WIRE HARNESS WIRING STRUCTURE, LINK TYPE SLIDE DOOR, AND WIRE HARNESS

A wire harness wiring structure includes at least a main link arm and a wire. The main link arm has one end rotatably connected to the vehicle body and a different end rotatably connected to the door main body, and slidably supports the door main body with respect to the vehicle body while relatively rotating with respect to the vehicle body and the door main body. The wire is wired along the main link arm, and connects a connection target on the vehicle body side and a connection target on the door main body side. Then, the main link arm includes a groove portion that is formed into a groove shape along an extending direction in which the main link arm extends, and can accommodate the wire.

CROSS-REFERENCE TO RELATED APPLICATION(S)

The present application claims priority to and incorporates by reference the entire contents of Japanese Patent Application No. 2022-028835 filed in Japan on Feb. 28, 2022.

BACKGROUND OF THE INVENTION

1. Field of the Invention

The present invention relates to a wire harness wiring structure, a link type slide door, and a wire harness.

2. Description of the Related Art

For example, Japanese Patent Application Laid-open No. JP 2019-134626 A has conventionally described a wiring structure for a slide door. The wiring structure for a slide door includes a slide door including a slide portion to be guided by a guide portion provided on a vehicle body side, a flexible conductive member electrically connecting the slide door and the vehicle body side, and traversing a locus space through which the slide portion passes, and a plate-like elastic member arranged along the conductive member.

On the other hand, in a case where a link type slide door moving in a sliding manner by a link arm fixing a slide door and a vehicle body is formed as a slide door instead of a slide door including a slide portion, it is demanded to properly ensure a space for wiring wires between the vehicle body and the slide door, for example.

SUMMARY OF THE INVENTION

Thus, the present invention has been devised in view of the foregoing, and aims to provide a wire harness wiring structure, a link type slide door, and a wire harness that can properly wire a wire.

In order to achieve the above mentioned object, a wire harness wiring structure according to one aspect of the present invention includes a link arm that has one end rotatably connected to a vehicle body and a different end rotatably connected to a door main body, and is configured to slidably support the door main body with respect to the vehicle body while relatively rotating with respect to the vehicle body and the door main body; and a wire that is wired along the link arm and configured to connect a connection target on the vehicle body side and a connection target on the door main body side, wherein the link arm includes a groove portion that is formed into a groove shape along an extending direction in which the link arm extends, and can accommodate the wire.

A link type slide door according to another aspect of the present invention includes a door main body to be assembled to a vehicle body; a link arm that has one end rotatably connected to the vehicle body and a different end rotatably connected to the door main body, and is configured to slidably support the door main body with respect to the vehicle body while relatively rotating with respect to the vehicle body and the door main body; and a wire that is wired along the link arm and configured to connect a connection target on the vehicle body side and a connection target on the door main body side, wherein the link arm includes a groove portion that is formed into a groove shape along an extending direction in which the link arm extends, and can accommodate the wire.

A wire harness according to still another aspect of the present invention includes a wire that is wired along a link arm that has one end rotatably connected to a vehicle body and a different end rotatably connected to a door main body, and is configured to slidably support the door main body with respect to the vehicle body while relatively rotating with respect to the vehicle body and the door main body, configured to connect a connection target on the vehicle body side and a connection target on the door main body side, and accommodated into a groove portion of the link arm that is formed into a groove shape along an extending direction.

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS

A mode for carrying out the present invention (embodiment) will be described in detail with reference to the drawings. The present invention is not limited by the content described in the following embodiment. In addition, components described below include the ones easily-conceived by those skilled in the art, or the ones that are substantially identical. Furthermore, configurations described below can be appropriately combined. In addition, various omissions, substitutions, or modifications of configurations can be performed without departing from the scope of the present invention.

Embodiment

A wire harness wiring structure1, a link type slide door SD, and a wire harness WH according to an embodiment will be described with reference to the drawings.

Note that, in the following description, among a first direction, a second direction, and a third direction that intersect with each other, the first direction will be referred to as an “extending direction X”, the second direction will be referred to as a “width direction Y”, and the third direction will be referred to as a “height direction Z (intersecting direction Z)”. The extending direction X, the width direction Y, and the height direction Z intersect with each other, and are typically orthogonal to each other. The extending direction X is a direction extending along a direction (long side direction) in which a main link arm11to be described later extends, for example. The width direction Y is a direction extending along a short side direction of the main link arm11, for example. The height direction Z is a direction extending along a vehicle height direction (vehicle height direction) of a vehicle, and also is a direction extending along a vertical direction. A slide direction S of a door main body D is a direction extending along the extending direction X of the main link arm11in a state in which the door main body D is closed, and here, corresponds to a direction extending along an entire length direction of a vehicle body B. In other words, the slide direction S of the door main body D is a direction intersecting with a rotational axis (rotational axis portion12a,13ato be described later) of the main link arm11, and is typically a direction orthogonal to the rotational axis. Each direction to be used in the following direction refers to a direction in a state in which components are assembled to each other, unless otherwise specified.

The wire harness wiring structure1is applied to a vehicle, and slidably supports the door main body D with respect to the vehicle body B of the vehicle along the slide direction S (the entire length direction of the vehicle body B), and electrically connects a connection target BC1such as a device or a connector that is provided on the vehicle body B side, and a connection target DC1such as a device or a connector that is provided on the door main body D side. As illustrated inFIGS.1to4, the wire harness wiring structure1includes a wire W, a main link mechanism10, a sub link mechanism20, a cover portion30, and a binding member40. The wire W, the cover portion30, and the binding member40constitute the wire harness WH. In other words, the wire harness WH can also be said to include the wire W, the cover portion30, and the binding member40. In addition, the door main body D, the main link mechanism10, the sub link mechanism20, the cover portion30, the binding member40, and the wire W constitute the link type slide door SD. In other words, the link type slide door SD can also be said to include the door main body D, the main link mechanism10, the sub link mechanism20, the cover portion30, the binding member40, and the wire W.

Here, the wire harness wiring structure1is a wiring structure to be employed when the door main body D is moved in a sliding manner along the slide direction S with respect to the vehicle body B without using a general sliding guide rail, by supporting the door main body D using the main link mechanism10and the sub link mechanism20, and rotating the main link arm11and a sub link arm21, which will be described later. Hereinafter, the wire harness wiring structure1will be described in detail.

The wire W connects the connection target BC1provided on the vehicle body B side, and the connection target DC1provided on the door main body D side. The wire W includes a power line for supplying power, a communication wire for performing communication, and the like. The wire W is wired between the vehicle body B and the door main body D, for example, and connects the connection target BC1including a connector, a device, and the like on the vehicle body B side, and the connection target DC1including a connector, a device, and the like on the door main body D side.

The main link mechanism10is a mechanism that slidably supports the door main body D with respect to the vehicle body B together with the sub link mechanism20. The main link mechanism10includes the main link arm11, a first connection portion12, and a second connection portion13.

The main link arm11is a member that slidably supports the door main body D with respect to the vehicle body B. The main link arm11includes a first arm11aand a second arm11b.

The first arm11ais a metal member extending in the extending direction X and being formed into an elongated shape. The first arm11ais formed into a shape including a bend portion bending from the vehicle body B side toward the door main body D side, for example. Note that the shape of the first arm11ais not limited to such a bending shape as long as the first arm11acan slidably support the door main body D with respect to the vehicle body B. The first arm11aincludes a bottom surface portion11hand a pair of side wall portions11i. The bottom surface portion11his a portion positioned on one side (lower side) in the height direction Z, and is formed into an elongated shape and a plate-like shape along the extending direction X. The pair of side wall portions11iare each formed into an elongated shape and a plate-like shape along the extending direction X, erect along the height direction Z from both ends in the width direction Y of the bottom surface portion11h,and are positioned along the width direction Y at a fixed interval. A different side (upper side) in the height direction Z of the bottom surface portion11hof the first arm11ais opened, and both end portions in the extending direction X are closed. The first arm11ahaving such a configuration accommodates the wire W to be wired between the vehicle body B side and the door main body D side, into a groove portion11dformed by being surrounded by the bottom surface portion11hand the pair of side wall portions11i, which will be described later.

The second arm11bis formed similarly to the aforementioned first arm11a. More specifically, the second arm11bis a metal member extending in the extending direction X and being formed into an elongated shape. The second arm11bis formed into a shape including a bend portion bending from the vehicle body B side toward the door main body D side, for example. Note that the shape of the second arm11bis not limited to such a bending shape as long as the second arm11bcan slidably support the door main body D with respect to the vehicle body B. The second arm11bis arranged adjacently to the first arm11aalong the height direction Z The second arm11bincludes a bottom surface portion11mand a pair of side wall portions11n. The bottom surface portion11mis a portion positioned on one side (lower side) in the height direction Z, and is formed into an elongated shape and a plate-like shape along the extending direction X. The pair of side wall portions11nare each formed into an elongated shape and a plate-like shape along the extending direction X, erect along the height direction Z from both ends in the width direction Y of the bottom surface portion11m, and are positioned along the width direction Y at a fixed interval. A different side (upper side) in the height direction Z of the bottom surface portion11mof the second arm11bis opened, and both end portions in the extending direction X are closed. The second arm11bhaving such a configuration can accommodate the wire W to be wired between the vehicle body B side and the door main body D side, into a groove portion11eformed by being surrounded by the bottom surface portion11mand the pair of side wall portions11n,which will be described later.

Next, the first connection portion12will be described. As illustrated inFIG.2, the first connection portion12rotatably connects one end in the extending direction X of the main link arm11to the vehicle body B, and includes the rotational axis portion12aand a bearing portion12b.

The rotational axis portion12arotatably supports one end in the extending direction X of the main link arm11. The rotational axis portion12ais formed into a stick-like shape, extends along the height direction Z, and is inserted into a hole portion (cylindrical hole portion) at one end in the extending direction X of the main link arm11. Specifically, the rotational axis portion12ais inserted into a hole portion at one end in the extending direction X of the first arm11aand a hole portion at one end in the extending direction X of the second arm11bin the main link arm11. The rotational axis portion12ais provided with a stopper (not illustrated in the drawing) for keeping an interval between the first arm11aand the second arm11bconstant in the height direction Z. This stopper prevents the first arm11aand the second arm11bfrom generating a positional shift in the height direction Z. The rotational axis portion12aextending along the height direction Z supports one end of the first arm11aand one end of the second arm11bin such a manner as to be rotatable around the rotational axis portion12a.Note that the configuration of preventing the first arm11aand the second arm11bfrom generating a positional shift may be a configuration other than the above-described stopper.

The bearing portion12bconnects the rotational axis portion12ato the vehicle body B. The bearing portion12bincludes a fix plate12cand a pair of support plates12d.

The fix plate12cis a portion to be fixed to the vehicle body B. The fix plate12cis formed into a plate-like shape, extends along the height direction Z, and is fixed to the vehicle body B.

The pair of support plates12dsupport the rotational axis portion12a.The pair of support plates12dare each formed into a plate-like shape, erect along the width direction Y from both ends in the height direction Z of the fix plate12c,and are positioned along the height direction Z at a fixed interval. The rotational axis portion12ais provided between one support plate12dand a different support plate12dof the pair of support plates12d.The pair of support plates12deach include a hole portion for inserting the rotational axis portion12a,and one end of the rotational axis portion12ais inserted into the hole portion of one support plate12d,and a different end of the rotational axis portion12ais inserted into the hole portion of a different support plate12d.Retaining portions are provided at both end portions of the rotational axis portion12ainserted into the pair of support plates12d.In the bearing portion12bhaving the aforementioned configuration, in a state in which both ends of the rotational axis portion12ainserted into the first arm11aand the second arm11bare supported by the pair of support plates12d,the fix plate12cis fixed to the vehicle body B.

Next, the second connection portion13will be described. As illustrated inFIG.2, the second connection portion13rotatably connects a different end in the extending direction X of the main link arm11to the door main body D, and is formed similarly to the first connection portion12. More specifically, the second connection portion13includes a rotational axis portion13aand a bearing portion13b.

The rotational axis portion13arotatably supports the different end in the extending direction X of the main link arm11. The rotational axis portion13ais formed into a stick-like shape, extends along the height direction Z, and is inserted into a hole portion (cylindrical hole portion) at the different end in the extending direction X of the main link arm11. Specifically, the rotational axis portion13ais inserted into a hole portion at the different end in the extending direction X of the first arm11aand a hole portion at the different in the extending direction X of the second arm11bin the main link arm11. The rotational axis portion13ais provided with a stopper (not illustrated in the drawing) for keeping an interval between the first arm11aand the second arm11bconstant in the height direction Z. This stopper prevents the first arm11aand the second arm11bfrom generating a positional shift in the height direction Z. The rotational axis portion13aextending along the height direction Z supports the different end of the first arm11aand the different end of the second arm11bin such a manner as to be rotatable around the rotational axis portion13a.Note that the configuration of preventing the first arm11aand the second arm11bfrom generating a positional shift may be a configuration other than the above-described stopper.

The bearing portion13bconnects the rotational axis portion13ato the door main body D. The bearing portion13bincludes a fix plate13cand a pair of support plates13d.

The fix plate13cis a portion to be fixed to the door main body D. The fix plate13cis formed into a plate-like shape, extends along the height direction Z, and is fixed to the door main body D.

The pair of support plates13dsupport the rotational axis portion13a.The pair of support plates13dare each formed into a plate-like shape, erect along the width direction Y from both ends in the height direction Z of the fix plate13c,and are positioned along the height direction Z at a fixed interval. The rotational axis portion13ais provided between one support plate13dand a different support plate13dof the pair of support plates13d.The pair of support plates13deach include a hole portion for inserting the rotational axis portion13a,and one end of the rotational axis portion13ais inserted into the hole portion of one support plate13d,and a different end of the rotational axis portion13ais inserted into the hole portion of a different support plate13d.Retaining portions are provided at both end portions of the rotational axis portion13ainserted into the pair of support plates13d.In the bearing portion13bhaving the aforementioned configuration, in a state in which both ends of the rotational axis portion13ainserted into the first arm11aand the second arm11bare supported by the pair of support plates13d,the fix plate13cis fixed to the door main body D.

The main link arm11having the aforementioned configuration slidably supports the door main body D along the slide direction S with respect to the vehicle body B together with the sub link mechanism20while relatively rotating with respect to the vehicle body B and the door main body D.

Next, the sub link mechanism20will be described. The sub link mechanism20is provided adjacently to the main link mechanism10along the height direction Z. In this example, the sub link mechanism20is provided on the lower side in the height direction Z of the main link mechanism10, and slidably supports the door main body D with respect to the vehicle body B together with the main link mechanism10. The sub link mechanism20includes the sub link arm21, a first connection portion22, and a second connection portion23.

The sub link arm21is provided adjacently to the main link arm11along the height direction Z, and includes a first arm21aas illustrated inFIG.3.

The first arm21ais a metal member extending in the extending direction X and being formed into an elongated shape. The first arm21ais formed into a linear shape along the extending direction X, for example. Note that the shape of the first arm21ais not limited to such a linear shape as long as the first arm21acan slidably support the door main body D with respect to the vehicle body B. The first arm21aincludes a bottom surface portion21cand a pair of side wall portions21d.The bottom surface portion21cis a portion positioned on one side (lower side) in the height direction Z, and is formed into an elongated shape and a plate-like shape along the extending direction X. The pair of side wall portions21dare each formed into an elongated shape and a plate-like shape along the extending direction X, erect along the height direction Z from both ends in the width direction Y of the bottom surface portion21c,and are positioned along the width direction Y at a fixed interval. A different side (upper side) in the height direction Z of the bottom surface portion21cof the first arm21ais opened, and both end portions in the extending direction X are closed. The first arm21ahaving such a configuration can accommodate the wire W to be wired between the vehicle body B side and the door main body D side, into a groove portion21bformed by being surrounded by the bottom surface portion21cand the pair of side wall portions21d,which will be described later.

Next, the first connection portion22will be described. As illustrated inFIG.3, the first connection portion22rotatably connects one end in the extending direction X of the sub link arm21to the vehicle body B, and includes a rotational axis portion22aand a bearing portion22b.

The rotational axis portion22arotatably supports one end in the extending direction X of the sub link arm21. The rotational axis portion22ais formed into a stick-like shape, extends along the height direction Z, and is inserted into a hole portion (cylindrical hole portion) at one end in the extending direction X of the sub link arm21. Specifically, the rotational axis portion22ais inserted into the hole portion at one end in the extending direction X of the first arm21ain the sub link arm21. The rotational axis portion22aextending along the height direction Z supports one end of the first arm21ain such a manner as to be rotatable around the rotational axis portion22a.

The bearing portion22bconnects the rotational axis portion22ato the vehicle body B. The bearing portion22bincludes a fix plate22cand a pair of support plates22d.

The fix plate22cis a portion to be fixed to the vehicle body B. The fix plate22cis formed into a plate-like shape, extends along the height direction Z, and is fixed to the vehicle body B.

The pair of support plates22dsupport the rotational axis portion22a.The pair of support plates22dare each formed into a plate-like shape, erect along the width direction Y from both ends in the height direction Z of the fix plate22c,and are positioned along the height direction Z at a fixed interval. The rotational axis portion22ais provided between one support plate22dand a different support plate22dof the pair of support plates22d.The pair of support plates22deach include a hole portion for inserting the rotational axis portion22a,and one end of the rotational axis portion22ais inserted into the hole portion of one support plate22d,and a different end of the rotational axis portion22ais inserted into the hole portion of a different support plate22d.Retaining portions are provided at both end portions of the rotational axis portion22ainserted into the pair of support plates22d.In the bearing portion22bhaving the aforementioned configuration, in a state in which both ends of the rotational axis portion22ainserted into the first arm21aare supported by the pair of support plates22d, the fix plate22cis fixed to the vehicle body B.

Next, the second connection portion23will be described. As illustrated inFIG.3, the second connection portion23rotatably connects a different end in the extending direction X of the sub link arm21to the door main body D, and is formed similarly to the first connection portion22. More specifically, the second connection portion23includes a rotational axis portion23aand a bearing portion23b.

The rotational axis portion23arotatably supports the different end in the extending direction X of the sub link arm21. The rotational axis portion23ais formed into a stick-like shape, extends along the height direction Z, and is inserted into a hole portion (cylindrical hole portion) at the different end in the extending direction X of the sub link arm21. Specifically, the rotational axis portion23ais inserted into the hole portion at the different end in the extending direction X of the first arm21ain the sub link arm21. The rotational axis portion23aextending along the height direction Z supports the different end of the first arm21ain such a manner as to be rotatable around the rotational axis portion23a.

The bearing portion23bconnects the rotational axis portion23ato the door main body D. The bearing portion23bincludes a fix plate23cand a pair of support plates23d.

The fix plate23cis a portion to be fixed to the door main body D. The fix plate23cis formed into a plate-like shape, extends along the height direction Z, and is fixed to the door main body D.

The pair of support plates23dsupport the rotational axis portion23a.The pair of support plates23dare each formed into a plate-like shape, erect along the width direction Y from both ends in the height direction Z of the fix plate23c,and are positioned along the height direction Z at a fixed interval. The rotational axis portion23ais provided between one support plate23dand a different support plate23dof the pair of support plates23d.The pair of support plates23deach include a hole portion for inserting the rotational axis portion23a,and one end of the rotational axis portion23ais inserted into the hole portion of one support plate23d,and a different end of the rotational axis portion23ais inserted into the hole portion of a different support plate23d.Retaining portions are provided at both end portions of the rotational axis portion23ainserted into the pair of support plates23d.In the bearing portion23bhaving the aforementioned configuration, in a state in which both ends of the rotational axis portion23ainserted into the first arm21aare supported by the pair of support plates23d, the fix plate23cis fixed to the door main body D.

The sub link arm21having the aforementioned configuration slidably supports the door main body D with respect to the vehicle body B together with the main link arm11while relatively rotating with respect to the vehicle body B and the door main body D.

As a structure of wiring the wire W to the aforementioned link type slide door SD, the wire harness wiring structure1includes the groove portions11dand11eprovided on the main link arm11, the groove portion21bprovided on the sub link arm21, the cover portion30, and the binding member40.

The groove portion11dis a region provided on the first arm11aof the main link arm11, and formed by being surrounded by the bottom surface portion11hand the pair of side wall portions11iof the first arm11a. The groove portion11dis formed into a groove shape along the extending direction X in the first arm11a,and the cross-section of the groove portion11dis formed into a rectangular shape (refer toFIG.5). The groove portion11dincludes an accommodation space portion that can accommodate the wire W, and can accommodate the wire W to be wired along the first arm11abetween the vehicle body B side and the door main body D side, into the accommodation space portion. In this example, an example in which the wire W is actually accommodated in the accommodation space portion is illustrated.

The groove portion11eis a region provided on the second arm11bof the main link arm11, and formed by being surrounded by the bottom surface portion11mand the pair of side wall portions11nof the second arm11b. The groove portion11eis formed into a groove shape along the extending direction X in the second arm11b, and the cross-section of the groove portion11eis formed into a rectangular shape (refer toFIG.5). The groove portion11eincludes an accommodation space portion that can accommodate the wire W, and can accommodate the wire W to be wired along the second arm11bbetween the vehicle body B side and the door main body D side, into the accommodation space portion. In this example, an example in which the wire W is not accommodated in the accommodation space portion is illustrated.

The groove portion21bis a region provided on the first arm21aof the sub link arm21, and formed by being surrounded by the bottom surface portion21cand the pair of side wall portions21dof the first arm21a.The groove portion21bis formed into a groove shape along the extending direction X in the first arm21a,and the cross-section of the groove portion21bis formed into a rectangular shape. The groove portion21bincludes an accommodation space portion that can accommodate the wire W, and can accommodate the wire W to be wired along the first arm21abetween the vehicle body B side and the door main body D side, into the accommodation space portion. In this example, an example in which the wire W is not accommodated in the accommodation space portion is illustrated.

Next, the cover portion30will be described. The cover portion30is a portion for closing an opening of the groove portion11dof the main link arm11, for example, and includes a closing portion31and a holding portion32as illustrated inFIG.4.

The closing portion31closes an opening of the groove portion11d,is formed into an elongated shape and a plate-like shape along the extending direction X, and is formed to be slightly larger than the opening of the groove portion11d.The closing portion31closes the opening of the groove portion11dby covering the opening of the groove portion11dalong the height direction Z. In a state in which a portion for drawing out the wire W in the groove portion11dthat is accommodated in the groove portion11d,to the outside, for example (i.e., a portion of the opening of the groove portion11d) is opened, the closing portion31closes a remaining portion of the opening of the groove portion11d.That is, the closing portion31does not close the portion for drawing out the wire W in the groove portion11dto the outside. Specifically, in a state in which a portion for drawing out the wire W in the groove portion11dtoward the vehicle body B side on one side in the extending direction X of the groove portion11d,and a portion for drawing out the wire W in the groove portion11dtoward the door main body D side on a different side in the extending direction X of the groove portion11dare opened, the closing portion31closes a remaining portion of the opening of the groove portion11d.

The holding portion32holds the wire W, and includes a pair of wall portions32a(refer toFIG.5). The pair of wall portions32aare each formed into an elongated shape and a plate-like shape along the extending direction X, erect toward the groove portion11dside along the height direction Z from both sides in the width direction Y of the closing portion31of the cover portion30, and are positioned along the width direction Y at a fixed interval. An interval in the width direction Y between the wall portion32aon one side and the wall portion32aon a different side of the pair of wall portions32ais equal to or smaller than a diameter of the wire W. By sandwiching the wire W between the wall portion32aon one side and the wall portion32aon a different side, the pair of wall portions32ahold the wire W.

Next, the binding member40will be described. The binding member40is a member that fixes the wire W to the cover portion30by binding. The binding member40is formed into a belt-like shape as illustrated inFIG.5, and is inserted along the width direction Y into a hole portion provided on the closing portion31side of the holding portion32. Then, the binding member40is inserted into a clearance gap between the wire W held by the holding portion32, and the closing portion31, and the wire W is fixed to the holding portion32by binding the holding portion32and the wire W by the inserted binding member40. The binding members40are provided at two points at a fixed interval along the extending direction X of the cover portion30, and fix the wire W to the holding portion32on one side in the extending direction X of the cover portion30and a different side in the extending direction X of the cover portion30.

As mentioned above, the wire harness WH includes the wire W, the cover portion30, and the binding member40, and is wired over the vehicle body B and the door main body D by being assembled to the groove portion11dof the main link arm11of the vehicle body B in a state in which the wire W, the cover portion30, and the binding member40are assembled to each other, for example. With this configuration, the wire harness WH improves assembly workability with respect to the vehicle body B. That is, here, the cover portion30is assembled to the groove portion11dof the first arm11ain a state in which the wire W is held by the holding portion32and the wire W is fixed to the holding portion32by the binding member40. At this time, the cover portion30is fixed to the groove portion11dby an engagement portion (not illustrated in the drawing) provided on the cover portion30, being engaged with an engaged portion (not illustrated in the drawing) provided on the groove portion11d,for example. Then, the wire W is accommodated into the accommodation space portion of the groove portion11dof the first arm11a,wired along the first arm11ain a state in which the opening of the groove portion11dis closed by the cover portion30, and electrically connects the connection target BC1on the vehicle body B side and the connection target DC1on the door main body D side.

In the wire harness wiring structure1having the aforementioned configuration, the main link arm11is rotated by a drive unit (not illustrated in the drawing) including a motor or the like that is provided in the vehicle body B, for example. The drive unit is connected to a rotational axis of the main link arm11via a gear or the like that transmits rotational force, for example, and rotates the main link arm11by rotating the rotational axis. By the main link arm11being rotated by the drive unit, the main link arm11and the sub link arm21relatively rotate with respect to the vehicle body B and the door main body D, and the wire harness wiring structure1moves the door main body D in a sliding manner along the slide direction S with respect to the vehicle body B from a fully-closed position to a fully-opened position, or from the fully-opened position to the fully-closed position. That is, by being rotated by the drive unit, the main link arm11relatively rotates with respect to the vehicle body B and the door main body D using the rotational axis portion12aof the first connection portion12and the rotational axis portion13aof the second connection portion13as rotational axes. At this time, by the main link arm11being rotated by the drive unit, the sub link arm21relatively rotates with respect to the vehicle body B and the door main body D using the rotational axis portion22aof the first connection portion22and the rotational axis portion23aof the second connection portion23as rotational axes. Then, the wire W wired along the main link arm11and accommodated in the accommodation space portion of the groove portion11delectrically connects the connection target BC1on the vehicle body B side and the connection target DC1on the door main body D side also while the main link arm11is rotating.

As described above, the wire harness wiring structure1according to an embodiment includes at least the main link arm11and the wire W. The main link arm11has one end rotatably connected to the vehicle body B and a different end rotatably connected to the door main body D, and slidably supports the door main body D with respect to the vehicle body B while relatively rotating with respect to the vehicle body B and the door main body D. The wire W is wired along the main link arm11, and connects a connection target on the vehicle body B side and a connection target on the door main body D side. Then, the main link arm11includes the groove portion11dthat is formed into a groove shape along the extending direction X in which the main link arm11extends, and can accommodate the wire W.

With this configuration, the wire harness wiring structure1can ensure a wiring space for wiring the wire W between the vehicle body B and the door main body D, by the groove portion11dof the main link arm11. Furthermore, by wiring the wire W to be wired between the vehicle body B and the door main body D, with being accommodated in the groove portion11dof the main link arm11, the wire harness wiring structure1can prevent the wire W from being exposed to the outside, and can prevent the wire W from getting snagged, as compared with a case where the wire W is exposed to the outside as in the conventional case. Consequently, the wire harness wiring structure1can properly wire the wire W between the vehicle body B and the door main body D.

The wire harness wiring structure1further includes the cover portion30that closes an opening on the side in the height direction Z intersecting with the extending direction X of the groove portion11d.With this configuration, the wire harness wiring structure1closes the opening of the groove portion11dusing the cover portion30in a state in which the wire W is accommodated in the groove portion11dof the main link arm11. It is therefore possible to protect the wire W. In addition, the wire harness wiring structure1can hide the wire W from the outside using the cover portion30, and achieve better looking. In addition, by applying elaborations to the cover portion30of the main link arm11, the wire harness wiring structure1can omit the additional application of elaborations to the main link arm11.

In the wire harness wiring structure1, the cover portion30includes the closing portion31that closes the opening of the groove portion11d,and the holding portion32that is provided in the closing portion31, and holds the wire W. With this configuration, the wire harness wiring structure1can wire the wire W with being accommodated in the groove portion11d,by assembling the cover portion30in a state of holding the wire W by the holding portion32, to the groove portion11dof the main link arm11. That is, the wire harness wiring structure1can simultaneously perform a work of closing the opening of the groove portion11d,and a work of wiring the wire W with being accommodated in the groove portion11d.

The wire harness wiring structure1further includes the binding member40that is formed into a belt-like shape, and fixes the wire W to the cover portion30by binding the cover portion30and the wire W. With this configuration, the wire harness wiring structure1can maintain the state in which the wire W is fixed to the cover portion30, even after the wire W is wired with being accommodated in the groove portion11d,and prevent the wire W from rattling in the groove portion11ddue to the vibration generated when the door main body D is opened or closed.

The link type slide door SD includes the door main body D to be assembled to the vehicle body B, the main link arm11, and the wire W, and the main link arm11includes the groove portion11dthat is formed into a groove shape along the extending direction X in which the main link arm11extends, and can accommodate the wire W. With this configuration, the link type slide door SD can ensure a wiring space for wiring the wire W between the vehicle body B and the door main body D, by the groove portion11dof the main link arm11, and properly wire the wire W between the vehicle body B and the door main body D.

The wire harness WH includes the wire W that is wired along the main link arm11, connects the connection target BC1on the vehicle body B side and the connection target DC1on the door main body D side, and is accommodated into the groove portion11dof the main link arm11that is formed into a groove shape along the extending direction X. With this configuration, the wire harness WH can properly wire the wire W between the vehicle body B and the door main body D by the wire W being accommodated into the groove portion11dof the main link arm11.

Modified Example

The description has been given of an example in which the wire harness wiring structure1includes the cover portion30that closes the opening on the height direction Z side of the groove portion11d, but the configuration is not limited to this, and the wire harness wiring structure1need not always include the cover portion30.

The description has been given of an example in which the cover portion30includes the holding portion32that holds the wire W, but the configuration is not limited to this, and the cover portion30need not always include the holding portion32.

The description has been given of an example in which the wire harness wiring structure1includes the binding member40that fixes the wire W to the cover portion30, but the configuration is not limited to this, and the wire harness wiring structure1need not always include the binding member40.

The description has been given of an example in which the wire harness wiring structure1includes a drive unit, and by the main link arm11being rotated by the drive unit, the main link arm11and the sub link arm21relatively rotate with respect to the vehicle body B and the door main body D, but the configuration is not limited to this. For example, the drive unit need not be always included, and the main link arm11and the sub link arm21may relatively rotate with respect to the vehicle body B and the door main body D by a slide operation of the door main body D that is performed by an occupant of a vehicle.

The description has been given of an example in which the groove portions11d,11e, and21bare formed to have rectangular cross-sections, but the configuration is not limited to this. For example, the groove portions11d,11e, and21bmay be formed to have U-shaped, C-shaped, H-shaped cross-sections, or the like in which bottom surfaces are curved.

The description has been given of an example in which the bottom surface portion11hof the groove portion11dis positioned on one side (lower side) in the height direction Z, and a different side (upper side) in the height direction Z of the bottom surface portion11his opened, but the configuration is not limited to this. For example, the bottom surface portion11hmay be positioned on one side in the width direction Y, and a different side in the width direction Y of the bottom surface portion11hmay be opened. In this case, the pair of side wall portions11iare provided on both sides in the height direction Z. The same applies to the groove portions11eand21b,and the bottom surface portions11mand21cmay be each positioned on one side in the width direction Y, and a different side in the width direction Y of each of the bottom surface portions11mand21cmay be opened. In this case, the pair of side wall portions11nor21dare provided on both sides in the height direction Z.

The description has been given of an example in which the main link arm11rotates using the rotational axis portions12aand13aat both ends of one arm member as rotational axes, but the configuration is not limited to this. For example, an arm may be divided in the extending direction X, and divided arms may be connected using a link. In this case, it is sufficient that groove portions are formed in the respective divided arms, the groove portions continue over the respective divided arms, and the wire W is wired in the groove portions continuous over the respective divided arms.

The description has been given of an example in which the sub link arm21rotates using the rotational axis portions22aand23aat both ends of one arm member as rotational axes, but the configuration is not limited to this. For example, an arm may be divided in the extending direction X, and divided arms may be connected using a link. In this case, it is sufficient that groove portions are formed in the respective divided arms, the groove portions continue over the respective divided arms, and the wire W is wired in the groove portions continuous over the respective divided arms.

The description has been given of an example in which the wire harness wiring structure1includes two link mechanisms corresponding to the main link mechanism10and the sub link mechanism20, but the configuration is not limited to this, and the wire harness wiring structure1may include one link mechanism (for example, mechanism including the main link mechanism10without including the sub link mechanism20).

The description has been given of an example in which the main link mechanism10wires the wire W to the first arm21a,and does not wire the wire W to the second arm11b, but the configuration is not limited to this, and the wire W may also be wired to the second arm11b. In this case, in a state in which the wire W is accommodated in the groove portion11eof the second arm11b, the opening of the groove portion11eof the second arm11bis closed by the cover portion30.

The description has been given of an example in which the sub link mechanism20does not wire the wire W to the first arm21a,but the configuration is not limited to this, and the wire W may be wired to the first arm21a.In this case, in a state in which the wire W is accommodated in the groove portion21bof the first arm21a,the opening of the groove portion21bof the first arm21ais closed by the cover portion30.

The wire harness wiring structure and the link type slide door according to the present embodiments can ensure a wiring space for wiring the wire between the vehicle body and the door main body, by the groove portion of the link arm. Accordingly, it is possible to properly wire the wire. In addition, the wire harness according to the present invention includes the wire accommodated in the groove portion of the link arm. It is therefore possible to properly wire the wire.