Harness holding structure and base member

Abstract

To provide a harness holding structure and a base member capable of securing stable conductivity between a terminal of a harness with a terminal connected to a base body separately and a wire harness.SOLUTION: The harness holding structure 2 includes the terminal-equipped harness 20 in which the round terminals 50 are connected to the distal end of the wire harness 40a, and the base member 30 that holds the wire harness 40a of the terminal-equipped harness 20, and the base member 30 includes the base main body 811, the conduction bolts 76 that connect the round terminals 50, the third bus bar 73 that is disposed away from the base main body 811, and the first harness holding portion 84 that holds the wire harness 40a routed away from the base main body 811 on the upper side ZU. The third bus bar 73 and the first harness holding portion 84 are disposed at positions corresponding to each other on the upper side ZU.SELECTED DRAWING: Figure 10

Description

[Technical Field]

[0001] The present invention relates to a harness holding structure in which a terminal-equipped wire harness having terminals connected to its ends is held by a base member, and to a base member that holds a terminal-equipped wire harness. [Background technology]

[0002] An electrical junction box electrically connected to electrical equipment mounted on a vehicle houses a control circuit that controls the electrical equipment, and a wire harness is arranged to electrically connect the electrical equipment and the control circuit (see Patent Document 1).

[0003] The wire harness arranged inside the electrical connection box is a terminal-equipped harness with terminals connected to the ends, and by connecting the terminals to the electronic components, the electronic components and the electrical equipment are electrically connected.

[0004] In recent years, with the increase in electronic devices installed in vehicles, the number of electronic components housed inside the electrical junction box and the number of terminal-equipped harnesses routed inside the box have increased, resulting in limited space for routing the terminal-equipped harnesses inside the electrical junction box. For this reason, the terminals may be connected to a base body, such as the inner surface of the electrical junction box, at a distance. However, if an external force acts on the wire harness due to the weight of the wire harness or vehicle vibrations while the terminals are connected, an unintended load may be applied to the connection between the terminals and the wire harness, potentially preventing stable conductivity. [Prior art documents] [Patent documents]

[0005] [Patent Document 1] Japanese Utility Model Application Publication No. 63-90920 Summary of the Invention [Problem to be solved by the invention]

[0006] The present invention aims to provide a harness holding structure and a base member that can ensure stable conductivity between the terminals of a terminal-equipped harness connected at a distance from the base body and the wire harness. [Means for solving the problem]

[0007] This invention is characterized in that it comprises a terminal-equipped harness having terminals connected to the ends of the wire harness, and a base member that holds the wire harness of the terminal-equipped harness, the base member having a base main body and a terminal connection portion for connecting the terminals, a connection arrangement portion that is arranged at a distance from the base main body, and a harness holding portion that holds the wire harness that is arranged at a distance from the base main body in a separation direction in which the connection arrangement portion is separated from the base main body, and the connection arrangement portion and the harness holding portion are arranged at corresponding positions in the separation direction.

[0008] This invention is characterized in that it comprises a base body, a terminal connection portion for connecting terminals, a connection arrangement portion arranged at a distance from the base body, and a harness holding portion connected to the terminal connected to the terminal connection portion, and holding a wire harness arranged at a distance from the base body in a direction in which the connection arrangement portion is separated from the base body, and the connection arrangement portion and the harness holding portion are base members arranged at corresponding positions in the direction in which the connection arrangement portion is separated from the base body.

[0009] The base member refers to a base or the like housed in the inner wall of an electrical component such as an electrical junction box in which the wire harness is routed, and includes components mounted on the electrical component and a part of the wall of the electrical component. The base body refers to the bottom surface and side walls that form the outer surface of the electrical junction box, as well as a part of the foundation housed in the electrical junction box.

[0010] According to this invention, stable conductivity can be ensured between the wire harness and the terminal of the terminal-equipped harness connected to the base body at a distance. Specifically, the connection arrangement portion to which the terminals of the terminal-equipped harness are connected and the harness holding portion to which the wire harness extending toward the base end of the terminal is fixed are disposed at corresponding heights in the separation direction. This allows the wire harness extending toward the base end of the terminal to be routed at a predetermined interval in the separation direction relative to the base body. This allows the terminals to be connected at a predetermined interval in the separation direction relative to the base body, and the wire harness to be routed, making effective use of the space formed on the base body in the separation direction.

[0011] Furthermore, since the wire harness is fixed to the harness holding portion disposed at a position corresponding to the connection arrangement portion in the separation direction, the wire harness can be routed at a substantially constant height in the separation direction between the connection arrangement portion and the harness holding portion, which prevents the wire harness extending from the base end side of the terminal from tilting in the separation direction relative to the terminal, and also prevents deformation of the connection portion between the terminal and the wire harness due to the weight of the wire harness itself, vehicle vibrations, etc.

[0012] This prevents excessive bending of the wire harness and damage to the connection portion between the terminal and the wire harness and the surrounding area, and prevents load from being applied to the connection portion. Therefore, the harness holding structure and base member configured in this manner can ensure stable conductivity between the terminal of the terminal-equipped harness and the wire harness.

[0013] As an aspect of the present invention, the harness holding portion and the connection arrangement portion may be arranged at an interval that can maintain the wiring shape of the wire harness along the wiring direction of the wire harness that is routed between the terminal connection portion and the harness holding portion.

[0014] According to this invention, the wiring shape of the wire harness can be maintained between the connection arrangement portion and the harness holding portion, which are spaced a predetermined distance apart in the wiring direction, thereby suppressing load from acting on the connection portion between the wire harness and the terminal.

[0015] In addition, since space can be formed on the side of the base body of the wire harness that is routed between the connection arrangement portion and the harness holding portion, the design freedom of the base member can be improved, such as by placing other electronic components such as bus bars on the base member.

[0016] In another aspect of the present invention, the terminal-equipped harness may include a plurality of the wire harnesses bundled together, and the terminals connected to the ends of the plurality of wire harnesses may be connected to the terminal connection portion.

[0017] According to this invention, with the bundled wire harnesses fixed to the harness holding portion, the terminals connected to one end of the wire harnesses can be arranged to spread in a direction perpendicular to the separation direction and connected to the terminal connection portion. This allows the connection portions of each terminal and wire harness and the harness holding portion to be arranged in corresponding positions in the separation direction, thereby maintaining the routing shape of the multiple wire harnesses between the connection arrangement portion and the harness holding portion. Therefore, it is possible to suppress loads from acting on the connection portions of each wire harness and the terminals.

[0018] In another aspect of the present invention, the wire harness may be a first harness, the terminal connected to the first harness may be a first terminal, and a second harness may be branched off from the first harness on the base end side of the harness holding portion and extend toward the base main body, and a base side connection arrangement portion for connecting the second terminal connected to the tip of the second harness and a base side harness holding portion for fixing and holding the second harness may be provided on the side of the base main body, and the base side connection arrangement portion and the base side harness holding portion may be arranged at corresponding positions in the separation direction.

[0019] This invention allows multiple wire harnesses to be arranged three-dimensionally in the spacing direction, thereby making effective use of the space in the base member and improving the design freedom of the base member and the electronic components to be placed around it.

[0020] In another aspect of the present invention, the harness holding portion may form an insertion space between the harness holding portion and the base main body through which the second harness can be inserted, and the base side harness holding portion may be provided closer to the tip of the second harness than the insertion space. According to this invention, an insertion space through which the second harness can be inserted is formed on the opposite side of the harness holding portion in the separating direction, so that the space in the base member can be used effectively.

[0021] In another aspect of the present invention, the base-side harness holding portion may be provided closer to the base end of the second harness than the insertion space. According to this invention, the second harness can be easily fixed to the base-side harness holding portion, thereby improving the workability of wiring the wire harness in a narrow space.

[0022] In another aspect of the present invention, the harness holding portion may be provided with a through hole that is oval when viewed from the separating direction, and a holding member may be provided that holds the wire harness and has an insertion portion with an oval cross section that is inserted into the through hole to fix the wire harness, and the long axis of the through hole may be along a direction from the harness holding portion toward the connection arrangement portion.

[0023] According to this invention, the wire harness can be prevented from rotating around the insertion portion as a rotation axis due to vibration or the like, and therefore the load acting on the wire harness and the terminal can be reduced. [Effects of the Invention]

[0024] This invention makes it possible to provide a harness holding structure and a base member that can ensure stable conductivity between the terminals of a terminal-equipped harness that are connected at a distance from the base body and the wire harness. [Brief explanation of the drawings]

[0025] [Figure 1] FIG. [Figure 2] FIG. [Figure 3] FIG. [Figure 4] FIG. 2 is an explanatory diagram of a wire harness with terminals. [Figure 5] FIG. [Figure 6] FIG. [Figure 7] FIG. [Figure 8] FIG. [Figure 9] FIG. [Figure 10] FIG. DETAILED DESCRIPTION OF THE INVENTION

[0026] An embodiment of the present invention will be described below with reference to FIGS. Fig. 1 shows an explanatory diagram of the electrical junction box 1, and Fig. 2 shows a schematic exploded perspective view of the electrical junction box 1. Fig. 3 shows an explanatory diagram of the round terminal 50 and the harness fastener 60, and Fig. 4 shows an explanatory diagram of the harness 40. Fig. 5 shows an explanatory diagram of the bus bar 70, and Figs. 6 and 7 show explanatory diagrams of the holding member 80. Figs. 8 and 9 show explanatory diagrams of the base member 30, and Fig. 10 shows an explanatory diagram of the harness holding structure 2.

[0027] 1 and 3 to 10 will be described in detail. Fig. 1(a) shows a schematic perspective view of an electrical junction box 1 as viewed from one side XA, the right side YR, and the upper side ZU, and Fig. 1(b) shows a schematic perspective view of a harness holding structure 2 housed inside a box main body 10. In Fig. 1(b), in order to clearly show the inside of the box main body 10, the box main body 10 is shown in a transparent state by being represented by dotted lines.

[0028] Fig. 3(a) shows a schematic plan view of the round terminal 50 connected to the tip portion of the wire harness 40a, and Fig. 3(b) shows a schematic side view of the round terminal 50 connected to the tip portion of the wire harness 40a. Fig. 3(c) shows a schematic side view of the harness fastener 60, and Fig. 3(d) shows a cross-sectional view taken along the line AA in Fig. 3(c). Fig. 4(a) shows a schematic side view of the harness 40, and Fig. 4(b) shows a schematic plan view of the first harness 41.

[0029] Fig. 5(a) shows a schematic plan view of the bus bar 70, Fig. 5(b) shows a schematic front view of the bus bar 70 as viewed from one side XA, and Fig. 5(c) shows a schematic side view of the bus bar 70 as viewed from the left side YL. Fig. 6(a) shows a schematic perspective view of the holding member 80 as viewed from one side XA, the left side YL, and the upper side ZU, Fig. 6(b) shows a schematic plan view of the holding member 80, Fig. 7(a) shows a schematic front view of the holding member 80, and Fig. 7(b) shows a cross-sectional view as viewed from the arrow BB in Fig. 6(a).

[0030] Figure 8(a) shows a schematic oblique view of the base member 30 as viewed from the other side XB, the left side YL and the upper side ZU, Figure 8(b) shows a schematic plan view of the base member 30, Figure 9(a) shows a cross-sectional view as viewed from the CC arrow in Figure 8(b), and Figure 9(b) shows a cross-sectional view as viewed from the DD arrow in Figure 8(b).

[0031] Figures 10(a) and 10(b) show schematic cross-sectional views of the harness holding structure 2. Figure 10(a) shows a schematic cross-sectional view of the harness holding structure 2 corresponding to the cross-section seen from the arrow CC in Figure 8(b), and Figure 10(b) shows a schematic cross-sectional view of the harness holding structure 2 corresponding to the cross-section seen from the arrow DD in Figure 8(b). Also, Figure 10(a) shows only the first harness 41 of the harness 40, and Figure 10(d) shows only the second harness 42 of the harness 40. Note that in Figure 10, the first harness 41 and the second harness 42 are shown schematically to clarify the structure of the harness holding structure 2.

[0032] Here, the up-down direction in FIG. 1 is the height direction Z, and the direction perpendicular to the height direction Z and along the long side of the box body 10, which is generally rectangular in plan view, is the first direction X. The direction perpendicular to the first direction X and the height direction Z is the width direction Y. Also, in FIG. 1, the left side along the first direction X is one side XA, the right side is the other side XB, the lower side along the height direction Z is the lower side ZD, and the upper side is the upper side ZU. The left side along the width direction Y is the left side YL, and the right side along the width direction Y is the right side YR. The above-mentioned directions are the same as the corresponding directions in FIGS. 2 and 5 to 10.

[0033] An electrical junction box 1 mounted on a vehicle is a housing that is electrically connected to externally arranged electrical devices (not shown) and that houses electronic components such as a current sensor R that controls the electrical devices. As shown in Figures 1 and 2, this electrical junction box 1 includes a box body 10 that forms a storage space, and a harness holding structure 2 that is housed inside the box body 10.

[0034] As shown in FIGS. 1 and 2, the box body 10 is made up of a lower cover 11 having an opening, and an upper cover 12 that closes the opening of the lower cover 11. The lower cover 11 is a hollow box-shaped body having an opening on the upper side ZU, and is composed of a bottom surface portion 111 formed in a generally rectangular shape in a plan view and a base side wall portion 112 standing upright from the outer edge of the bottom surface portion 111. The base side wall portion 112 is provided with a fitting hole 113 so that a connector C can be attached to connect to a connector-equipped electric wire routed outside the box body 10.

[0035] The upper cover 12 is a lid that closes the opening of the lower cover 11, and is composed of a substantially rectangular top surface portion 121 that faces the bottom surface portion 111 when the upper cover 12 is assembled to the lower cover 11, and a cover-side side wall portion 122 that extends from the outer edge of the top surface portion 121 toward the lower cover 11. The top surface portion 121 is provided with a plurality of upper insertion portions 123 that penetrate in the height direction Z. The base side wall portion 112 and the cover side wall portion 122 are provided with locking portions (not shown) for locking the lower cover 11 and the upper cover 12 together.

[0036] As shown in Figures 1 and 2, the harness holding structure 2 is composed of a terminal-equipped harness 20 that is routed inside a box body 10, and a base member 30 that holds the terminal-equipped harness 20 by fixing it with bolts. As shown in FIG. 2, the terminal-equipped harness 20 includes a harness 40, and a first terminal group 3 and a second terminal group 4 in which a plurality of round terminals 50 are stacked.

[0037] The harness 40 is a bundle of wire harnesses 40a each made up of a plurality of insulated electric wires, each having a conductor covered with an insulating coating. As shown in Figures 3(a) and 3(b), a conductive round terminal 50 is connected to the end of the wire harness 40a. A harness fastener 60 is attached to the harness 40 made up of a plurality of bundled wire harnesses 40a to hold it against the base member 30.

[0038] The round terminal 50 is a round terminal having a so-called open barrel, and as shown in Figures 3(a) and 3(b), it includes a wire connection portion 51 that crimps the wire harness 40a, a terminal conductive portion 52 that is circular in plan view, and a terminal connecting portion 53 that connects the wire connection portion 51 and the terminal conductive portion 52.

[0039] The wire connection portion 51 has a pair of barrel pieces that respectively crimp the conductor portion of the wire harness 40a and the outer surface of the insulating coating, electrically connecting the conductor of the wire harness 40a to the round terminal 50 and holding the wire harness 40a.

[0040] The terminal conductive portion 52 has a structure in which a bolt electrically connected to an electronic component is inserted to connect the electronic component, and has a conductive portion main body 521 having an approximately circular shape in a plan view, and two terminal locking portions 522 protruding from the outer edge of the conductive portion main body 521.

[0041] As shown in Figure 3(a), the conductive portion main body 521 is a plate material that is approximately circular in plan view and is arranged offset in a direction perpendicular to the extension direction of the wire connection portion 51, and has a circular conductor through hole 523 in the central part in the thickness direction of the plate.

[0042] As shown in Figures 3(a) and 3(b), the terminal locking portion 522 is a claw-shaped locking piece that protrudes from the outer edge of the conductive portion main body 521 toward the upper side ZU and faces inward of the conductive portion main body 521. The length of the terminal locking portion 522 in the height direction Z is approximately equal to the plate thickness of the conductive portion main body 521. The terminal locking portions 522 configured in this manner are provided in pairs centered around the conductor through-hole 523, and can lock another conductive portion main body 521 arranged on the upper side ZU.

[0043] The terminal connecting portion 53 connects the tip of the wire connecting portion 51 and the outer edge of the terminal conductive portion 52, and is inclined slightly downward toward the ZD as it approaches the tip. That is, the conductive portion main body 521 is disposed on the downward side ZD relative to the wire connecting portion 51.

[0044] The round terminals 50 configured in this manner can be stacked in the height direction Z so that the conductor through holes 523 are inserted into each other. More specifically, one round terminal 50 is slid along the conductive portion body 521 of the other round terminal 50. This causes the terminal locking portion 522 provided on the one round terminal 50 to be locked onto the outer peripheral surface of the other round terminal 50, allowing the round terminals 50 to be stacked in the height direction Z. In this state, the conductor through holes 523 are inserted into each other in the height direction Z (see FIG. 4(b)). In this case, the respective conductive portion bodies 521 are arranged radially around the conductor through hole 523.

[0045] As shown in Figures 3(c) and 3(d), the harness fastener 60 is composed of a harness mounting portion 61 that is wrapped around the outer circumference of the harness 40 to attach the harness fastener 60 to the harness 40, and an anchor portion 62 provided on the lower side ZD of the harness mounting portion 61.

[0046] The harness attachment portion 61 has a pivot band portion 611 that can pivot freely to open and close using a hinge as a pivot axis, and a locking and fixing portion 612 that locks and fixes the pivot band portion 611 in a closed state. With the harness attachment portion 61 configured in this manner, when the pivot band portion 611 is in an open state, the pivot band portion 611 can be pivoted so as to be wound around the outer periphery of the harness 40 that bundles multiple wire harnesses 40a, and the pivot band portion 611 can be locked by the locking and fixing portion 612. In this way, the harness fastener 60 is attached to the harness 40.

[0047] The anchor portion 62 is a so-called anchor that is inserted into an insertion hole provided in the attachment target to fix the harness attachment portion 61. More specifically, as shown in Figures 3(c) and 3(d), the anchor portion 62 includes an umbrella-shaped umbrella portion 621 provided on the lower end side of the harness attachment portion 61, a fixed shaft portion 622 protruding from the bottom of the harness attachment portion 61, and a pair of locking arms 623 extending from the tip of the fixed shaft portion 622.

[0048] The umbrella portion 621 is a resilient piece having a substantially oval shape when viewed from the tip side, and is inclined radially outward as it approaches the tip side. The umbrella portion 621 configured in this manner comes into contact with the attachment location when the anchor portion 62 is inserted into an insertion hole provided at the attachment location while the harness 40 is held by the harness attachment portion 61. Therefore, the umbrella portion 621 can stably support the harness 40 at the attachment location by the resilience acting in the insertion direction.

[0049] The fixed shaft portion 622 is a columnar body with a generally oval cross section that extends from the bottom of the harness attachment portion 61. A pair of locking arms 623 that extend outward in the minor axis direction are provided at the central portion along the major axis at the tip of the fixed shaft portion 622.

[0050] Locking arm 623 is a locking piece that is connected to the tip of fixed shaft portion 622 and extends outward in the minor axis direction of fixed shaft portion 622, and gradually moves away from fixed shaft portion 622 as it moves from the tip side to the base end side of fixed shaft portion 622. A space is formed between locking arm 623 and fixed shaft portion 622 configured in this manner, and therefore locking arm 623 can elastically deform in the minor axis direction.

[0051] As described above, the harness 40, which is a bundle of wire harnesses 40a each having a round terminal 50 connected to its distal end, branches into a first harness 41 and a second harness 42 at the distal end side as shown in Figures 4(a) and 4(b). Also, at the proximal end side, the harness 40 branches into a plurality of third harnesses 43. Note that a proximal end connector 44 is provided at the end of the third harness 43, and can be fixed by partially inserting it into the upper insertion portion 123 (see Figure 2).

[0052] The first harness 41 is composed of five wire harnesses 40a, each having a round terminal 50 connected to its tip, and a predetermined length from the round terminal 50 toward the base end is bundled with a harness fastener 60. The round terminals 50 connected to each of the wire harnesses 40a constituting the first harness 41 are stacked together in the height direction Z. Here, the stacked round terminals 50 at the tip of the first harness 41 form a first terminal group 3. In the first terminal group 3, the wire connection portions 51 connected to each of the wire harnesses 40a extend radially from the conductor through-hole 523 as a center (see FIG. 4(b)).

[0053] The second harness 42 is composed of seven wire harnesses 40a, each having a round terminal 50 connected to its tip, and a predetermined length from the round terminal 50 toward the base end is bundled with a harness fastener 60. The round terminals 50 connected to each of the wire harnesses 40a constituting the second harness 42 are stacked together in the height direction Z, similar to the first harness 41. Here, the stacked round terminals 50 at the tip of the second harness 42 constitute a second terminal group 4. In the second terminal group 4, the wire connection portions 51 connected to each of the wire harnesses 40a extend radially from the conductor through-hole 523 as the center.

[0054] The base member 30 is composed of a bus bar 70 made of a conductive metal plate, and a holding member 80 on which the bus bar 70 and the current sensor R are placed (see FIG. 2). The current sensor R includes a sensor body R1 made up of a housing with a sensor inside, and plate-shaped conductive terminals R2 extending from both ends of the sensor body R1 in the width direction Y. The conductive terminals R2 are provided with sensor penetration portions R3 that penetrate the conductive terminals R2 in the plate thickness direction.

[0055] The bus bar 70 is formed to have a desired wiring path that matches the circuit design by combining a first bus bar 71, a second bus bar 72, a third bus bar 73, and a fourth bus bar 74, which are conductive metal plates. Note that the first bus bar 71, the second bus bar 72, the third bus bar 73, and the fourth bus bar 74 are appropriately provided with bus bar through holes 75 that penetrate through the plate thickness direction. In addition, conductive bolts 76 that are installed upright from the lower side ZD toward the upper side ZU are inserted into some of the bus bar through holes 75.

[0056] The first bus bar 71 is a flat metal plate having a predetermined width and extending linearly along the first direction X. Bus bar through-holes 75 for bolting to the second bus bar 72 are provided at the ends of one side XA and the other side XB of the first bus bar 71, and a conductive bolt 76 is provided in the center of the first bus bar 71 to be inserted into a sensor through-hole R3 provided in the conductive terminal R2. The end of the other side XB of the first bus bar 71 is connected to another electronic component (not shown).

[0057] As shown in Figures 5(a) and 5(b), the second bus bar 72 is a metal plate material formed in a roughly L-shape in a plan view and having the same width as the first bus bar 71, and is integrally formed with a second vertical plate portion 721 along the first direction X and a second horizontal plate portion 722 curved along the width direction Y from one side XA end of the second vertical plate portion 721.

[0058] The second vertical plate portion 721 has a predetermined length along the first direction X, and has a busbar through hole 75 at the end on the other side XB that communicates with the busbar through hole 75 of the first busbar 71 arranged on the upper side ZU. The second horizontal plate portion 722 curves toward the left side YL from the end portion on one side XA of the second vertical plate portion 721 and extends toward the left side YL. A first convex portion 723 that protrudes toward the one side XA is provided at the ends on the right side YR and the left side YL of the second horizontal plate portion 722. The first convex portion 723 is electrically connected to one of the terminals provided on the connector C.

[0059] 5(a) and 5(b), the third bus bar 73 is formed by bending a single metal plate cut into a predetermined shape at a desired position. More specifically, the third bus bar 73 is integrally formed of a third horizontal plate portion 731 along the width direction Y, a parallel plate portion 732 extending along the width direction Y while curving from an end of the third horizontal plate portion 731 on the left side YL, a third vertical plate portion 733 bent from the parallel plate portion 732 toward the downward side ZD, and a third vertical plate portion 734 extending from the left side YL of the third vertical plate portion 733 toward the other side XB.

[0060] The third horizontal plate portion 731 has approximately the same length in the width direction Y as the second horizontal plate portion 722. A pair of second convex portions 735 are provided at the ends of the right side YR and left side YL of the third horizontal plate portion 731 configured in this manner, extending a predetermined length toward the downward side ZD and protruding from their tips toward the one side XA. The second convex portions 735 are electrically connected to the other of the terminals provided on the connector C.

[0061] The parallel plate portion 732 extends from the end of the left side YL of the third horizontal plate portion 731 toward the other side XB by a length equal to the width of the third bus bar 73, and also extends in a curved manner along the width direction Y. Furthermore, as shown in Figures 5(a) and 5(b), a conductive bolt 76 is erected on the straight portion of the parallel plate portion 732 extending in the width direction Y, slightly to the left side YL of the center.

[0062] 5(b), the third vertical plate portion 733 is formed by curving the end portion on the left side YL of the parallel plate portion 732 toward the downward side ZD. The height of the third vertical plate portion 733 is longer than the length in the height direction Z of the second convex portion 735 extending from the third horizontal plate portion 731 toward the downward side ZD.

[0063] 5(a) and 5(c), the third vertical plate portion 734 extends along the first direction X and is connected to an end portion on the lower side ZD of the third vertical plate portion 733. A third convex portion 736 that protrudes toward the one side XA is provided at an end portion on the one side XA of the third vertical plate portion 734. The third vertical plate portion 734 is electrically connected to one of the terminals provided on the connector C.

[0064] The fourth bus bar 74 is formed by bending a metal plate cut into a predetermined shape, similar to the third bus bar 73. More specifically, the fourth bus bar 74 is integrally formed with a rectangular plate portion 741 having a rectangular shape in a plan view and connected to the current sensor R, a fourth vertical plate portion 742 extending from the rectangular plate portion 741 toward the downward side ZD, a fourth vertical plate portion 743 extending from the fourth vertical plate portion 742 to the one side XA, a fourth horizontal plate portion 744 extending from the tip of the fourth vertical plate portion 743 to the left side YL, and a fourth convex portion 745 protruding from the fourth horizontal plate portion 744 to the one side XA.

[0065] The rectangular plate portion 741 is formed in a roughly rectangular shape when viewed from above, and a conductive bolt 76 that is inserted into the sensor penetration portion R3 provided in the conductive terminal R2 and that connects to other electronic components is erected in the center. The fourth vertical plate portion 742 is formed by curving from an end portion on one side XA of the rectangular plate portion 741 toward the downward side ZD, and extends along the height direction Z.

[0066] The fourth vertical plate portion 743 is formed by bending the end portion on the lower side ZD of the fourth vertical plate portion 742 toward the one side XA. In a plan view, the fourth horizontal plate portion 744 protrudes from the fourth vertical plate portion 743 toward one side XA and extends toward the left side YL while curving. As shown in Figures 5(a) to 5(c), the fourth horizontal plate portion 744 configured in this manner has a predetermined length in the width direction Y and has the conductive bolt 76 in its central portion in the width direction Y.

[0067] 5(b), the fourth convex portion 745 stands upright on the upper side ZU from near the end of the left side YL of the fourth horizontal plate portion 744, and extends from the upper end toward the one side XA, with the busbar through hole 75 provided at its tip. The fourth convex portion 745 is connected to the other terminal of the connector C, one of which is electrically connected to the third vertical plate portion 734.

[0068] As shown in Figures 6(a) and 6(b), the holding member 80 that holds the bus bar 70 including the first bus bar 71, the second bus bar 72, the third bus bar 73, and the fourth bus bar 74 is made up of a member main body 81 that is placed on the lower cover 11. The member main body 81 is provided with a sensor arrangement portion 82 in which the current sensor R is arranged, a bus bar arrangement portion 83, and a first harness holding portion 84.

[0069] The member body 81 is made of a resin material that is three-dimensionally molded to match the internal design of the electrical junction box 1. In detail, as shown in Figures 6(a) and 6(b), the member body 81 is provided with a base body 811 made of a flat plate placed on the bottom surface portion 111, an upper layer arrangement portion 812 that stands from the right side YR of the base body 811 to the upper side ZU, and a middle layer arrangement portion 813 that stands from the left side YL of the base body 811 to the upper side ZU.

[0070] The base main body 811 is a base placed on the bottom surface portion 111, and has a dividing through-hole 814 at its center that penetrates in the height direction Z and divides the base main body 811 into two in the first direction X (see FIG. 7(b)). Here, the base main body 811 arranged on the left side YL of the dividing through-hole 814 is referred to as the base-end side main body 815, and the base main body 811 arranged on the left side YL of the dividing through-hole 814 is referred to as the tip-end side main body 816. Then, as shown in FIG. 6(b), the base-end side main body 815 has a base-side insertion hole 817 formed to penetrate in the height direction Z and provided on the left side YL of the center.

[0071] 6(b), the base-side through-hole 817 is formed in an elliptical shape in a plan view. More specifically, the base-side through-hole 817 has an elliptical shape with a long axis having a length substantially equal to the long axis of the fixed shaft portion 622 and a short axis having a length substantially equal to the length between the central portions of the pair of locking arms 623. Note that the long axis of the base-side through-hole 817 is slightly inclined in the width direction Y with respect to the first direction X in a plan view.

[0072] The upper layer arrangement portion 812 is a board arranged on the right side YR of the base main body 811, at a predetermined height above the base main body 811 on the upper side ZU. The middle layer arrangement portion 813 is a substrate arranged on the left side YL of the base main body 811, at a predetermined height above the base main body 811 on the upper side ZU. The middle layer arrangement portion 813 is arranged below the upper layer arrangement portion 812 on the lower side ZD.

[0073] The sensor arrangement portion 82 is a mounting location for the current sensor R, and is provided on the other side XB and the left side YL of the upper arrangement portion 812. In detail, the sensor arrangement portion 82 has a main body mounting portion 821 configured to be able to fit a portion of the sensor main body R1, and a terminal arrangement portion 822 on which the rectangular plate portion 741 and the conductive terminal R2 are arranged in an overlapping manner.

[0074] The bus bar arrangement portion 83 is a recess for placing the bus bar 70 on the member main body 81. Specifically, as shown in FIG. 6(b), the bus bar arrangement portion 83 has a first placement portion 831 on which the second bus bar 72 is placed, a second placement portion 832 on which the first bus bar 71 is placed, a third placement portion 833 on which part of the parallel plate portion 732 is placed, a fourth placement portion 834 on which the third vertical plate portion 734 is placed, and a fifth placement portion 835 on which the position of the fourth horizontal plate portion 744 is placed.

[0075] The first placement portion 831 is a concave recess provided on the right side YR of the main body placement portion 821 in the upper layer arrangement portion 812, and is formed in substantially the same shape as the second bus bar 72 in plan view. The second placement portion 832 is a recess provided near the end of the other side XB of the first placement portion 831, and its bottom is raised above the groove bottom of the first placement portion 831 by the plate thickness of the first bus bar 71.

[0076] The third mounting portion 833 is a recess that holds the curved portion of the parallel plate portion 732 connected to the third horizontal plate portion 731, and is provided near the ends of one side XA and the left side YL of the upper arrangement portion 812. In other words, the third mounting portion 833 is provided on the upper arrangement portion 812 that stands upward on the upper side ZU from the tip side main body 816.

[0077] The third mounting portion 833 is provided on the upper side ZU by a predetermined length from the groove bottom of the first mounting portion 831. Therefore, when the second bus bar 72 is mounted on the first mounting portion 831 and the curved portion of the parallel plate portion 732 is mounted on the third mounting portion 833, the third horizontal plate portion 731 is disposed on the upper side ZU of the second horizontal plate portion 722.

[0078] The fourth placement portion 834 is a recess along the first direction X that has substantially the same shape as the third vertical plate portion 734 in a plan view, and is provided in the middle-layer arrangement portion 813. Note that, on one side XA of the fourth placement portion 834, a standing wall portion 818 that stands on the upper side ZU is provided so as to face the third placement portion 833 at a predetermined distance. The fifth placement portion 835 is a recessed portion on which the fourth horizontal plate portion 744 provided on one side XA of the tip side main body 816 can be placed.

[0079] The first harness holding portion 84 has a bridge structure formed on the upper side ZU of the divided through-hole 814. More specifically, as shown in Figures 7(a) and 7(b), the first harness holding portion 84 is composed of a pair of legs 841 standing on the upper side ZU from the ends of the left side YL and right side YR of the divided through-hole 814, and a flat connecting plate portion 842 connecting the upper side ZU ends of the legs 841. That is, an insertion space S that is inserted along the first direction X is formed on the lower side ZD of the connecting plate portion 842.

[0080] 7(a) and 7(b), the connecting plate portion 842 has a height substantially equal to that of the third mounting portion 833. That is, the connecting plate portion 842 is disposed on the upper side ZU at a predetermined distance from the base body 811. The length in the first direction X from the connecting plate portion 842 to the third mounting portion 833 is approximately three times the length in the longitudinal direction of the round terminal 50. The connecting plate portion 842 is also provided with a bridge-side through-hole 843 on the left side YL, which has the same shape as the base-side through-hole 817 and is oval in plan view, penetrating in the height direction Z.

[0081] The current sensor R and bus bar 70 placed on the holding member 80 configured in this manner are arranged three-dimensionally and connected to a connector C that is electrically connected to electrical equipment mounted on the outside of the box main body 10.

[0082] 8(a) and 8(b), the second bus bar 72 is placed on the first mounting portion 831, and a portion of the parallel plate portion 732 is placed on the third mounting portion 833. Therefore, the third horizontal plate portion 731 is disposed at a predetermined interval on the upper side ZU of the second horizontal plate portion 722. Furthermore, the first convex portion 723 protruding from the second horizontal plate portion 722 and the second convex portion 735 protruding from the third horizontal plate portion 731 are disposed in parallel on one side XA. Connectors C can be connected to the first convex portion 723 and the second convex portion 735 disposed in parallel in this manner.

[0083] 8(a) and 8(b), a portion of the parallel plate portion 732 is placed on the third mounting portion 833, and the third vertical plate portion 734 is placed on the fourth mounting portion 834, so that the third vertical plate portion 733 is disposed along the main surface of the left side YL of the standing wall portion 818. Therefore, as shown in FIGS. 8(b) and 9, a portion of the parallel plate portion 732 along the width direction Y is disposed so as to straddle the third mounting portion 833 and the standing wall portion 818. That is, the parallel plate portion 732 provided with the conductive bolt 76 is disposed so as to face the connecting plate portion 842 (first harness holding portion 84) in the first direction X, on the upper side ZU of the base main body 811, as shown in FIG. 9(a).

[0084] 8(b) and 9(b), the rectangular plate portion 741 is placed on the terminal arrangement portion 822, and the fourth horizontal plate portion 744 is placed on the fifth placement portion 835, so that the fourth vertical plate portion 742 is arranged along the side surface of the terminal arrangement portion 822 that stands upright from the base body 811. The third convex portion 736 and the fourth convex portion 745 are arranged in parallel and protrude in the direction XA. Connectors C can be connected to the third convex portion 736 and the fourth convex portion 745 that are arranged in parallel in this manner (see FIG. 2).

[0085] In the harness holding structure 2 in which the bus bar 70 holds the harness 40 on the holding member 80 in this manner, when placed, as shown in Figures 10(a) and 10(b), the round terminal 50 connected to the wire harness 40a is connected to the conductive bolt 76 provided on the parallel plate portion 732 and the fourth horizontal plate portion 744.

[0086] Specifically, in the first terminal group 3 connected to the tip of the first harness 41, the round terminals 50 connected to the tips of the five wire harnesses 40a constituting the first harness 41 are stacked in the height direction Z as described above. In this case, the wire connection portions 51 connected to the respective wire harnesses 40a extend radially from the conductor through-holes 523 in a plan view. In addition, the wire harnesses 40a are bundled with the harness fasteners 60 at locations spaced a predetermined distance from the round terminals 50 on the base end side.

[0087] The harness fastener 60 bundling the wire harnesses 40a of the first harness 41 in this manner has the anchor portion 62 inserted into the bridge-side insertion hole 843 provided in the connecting plate portion 842. As a result, the first harness 41 is fixed to the connecting plate portion 842 by the harness fastener 60 (see FIG. 10(a)).

[0088] The first terminal group 3 is inserted into the terminal locking portion 522 communicating in the height direction Z by a conductive bolt 76 erected from the parallel plate portion 732 arranged so as to straddle the third mounting portion 833 and the tip side main body 816, and is fastened with a nut N. Therefore, the conductive bolt 76 provided on the parallel plate portion 732 and the first terminal group 3 are electrically connected (see FIG. 10(a)).

[0089] Here, the connecting plate portion 842 and the parallel plate portion 732 are disposed to correspond to each other in the height direction Z. Therefore, the base end portion of the first harness 41 fixed to the connecting plate portion 842 and the conductive bolt 76 to which the first terminal group 3 is connected are positioned in the height direction Z so as to correspond to each other and be substantially the same. Furthermore, since the connecting plate portion 842 and the parallel plate portion 732 are approximately three times the longitudinal length of the round terminal 50 in the first direction X, the wiring shape of the first harness 41 (wire harness 40a) routed between the connecting plate portion 842 and the parallel plate portion 732 can be maintained linearly.

[0090] This makes it possible to prevent the wire harness 40a extending from the electric wire connection portion 51 from tilting in the height direction Z with respect to the round terminal 50. It also makes it possible to prevent deformation of the connecting portion between the round terminal 50 and the first harness 41 (wire harness 40a) due to the weight of the wire harness 40a itself, vibration of the vehicle, or the like.

[0091] Similarly, the second terminal group 4 includes the first harness 41 and seven wire harnesses 40a constituting a second harness 42 branched downward ZD, and the round terminals 50 connected to the ends of these wire harnesses 40a are stacked in the height direction Z. In the second harness 42, the wire connection portions 51 connected to the wire harness 40a also extend radially from the conductor through-holes 523 in a plan view. In addition, the second harness 42 is bundled with a harness fastener 60 at locations spaced a predetermined distance from the round terminals 50 of the wire harness 40a toward the base end.

[0092] The second harness 42 configured in this manner branches off from the first harness 41 at the other side XB of the first harness holding portion 84, and the harness fastener 60 is disposed on the other side XB of the first harness holding portion 84. The tip portion of the second harness 42 is inserted into the insertion space S, and the second terminal group 4 is disposed on one side XA of the first harness holding portion 84. The round terminal 50 connected to the tip of the wire harness 40a inserted into the insertion space S is inserted into the terminal locking portion 522 communicating in the height direction Z, and is inserted into the conductive bolt 76 erected from the fourth horizontal plate portion 744 placed on the fifth mounting portion 835, and is fastened with a nut N. Therefore, the conductive bolt 76 provided on the fourth horizontal plate portion 744 and the round terminal 50 are electrically connected (see FIG. 10(b)).

[0093] Additionally, the harness fastener 60 bundling the wire harnesses 40a of the second harness 42 has an anchor portion 62 inserted into a base-side insertion hole 817 provided in the base-side main body 815. Therefore, the second harness 42 is fixed to the base-side main body 815 (base main body 811) via the harness fastener 60 (see FIG. 10(b)).

[0094] As described above, the harness holding structure 2 includes the terminal-equipped harness 20 having the round terminals 50 connected to the ends of the wire harnesses 40a, and the base member 30 that holds the wire harnesses 40a of the terminal-equipped harness 20. The base member 30 includes a base main body 811 and a conductive bolt 76 for connecting the round terminals 50, a third bus bar 73 that is disposed spaced apart from the base main body 811, and a first harness holding portion 84 that holds the wire harness 40a that is routed spaced apart from the base main body 811 on an upper side ZU where the third bus bar 73 is spaced apart from the base main body 811. The third bus bar 73 and the first harness holding portion 84 are disposed at corresponding positions on the upper side ZU.

[0095] This ensures stable conductivity between the round terminals 50 of the terminal-equipped harness 20 connected to the base body 811 at a distance on the upper side ZU and the wire harness 40a. More specifically, the third bus bar 73 to which the round terminal 50 of the terminal-equipped harness 20 is connected and the first harness holding portion 84 that fixes the wire harness 40a extending toward the base end of the round terminal 50 are disposed at corresponding heights on the upper side ZU. This allows the wire harness 40a extending toward the base end of the round terminal 50 to be routed at a predetermined interval on the upper side ZU relative to the base main body 811. This allows the round terminal 50 to be connected to the base main body 811 at a predetermined interval on the upper side ZU, and the wire harness 40a to be routed, thereby making effective use of the space formed on the upper side ZU of the base main body 811.

[0096] Furthermore, the wire harness 40a is fixed to the first harness holding portion 84, which is disposed at a position corresponding to the third bus bar 73, on the upper side ZU. This allows the wire harness 40a to be routed at a substantially constant height on the upper side ZU between the third bus bar 73 and the first harness holding portion 84. This prevents the wire harness 40a extending from the base end side of the round terminal 50 from tilting toward the upper side ZU with respect to the round terminal 50, and also prevents deformation of the connection portion between the round terminal 50 and the wire harness 40a due to the weight of the wire harness 40a itself, vehicle vibrations, etc.

[0097] This prevents excessive bending of the wire harness 40a and damage to the connecting portion and its surroundings between the round terminal 50 and the wire harness 40a, and prevents load from being applied to the connecting portion. Therefore, the harness holding structure 2 and the base member 30 can ensure stable conductivity between the round terminal 50 of the terminal-equipped harness 20 and the wire harness 40a.

[0098] Furthermore, the first harness holding portion 84 and the third bus bar 73 are arranged at an interval that allows the wiring shape of the wire harness 40a to be maintained along the wiring direction of the wire harness 40a that is routed between the conductive bolt 76 and the first harness holding portion 84. This makes it possible to suppress load from acting on the connection portion between the wire harness 40a and the round terminal 50.

[0099] In addition, since a space can be formed on the side of the base body 811 of the wire harness 40a arranged between the third bus bar 73 and the first harness holding portion 84, the design freedom of the base member 30 can be improved, such as by placing other electronic components on the base member 30.

[0100] Furthermore, the terminal-equipped harness 20 is provided with a plurality of wire harnesses 40a which are bundled together, and each of the round terminals 50 connected to the tip of the plurality of wire harnesses 40a is connected to a conductive bolt 76.

[0101] As a result, with the bundled wire harnesses 40a fixed to the first harness holding portion 84, the round terminals 50 connected to one ends of the wire harnesses 40a can be arranged to spread in a direction perpendicular to the upper side ZU and connected to the conductive bolt 76. Therefore, the connection portions between each round terminal 50 and the wire harness 40a and the first harness holding portion 84 are arranged in corresponding positions on the upper side ZU, and the wiring shape of the multiple wire harnesses 40a can be maintained between the third bus bar 73 and the first harness holding portion 84. Therefore, loads applied to the connection portions between each wire harness 40a and the round terminals 50 can be suppressed.

[0102] The second harness 42 branches off from the first harness 41 on the base end side of the first harness holding portion 84 and extends toward the base main body 811. On the side of the base main body 811, there are provided a fourth bus bar 74 that connects the second terminal group 4 connected to the tip of the second harness 42, and a base main body 811 (base end side main body 815) that fixes and holds the second harness 42. The fourth bus bar 74 and the base main body 811 (base end side main body 815) are disposed at corresponding positions on the upper side ZU.

[0103] This allows multiple wire harnesses 40a to be arranged three-dimensionally on the upper side ZU, thereby making effective use of the space in the base member 30 and improving the design freedom of electronic components to be placed on the base member 30 and its surroundings.

[0104] Furthermore, the first harness holding portion 84 forms an insertion space S between itself and the base main body 811, into which the first harness holding portion 84 can be inserted. The base main body 811 (proximal end main body 815) is provided closer to the tip end of the first harness holding portion 84 than the insertion space S. This forms an insertion space S on the lower side ZD of the first harness holding portion 84, into which the second harness 42 can be inserted, thereby making it possible to effectively utilize the space in the base member 30.

[0105] Furthermore, since the base body 811 (the base-end side body 815) is provided closer to the base end of the first harness holding portion 84 than the insertion space S, the second harness 42 can be easily fixed to the base body 811 (the base-end side body 815). Therefore, the workability of the wiring work of wiring the wire harness 40a in a narrow space can be improved.

[0106] Furthermore, a base-side through-hole 817 having an elliptical shape when viewed from the upper side ZU is provided in the first harness holding portion 84. The harness fastener 60 holds the wire harness 40a of the first harness 41 and has an anchor portion 62 having an elliptical cross section that is inserted into the base-side through-hole 817 to fix the wire harness 40a. The major axis of the base-side through-hole 817 is aligned along the direction from the first harness holding portion 84 toward the third bus bar 73.

[0107] This prevents the wire harness 40a of the first harness 41 from rotating around the anchor portion 62 as a rotation axis due to vibration or the like, thereby reducing the load acting on the wire harness 40a and the round terminal 50 of the first harness 41.

[0108] Furthermore, since the locking arm 623 extends along the minor axis direction, the harness fastener 60 vibrates along the minor axis direction due to vehicle vibrations, etc. Therefore, it is possible to suppress the wire harness 40a from vibrating up and down from the first harness holding portion 84 to the third bus bar 73, and it is possible to more reliably maintain the routing shape of the wire harness 40a.

[0109] In the correspondence between the configuration of the present invention and the above-described embodiments, the wire harness of the present invention corresponds to the wire harness 40a of the embodiment, and similarly, The terminal is compatible with round terminal 50, The terminal harness corresponds to the terminal harness 20. The base member corresponds to the base member 30, The base body corresponds to the base body 811, The terminal connection part corresponds to the conduction bolt 76, The connection arrangement portion corresponds to the third bus bar 73, The separation direction corresponds to the upper side ZU, The harness holding portion corresponds to the first harness holding portion 84, The harness holding structure corresponds to the harness holding structure 2, The first harness corresponds to the first harness 41, The first terminal corresponds to the first terminal group 3, The second harness corresponds to the second harness 42, The second terminal corresponds to the second terminal group 4, The base-side connection arrangement portion corresponds to the fourth bus bar 74, The base side harness holding portion corresponds to the base end side main body 815, The insertion space corresponds to the insertion space S, The through-hole corresponds to the base-side insertion hole 817, The insertion portion corresponds to the anchor portion 62, The holding member corresponds to the harness fastener 60, but the present invention is not limited to the configuration of the above-described embodiment, and many other embodiments can be obtained.

[0110] For example, in the present embodiment, the holding member 80 is stored inside the box body 10 and is a separate member from the box body 10, but it may also be an inner wall of the box body 10 inside which the wire harness 40a is routed. Also, instead of the base body 811, it may be the bottom surface portion 111 or the base side wall portion 112 of the box body 10.

[0111] Furthermore, the sensor arrangement section 82 and the bus bar arrangement section 83 provided in the member main body 81 are not limited to this embodiment, and are provided at desired locations in the holding member 80 in accordance with the circuit design in the internal space, such as the routing path of the bus bar 70, the location of the electronic components, and the routing path of the wire harness 40a routed inside.

[0112] Furthermore, the distance between the connecting plate portion 842 and the parallel plate portion 732 is approximately three times the longitudinal length of the round terminal 50, but is not limited to this distance. The distance between the connecting plate portion 842 and the parallel plate portion 732 may be any distance that allows the wiring shape of the wire harness 40a to be maintained, and is preferably two to four times the longitudinal length of the round terminal 50.

[0113] For example, if the distance between the connecting plate portion 842 and the parallel plate portion 732 is less than twice the longitudinal length of the round terminal 50, a portion of the wire harness 40a will be excessively bent, which may cause an excessive load to be applied to the connecting portion (the wire connection portion 51 and the terminal conduction portion 52) between the wire harness 40a and the round terminal 50.

[0114] On the other hand, if the distance between the connecting plate portion 842 and the parallel plate portion 732 is greater than four times the longitudinal length of the round terminal 50, the weight or vibration of the wire harness 40a may cause the wire harness 40a to sway in the vertical direction Z, which may result in excessive load being placed on the connecting portion between the wire harness 40a and the round terminal 50 (the wire connection portion 51 and the terminal conductive portion 52). [Explanation of symbols]

[0115] 2...Harness holding structure 3...First terminal group 4…Second terminal group 20...Harness with terminals 30...Base member 41...First harness 42...Second harness 50...Round terminal 60...Harness fastener 62...Anchor part 73...Third bus bar 74...Fourth bus bar 76...Continuity voltage 84...First harness holding portion 811...Bass body 815...Base end body 817...Base side insertion hole S...insertion space ZU…Upper side

Claims

1. a terminal-attached harness in which a terminal is connected to the tip of a wire harness; a base member for holding the wire harness of the terminal-equipped harness, The base member is The base body and a connection arrangement portion provided with a terminal connection portion for connecting the terminal and disposed apart from the base body; a harness holding portion that fixes and holds the wire harness routed apart from the base body in a separation direction in which the connection arrangement portion is separated from the base body, The connection arrangement portion and the harness holding portion are disposed at corresponding positions in the separation direction. Harness retention structure.

2. The harness holding portion and the connection arrangement portion are arranged along the wiring direction of the wire harness routed between the terminal connection portion and the harness holding portion at intervals that allow the wiring shape of the wire harness to be maintained. The harness holding structure according to claim 1 .

3. The terminal-equipped harness includes a plurality of the wire harnesses, which are bundled together, The terminals connected to the ends of the plurality of wire harnesses are connected to the terminal connection portions. The harness holding structure according to claim 2 .

4. The wire harness is a first harness, and the terminal connected to the first harness is a first terminal, a second harness branching from the first harness at a position closer to the base end than the harness holding portion and extending toward the base body; a base-side connection arrangement portion on the side of the base main body for connecting a second terminal connected to a tip end of the second harness; a base-side harness holding portion that fixes and holds the second harness, The base-side connection arrangement portion and the base-side harness holding portion are disposed at corresponding positions in the separation direction. The harness holding structure according to claim 1 .

5. the harness holding portion forms an insertion space between the harness holding portion and the base body, through which the second harness can be inserted; The base-side harness holding portion is provided on the distal end side of the insertion space. The harness holding structure according to claim 4.

6. The base-side harness holding portion is provided closer to the base end than the insertion space. The harness holding structure according to claim 5 .

7. The harness holding portion is provided with a through hole having an oval shape when viewed from the separating direction, a holding member having an insertion portion having an elliptical cross section that holds the wire harness and is inserted into the through hole to fix the wire harness; The long axis of the through hole is aligned along the direction from the harness holding portion to the connection arrangement portion. The harness holding structure according to claim 1 .

8. The base body and a connection arrangement portion provided with a terminal connection portion for connecting a terminal and arranged apart from the base body; a harness holding portion that is coupled to the terminal connected to the terminal connection portion and that fixes and holds the wire harness that is routed away from the base body in a direction in which the connection arrangement portion is spaced apart from the base body, The connection arrangement portion and the harness holding portion are disposed at corresponding positions in the separation direction. Base material.

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