JP7278683B2 - power supply - Google Patents

Description

The present invention relates to a power supply device.

Generally, a vehicle having a sliding door is provided with a power supply device for supplying power from the vehicle body to the sliding door. That is, the wire harness of the power supply device electrically connects the battery or the like mounted on the vehicle body and the electrical components provided on the sliding door to supply electric power (for example, patent Reference 1).

FIG. 5 is a perspective view showing a conventional power supply device 100 described in Patent Document 1. As shown in FIG. The figure conceptually shows the corrugated guide 102 with respect to the power supply device 100 . The wire harness 101 of the conventional power supply device 100 shown in FIG. 5 includes electric wires, a corrugated tube that covers the electric wires, and is arranged in the corrugated tube so as to cover the electric wires. and a corrugated guide 102 for restraining. As shown in FIG. 5, the wire harness 101 is swingably supported by a body-side unit 103 fixed to the vehicle body B. As shown in FIG. When the sliding door S is opened and closed, the wire harness 101 swings along with the movement of the sliding door S. Further, in the conventional power supply device 100, the corrugated guide 102 (supporting member) functions to prevent the wire harness 101 from sagging as the sliding door S moves.

JP 2017-206051 A

In the above-described conventional power supply device 100, the slide door S moves rearward and is fully opened. There was a case where a large load was locally applied to the root portion of the wire harness 101 on the vehicle body B side due to the force applied. As a result, the bending endurance performance of the support member 102 may deteriorate.

SUMMARY OF THE INVENTION An object of the present invention is to provide a power supply device in which the bending durability of a supporting member is improved.

In order to solve the above problems and achieve the object, the invention recited in claim 1 is a power supply device for electrically connecting the vehicle body and the sliding door in a vehicle having the vehicle body and the sliding door. a wire harness routed between the vehicle body and the slide door; and a vehicle-body-side holding portion for supporting the wire harness on the vehicle body, wherein the wire harness includes an electric wire and an exterior of the electric wire. and a support member for supporting the exterior member. and a tubular portion extending coaxially with the hole , the wire harness being loosely inserted into the tubular portion, and the slide door being moved to deform the root portion of the wire harness on the vehicle body side. The power supply device is characterized in that the support member comes into contact with the cylindrical portion via the exterior member when the power supply device is closed.

In the invention according to claim 2, in the invention according to claim 1, the support member allows the bending of the exterior member in a predetermined allowable direction, and allows the bending of the exterior member in a predetermined limit direction in the opposite direction. When the slide door is moved and the root portion of the wire harness on the vehicle body side is deformed in the allowable direction, the support member is prevented from bending beyond the state, and the support member is positioned via the exterior member. and is in contact with the cylindrical portion.

The invention recited in claim 3 is based on the invention recited in claim 1 or 2, wherein the support member includes a plurality of piece members arranged in the axial direction of the electric wire, and the plurality of piece members are connected to each other. The support member is connected by a provision band, and allows the bending in the permissible direction by separating the ends of the adjacent piece members, and by abutting the ends of the adjacent piece members. It is characterized in that it is configured to restrict bending in the restricting direction, and when the slide door moves, a base portion of the piece member on the connecting band side comes into contact with the cylindrical portion.

The invention recited in claim 4 is the invention recited in any one of claims 1 to 3, wherein, of the plurality of piece members, the second piece member second from the vehicle body is connected to the joint member. It is characterized in that a base portion on the side of the band abuts on the cylindrical portion.

According to the first aspect of the invention, when the wire harness is loosely inserted into the cylindrical portion and the sliding door moves to deform the base portion of the wire harness on the vehicle body side, the supporting member is pushed through the exterior member. It abuts on the cylindrical portion. As a result, the bending fulcrum of the wire harness is located farther from the swinging portion than in the prior art, and the base portion of the wire harness on the vehicle body side is curved with a gentle curve having a large radius of curvature. Therefore, the local load acting on the base portion is reduced. That is, since the load acting on the root portion of the supporting member is reduced, the bending durability of the supporting member can be improved.

1 is a plan view showing a power supply device according to an embodiment of the invention; FIG. FIG. 2 is a perspective view showing a part while enlarging the main part shown in FIG. 1 ; FIG. 4 is a conceptual diagram showing the wire harness that constitutes the power supply device, and shows the root portion of the wire harness when the slide door is in a half-open state. FIG. 4 is a conceptual diagram showing a wire harness that constitutes the power supply device, and shows a root portion of the wire harness when the slide door is in a fully open state. and FIG. 11 is a perspective view showing a conventional power supply device.

An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a plan view showing a power supply device 1 according to one embodiment of the invention. Moreover, FIG. 1 shows the state of the power supply device 1 when the slide door is fully open. The sliding door is provided on the side surface of the vehicle 4 and is opened by sliding toward the rear side in the traveling direction.

As shown in FIG. 1, the power supply device 1 of the present embodiment is a vehicle 4 having a vehicle body 2 and a sliding door. It is a device that connects to 1 and 2, the right side of the drawing corresponds to the front side of the vehicle 4, the left side of the drawing corresponds to the rear side of the vehicle 4, the upper side of the drawing corresponds to the exterior side of the vehicle 4, and the lower side of the drawing corresponds to the exterior side of the vehicle 4. It corresponds to the interior side of the vehicle 4 . In this embodiment, arrow X indicates the vehicle width direction of the vehicle 4, arrow Y indicates the traveling direction of the vehicle 4, and arrow Z indicates the height direction perpendicular to the arrows X and Y. As shown in FIG.

In the power supply device 1 , electric power is supplied from a power source (not shown) provided in the vehicle body 2 to an electrical component (not shown) provided in the slide door via the wire harness 5 . Further, in the power supply device 1, electric signals are also transmitted and received via the wire harness 5 between a control means (not shown) provided on the vehicle body 2 and an electrical component (not shown) provided on the slide door. As shown in FIG. 1, the power supply device 1 includes a wire harness 5, a vehicle body side holding portion 6, and a door side holding portion (not shown).

The wire harness 5 is provided from the vehicle body 2 to the sliding door, as shown in FIG. The wire harness 5 includes a plurality of electric wires 51 (hereinafter sometimes referred to as a wire bundle 51), a corrugated tube 52 (exterior member) covering the outer circumference of the wire bundle 51, and between the wire bundle 51 and the corrugated tube 52. and a corrugated guide 53 (support member, see FIG. 5) provided. In FIG. 1, the wire bundle 51 and the corrugated guide 53 are transparently shown.

The wire bundle 51 is electrically connected to a battery mounted on the vehicle body 2, and is also electrically connected to electrical components (speakers, power windows, etc.) provided on the sliding door, and power is supplied from the battery to the electrical components. is provided to supply Note that the wire bundle 51 is provided so as to be longer than the corrugated tube 52 . In the present embodiment, the portion of the wire bundle 51 covered with the corrugated tube 52 is the wire harness 5 , and the end of the corrugated tube 52 is the end of the entire wire harness 5 .

As shown in FIG. 2, the vehicle body side end portion of the wire bundle 51 exits from the vehicle body side tube end portion of the corrugated tube 52, passes through the internal passage (insertion hole 630) of the vehicle body side holding portion 6, and enters the vehicle body. After coming out of the side holding portion 6, it extends to the power supply and control means in the vehicle body 2. As shown in FIG.

As shown in FIG. 2, the corrugated tube 52 is formed in a cylindrical shape, and the end of the tube on the vehicle body side is supported by a later-described swinging portion 63 of the swinging member 62 on the vehicle body side. The vehicle body side root portion of the corrugated tube 52 is swingably supported by the vehicle body side holding portion 6, and the door side root portion of the corrugated tube 52 is swingably supported by the door side holding portion.

As shown in FIG. 2, the corrugated guide 53 surrounds and runs along the wire bundle 51 inside the corrugated tube 52 to prevent the wire harness 5 from hanging down when the slide door is in the half-open state. is configured to In this embodiment, the corrugated guide 53 is provided only at a predetermined portion of the corrugated tube 52 including the end of the corrugated tube 52 on the vehicle body side.

As shown in FIG. 2 , the corrugated guide 53 includes a plurality of piece members 7 arranged in the axial direction of the wire bundle 51 , and the plurality of piece members 7 are connected to a strip-like connecting band 8 . Below, the connecting portion between each piece member 7 and the connecting band 8 is indicated by a base portion 71 . The plurality of piece members 7 and connecting belts 8 are integrally molded with resin.

Each piece member 7 has a pair of regulating walls 70 erected substantially perpendicularly from both widthwise edges of the connecting band 8 . Each regulation wall 70 is formed in a T shape and a plate shape. Below, among the plurality of piece members 7, the piece member 7 closest to the vehicle body 2 will be referred to as the first piece member 7A, and the piece member 7 adjacent to the slide door side of the first piece member 7A will be referred to as the first piece member 7A. 2, and a portion of the connecting band 8 located between the first connecting band 7A and the second connecting band 7B may be referred to as the first connecting band 8A.

The corrugated guide 53 is supported by the swinging portion 63 at the vehicle body side guide end portion of the corrugated guide 53 so that the arrangement direction of the plurality of piece members 7 is along the axial direction of the wire bundle 51 . The corrugated guide 53 is provided rotatably around the axis of the wire bundle 51 while being supported by the swinging portion 63 . With such a corrugated guide 53, the regulation wall 70 faces forward in the traveling direction (Y direction) of the vehicle 4 when the slide door is positioned rearward (opening direction) (the slide door is fully open). is moved forward, the regulating wall 70 faces downward (perpendicular to the X direction and the Y direction), and the slide door is positioned forward (closed direction) (sliding door fully closed state). , and the regulation wall 70 is arranged to face rearward in the traveling direction of the vehicle 4. - 特許庁That is, the corrugated guide 53 temporarily abuts the ends of the adjacent regulation walls 70 when the sliding door is in a half-open state as the sliding door is moved to open and close. It restricts bending beyond a predetermined limit state. Thus, the corrugated guide 53 prevents the wire harness 5 from hanging down when the slide door is in a half-open state.

When the slide door is opened and closed, the vehicle body side tube end and the door side tube end of the corrugated tube 52 and the corrugated guide 53 are supported by the vehicle body side holding portion 6 and the door side holding portion, respectively, and swing following the movement of the sliding door. move. As a result, the corrugated tube 52, that is, the wire harness 5 in which the wire bundle 51 is passed, moves along with the movement of the slide door while being deformed.

As shown in FIGS. 1 and 2, the vehicle body side holding portion 6 includes a vehicle body side base portion 61 fixed near the side sill of the vehicle body 2, a cover (not shown) assembled to the vehicle body side base portion 61, and a vehicle body side base portion. 61 and a vehicle body side swinging member 62 that is swingably held between the cover and the cover.

As shown in FIG. 2, the vehicle-body-side swinging member 62 is formed in the shape of a ball, and has a swinging portion in which a linear insertion hole 630 through which the wire bundle 51 is inserted is formed at a position passing through the center of the ball. 63 and a tubular portion 64 extending coaxially with the insertion hole 630 of the swinging portion 63 .

The wire bundle 51 , the corrugated tube 52 , and the corrugated guide 53 are inserted through the insertion holes 630 of the tubular portion 64 and the swinging portion 63 of the vehicle body-side swinging member 62 . Only the vehicle body side tube end portion of the corrugated tube 52 and the vehicle body side guide end portion of the corrugated guide 53 are fixed to the inner surface of the insertion hole 630 of the swing portion 63, and the vehicle body side end portion of the wire bundle 51 is inserted. It passes through the hole 630 to come out of the vehicle body side rocking member 62 and goes to the inside of the vehicle 4 via the vehicle body side base portion 61 .

As shown in FIG. 2, the swinging portion 63 is supported by supporting projections (not shown) formed on the inner surface of the vehicle body side base portion 61 and the cover. The rocking portion 63 is prevented from moving in the vehicle width direction (X direction) toward the exterior side of the vehicle 4, and moves between the vehicle body-side base portion 61 and the cover in the traveling direction (Y direction) and the vehicle width direction. It is supported so as to be swingable three-dimensionally in the XY plane including (X direction) and the space including the vertical direction.

The corrugated tube 52 and the corrugated guide 53 are loosely inserted into the tubular portion 64 . The inner diameter of the tubular portion 64 in the traveling direction Y is formed to be larger than the outer diameter of the corrugated tube 52 in the traveling direction Y. As shown in FIG. That is, the root portion including the vehicle body side tube end of the corrugated tube 52 supported by the swinging portion 63 and the root portion including the vehicle body side guide end of the corrugated guide 53 supported by the swinging portion 63 are cylindrical. It is loosely inserted into the portion 64 . A root portion of the wire harness 5 including the corrugated tube 52 is provided so as to be deformable in the advancing direction Y while being inserted into the cylindrical portion 64 . In this embodiment, the first piece member 7A, the first connecting band 8A, and a part of the second piece member 7B are inserted inside the cylindrical portion 64. As shown in FIG.

Next, the operation of this embodiment will be described with reference to FIGS. FIG. 3 is a conceptual diagram showing the wire harness 5 supported by the vehicle body-side swinging member 62, and shows the root portion of the wire harness 5 when the slide door is in a half-open state. FIG. 4 is a diagram showing the root portion of the wire harness 5 when the slide door is fully open. In FIGS. 3 and 4, the side walls defining the insertion hole 630 are indicated by dashed lines. As shown in FIG. 3, when the slide door is in a half-open state, the corrugated guide 53 of the wire harness 5 is arranged such that the regulation wall 70 faces downward, thereby preventing the wire harness 5 from hanging down. From the state shown in FIG. 3, following the movement of the sliding door, the root portion of the wire harness 5 rotates around the axis of the wire bundle 51 and is pulled rearward in the traveling direction (Y direction) and begins to deform. As the slide door moves further, the wire harness 5 is deformed and the corrugated guide 53 rotates so that the restricting wall 70 faces forward and the continuous body 8 faces rearward, as shown in FIG. At this time, the corrugated guide 53 allows the corrugated tube 52 to bend backward (predetermined permissible direction) in the direction of travel Y, and bend forward in the direction Y of travel (restricted direction on the opposite side) beyond a predetermined limit state. to regulate the curvature of the As the slide door moves further, the wire harness 5 is deformed in the allowable direction of the corrugated guide 53, and the base portion 71 of the second piece member 7B of the corrugated guide 53 moves toward the end portion of the cylindrical portion 64 on the slide door side. 64a through the corrugated tube 52. That is, the base portion 71 of the second piece member 7B is provided at a position where it can come into contact with the cylindrical portion 64 when the root portion of the wire harness 5 on the vehicle body side is deformed.

In such a power supply device 1, the wire harness 5 is loosely inserted into the cylindrical portion 64, so that the bending fulcrum of the wire harness 5 is positioned away from the swinging portion 63, and the wire harness 5 is placed on the vehicle body 2. The root portion of the side is curved with a gentle curve having a large radius of curvature when deformed by being pulled by the sliding door. Furthermore, since the corrugated guide 53 (supporting member) is brought into contact with the cylindrical portion 64 via the corrugated tube 52 (exterior member), the bending width of the root portion of the wire harness 5 on the vehicle body 2 side is restricted. , the local load acting on the base portion is reduced. That is, since the load acting on the root portion of the corrugated guide 53 is reduced, the bending durability of the corrugated guide 53 can be improved.

Further, in the power supply device 1, when the slide door moves and the root portion of the wire harness 5 on the vehicle body 2 side is deformed in the allowable direction, the corrugated guide 53 (supporting member) pushes the corrugated tube 52 (exterior member). It is configured to come into contact with the cylindrical portion 64 through the contact hole. According to this, the root portion of the wire harness 5 on the vehicle body 2 side has a gentle arc shape and is curved in the permissible direction. 53 can be brought into contact with the cylindrical portion 64 .

Further, the power supply device 1 is configured such that the base portion 71 of the second piece member 7B (piece member) on the connecting band 8 side comes into contact with the cylindrical portion 64 when the slide door moves. Since the base portion 71 of the piece member 7B(7) has a higher strength than other portions, it is possible to further improve the bending durability of the corrugated guide 53 (support member).

Further, when the slide door is moved, the power supply device 1 is a part of the connecting band 8 and is located between the first piece member 7A and the second piece member 7B. 8A is deformed so that the second piece member 7A comes into contact with the cylindrical portion 64. As shown in FIG. As a result, the bending fulcrum of the wire harness 5 is located away from the swinging portion 63, and the root portion of the wire harness 5 on the vehicle body 2 side is curved with a gentle curve having a large radius of curvature. A local load acting on the root portion is reduced. That is, since the load acting on the root portion of the corrugated guide 53 (supporting member) is reduced, the bending durability of the corrugated guide 53 can be improved.

In the above-described embodiment, the base portion 71 of the second piece member 7B of the corrugated guide 53 is configured to come into contact with the cylindrical portion 64 when the slide door is moved. is not limited to If the root portion of the wire harness 5 on the side of the vehicle body 2 is curved with a gentle curve having a large radius of curvature, the piece member 7 closer to the slide door than the second piece member 7B comes into contact with the cylindrical portion 64. Any position of the corrugated guide 53 (supporting member) may be in contact with the cylindrical portion 64 . According to this, substantially the same effect as that of the embodiment described above can be obtained.

In the above-described embodiment, the corrugated guide 53 (supporting member) is provided only at a predetermined portion including the vehicle body side tube end of the corrugated tube 52, but the present invention is not limited to this. The support member may have substantially the same length as the corrugated tube 52 (armor member).

In the above-described embodiment, the corrugated guide 53 (supporting member) has a plurality of piece members 7, and the plurality of piece members 7 are connected to the band plate-like connecting band 8, but the present invention is not limited to this. It is not limited. The support member may be simply a band plate that is placed along the wire bundle 51 inside the corrugated tube 52 , or may be formed to have an L-shaped or U-shaped cross section so as to extend around the wire bundle 51 . may be In this case, when the slide door moves and the root portion of the wire harness 5 on the vehicle body side is deformed, the supporting member may be configured to contact the cylindrical portion 64 via the corrugated tube 52 . .

In addition, although the best configuration, method, etc. for carrying out the present invention have been disclosed in the above description, the present invention is not limited thereto. That is, although the present invention has been particularly illustrated and described primarily with respect to particular embodiments, it may be modified in any manner to such embodiments without departing from the spirit and scope of the invention. , materials, quantity, and other detailed configurations can be modified in various ways by those skilled in the art. Therefore, the descriptions that limit the shape, material, etc. disclosed above are exemplified to facilitate understanding of the present invention, and do not limit the present invention. The description by the name of the member that removes all or part of the limitation such as is included in the present invention.

1 power supply device 2 vehicle body 4 vehicle 5 wire harness 6 vehicle body side holding portion 7A first piece member 7B second piece member 8 connecting belt 8A first connecting belt 51 electric wire bundle (electric wire)
52 corrugated tube (exterior member)
53 corrugated guide (support member)
63 Swing portion 64 Cylindrical portion 71 Base

Claims (4)

In a vehicle having a vehicle body and a sliding door, a power supply device for electrically connecting the vehicle body and the sliding door,
a wire harness routed between the vehicle body and the sliding door;
a vehicle body side holding portion for supporting the wire harness on the vehicle body,
The wire harness has an electric wire, an exterior member that is wrapped around the electric wire, and a support member that supports the exterior member,
The vehicle-body-side holding portion has a swinging portion that holds ends of the exterior member and the supporting member, and a cylindrical portion that extends coaxially with an insertion hole of the swinging portion,
When the wire harness is loosely inserted into the cylindrical portion and the sliding door moves to deform the root portion of the wire harness on the vehicle body side, the support member is inserted into the cylindrical portion through the exterior member. A power supply device, characterized in that it abuts on a part. The support member is configured to allow bending of the exterior member in a predetermined allowable direction and to restrict bending in the opposite control direction beyond a predetermined limit state,
When the slide door moves and the root portion of the wire harness on the vehicle body side is deformed in the allowable direction, the support member abuts against the cylindrical portion via the exterior member. The power supply device according to claim 1. The support member includes a plurality of piece members arranged in the axial direction of the electric wire,
The plurality of piece members are connected by a connecting belt,
The supporting member permits bending in the allowable direction by separating the ends of the adjacent piece members, and prevents bending in the restricting direction by contacting the ends of the adjacent piece members. configured to regulate
3. The power supply device according to claim 2, wherein when the slide door moves, a base portion of the piece member on the connecting band side abuts against the cylindrical portion. The plurality of piece members comprise a first piece member located closest to the vehicle body and a second piece member located adjacent to the slide door side of the first piece member,
Deformation of the first connecting band, which is a part of the connecting band and positioned between the first piece member and the second piece member, causes the second piece member to move toward the cylinder. 4. The power supply device according to claim 3, wherein the power supply device abuts on the shaped portion.

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