Wire harness

Abstract

To suppress reduction of durability.SOLUTION: A main protector member 30 has: a torsion allowable part 31 which guides a harness body 10 inward along a parallel axis Pp with a spacing in parallel with a rotation axis of a rotary fulcrum 501, and, when an opening / closing body 510 is opened from a fully closed position to a fully opened position, allows torsional deformation of a harness body following the rotation of an arm member 521 inward; and a bending allowable part 32 which directs the harness body pulled out from the torsion allowable part to a second electric connection subject side to the arm member while bending the body, and, when the opening / closing body is opened from the fully closed position to the fully opened position, allows bending deformation of the harness body following the rotation of the arm member inward, where the torsion allowable part is arranged in an area off an operational area S1 of the arm member in opening / closing the opening / closing body out of a circular virtual arm operational area S which is formed by rotating the arm member about an axis of the rotary fulcrum by 360 degrees.SELECTED DRAWING: Figure 4

Description

[Technical Field]

[0001] The present invention relates to a wire harness. [Background technology]

[0002] Conventionally, a wire harness has been known that is routed between a support and an opening / closing body that rotates around an axis of a rotation fulcrum provided on the support via an arm member of a link mechanism to open and close the door. For example, a vehicle such as an automobile is equipped with a wire harness that electrically connects a power source (such as a secondary battery) and electrical components on the vehicle body side serving as the support to switches and electrical components on the sliding door side serving as the rotating body. This type of wire harness is disclosed, for example, in Patent Document 1 listed below. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] Japanese Patent Application Laid-Open No. 2001-151042 Summary of the Invention [Problem to be solved by the invention]

[0004] However, in a conventional wire harness, the wire harness is raised parallel to the axis of rotation of the rotation fulcrum near the rotation fulcrum within the operating range of the arm member, bent at the end of the raised portion, and routed along the arm member to the sliding door as a rotating body. Therefore, in this wire harness, the twisting angle of the raised portion that is twisted (hereinafter referred to as the "twisting portion") becomes large, which may cause a decrease in durability.

[0005] Therefore, an object of the present invention is to provide a wire harness that can suppress a decrease in durability. [Means for solving the problem]

[0006] The present invention provides a harness body that is routed between a support and an opening / closing body that opens and closes via a link mechanism while rotating an arm member of the link mechanism around the axis of a rotation fulcrum provided on the support, and electrically connects a first electrical connection object installed on the support and a second electrical connection object installed on the opening / closing body, and a protector that passes through an inner space to protect the harness body, wherein the harness body passes between the support side and the opening / closing body side while staying along the arm member when the arm member rotates around the axis of the rotation fulcrum accompanying opening and closing of the opening / closing body between a fully closed position and a fully open position, and the protector is fixed to the support and includes a main protector member that passes the harness body through an inner space, and the main protector member rotates around the rotation axis of the rotation fulcrum a twisting allowance section that guides the harness main body inwardly along parallel axes that are parallel and spaced apart, and that allows twisting deformation of the harness main body inwardly to follow the rotation of the arm member when the opening / closing body is opened from the fully closed position to the fully open position; and a bending allowance section that bends the harness main body pulled out from the twisting allowance section toward the second electrically connected object and directs it toward the arm member, and that allows bending deformation of the harness main body inwardly to follow the rotation of the arm member when the opening / closing body is opened from the fully closed position to the fully open position, wherein the twisting allowance section is located in a location outside the operating area of ​​the arm member when the opening / closing body is opened or closed, within a circular imaginary arm operating area formed by rotating the arm member 360 degrees around the axis of the rotation fulcrum. [Effects of the Invention]

[0007] In the wire harness according to the present invention, when the opening / closing body is opened from the fully closed position to the fully open position, the inner wall surface of the bend-permitting portion of the main protector member locks the inside of the bend caused by bending deformation of the harness main body, and the torsional angle caused by twisting deformation of the harness main body is limited to a specified torsional angle or less. Therefore, in this wire harness, even if the opening / closing body is repeatedly opened and closed, it is possible to suppress a decrease in durability caused by repeated torsional deformation and untwisting of the harness main body. [Brief explanation of the drawings]

[0008] [Figure 1] FIG. 1 is a schematic view of a wire harness according to an embodiment when viewed from inside a vehicle compartment with a sliding door in a fully closed position. [Figure 2] FIG. 2 is a schematic view of the wire harness of the embodiment when the sliding door is in a fully closed position, as viewed from above the vehicle. [Figure 3] FIG. 3 is a schematic view of the wire harness of the embodiment when the sliding door is in a fully open position, as viewed from above the vehicle. [Figure 4] FIG. 4 is an explanatory diagram illustrating the arrangement of the twist-permitting portion. [Figure 5] FIG. 5 is a perspective view showing the wire harness of the embodiment when the sliding door is in a fully closed position. [Figure 6] FIG. 6 is a perspective view of the wire harness of the embodiment when the sliding door is in a fully closed position, as viewed from a different angle. [Figure 7] FIG. 7 is a plan view of the wire harness of the embodiment when viewed from inside the vehicle compartment when the sliding door is in the fully closed position. [Figure 8] FIG. 8 is a plan view of the wire harness of the embodiment when the sliding door is in a fully closed position, as viewed from above the vehicle. [Figure 9] FIG. 9 is a perspective view showing the wire harness of the embodiment when the sliding door is in a fully open position. [Figure 10] FIG. 10 is a perspective view of the wire harness of the embodiment when the sliding door is in a fully open position, as viewed from a different angle. [Figure 11] FIG. 11 is a plan view of the wire harness of the embodiment when viewed from inside the vehicle cabin when the sliding door is in a fully open position. [Figure 12] FIG. 12 is a plan view of the wire harness of the embodiment when the sliding door is in a fully open position, as viewed from above the vehicle. [Figure 13] FIG. 13 is an explanatory view of the locking portion of the wire harness of the embodiment when the sliding door is in a fully open position, viewed from a different angle. DETAILED DESCRIPTION OF THE INVENTION

[0009] DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, embodiments of a wire harness according to the present invention will be described in detail with reference to the accompanying drawings. However, the present invention is not limited to these embodiments.

[0010] [Embodiment] One embodiment of a wire harness according to the present invention will be described with reference to FIGS. 1 to 13. FIG.

[0011] Reference numeral 1 in FIGS. 1 to 13 denotes a wire harness according to this embodiment.

[0012] The wire harness 1 includes a harness main body 10 that is routed between a support body 500 and an opening / closing body 510 and electrically connects a first electrical connection object (not shown) installed on the support body 500 with a second electrical connection object (not shown) installed on the opening / closing body 510 (FIGS. 1 to 4). A link mechanism 520 is provided between the support body 500 and the opening / closing body 510 to connect them and to open and close the opening / closing body 510 between a fully closed position and a fully open position with respect to the opening of the support body 500 (FIGS. 1 to 4). The opening / closing body 510 is opened and closed via the link mechanism 520 by rotating an arm member 521 of the link mechanism 520 around an axis of a rotation fulcrum 501 provided on the support body 500 (FIGS. 1 to 4).

[0013] For example, vehicles such as automobiles are known that are equipped with a sliding door that can slide relative to the vehicle body (moving back and forth in a sliding direction). In this vehicle, the sliding door is opened and closed between a fully closed position and a fully open position relative to the door opening of the vehicle body by moving back and forth in the sliding direction relative to the vehicle body via at least one link mechanism provided between the vehicle body and the sliding door. In the following, a vehicle body 500 and a sliding door 510 will be described as an example of a support body 500 and an opening / closing body 510.

[0014] Since the support body 500 and the opening / closing body 510 are exemplified, the first electrically connected object exemplified here refers to a power source (such as a secondary battery) or an electrical component installed in the vehicle body 500. For example, the electrical component on the vehicle body 500 refers to an audio device related to the speaker of the sliding door 510 or a drive device for driving a power seat. On the other hand, the second electrically connected object exemplified here refers to an electrical component or a switch installed in the sliding door 510. For example, the electrical component of the sliding door 510 refers to a drive device or a speaker for driving a power window. Furthermore, the switch of the sliding door 510 refers to a switch for operating a power window, a switch for operating a power seat, etc.

[0015] The vehicle illustrated here is equipped with two link mechanisms. Here, link mechanism (hereinafter referred to as "main link mechanism") 520 and link mechanism (hereinafter referred to as "sub-link mechanism") 530 are arranged below main link mechanism 520 with a gap therebetween (FIGS. 1 to 4). In the vehicle illustrated here, main link mechanism 520 and sub-link mechanism 530 slide sliding door 510 on one side of the vehicle in the fore-and-aft direction of the vehicle, thereby opening and closing the door opening on the side of vehicle body 500.

[0016] Main link mechanism 520 and sub-link mechanism 530 each include various link members that connect vehicle body 500 and sliding door 510 and open and close sliding door 510 relative to the door opening of vehicle body 500 while sliding sliding door 510 relative to vehicle body 500. Main link mechanism 520 and sub-link mechanism 530 each include at least one arm member rotatably supported on a rotation fulcrum 501 of vehicle body 500 as their various link members. For example, main link mechanism 520 includes arm member (hereinafter referred to as "main arm member") 521 as its arm member (FIGS. 1 to 4). Sub-link mechanism 530 includes arm member (hereinafter referred to as "sub-arm member") 531 as its arm member (FIG. 1).

[0017] Between the vehicle body 500 and one end of the main arm member 521 on the vehicle body 500 side, there is provided a rotation shaft (hereinafter referred to as the "vehicle body-side rotation shaft") 522, which is a rotation axis at a rotation fulcrum 501 of the vehicle body 500 and rotatably supports one end of the main arm member 521 relative to the vehicle body 500 at the rotation fulcrum 501 (FIGS. 1 to 4). Furthermore, between the sliding door 510 and the other end of the main arm member 521 on the sliding door 510 side, there is provided a rotation shaft (hereinafter referred to as the "door-side rotation shaft") 523, which rotatably supports the other end of the main arm member 521 relative to the sliding door 510 (FIGS. 1 to 4). The main arm member 521 extends in the front-rear direction of the vehicle when the sliding door 510 is in the fully closed position. Furthermore, the vehicle body-side rotation shaft 522 and the door-side rotation shaft 523 are arranged with their axial directions aligned in the vertical direction of the vehicle.

[0018] A rotation shaft (hereinafter referred to as "vehicle body-side rotation shaft") 532 that rotatably supports one end of the sub-arm member 531 relative to the vehicle body 500 is provided between the vehicle body 500 and one end of the sub-arm member 531 that faces the vehicle body 500 (FIG. 1). In addition, a rotation shaft (hereinafter referred to as "door-side rotation shaft") 533 that rotatably supports the other end of the sub-arm member 531 relative to the sliding door 510 is provided between the sliding door 510 and the other end of the sub-arm member 531 that faces the sliding door 510 (FIG. 1). The sub-arm member 531 extends in the front-rear direction of the vehicle when the sliding door 510 is in the fully closed position. In addition, the vehicle body-side rotation shaft 532 and the door-side rotation shaft 533 are arranged with their axes aligned in the vertical direction of the vehicle.

[0019] Furthermore, the main link mechanism 520 and the sub-link mechanism 530 each have various link members each equipped with a plurality of arm members, and may be a simplified model in which these various link members are simplified to a single arm member (for example, main arm member 521, sub-arm member 531).

[0020] In this vehicle, for example, the output torque of a rotating machine (not shown) serving as a driving source is transmitted to the vehicle body side rotation shaft 522 of the main link mechanism 520, and the main arm member 521 is rotated around the axis of the rotation fulcrum 501, thereby causing the sliding door 510 to slide relative to the vehicle body 500.

[0021] The wire harness 1 includes a harness main body 10 routed between the vehicle body 500 and the sliding door 510 (FIGS. 1 to 4). The wire harness 1 also includes a protector 20 that passes the harness main body 10 through an internal space to protect it (FIGS. 1 to 4).

[0022] In this wire harness 1, one end of the harness main body 10 is electrically connected directly or indirectly to a first object to be electrically connected, and the other end of the harness main body 10 is electrically connected directly or indirectly to a second object to be electrically connected. The harness main body 10 may be configured only as a bundle of electric wires, or the entire bundle of electric wires may be covered with an exterior part such as a corrugated tube, or the bundle of electric wires may be partially covered with one or more exterior parts. Note that the harness main body 10 may be configured only as a single electric wire.

[0023] The main arm member 521 rotates around the axis of the rotation fulcrum 501 when the sliding door 510 is opened or closed between a fully closed position (FIGS. 1 and 2) and a fully open position (FIG. 3). The harness main body 10 passes between the vehicle body 500 side and the sliding door 510 side while staying along the main arm member 521 when the main arm member 521 rotates around the axis of the rotation fulcrum 501 in conjunction with the opening or closing of the sliding door 510 (FIGS. 2 to 4). Here, the portion of the harness main body 10 that is along the main arm member 521 is referred to as the arm routing portion 11 (FIGS. 1 to 4). Therefore, the arm routing portion 11 of the harness main body 10 has a fixing portion that is fixed to the main arm member 521, as will be described in detail later.

[0024] The protector 20 is fixed to the vehicle body 500 and includes a main protector member 30 through which the harness main body 10 passes through an internal space (FIGS. 1 to 13). The main protector member 30 is disposed on the wiring path of the harness main body 10 closer to the first electrical connection object than the main arm member 521. The main protector member 30 is molded from a synthetic resin material or the like.

[0025] The main protector member 30 guides the harness main body 10 inward along a parallel axis Pp that is spaced apart from the rotation axis of the rotation fulcrum 501 (the vehicle body-side rotation axis 522), and has a torsion-permitting portion 31 that allows twisting deformation of the harness main body 10 inward to follow the rotation of the main arm member 521 when the sliding door 510 is opened from the fully closed position to the fully open position ( FIGS. 1 to 7 , 9 to 11 and 13 ). The torsion-permitting portion 31 is partially or entirely cylindrical, and a portion (twisting deformation portion) 12 of the harness main body 10 that is torsionally deformed when the sliding door 510 is opened is inserted into the cylinder along the parallel axis Pp ( FIGS. 1 to 4 , 7 and 11 ).

[0026] This torsion tolerant portion 31 is arranged in a location outside the operating area S1 of the main arm member 521 when opening or closing the sliding door 510, within a circular imaginary arm operating area S formed by rotating the main arm member 521 360 degrees around the axis of the rotation fulcrum 501 (FIG. 4). For example, the main arm member 521 in this example rotates around the axis of the rotation fulcrum 501 within the obtuse angle operating area S1 when opening or closing the sliding door 510 between the fully closed position and the fully open position. The torsion tolerant portion 31 is arranged in a location within the imaginary arm operating area S that is outside the obtuse angle operating area S1 of the main arm member 521.

[0027] Specifically, the torsion tolerant portion 31 is disposed on the rotation center side of the imaginary arm operation area S (i.e., on the rotation fulcrum 501 side) within a location outside the operation area S1 of the main arm member 521 in the imaginary arm operation area S (FIG. 4). More specifically, the torsion tolerant portion 31 is disposed on the rotation center side of the imaginary arm operation area S within a location outside the operation area S1 of the main arm member 521 in the imaginary arm operation area S, inside an outer wall surface 502 on the opening direction side of the sliding door 510 of the vehicle body 500, and on the opening direction side of the sliding door 510 of the passenger space Sp for occupants in the vehicle interior (FIG. 4).

[0028] The main protector member 30 further has a bending portion 32 that bends the harness main body 10 pulled out from the twisting portion 31 toward the second electrical connection object toward the main arm member 521, and allows bending deformation of the harness main body 10 inwardly, following the rotation of the main arm member 521, when the sliding door 510 is opened from the fully closed position to the fully open position (FIGS. 1 to 13). The bending portion 32 is partially or entirely formed in a cylindrical shape, and a portion 13 of the harness main body 10 that is bent and deformed when the sliding door 510 is opened (hereinafter referred to as the "bending deformation portion") is inserted into the cylinder (FIGS. 1 to 7, 9 to 11 and 13).

[0029] In the harness main body 10, the end drawn out from the bend allowance portion 32 of the main protector member 30 toward the main arm member 521 follows the rotation of the main arm member 521 about the axis of the rotation fulcrum 501 (FIGS. 2 to 4). In addition, in this harness main body 10, the end drawn out toward the main arm member 521 follows the rotation of the main arm member 521 about the axis of the rotation fulcrum 501 while being routed along the main arm member 521 (FIGS. 2 to 4). Therefore, inside the cylindrical twist allowance portion 31, the torsional deformation portion 12 of the harness main body 10 twists about its own axis in accordance with the rotation of the main arm member 521 when the sliding door 510 is opened from the fully closed position to the fully open position. In addition, inside the cylindrical bend allowance portion 32, the bending deformation portion 13 of the harness main body 10 bends in accordance with the rotation of the main arm member 521 when the sliding door 510 is opened from the fully closed position to the fully open position.

[0030] The bend allowing portion 32 has a locking inner wall surface 32a that locks the harness main body 10 on the inside of the bend caused by bending deformation when the sliding door 510 is opened from the fully closed position to the fully open position (FIGS. 5 to 7, 9 to 11, and 13). Therefore, in this wire harness 1, even if other components are arranged on the inside of the bend of the bending deformation portion 13 in the harness main body 10, the bend allowing portion 32 can prevent interference between the other components and the harness main body 10 when the sliding door 510 is opened from the fully closed position to the fully open position.

[0031] Here, the locking inner wall surface 32a is formed in a shape that locks the harness main body 10 on the inner side of the bend caused by bending deformation when the sliding door 510 is opened from the fully closed position to the fully open position, and limits the twist angle caused by twisting deformation of the harness main body 10 inside the twist-tolerating portion 31 to an angle equal to or less than a specified twist angle. The specified twist angle is set to a twist angle that can prevent a decrease in durability caused by twisting deformation of the harness main body 10. For example, here, the maximum twist angle that can prevent a decrease in durability caused by twisting deformation of the harness main body 10 is set to the specified twist angle. Therefore, in this wire harness 1, even if the sliding door 510 is repeatedly opened and closed, it is possible to prevent a decrease in durability caused by repeated twisting deformation and untwisting of the twisting deformation portion 12 of the harness main body 10.

[0032] The specified twist angle is determined according to the path length of the twisting deformation portion 12 in the harness main body 10, and the longer the path length of the twisting deformation portion 12, the larger the twist angle that can be set. Meanwhile, in a vehicle, the operating range of the main arm member 521 when the sliding door 510 is opened or closed is determined. In the harness main body 10, the swing range of the portion that follows the main arm member 521 is determined according to the operating angle of the main arm member 521, and the twist angle associated with the twisting deformation of the harness main body 10 inside the twist tolerance portion 31 is determined according to the swing range. Therefore, the specified twist angle and path length of the twisting deformation portion 12 can be set, for example, based on the swing range of the portion of the harness main body 10 that follows the main arm member 521 (the operating angle of the main arm member 521) and the space available for installing the twist tolerance portion 31.

[0033] In this way, the wire harness 1 can suppress a decrease in durability of the harness main body 10 due to the opening and closing of the sliding door 510 by the locking inner wall surface 32a of the bendable portion 32.

[0034] Furthermore, it is desirable that the locking inner wall surface 32a is formed in a shape that locks the harness main body 10 on the inner side of the bend caused by bending deformation when the sliding door 510 is opened from the fully closed position to the fully open position, and limits the curvature caused by bending deformation of the harness main body 10 inside the bend allowance portion 32 to a value equal to or less than a specified curvature. The specified curvature is set to a curvature that can prevent a decrease in durability caused by bending deformation of the harness main body 10. For example, in this case, the maximum value of the curvature that can prevent a decrease in durability caused by bending deformation of the harness main body 10 is set to the specified curvature. Therefore, in this wire harness 1, even if the sliding door 510 is repeatedly opened and closed, it is possible to prevent a decrease in durability caused by repeated bending deformation of the bend deformation portion 13 of the harness main body 10 and its subsequent return to normal. The locking inner wall surface 32a shown here is formed as an arc-shaped inner wall surface with a curvature equal to or less than the specified curvature, and when the sliding door 510 is opened from the fully closed position to the fully open position, the bending deformation portion 13 of the harness main body 10 is bent and deformed along the inner wall surface with a curvature equal to or less than the specified curvature.

[0035] The harness main body 10 is fixed directly or indirectly to the vehicle body 500 on the side of the first electrical connection object, and is fixed directly or indirectly to the main arm member 521 on the side of the second electrical connection object.

[0036] The harness main body 10 has a fixing portion (hereinafter referred to as the "first fixing portion") 14 that is fixed to a fixing position on the main protector member 30 or the vehicle body 500 after being pulled out from inside the twist-tolerant portion 31 toward the first electrically connected object (FIGS. 5 to 7, 9 and 11). The main protector member 30 of this example has a piece 33 that protrudes from the periphery of the opening of the twist-tolerant portion 31 on the side of the first electrically connected object at the fixing position (FIGS. 5 to 7, 9 to 11 and 13). The harness main body 10 is fixed to the fixing position on the main protector member 30 by wrapping the first fixing portion 14 together with the piece 33 with a cable tie, adhesive tape or the like. Thus, the harness main body 10 of this example is indirectly fixed to the vehicle body 500 via the main protector member 30.

[0037] The harness main body 10 also has fixing portions (hereinafter referred to as "second fixing portions") 15 that are fixed directly or indirectly to fixing positions of the main arm member 521 (FIGS. 5 to 10, 12 and 13). The second fixing portions 15 are provided on the arm routing portion 11 of the harness main body 10. The harness main body 10 can be fixed directly to the main arm member 521 while keeping the arm routing portion 11 aligned with the main arm member 521 by wrapping or clipping at least two second fixing portions 15 to fixing positions of the main arm member 521 with adhesive tape.

[0038] In the harness main body 10, a torsional deformation portion 12 and a bending deformation portion 13 are present between the first fixed portion 14 and the second fixed portion 15, and when the sliding door 510 is opened or closed between a fully closed position and a fully open position, torsional deformation, deformation returning from the torsion, bending deformation, and deformation returning from the bending occur between the first fixed portion 14 and the second fixed portion 15. That is, in this harness main body 10, when the sliding door 510 is opened or closed between a fully closed position and a fully open position, the path between the first fixed portion 14 and the second fixed portion 15 changes. Therefore, the internal spaces of the torsional deformation portion 31 and the bending deformation portion 32 are formed to allow for a change in the path between the first fixed portion 14 and the second fixed portion 15 of the harness main body 10 that accompanies torsional deformation and bending deformation of the harness main body 10 when the sliding door 510 is opened or closed. "Allowing the path to change" here means that, except for the state in which the harness main body 10 is engaged by the engaging inner wall surface 32a of the bending allowance portion 32, the harness main body 10, whose path changes when the sliding door 510 is opened or closed, is not caught on the inside of the twist allowance portion 31 and the bending allowance portion 32.

[0039] Here, protector 20 is provided with sub-protector member 40 which is fixed to main arm member 521 and passes harness main body 10, which is pulled out from bendable portion 32 toward the second electrical connection object, through the inner space along main arm member 521 (FIGS. 1 to 13). Sub-protector member 40 is formed into a cylindrical shape using a synthetic resin material or the like.

[0040] This sub-protector member 40 is fixed to this main arm member 521 with, for example, its cylindrical axis direction facing the extension direction of the main arm member 521 (FIGS. 1 to 4). For example, this sub-protector member 40 may be fixed directly to the main arm member 521, or may be fixed indirectly to the main arm member 521 by being fixed to a bracket (not shown) provided on the main arm member 521 by welding or the like.

[0041] When the protector 20 includes such a sub-protector member 40, the harness main body 10 has a second fixing portion 15 that is pulled out from inside the sub-protector member 40 toward the second electrically connected object and fixed to a fixing position of the sub-protector member 40 or the main arm member 521. The sub-protector member 40 of this example has a piece 41 that protrudes from the periphery of the opening on the second electrically connected object side as its fixing position ( FIGS. 5 to 10 , 12 and 13 ). The harness main body 10 is fixed to the fixing position of the sub-protector member 40 by wrapping the second fixing portion 15 together with the piece 41 with a cable tie, adhesive tape, or the like. Therefore, the harness main body 10 of this example is indirectly fixed to the main arm member 521 via the sub-protector member 40 using only the second fixing portion 15 at one location.

[0042] The internal spaces of the twist-tolerance portion 31 and the bend-tolerance portion 32 are formed to be able to tolerate changes in the path between the first fixed portion 14 and the second fixed portion 15 of the harness main body 10 due to twisting and bending deformation of the harness main body 10 when the sliding door 510 is opened and closed, even when the protector 20 is equipped with such a sub-protector member 40.

[0043] In the harness main body 10, such a change in the path between the first fixing portion 14 and the second fixing portion 15 is permitted, and therefore a change in the path also occurs inside the sub-protector member 40 (i.e., at the arm routing portion 11). In this harness main body 10, if the path change is greater on the main protector member 30 side than on the second fixing portion 15 in the arm routing portion 11, the second fixing portion 15 may apply an overload to the fixing position of the sub-protector member 40 or the main arm member 521. In the previous example, there is a possibility that the second fixing portion 15 may apply an overload to the piece 41 of the sub-protector member 40, the cable tie, or the like.

[0044] Therefore, the sub-protector member 40 is provided with a locking portion 42 that locks the harness main body 10, which has entered from the first electrical connection object side, on the inner side of the bend that occurs due to bending deformation inside the bend allowance portion 32 when the sliding door 510 is opened from the fully closed position to the fully open position, and reduces the load from the second fixing portion 15 to the fixing position of the sub-protector member 40 or the main arm member 521 that occurs due to a change in the path of the harness main body 10 (FIG. 13). This locking portion 42 locks the harness main body 10, which has entered from the first electrical connection object side, on the inner side of the bend that occurs due to bending deformation inside the bend allowance portion 32 when the sliding door 510 is opened from the fully closed position to the fully open position, thereby preventing an excessive change in the path of the harness main body 10 (particularly, a change in the path of the arm routing portion 11). Therefore, when the sliding door 510 is opened from the fully closed position to the fully open position, the locking portion 42 can prevent an overload from the second fixing portion 15 of the harness main body 10, whose path is changed, onto the fixing position of the sub-protector member 40 or the main arm member 521. In the previous example, it is possible to prevent an overload from the second fixing portion 15 onto the piece 41 of the sub-protector member 40, the cable tie, etc.

[0045] Here, the peripheral edge of the opening of the sub-protector member 40 on the side of the first electrical connection object is used as the locking portion 42. Therefore, it is desirable to provide the peripheral edge used as the locking portion 42 with an arc-shaped surface for, for example, surface contact with the harness main body 10.

[0046] In the protector 20 of this example, the sub-protector member 40 is rotatably held relative to the main protector member 30. The sub-protector member 40 of this example is rotatably held relative to the bendable portion 32 of the main protector member 30, coaxially with the rotation axis of the rotation fulcrum 501 (vehicle body-side rotation axis 522). The main protector member 30 has a rotation axis 34 that protrudes from the bendable portion 32, coaxially with the rotation axis of the rotation fulcrum 501 (vehicle body-side rotation axis 522) ( FIGS. 5 to 13 ). The sub-protector member 40 has a holding portion 43 that protrudes toward the bendable portion 32 ( FIGS. 5 to 13 ). By inserting the rotation axis 34 into the holding portion 43, the sub-protector member 40 is rotatably held relative to the main protector member 30, coaxially with the rotation axis of the rotation fulcrum 501 (vehicle body-side rotation axis 522).

[0047] As described above, the wire harness 1 of this embodiment can suppress a decrease in durability by using the protector 20 (main protector member 30, sub-protector member 40) having the shape and arrangement described above. [Explanation of symbols]

[0048] 1 Wire harness 10 Harness body 14 1st fixed part 15 Second fixed part 20 Protector 30 Main protector member 31 Twist tolerance section 32 Bending tolerance 32a Locking inner wall surface 40 Sub-protector member 42 Locking part 500 Support, body 501 Rotational fulcrum 510 Opening and closing body, sliding door 520 Main link mechanism (link mechanism) 521 Main arm component (arm component) Pp parallel axis S Virtual arm operating area S1 operating range

Claims

1. a harness main body that is wired between a support and an opening / closing body that opens and closes via the link mechanism while rotating an arm member of the link mechanism around an axis of a rotation fulcrum provided on the support, and that electrically connects a first electrically connected object installed on the support and a second electrically connected object installed on the opening / closing body; a protector for passing the harness main body through an inner space to protect the harness main body; Equipped with the harness main body is traversed between the support body side and the opening / closing body side while being aligned with the arm member when the arm member rotates around the axis of the rotation fulcrum in association with opening and closing of the opening / closing body between a fully closed position and a fully open position, The protector includes a main protector member fixed to the support body and passing the harness main body through an internal space, The main protector member has a twisting allowance portion that guides the harness main body inward along a parallel axis that is spaced apart from the rotation axis of the rotation fulcrum, and that allows twisting deformation of the harness main body inward to follow the rotation of the arm member when the opening / closing body is opened from the fully closed position to the fully open position, and a bending allowance portion that bends the harness main body pulled out from the twisting allowance portion toward the second electrical connection object and directs it toward the arm member, and that allows bending deformation of the harness main body inward to follow the rotation of the arm member when the opening / closing body is opened from the fully closed position to the fully open position, The wire harness is characterized in that the torsion tolerance portion is positioned in a location within a circular virtual arm operating area formed by rotating the arm member 360 degrees around the axis of the rotation fulcrum, but outside the operating area of ​​the arm member when the opening / closing body is opened or closed.

2. 2. The wire harness according to claim 1, wherein the torsion-tolerating portion is arranged on a rotation center side of the imaginary arm operating region, in a location outside the operating region of the arm member in the imaginary arm operating region.

3. the bend allowing portion has a locking inner wall surface that locks the harness main body on the inside of the bend caused by the bending deformation when the opening / closing body is opened from the fully closed position to the fully open position, and limits the twist angle caused by the twisting deformation of the harness main body inside the twist allowing portion to an angle equal to or less than a specified twist angle, 3. The wire harness according to claim 1, wherein the specified twist angle is set to a twist angle that can prevent a decrease in durability due to the twisting deformation of the harness main body.

4. the harness main body has a first fixing portion that is fixed to a fixing position of the main protector member or the support body at a point where the harness main body is pulled out from inside the twist-allowing portion toward the first electrical connection object, and a second fixing portion that is fixed to a fixing position of the arm member, 3. The wire harness according to claim 1, wherein the internal spaces of the twist-permitting portion and the bending-permitting portion are formed to be capable of permitting the twisting deformation of the harness main body when the opening / closing body is opened and closed, and a change in the path between the first fixing portion and the second fixing portion of the harness main body due to the bending deformation.

5. the protector includes a sub-protector member fixed to the arm member, and configured to guide the harness main body, which is drawn out from the bendable portion toward the second electrical connection object, along the arm member and into an inner space; the harness main body has a first fixing portion which is pulled out from inside the twist-allowing portion toward the first electrical connection object and fixed to a fixing position of the main protector member or the support body, and a second fixing portion which is pulled out from inside the sub-protector member toward the second electrical connection object and fixed to a fixing position of the sub-protector member or the arm member, 3. The wire harness according to claim 1, wherein the internal spaces of the twist-permitting portion and the bending-permitting portion are formed to be capable of permitting the twisting deformation of the harness main body when the opening / closing body is opened and closed, and a change in the path between the first fixing portion and the second fixing portion of the harness main body due to the bending deformation.

6. 6. The wire harness according to claim 5, wherein the sub-protector member is provided with a locking portion that locks the harness main body that has entered from the first electrical connection object side on the inside of the bend that occurs due to the bending deformation when the opening / closing body is opened from the fully closed position to the fully open position, thereby reducing the load from the second fixing portion to the sub-protector member or the fixing position of the arm member that occurs due to the change in the path of the harness main body.

Images