged between the upper mold and the lower mold, taken along line CC of (a). (c) is a cross-sectional view showing a part of the holder and the conductive part arranged between the upper mold and the lower mold, taken along line DD of (a). 連結部をモールド成形する場合のスライド型の構成例を説明する説明図である。FIG. 10 is an explanatory diagram for explaining a configuration example of a slide mold when molding a connecting portion;

(配線部品の構成)
図1は、本発明の実施の形態に係る配線部品を示す斜視図である。この配線部品1は、複数対の電線111,112,121,122,131,132からなる導電部10と、複数対の電線111,112,121,122,131,132を一体に連結する連結部2とを備えている。本実施の形態では、電線111,112,121,122,131,132が、導線の周囲にエナメル被膜が形成された断面円形状のエナメル線である。
(Construction of Wiring Parts)
FIG. 1 is a perspective view showing a wiring component according to an embodiment of the invention. The wiring component 1 includes a conductive portion 10 comprising a plurality of pairs of electric wires 111, 112, 121, 122, 131, 132 and a connecting portion integrally connecting the plurality of pairs of electric wires 111, 112, 121, 122, 131, 132. 2. In the present embodiment, the electric wires 111, 112, 121, 122, 131, and 132 are enameled wires having a circular cross-section in which an enamel coating is formed around the conducting wires.

図2は、それぞれが対をなす電線111,112、電線121,122、及び電線131,132を示す斜視図である。電線111,112は第1電線対11を構成する。電線121,121は第2電線対12を構成する。また、電線131,132は第3電線対13を構成する。 FIG. 2 is a perspective view showing electric wires 111, 112, electric wires 121, 122, and electric wires 131, 132, which are paired with each other. The electric wires 111 and 112 constitute the first electric wire pair 11 . The wires 121 , 121 constitute the second wire pair 12 . Also, the electric wires 131 and 132 constitute the third electric wire pair 13 .

電線111,112,121,122,131,132は、それぞれが接続対象に接続される接続部を両端部に有している。第1電線対11の2本の電線111,112のそれぞれの一端部111a,112aは、例えば三相モータのU相巻線に接続される。第2電線対12の2本の電線121,122のそれぞれの一端部121a,122aは、例えば三相モータのV相巻線に接続される。第3電線対13の2本の電線131,132のそれぞれの一端部131a,132aは、例えば三相モータのW相巻線に接続される。また、第1電線対11の2本の電線111,112のそれぞれの他端部111b,112b、第2電線対12の2本の電線121,122のそれぞれの他端部121b,122b、及び第3電線対13の2本の電線131,132のそれぞれの他端部131b,132bには、例えば端子台に固定される接続端子が圧着される。 Each of the electric wires 111, 112, 121, 122, 131 and 132 has connection portions at both ends thereof to be connected to connection targets. One ends 111a and 112a of the two electric wires 111 and 112 of the first electric wire pair 11 are connected to, for example, U-phase windings of a three-phase motor. One ends 121a and 122a of the two electric wires 121 and 122 of the second electric wire pair 12 are connected to, for example, V-phase windings of a three-phase motor. One ends 131a and 132a of the two electric wires 131 and 132 of the third electric wire pair 13 are connected to, for example, W-phase windings of a three-phase motor. Further, the other end portions 111b and 112b of the two electric wires 111 and 112 of the first electric wire pair 11, the other end portions 121b and 122b of the two electric wires 121 and 122 of the second electric wire pair 12, and the second To the other ends 131b and 132b of the two electric wires 131 and 132 of the three-wire pair 13 are crimped connection terminals fixed to a terminal block, for example.

電線111,112,121,122,131,132は、連結部2を挿通している。本実施の形態では、連結部2を挿通する部分の電線111,112,121,122,131,132が互いに平行である。連結部2は、図1に示すように略直方体状であり、連結部2を挿通する部分の電線111,112,121,122,131,132の軸方向から見た形状が長方形状である。 The electric wires 111 , 112 , 121 , 122 , 131 , 132 are inserted through the connecting part 2 . In the present embodiment, the electric wires 111, 112, 121, 122, 131, 132 of the portions through which the connecting portion 2 is inserted are parallel to each other. The connecting portion 2 has a substantially rectangular parallelepiped shape as shown in FIG. 1, and the shape of the electric wires 111, 112, 121, 122, 131, 132 in the portions through which the connecting portion 2 is inserted is rectangular when viewed from the axial direction.

この長方形状の長辺方向をX方向とし、短辺方向をY方向とすると、第1電線対11の2本の電線111,112、第2電線対12の2本の電線121,122、及び第3電線対13の2本の電線131,132は、それぞれY方向に並んでいる。第1電線対11の一方の電線111の一部、第2電線対12の一方の電線121の一部、及び第3電線対13の一方の電線131の一部は、X方向に並んでいる。また、第1電線対11の他方の電線112の一部、第2電線対12の他方の電線122の一部、及び第3電線対13の他方の電線132の一部も、X方向に並んでいる。すなわち、第1電線対11の一部、第2電線対12の一部、及び第3電線対13の一部は、2本の電線(電線111及び電線112、電線121及び122、及び電線131及び電線132)の並び方向に交差する方向(本実施の形態においては、直交する方向)に並んでいる。この場合、電線111,112,121,122,131,132の軸方向は、X方向及びY方向に直交するZ方向となる。本実施の形態では、連結部2は、第1電線対11の一部、第2電線対12の一部、及び第3電線対13の一部を連結している。 Assuming that the long side direction of this rectangular shape is the X direction and the short side direction is the Y direction, two electric wires 111 and 112 of the first electric wire pair 11, two electric wires 121 and 122 of the second electric wire pair 12, and The two electric wires 131 and 132 of the third electric wire pair 13 are arranged in the Y direction. A part of one electric wire 111 of the first electric wire pair 11, a part of one electric wire 121 of the second electric wire pair 12, and a part of one electric wire 131 of the third electric wire pair 13 are arranged in the X direction. . A portion of the other electric wire 112 of the first electric wire pair 11, a portion of the other electric wire 122 of the second electric wire pair 12, and a portion of the other electric wire 132 of the third electric wire pair 13 are also arranged in the X direction. I'm in. That is, part of the first wire pair 11, part of the second wire pair 12, and part of the third wire pair 13 are two wires (wires 111 and 112, wires 121 and 122, and wire 131). and electric wires 132) are arranged in a direction intersecting (in the present embodiment, a direction orthogonal to) the arrangement direction. In this case, the axial direction of the electric wires 111, 112, 121, 122, 131, 132 is the Z direction orthogonal to the X direction and the Y direction. In the present embodiment, the connecting portion 2 connects a portion of the first wire pair 11, a portion of the second wire pair 12, and a portion of the third wire pair 13. As shown in FIG.

図3(a)は、連結部2及びその周辺部を拡大して示す拡大図である。連結部2は、導電部10の一部を保持するホルダ3と、ホルダ3に保持された部分の導電部10を覆うように成形されたモールド樹脂からなる樹脂モールド部4とを有している。図3(b)は、樹脂モールド部4を成形する前の、電線111,112,121,122,131,132の一部がホルダ3に保持された状態を示す状態図である。図3(c)は、ホルダ3を示す斜視図である。図4は、ホルダ3の三面図である。図5(a)は、図4のA-A線断面図であり、図5(b)は、図3(a)のB-B線断面図である。図4では、樹脂モールド部4が形成される部分の輪郭を仮想線(二点鎖線)で示している。 FIG. 3(a) is an enlarged view showing the connecting portion 2 and its peripheral portion. The connecting portion 2 has a holder 3 that holds a portion of the conductive portion 10, and a resin mold portion 4 that is made of mold resin and is molded so as to cover the portion of the conductive portion 10 held by the holder 3. . FIG. 3(b) is a state diagram showing a state in which part of the wires 111, 112, 121, 122, 131, and 132 are held by the holder 3 before the resin mold portion 4 is molded. FIG. 3(c) is a perspective view showing the holder 3. FIG. 4A and 4B are trihedral views of the holder 3. FIG. 5(a) is a cross-sectional view along line AA of FIG. 4, and FIG. 5(b) is a cross-sectional view along line BB of FIG. 3(a). In FIG. 4, the outline of the portion where the resin mold portion 4 is formed is indicated by a virtual line (chain double-dashed line).

ホルダ3は、例えば射出成型によって形成された樹脂からなる樹脂部材である。ホルダ3は、Z方向に並ぶ一対の板部31,32と、これら一対の板部31,32の間に設けられた複数(本実施の形態では3つ)の介在部33~35とを一体に有している。複数の介在部33~35は、Z方向に延びる棒状である。一対の板部31,32は、樹脂モールド部4に覆われる部分の電線111,112,121,122,131,132の軸方向に沿って複数の介在部33~35を挟む位置に設けられている。また、一対の板部31,32はそれぞれ、電線111,112,121,122,131,132の軸方向と交差する方向(X方向)に沿って形成された1枚の板状体からなる。 The holder 3 is a resin member made of resin formed by injection molding, for example. The holder 3 integrally includes a pair of plate portions 31 and 32 arranged in the Z direction and a plurality of (three in the present embodiment) intervening portions 33 to 35 provided between the pair of plate portions 31 and 32. have in The plurality of intervening portions 33 to 35 are bar-shaped extending in the Z direction. The pair of plate portions 31, 32 are provided at positions sandwiching a plurality of intervening portions 33 to 35 along the axial direction of the electric wires 111, 112, 121, 122, 131, 132 of the portion covered with the resin mold portion 4. there is Each of the pair of plate portions 31 and 32 consists of one plate-like body formed along a direction (X direction) intersecting with the axial direction of the electric wires 111, 112, 121, 122, 131 and 132. As shown in FIG.

以下の説明では、一対の板部31,32のうち、電線111,112,121,122,131,132の一端部111a,112a,121a,122a,131a,132a側の板部31を第1板部31とし、他端部111b,112b,121b,122b,131b,132b側の板部32を第2板部32とする。また、複数の介在部33~35のうち、第1電線対11に対応する介在部33を第1介在部33とし、第2電線対12に対応する介在部34を第2介在部34とし、第3電線対13に対応する介在部35を第3介在部35とする。 In the following description, among the pair of plate portions 31 and 32, the plate portion 31 on the one end portion 111a, 112a, 121a, 122a, 131a, and 132a side of the electric wires 111, 112, 121, 122, 131, and 132 is referred to as the first plate. The plate portion 32 on the side of the other end portions 111b, 112b, 121b, 122b, 131b, and 132b is referred to as a second plate portion 32. Further, among the plurality of intervening portions 33 to 35, the intervening portion 33 corresponding to the first wire pair 11 is the first intervening portion 33, the intervening portion 34 corresponding to the second wire pair 12 is the second intervening portion 34, The interposed portion 35 corresponding to the third wire pair 13 is referred to as a third interposed portion 35 .

第1介在部33は、第1電線対11の2本の電線111,112の間に介在している。第2介在部34は、第2電線対12の2本の電線121,122の間に介在している。第3介在部35は、第3電線対13の2本の電線131,132の間に介在している。第1乃至第3介在部33~35は、その長手方向(Z方向)の全体が樹脂モールド部4に覆われる。つまり、第1乃至第3介在部33~35は、連結部2における樹脂モールド部4に覆われる部分の全体にわたって設けられている。第1板部31及び第2板部32は、樹脂モールド部4の外部に位置する。 The first intervening portion 33 is interposed between the two electric wires 111 and 112 of the first electric wire pair 11 . The second intervening portion 34 is interposed between the two wires 121 and 122 of the second wire pair 12 . The third interposed portion 35 is interposed between the two electric wires 131 and 132 of the third electric wire pair 13 . The first to third intermediate portions 33 to 35 are entirely covered with the resin mold portion 4 in the longitudinal direction (Z direction). That is, the first to third interposed portions 33 to 35 are provided over the entire portion of the connecting portion 2 covered with the resin molded portion 4 . The first plate portion 31 and the second plate portion 32 are positioned outside the resin mold portion 4 .

第1介在部33の電線111,112との対向面33a,33b、第2介在部34の電線121,122との対向面34a,34b、及び第3介在部35の電線131,132との対向面35a,35bは、それぞれ電線111,112,121,122,131,132の外径に対応する曲率を有する曲面である。換言すれば、第1乃至第3介在部33~35には、電線111,112,121,122,131,132の一部を収容する断面円弧状の底面(対向面33a,33b,34a,34b,35a,35b)を有する溝がZ方向に沿って形成されている。 Faces 33a and 33b of the first intervening portion 33 facing the electric wires 111 and 112, faces 34a and 34b of the second intervening portion 34 facing the electric wires 121 and 122, and facing the electric wires 131 and 132 of the third intervening portion 35 The surfaces 35a, 35b are curved surfaces having curvatures corresponding to the outer diameters of the electric wires 111, 112, 121, 122, 131, 132, respectively. In other words, the first to third intermediate portions 33 to 35 have arcuate bottom surfaces (facing surfaces 33a, 33b, 34a, 34b , 35a, 35b) are formed along the Z direction.

電線111,112,121,122,131,132の外径を2Rとし、第1乃至第3介在部33~35の対向面33a,33b,34a,34b,35a,35bの曲率半径をrとすると、これらの比r/Rは、0.9≦r/R≦1.1を満たすことが望ましい。 If the outer diameter of the electric wires 111, 112, 121, 122, 131, and 132 is 2R, and the radius of curvature of the facing surfaces 33a, 33b, 34a, 34b, 35a, and 35b of the first to third intervening portions 33 to 35 is r, , their ratio r/R preferably satisfies 0.9≦r/R≦1.1.

また、ホルダ3には、第1乃至第3介在部33~35の間に、対をなす電線(電線111と電線112、電線121と電線122、及び電線131と電線133)の並び方向(Y方向)の貫通孔301,302が形成されている。貫通孔301は、第1介在部33と第2介在部34との間に形成され、貫通孔302は、第2介在部34と第3介在部35との間に形成されている。本実施の形態では、貫通孔301,302が、第1板部31と第2板部32との間にわたって形成された長孔であるが、これに限らず、第1介在部33と第2介在部34との間、及び第2介在部34と第3介在部35との間に、1つ又は複数の丸孔を貫通孔として形成してもよい。 In addition, the holder 3 is provided between the first to third intervening portions 33 to 35 in the direction (Y direction) through holes 301 and 302 are formed. The through hole 301 is formed between the first interposed portion 33 and the second interposed portion 34 , and the through hole 302 is formed between the second interposed portion 34 and the third interposed portion 35 . In the present embodiment, the through holes 301 and 302 are long holes formed between the first plate portion 31 and the second plate portion 32. However, the invention is not limited to this. One or more round holes may be formed as through holes between the intermediate portion 34 and between the second intermediate portion 34 and the third intermediate portion 35 .

貫通孔301,302には、樹脂モールド部4のモールド樹脂が充填されている。これにより、樹脂モールド部4におけるY方向一側の部分(図5(b)に符号41で示す電線111,121,131の周辺部)と、樹脂モールド部4におけるY方向他側の部分(図5(b)に符号42で示す電線112,122,132の周辺部)とが、貫通孔301,302に充填された部分43,44によって繋がっている。また、本実施の形態では、第1介在部33の第2介在部34とは反対側の部分45、及び第3介在部35の第2介在部34とは反対側の部分46によっても、樹脂モールド部4におけるY方向一側の部分41とY方向他側の部分42とが繋がっている。 The through holes 301 and 302 are filled with the mold resin of the resin mold portion 4 . As a result, the portion of the resin mold portion 4 on one side in the Y direction (the peripheral portion of the electric wires 111, 121, and 131 indicated by reference numeral 41 in FIG. 5B) and the portion on the other side in the Y direction of the resin mold portion 4 (the 5(b) of the wires 112, 122, and 132 indicated by reference numeral 42) are connected by the portions 43 and 44 filled in the through holes 301 and 302, respectively. Further, in the present embodiment, the portion 45 of the first intervening portion 33 opposite to the second intervening portion 34 and the portion 46 of the third intervening portion 35 opposite to the second intervening portion 34 also A portion 41 on one side in the Y direction and a portion 42 on the other side in the Y direction in the mold portion 4 are connected.

ホルダ3の第1板部31には、樹脂モールド部4を成形する際にZ方向の一端部で電線111,112,121,122,131,132を保持する6つの凹部310が形成されている。また、ホルダ3の第2板部32には、樹脂モールド部4を成形する際にZ方向の他端部で電線111,112,121,122,131,132を保持する6つの凹部320が形成されている。 The first plate portion 31 of the holder 3 is formed with six concave portions 310 for holding the electric wires 111, 112, 121, 122, 131, 132 at one end portion in the Z direction when molding the resin mold portion 4. . Also, in the second plate portion 32 of the holder 3, six concave portions 320 are formed to hold the electric wires 111, 112, 121, 122, 131, 132 at the other end portion in the Z direction when molding the resin mold portion 4. It is

(配線部品の製造方法)
配線部品1の製造方法は、ホルダ3を準備する準備工程と、ホルダ3を第1乃至第3介在部33~35が対をなす電線(電線111と電線112、電線121と電線122、及び電線131と電線133)の間に介在するように金型(後述する金型5)に配置する配置工程と、この金型に溶融したモールド樹脂を注入してホルダ3に保持された部分の導電部10を覆うように樹脂モールド部4を成形して連結部2を構成する成形工程とを有する。
(Method for manufacturing wiring component)
The method of manufacturing the wiring component 1 includes a preparation step of preparing the holder 3, and a pair of electric wires (the electric wires 111 and 112, the electric wires 121 and 122, and the electric wires 131 and the electric wire 133), and the conductive portion of the portion held by the holder 3 by injecting molten molding resin into the mold (a mold 5 described later). and a forming step of forming the resin mold portion 4 so as to cover the connecting portion 2 to form the connecting portion 2 .

準備工程では、ホルダ3を準備する。ここで、準備するとは、配線部品1の製造に用いられるホルダ3を確保することをいい、例えば射出成型によってホルダ3を製造したり、あるいは購入する等、ホルダ3を確保するための種々の行為が含まれる。 In the preparation step, the holder 3 is prepared. Here, to prepare means to secure the holder 3 used for manufacturing the wiring component 1, and various actions for securing the holder 3, such as manufacturing the holder 3 by injection molding or purchasing it. is included.

図6(a)は、上型51及び下型52からなる金型5のうち、下型52に配置されたホルダ3及び導電部10(電線111,112,121,122,131,132)の一部を上型51の図示を省略して示す平面図である。図6(b)は、上型51と下型52との間に配置されたホルダ3及び導電部10の一部を図6(a)のC-C線断面で示す断面図である。図6(c)は、上型51と下型52との間に配置されたホルダ3及び導電部10の一部を図6(a)のD-D線断面で示す断面図である。なお、図6(a)のE-E線断面は図6(c)に示すD-D線断面と同様であり、図6(a)のF-F線断面は図6(b)に示すC-C線断面と同様である。 FIG. 6A shows the holder 3 and the conductive part 10 (electric wires 111, 112, 121, 122, 131, 132) arranged in the lower mold 52 of the mold 5 consisting of the upper mold 51 and the lower mold 52. FIG. 5 is a plan view showing a portion of the upper die 51 with illustration omitted. FIG. 6(b) is a cross-sectional view showing part of the holder 3 and the conductive part 10 arranged between the upper mold 51 and the lower mold 52, taken along line CC of FIG. 6(a). FIG. 6(c) is a cross-sectional view showing part of the holder 3 and the conductive part 10 arranged between the upper mold 51 and the lower mold 52, taken along line DD of FIG. 6(a). The EE line cross section of FIG. 6(a) is the same as the DD line cross section shown in FIG. 6(c), and the FF line cross section of FIG. 6(a) is shown in FIG. 6(b). It is the same as the CC line cross section.

配置工程では、電線111,112がホルダ3の第1介在部33の対向面33a,33bに、電線121,122がホルダ3の第2介在部34の対向面34a,34bに、また電線131,132がホルダ3の第3介在部35の対向面35a,35bに、それぞれ向かい合うように電線111,112,121,122,131,132及びホルダ3を配置する。その際の具体的な手順は特に限定されないが、例えば下型52の凹溝52a,52b,52cに電線112,122,132の一部が収容されるようにして下型52上に電線112,122,132を配置し、その上にホルダ3を配置し、さらにホルダ3の上に電線111,121,131を配置することによって行うことができる。 In the arranging step, the wires 111 and 112 are placed on the facing surfaces 33a and 33b of the first interposed portion 33 of the holder 3, the wires 121 and 122 are placed on the opposed surfaces 34a and 34b of the second interposed portion 34 of the holder 3, and the wires 131 and The wires 111 , 112 , 121 , 122 , 131 , 132 and the holder 3 are arranged such that the wires 111 , 112 , 121 , 122 , 131 , 132 and the holder 3 face the facing surfaces 35 a , 35 b of the third intermediate portion 35 of the holder 3 . Although the specific procedure at that time is not particularly limited, for example, the electric wires 112, 112, 132 are placed on the lower mold 52 so that parts of the electric wires 112, 122, 132 are accommodated in the concave grooves 52a, 52b, 52c of the lower mold 52. 122 and 132, the holder 3 is placed thereon, and the wires 111, 121 and 131 are placed on the holder 3.

上型51には、電線111,121,131の一部が収容される凹溝51a,51b,51cが形成され、上型51が下型52に突き合わされると、上型51の凹溝51a,51b,51cと下型52の凹溝52a,52b,52cが、第1乃至第3電線対11~13及びホルダ3を挟んでそれぞれ向かい合う。 The upper mold 51 is formed with grooves 51a, 51b, 51c in which parts of the electric wires 111, 121, 131 are accommodated. , 51b, 51c and the grooves 52a, 52b, 52c of the lower die 52 face each other with the first to third wire pairs 11 to 13 and the holder 3 interposed therebetween.

下型52は、本体520と、電線112,122,132をホルダ3の第1乃至第3介在部33~35にそれぞれ押し付けるピン521,522,523とを有している。上型51は、本体510と、電線111,121,131をホルダ3の第1乃至第3介在部33~35にそれぞれ押し付けるピン511,512,513とを有している。下型52の本体520と上型51の本体510との間には、成形工程において溶融したモールド樹脂が注入されるキャビティ50が形成される。 The lower mold 52 has a main body 520 and pins 521, 522, 523 for pressing the wires 112, 122, 132 against the first to third interposed portions 33 to 35 of the holder 3, respectively. The upper die 51 has a main body 510 and pins 511, 512, 513 for pressing the wires 111, 121, 131 against the first to third interposed portions 33 to 35 of the holder 3, respectively. Between the main body 520 of the lower mold 52 and the main body 510 of the upper mold 51, a cavity 50 is formed into which molding resin melted in the molding process is injected.

なお、下型52のピン521~523、及び上型51のピン511~513を省略してもよい。また、これらのピン521~523及びピン511~513を可動式とし、配置工程の完了後、成形工程の前もしくは成形工程の実行中に、ピン521~523が下型52の本体520に、またピン511~513が上型51の本体510に、それぞれ収容されるように構成してもよい。 The pins 521 to 523 of the lower mold 52 and the pins 511 to 513 of the upper mold 51 may be omitted. In addition, these pins 521 to 523 and pins 511 to 513 are movable, and after completion of the arrangement process, before or during the molding process, the pins 521 to 523 are attached to the main body 520 of the lower mold 52, and The pins 511 to 513 may be configured to be accommodated in the main body 510 of the upper die 51, respectively.

成形工程では、下型52の本体部520に設けられた注入孔520aから金型5のキャビティ50内に加熱によって溶融したモールド樹脂を注入する。この際、ホルダ3の貫通孔301,302にモールド樹脂が充填される。このモールド樹脂は、キャビティ50内の導電部10を覆い、固化して樹脂モールド部4となる。これにより、連結部2が形成される。ホルダ3の第1及び第2の板部31,32は、キャビティ50に注入されたモールド樹脂が漏れ出すことを防ぐ側壁として機能する。 In the molding process, a molding resin melted by heating is injected into the cavity 50 of the mold 5 from the injection hole 520 a provided in the main body portion 520 of the lower mold 52 . At this time, the through holes 301 and 302 of the holder 3 are filled with mold resin. This mold resin covers the conductive portion 10 in the cavity 50 and solidifies to become the resin mold portion 4 . Thereby, the connection part 2 is formed. The first and second plate portions 31 and 32 of the holder 3 function as side walls that prevent the mold resin injected into the cavity 50 from leaking.

その後、下型52から上型51を外し、下型52から形成された連結部2を導電部10と共に取り出すことで、配線部品1が得られる。 After that, the wiring component 1 is obtained by removing the upper mold 51 from the lower mold 52 and taking out the connecting part 2 formed from the lower mold 52 together with the conductive part 10 .

(実施の形態の作用及び効果)
以上説明した実施の形態によれば、以下のような作用及び効果が得られる。
(Actions and effects of the embodiment)
According to the embodiment described above, the following actions and effects are obtained.

(1)図7を参照して説明したように複数の電線対の間にスライド型の移動スペースをあける必要がないので、第1乃至第3電線対11~13を一体に連結する連結部2をモールド成形により形成しながら、第1乃至第3電線対11~13の間隔を狭くして小型化を図ることが可能となる。 (1) As described with reference to FIG. 7, since it is not necessary to provide a slide-type movement space between a plurality of wire pairs, the connecting portion 2 that integrally connects the first to third wire pairs 11 to 13 are formed by molding, the space between the first to third wire pairs 11 to 13 can be narrowed to achieve miniaturization.

(2)ホルダ3の第1乃至第3介在部33~35は、樹脂モールド部4に覆われる部分の全体にわたって設けられているので、ホルダ3による第1電線対11における電線111,112の間、第2電線対12における電線121,122の間、及び第3電線対13における電線131,132の間にモールド樹脂が充填されない空間が形成されることを抑制することができる。 (2) Since the first to third intervening portions 33 to 35 of the holder 3 are provided over the entire portion covered with the resin mold portion 4, the holder 3 is provided between the wires 111 and 112 in the first wire pair 11. , between the electric wires 121 and 122 of the second electric wire pair 12 and between the electric wires 131 and 132 of the third electric wire pair 13, it is possible to suppress the formation of a space not filled with the mold resin.

(3)ホルダ3の第1介在部33における電線111,112との対向面33a,33b、第2介在部34における電線121,122との対向面34a,34b、及び第3介在部35における電線131,132との対向面35a,35bは、それぞれ電線111,112,121,122,131,132の外径に対応する曲率を有する曲面であるので、モールド樹脂が充填されない空間の発生をより確実に抑制できると共に、成形工程における電線111,112,121,122,131,132のホルダ3に対する位置ずれが抑えられる。 (3) Faces 33a and 33b facing the wires 111 and 112 in the first interposed portion 33 of the holder 3, faces 34a and 34b facing the wires 121 and 122 in the second interposed portion 34, and wires in the third interposed portion 35 Since the surfaces 35a and 35b facing the wires 131 and 132 are curved surfaces having curvatures corresponding to the outer diameters of the electric wires 111, 112, 121, 122, 131 and 132, respectively, a space not filled with the mold resin is generated more reliably. In addition, displacement of the electric wires 111, 112, 121, 122, 131, 132 with respect to the holder 3 in the forming process is suppressed.

(4)ホルダ3に形成された貫通孔301,302に樹脂モールド部4のモールド樹脂が充填されるので、樹脂モールド部4がホルダ3から分離してしまうことが抑制され、連結部2の強度が向上する。 (4) Since the through holes 301 and 302 formed in the holder 3 are filled with the molding resin of the resin mold portion 4, separation of the resin mold portion 4 from the holder 3 is suppressed, and the strength of the connecting portion 2 is increased. improves.

(実施の形態のまとめ)
次に、以上説明した実施の形態から把握される技術思想について、実施の形態における符号等を援用して記載する。ただし、以下の記載における各符号は、特許請求の範囲における構成要素を実施の形態に具体的に示した部材等に限定するものではない。
(Summary of embodiment)
Next, technical ideas understood from the embodiments described above will be described with reference to the reference numerals and the like in the embodiments. However, each reference numeral in the following description does not limit the constituent elements in the claims to the members and the like specifically shown in the embodiment.

[1]対をなす電線(111,112、121,122、131,132)からなる電線対(11,12,13)を複数有してなる導電部(10)と、前記複数の電線対(11,12,13)を一体に連結する連結部(2)とを備え、前記連結部(2)は、前記導電部(10)の一部を保持するホルダ(3)と、前記ホルダ(3)に保持された部分の前記導電部(10)を覆うように成形されたモールド樹脂からなる樹脂モールド部(4)とを有し、前記ホルダ(3)は、対をなす電線(111,112、121,122、131,132)の間にそれぞれ介在する複数の介在部(33~35)を有する、配線部品(1)。 [1] A conductive portion (10) having a plurality of wire pairs (11, 12, 13) consisting of pairs of wires (111, 112, 121, 122, 131, 132), and the plurality of wire pairs ( 11, 12, 13) are provided, and the connecting portion (2) includes a holder (3) that holds a part of the conductive portion (10), and a holder (3) that holds a part of the conductive portion (10). ), and the holder (3) has a resin mold part (4) made of mold resin molded so as to cover the conductive part (10) of the part held by the holder (3). , 121, 122, 131, 132).

[2]前記複数の介在部(33~35)は、前記樹脂モールド部(4)に覆われる部分の全体にわたって設けられている、前記[1]に記載の配線部品(1)。 [2] The wiring component (1) according to [1], wherein the plurality of intervening portions (33 to 35) are provided over the entire portion covered with the resin mold portion (4).

[3]前記ホルダ(3)は、前記樹脂モールド部(4)に覆われる部分の前記電線(111,112,121,122,131,132)の軸方向に沿って前記複数の介在部(33~35)を挟む一対の板部(31,31)を有する、前記[2]に記載の配線部品(1)。 [3] The holder (3) extends along the axial direction of the electric wires (111, 112, 121, 122, 131, 132) of the portion covered with the resin mold portion (4). The wiring component (1) according to the above [2], having a pair of plate portions (31, 31) sandwiching 1 to 35).

[4]前記介在部(33~35)における前記電線(111,112,121,122,131,132)との対向面(33a,33b,34a,34b,35a,35b)は、前記電線(111,112,121,122,131,132)の外径に対応する曲率を有する曲面である、前記[1]乃至[3]の何れか1つに記載の配線部品(1)。 [4] The surfaces (33a, 33b, 34a, 34b, 35a, 35b) of the intervening portions (33 to 35) facing the wires (111, 112, 121, 122, 131, 132) are , 112, 121, 122, 131, 132), the wiring component (1) according to any one of the above [1] to [3].

[5]前記ホルダ(3)には、対をなす電線(111,112、121,122、131,132)の並び方向の貫通孔(301,302)が前記複数の介在部(33~35)の間に形成されており、前記樹脂モールド部(4)のモールド樹脂が前記貫通孔(301,302)に充填されている、前記[1]乃至[4]の何れか1つに記載の配線部品(1)。 [5] The holder (3) has through holes (301, 302) in the direction in which the pair of electric wires (111, 112, 121, 122, 131, 132) are arranged, and the plurality of interposition portions (33 to 35). The wiring according to any one of the above [1] to [4], wherein the through holes (301, 302) are filled with the mold resin of the resin mold portion (4). Part (1).

[6]対をなす電線(111,112、121,122、131,132)からなる電線対(11,12,13)を複数有してなる導電部(10)と、前記複数の電線対(11,12,13)を一体に連結する連結部(2)とを備えた配線部品(1)の製造方法であって、前記導電部(10)の一部を保持すると共に対をなす電線(111,112、121,122、131,132)の間にそれぞれ介在する複数の介在部(10)を有するホルダ(3)を準備する準備工程と、前記ホルダ(3)を前記複数の介在部(33~35)が対をなす電線(111,112、121,122、131,132)の間に介在するように金型(5)に配置する配置工程と、前記金型(5)に溶融したモールド樹脂を注入して前記ホルダ(3)に保持された部分の前記導電部(10)を覆うように樹脂モールド部(4)を成形して前記連結部(2)を構成する成形工程と、を有する配線部品(1)の製造方法。 [6] A conductive part (10) having a plurality of wire pairs (11, 12, 13) consisting of pairs of wires (111, 112, 121, 122, 131, 132), and the plurality of wire pairs ( 11, 12, 13) and a connection part (2) for integrally connecting the wires ( 111, 112, 121, 122, 131, 132), a preparation step of preparing a holder (3) having a plurality of intervening portions (10) respectively; 33 to 35) are arranged in a mold (5) so as to be interposed between the pair of electric wires (111, 112, 121, 122, 131, 132); a molding step of injecting a molding resin to form a resin mold portion (4) so as to cover the portion of the conductive portion (10) held by the holder (3) to configure the connection portion (2); A method for manufacturing a wiring component (1) having

[7]前記ホルダ(3)には、対をなす電線(111,112、121,122、131,132)の並び方向の貫通孔(301,302)が複数の前記介在部(33~35)の間に形成され、前記成形工程では、前記モールド樹脂を前記貫通孔(301,302)に充填する、前記[6]に記載の配線部品(1)の製造方法。 [7] The holder (3) has through holes (301, 302) in the direction in which the pair of electric wires (111, 112, 121, 122, 131, 132) are arranged. The method for manufacturing a wiring component (1) according to [6], wherein in the molding step, the through holes (301, 302) are filled with the mold resin.

以上、本発明の実施の形態を説明したが、上記に記載した実施の形態は特許請求の範囲に係る発明を限定するものではない。また、実施の形態の中で説明した特徴の組合せの全てが発明の課題を解決するための手段に必須であるとは限らない点に留意すべきである。 Although the embodiments of the present invention have been described above, the embodiments described above do not limit the invention according to the scope of claims. Also, it should be noted that not all combinations of features described in the embodiments are essential to the means for solving the problems of the invention.

また、本発明は、その趣旨を逸脱しない範囲で適宜変形して実施することが可能である。例えば、上記実施の形態では、電線111,112,121,122,131,132がエナメル線からなる場合について説明したが、これに限らず、電線111,112,121,122,131,132を、銅等の良導電性の金属からなる導線が絶縁体によって被覆された絶縁電線によって構成してもよい。この場合、各電線111,112,121,122,131,132の両端部では、絶縁体が除去されて導線が露出する。 Moreover, the present invention can be modified appropriately without departing from the gist thereof. For example, in the above embodiment, the electric wires 111, 112, 121, 122, 131, and 132 are made of enameled wires. An insulated wire in which a conductive wire made of a highly conductive metal such as copper is coated with an insulator may be used. In this case, the insulators are removed from both ends of the wires 111, 112, 121, 122, 131, and 132 to expose the wires.

1…配線部品
10…導電部
11,12,13…第1乃至第3電線対
111,112,121,122,131,132…電線
111a,112a,121a,122a,131a,132a…一端部(接続部)
111b,112b,121b,122b,131b,132b…他端部(接続部)
2…連結部
3…ホルダ
33~35…介在部
33a,33b,34a,34b,35a,35b…対向面
301,302…貫通孔
4…樹脂モールド部
5…金型
DESCRIPTION OF SYMBOLS 1... Wiring component 10... Conductive part 11, 12, 13... 1st thru|or 3rd electric wire pair 111, 112, 121, 122, 131, 132... Electric wire 111a, 112a, 121a, 122a, 131a, 132a... One end part (connection part)
111b, 112b, 121b, 122b, 131b, 132b... the other end (connecting portion)
2 Connecting portion 3 Holders 33 to 35 Interposed portions 33a, 33b, 34a, 34b, 35a, 35b Opposing surfaces 301, 302 Through hole 4 Resin mold portion 5 Mold

Claims (5)

複数の電線と、
前記複数の電線を一体に連結する連結部と、
を備え、
前記連結部は、
前記複数の電線を保持するホルダと、
前記ホルダに保持された部分の前記複数の電線を覆うように成形されたモールド樹脂からなる樹脂モールド部と、
を有し、
前記ホルダは、前記複数の電線のうち2本の電線の間に介在する第1介在部と、前記複数の電線のうち前記第1介在部における前記2本の電線とは別の2本の電線の間に介在し前記第1介在部と離間して設けられている第2介在部と、を有し、
前記第1介在部と前記第2介在部とが連結されている、
配線部品。
a plurality of wires;
a connecting portion that connects the plurality of electric wires together;
with
The connection part is
a holder that holds the plurality of electric wires;
a resin mold portion made of mold resin molded so as to cover the plurality of electric wires in the portion held by the holder;
has
The holder includes a first intervening portion interposed between two wires among the plurality of wires, and two wires other than the two wires in the first intervening portion among the plurality of wires. a second intervening portion interposed between and spaced apart from the first intervening portion;
The first intervening portion and the second intervening portion are connected,
wiring parts.
前記ホルダは、前記第1介在部及び前記第2介在部の端部に設けられている板部を有し、
前記板部は、前記樹脂モールド部から露出している、
請求項1に記載の配線部品。
The holder has plate portions provided at ends of the first intervening portion and the second intervening portion,
The plate portion is exposed from the resin mold portion,
The wiring component according to claim 1.
前記第1介在部の前記2本の電線との対向面が曲面であるとともに、前記第2介在部の前記2本の電線との対向面が曲面であり、
前記板部は、前記曲面と連なって形成されている凹部を有し前記第1介在部及び前記第2介在部よりも幅が広い、
請求項2に記載の配線部品。
A surface of the first intervening portion facing the two electric wires is a curved surface, and a surface of the second intervening portion facing the two electric wires is a curved surface,
the plate portion has a concave portion formed continuously with the curved surface and is wider than the first intervening portion and the second intervening portion;
The wiring component according to claim 2.
前記複数の電線は、導線の周囲にエナメル被覆が形成された断面円形状のエナメル線である、
請求項1乃至3の何れかに記載の配線部品。
The plurality of electric wires are enameled wires having a circular cross-section in which an enamel coating is formed around the conductors,
The wiring component according to any one of claims 1 to 3.
前記2本の電線のそれぞれの一端部には、モータ用の巻線に接続される巻線接続部が形成されており、
前記2本の電線のそれぞれの他端部には、接続端子が圧着されている、
請求項1乃至4の何れかに記載の配線部品。
A winding connecting portion connected to a winding for a motor is formed at one end of each of the two electric wires,
A connection terminal is crimped to the other end of each of the two electric wires,
The wiring component according to any one of claims 1 to 4.
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Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100139949A1 (en) 2008-12-09 2010-06-10 Alfredo Haros Hernandez Splice wire holder

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100139949A1 (en) 2008-12-09 2010-06-10 Alfredo Haros Hernandez Splice wire holder

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