JP2002127847A - Door harness laying structure of slide door - Google Patents

Abstract

PROBLEM TO BE SOLVED: To suppress an increase in cost and weight by simplifying a structure, prevent the opening width of a slide door from being restricted by eliminating the need of a storage space in sliding direction, and reduce the effect on a body structure. SOLUTION: A harness guide 9 compress a large number of intermediate pieces 92 connected between a tip piece 91 and a base piece 93, displaces from an extended state of being extremely gently bent, i.e., from an almost liner state to a generally U-shaped bent state, and is formed so as to be bent in one horizontal direction and not to be bent in the other horizontal direction. A harness 7 is laid on the inside of the harness guide 9, the harness guide 9 fixes the base piece 93 generally at the lateral center part of a door opening part 1, and the top piece 91 is installed rotatably at the tip of a lower roller bracket 4 so as to be deformable from the extended state shown at (A) in the figure to a final bent state shown at (C) through the generally U-shaped bent state shown at (B).

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a sliding door device, and more particularly, to a technique for supplying power to electrical components mounted on the sliding door regardless of whether the sliding door is open or closed.

[0002]

2. Description of the Related Art A slide door is slid in its entirety with respect to a vehicle body. When an electrical structure provided in the slide door is constantly connected to a vehicle body, a door harness for the connection is required. It is necessary to allow the relative displacement between the sliding door and the vehicle body. For this reason, conventionally, without using such a door harness, only when the slide door is fully closed, the contact between the slide door side and the vehicle body side is coupled to supply power between the slide door and the vehicle body. They exchanged electrical signals.

However, in such a technique, even if the slide door is slightly opened, electric components such as a light and a power window provided on the slide door cannot be operated. In the above, the number of signals required to be exchanged has increased, and the contacts have become larger, making it difficult to install the contacts.

Therefore, it has been proposed to solve such a problem by the above-described wiring technique using the door harness. For example, Japanese Patent Application Laid-Open No.
The technology described in Japanese Patent Application Laid-Open No. 1-166357 and Japanese Patent Application Laid-Open No. 11-255041 is known.

In the former technique disclosed in Japanese Patent Application Laid-Open No. H11-166357, a guide shaft is provided in a door driving device, and a curl cord for power supply which is guided by the guide shaft to expand and contract is provided. Accordingly, the curl cord extends and contracts along the guide shaft. Therefore, electric signals such as power supply can be transmitted to the slide door via the curl cord regardless of the open / closed state of the slide door. Further, when the sliding door is opened and closed, the curl cord does not expand and contract, so that there is no problem in sliding the sliding door. In the latter technique, a flexible arm is provided between a slide door and a vehicle body, and a slider is attached to a tip end of the flexible arm on the slide door side. Wiring that slides along a slider rail provided with a slide door side circuit body provided on the slide door, and in which the vehicle body side circuit body and the slide door side circuit body are routed in a flexible arm. Connected through. Therefore, it is possible to constantly transmit an electric signal such as power supply to the sliding door side circuit body via the wiring. When the sliding door is opened and closed, the displacement of the sliding door in the vehicle width direction follows by the rotation of the flexible arm, and the relative movement in the front-rear direction due to the sliding of the sliding door is performed at the tip of the flexible arm. The slider and the slider rail follow each other by relative sliding, so that sliding of the sliding door is not hindered.

[0006]

However, the above-mentioned prior art has the following problems to be solved. First, in the former technique disclosed in Japanese Patent Application Laid-Open No. H11-166357, the curl cord is contracted by the end of the lower roller bracket as the slide door is opened. The roller door has a certain length and requires a space for storage, and this space must be provided behind the roller bracket (opening direction). On the other hand, it gives dimensional restrictions. In other words, when the opening width when fully opened is reduced by the storage space in the shortened state of the curl cord, or when the opening width is secured as necessary, the configuration of the guide rods and guide rails is changed from the conventional one. It is also necessary to provide a through-hole or the like behind the door opening and arrange it, which greatly affects the vehicle body structure and the like.

[0007] In the latter technique disclosed in Japanese Patent Application Laid-Open No. H11-255041, a slider, a slide door side circuit and a slide rail which slide relative to each other following the opening / closing slide of the slide door in the electricity supply path are provided with a slide door. , And the device becomes complicated, resulting in an increase in cost and weight.

The present invention has been made in view of the above-mentioned conventional problems, and has a simple structure capable of suppressing an increase in cost and weight and requiring no storage space in the sliding direction. The purpose is to not limit the opening width of the sliding door and to reduce the influence on the vehicle body structure.

[0009]

In order to achieve the above-mentioned object, a door harness wiring structure for a sliding door according to the present invention comprises a sliding door for opening and closing a door opening (1) provided on a side of a vehicle body. Lower roller bracket (4) on lower front
A lower guide rail (2) for guiding a lower roller (6) provided on the lower roller bracket (4) is provided on a vehicle body below the door opening (1), and the vehicle body and a slide door are provided. A harness guide (9) is formed so that the door harness (7) that transmits and receives electric signals including power supply is extended from the vehicle body to the slide door, and is formed so as to include the door harness (7). However, adjacent pieces can be continuously connected to each other while being rotatable to one side about a vertical axis and the other is regulated at a predetermined position, and the whole is substantially flat when viewed from the extended state. The lower guide rail (2) is provided with a sliding door at the front end of the lower guide rail (2) in the vehicle center direction just before the sliding door is fully closed, while being able to bend into a U-shape while being unbendable from the extended state to the other. Displace A harness guide space (2a) is provided between the lower guide rail (2) and the door opening (1) to allow movement of the harness guide (9). 8), and a front space (8a) is formed between the curved portion (2a) and the door opening (1) in the harness guide space (8). And
The harness guide (9) is disposed in the harness guide space (8), and has a base end piece (93) provided at a base end substantially at the center of the door opening (1) of the vehicle body in the front-rear direction. While being fixed behind the position, a tip piece (91) provided at the tip is rotatably attached to the lower roller bracket (4) via a vertical support shaft (91a). An intermediate piece (92) provided continuously between the base piece (93) and the tip piece (91) faces the vehicle interior with the surface inside the U-shape facing the passenger compartment when bent, with the sliding door closed. The structure is such that it is arranged to face the door side when the sliding door is open. According to a second aspect of the present invention, in the door harness wiring structure of the first aspect, the lower space is provided in the front space (8a) when the slide door is fully closed. A roller bracket (4) is provided, and when the slide door is fully closed, a substantially triangular empty space (8b) is formed between the tip of the lower roller bracket (4) and the lower guide rail. The tip piece (91) is rotatably attached to the tip of the lower roller bracket (4) such that the tip piece (91) is disposed in the triangular empty space (8b) when the slide door is fully closed. It is characterized by having.
According to a third aspect of the present invention, in the door harness wiring structure for a sliding door according to the first or second aspect, the lower guide rail (2) and the harness guide (9).
Is installed between a step board of the vehicle body and a step panel lower board (5b) provided at a distance below the step board, and the harness guide (9) is provided with the step board and the step panel lower board (5b). 5b) is characterized in that it is attached with a gap in the vertical direction.

[0010]

The electrical components provided in the slide door and the vehicle body are connected via a door harness included in a harness guide, and electrical signals are constantly exchanged. Here, when the slide door is fully closed, the harness guide moves the portion inside the bend from the base end fixed rearward of the approximate center of the door opening in the front-rear direction to the front end attached to the lower roller bracket. In a state facing the center, the harness guide extends in the front space of the harness guide space in an extended state that is substantially straight or a U-shape having a large radius.

When the slide door is opened and slid from the fully closed state, the lower roller bracket is displaced outside the vehicle along the curved portion of the lower guide rail, moves rearward, and then moves rearward. Along with this, the tip piece of the harness guide moves toward the base piece while moving backward while displacing it outside the vehicle, and moves backward.The harness guide moves the tip piece to the base piece. When approaching and moving rearward, the intermediate piece curves in a substantially U-shape as a whole, and thereafter, when the slide door is fully opened, the harness guide curves in a substantially U-shape. When the shape of the harness guide changes between the stretched state and the bent state as described above, the bending direction of the harness guide is restricted to one side, so that the repetitive operation can be performed reliably and reliably. That is,
If the bending direction is not limited, when the relative distance between the distal piece and the proximal piece decreases, the middle part of the harness guide may meander and malfunction, but this is always prevented by preventing this. Can operate normally.

As described above, in the present invention, since the door harness is included in the harness guide and the harness guide is deformed as the sliding door is opened and closed, the connection by the door harness is maintained. In addition, the door harness can follow the movement of the sliding door, so that the door harness is not broken or caught by anything and cut. Furthermore, the above-mentioned harness guide has a simple configuration in which a plurality of pieces are joined together, so that the mounting work is easier and the manufacturing cost can be reduced as compared with the related art. Furthermore, in the present invention, the harness guide is routed rearward of the lower roller bracket when the slide door is fully closed, and is routed forward of the lower roller bracket when the slide door is fully opened. There is no restriction on the amount of sliding due to the sliding direction, and there is no need to reduce the opening width of the sliding door or change the configuration of the vehicle body when the opening width is secured. In addition, in the present invention, since the harness guide is displaced in the horizontal direction and not displaced in the vertical direction,
The vertical dimension of the harness guide space can be suppressed, and the restriction on the vertical dimension of the vehicle body can be suppressed to improve the degree of freedom in design.

Further, in the invention according to claim 2,
The tip piece of the harness guide is attached to the tip of the lower roller bracket, and when the slide door is fully closed, it is arranged in the front space of the harness guide space, and further in a triangular empty space that is an empty space,
The sliding door can effectively utilize the vehicle space, and furthermore, arranges the tip piece at a position as far as possible from the base piece to keep the harness guide as extended as possible to prevent the harness guide from being loosened. When the door is opened and closed, the harness guide can operate smoothly, and the door opening width can be ensured by preventing further dimensional restrictions on the door opening width.

According to the third aspect of the present invention, when the harness guide extends and bends with the sliding of the slide door, the harness guide is connected to the upper step plate or the lower step panel lower substrate. No rubbing. Therefore, the operation of the harness guide can be performed smoothly, and the durability can be improved.

[0015]

Embodiments of the present invention will be described below with reference to the drawings. FIG. 1 is a plan view showing a door harness wiring structure of a sliding door according to an embodiment, and FIG. 2 is a perspective view of the same. As shown in both figures, like a so-called one-box car, a door opening 1
Is provided, and a slide door (not shown) for opening and closing the door opening 1 is slidably supported in the vehicle front-rear direction. That is, a lower guide rail 2 is provided below the door opening 1, and an upper guide rail (not shown) is provided above the door opening 1 (not shown). A rear guide rail (not shown) is provided along the side wall 3, and a roller bracket (only a lower roller bracket 4 is shown) having a slidable roller on each guide rail is provided at the lower and upper portions of the front end of the slide door and at the lower end. The slide door is slidably supported by an intermediate portion of the rear end portion.

In the figure, F is a floor panel,
At a position near the door opening 1, a step installation portion F
Notched as 1. The step installation portion F1 is provided with a step panel upper substrate 5a that is welded to the lower surface of the floor panel F, bent downward from the lower surface, and extends horizontally one step below the floor panel F. A step panel lower substrate 5b is provided, which is bent downward integrally from the step panel upper substrate 5a and further extends downward by one step. A front vertical wall (not shown) and a rear vertical wall 5d are welded to the front and rear of the step panel upper substrate 5a and the step panel lower substrate 5b. The outer portions are welded to the lower portions of the vehicle body side walls before and after the door opening 1, respectively. A step plate 5e (FIG. 8) extending horizontally from the upper surface of the step panel upper substrate 5a to the side of the step panel lower substrate 5b with a gap is fixed by screws or the like. The lower guide rail 2 is fixed to a vertical wall 5c formed between the step panel upper substrate 5a and the step panel lower substrate 5b. As shown in FIG. 8, a lower roller 6 for rolling the lower guide rail 2 is rotatably attached to the lower roller bracket 4 via a swing bracket 61, and the swing bracket 61 is attached to the lower roller bracket. 4 is swingably supported in the horizontal direction. The lower roller 6 includes a load roller 6a mounted on a horizontal shaft and receiving a load of the slide door, and a thrust roller mounted on a vertical shaft above and below the load roller 6a to guide the movement of the slide door in the vehicle width direction. 6b. In FIGS. 1 and 2, the lower roller bracket 4 is shown in two places, which show the positions when fully closed (CL) and fully opened (OP), respectively. 21 is a weather strip. Reference numeral 22 denotes an outer panel of the pillar, which is partially illustrated and cut away so that the steps can be seen. Reference numeral 23 denotes a concave portion to which a lower portion of a pillar inner panel (not shown) is welded. The pillar inner panel is omitted so that the steps can be seen.

As shown in the drawing, the lower guide rail 2 has a curved portion 2a at the front end, which is displaced toward the center of the vehicle toward the front. A harness guide space 8 for a door harness 7, which will be described later, is secured between the lower guide rail 2 and the door opening 1. The harness guide space 8 includes a lower guide rail 2 having a curved portion 2a. Due to being curved, a front space 8a is formed at the front end, which spreads in a substantially triangular shape (see FIG. 3).

A harness guide 9 is provided in the harness guide space 8. This harness guide 9
Includes the door harness 7 and includes many pieces 9
1, 92 and 93 are continuously connected to form a deformable state from a stretched state indicated by A in FIGS. 1 and 2 to a substantially U-shaped bent state indicated by B and a final J-shaped bent state indicated by C in FIGS. (Details will be described later).

The door harness 7 includes a line for supplying power to a motor (not shown) of an automatic closure device and a motor of a power window device provided inside the sliding door, a line for controlling the operation of these devices, and the like. And a plurality of lines such as a line for sending a signal indicating the operation state of these devices to a controller (not shown). It is routed from the approximate center in the front-rear direction of the portion 1 through an inner space 9c to be described later of the harness guide 9, and further through the lower roller bracket 4 into the slide door. The door harness 7 arranged on the step panel lower substrate 5b is fixed to the step panel lower substrate 5b by a clamp 7a. The harness guide 9, the door harness 7 passing over the lower board 5b of the step panel, and the lower guide rail 2 are covered and not exposed after being disposed by the above-described step plate 5e, so that they are not stepped on when getting on and off, and are beautiful. Is also good.

Next, each detail will be described. First, the harness guide 9 will be described. The harness guide 9 is formed by connecting a number of intermediate pieces 92 between a distal piece 91 and a proximal piece 93. That is, as shown in FIG. 4, the intermediate piece 92 is provided with two vertical pieces 92a, 92a opposed to each other at the center, and is integrally connected to the upper and lower sides of the vertical pieces 92a, 92a to face the upper and lower sides. Two substantially elliptical horizontal pieces 92b, 9 provided
2c. Then, one side and the other side of the horizontal pieces 92b and 92c are formed to be slightly shifted in height vertically,
On the lower side, vertical rotating shafts 92d, 92d are vertically projected, while on the higher side, rotating holes 92e, 92e through which the rotating shaft 92d is inserted are formed. The harness guides 9 are formed continuously in a chain in a row as shown in FIG. 5 by inserting the rotating shafts 92d of the intermediate pieces 92 into the rotating holes 92e of the adjacent intermediate pieces 92, respectively.

Furthermore, the harness guide 9 restricts the relative rotation of the adjacent intermediate pieces 92 to one side, so that the harness guide 9 is curved in a U-shape in one horizontal direction from a substantially linear extended state. The other side is formed so as not to bend. That is, as shown in FIG. 4, in the horizontal pieces 92 b and 92 c of
On the inner surface on the side where e is formed, a rotation restricting portion 92f is protruded, and in a state where the intermediate pieces 92 are connected,
The side face of the rotation restricting portion 92f and the adjacent intermediate piece 9
The horizontal end faces 92h of the two horizontal pieces 92b and 92c are used as rotation restricting stopper faces 92g, respectively.
In this case, the rotation in the opposite direction is restricted, and the rotation in the opposite direction is restricted from further rotation from the state in which the two rotation restricting stopper surfaces 92g are in contact with each other. By restricting the relative rotation between the adjacent intermediate pieces 92 in this manner, the intermediate piece 92 is generally bent in a U-shape in one of the horizontal directions from the extended state in which the intermediate piece 92 is substantially straight as described above. In this embodiment, as shown in FIGS. 1 and 2, the side in the bendable direction is oriented toward the center of the vehicle in the extended state (A), and is finally bent as shown in FIGS. In the state, the tip piece 9 starts from the U-shaped bent part.
1 is installed so as to face the outside of the vehicle.

A base piece 93 is provided at the base end of the harness guide 9. As shown in FIG. 6, the base end piece 93 integrally includes left and right legs 93a each having a substantially L-shaped cross section.
3a is located substantially at the center of the harness guide space 8 (see FIGS. 1 and 2) in the front-rear direction (substantially the center of the door opening 1 in the front-rear direction).
Is fixed to the upper surface of the step panel lower substrate 5b by screwing, a gap L is provided between the step panel lower substrate 5b, and a gap L is similarly provided between the step panel 5e and the step plate 5e. ing. The base piece 93 has an opening end 93b serving as a harness insertion opening end into a space 9c formed inside the harness guide 9.
Are formed. An intermediate piece 92 is attached to the base piece 93. The base piece 93 is provided between the base piece 93 and the intermediate piece 92 in the same configuration as the above-described rotation restricting stopper surface 92g (see FIG. 4). The rotation direction is restricted similarly to the intermediate pieces 92. On the other hand, as shown in FIG.
1 is provided. The tip piece 91 has a vertical support shaft 91a projecting in the vertical direction, and a door harness cylinder 91c having an opening 91b opened at the front end coaxially with the vertical support shaft 91a. . Also,
The vertical support shaft 91a is inserted into a shaft hole 12a formed in a harness guide mounting bracket 12 fixed to a tip of the lower roller bracket 4, and a screw 95 for retaining the screw is screwed into the tip of the vertical support shaft 91a. It is attached rotatably around 91a. This tip piece 9
1 has an intermediate piece 92 attached thereto,
In the same manner as the base piece 93, the same structure as the above-described rotation restricting stopper surface 92g (see FIG. 4) is provided between the base piece 93 and the intermediate piece 92, and the rotation direction is the same as that of the intermediate pieces 92. Is restricted. As shown in FIG. 6, the door harness 7 has a space 9c inside the harness guide 9 through the opening end 93b of the base piece 93 from the vehicle body side.
7 and 8, the tip piece 91 is led out of the door harness cylinder 91c to the outside of the space 9c, and is further arranged on the upper surface of the lower roller bracket 4.

Next, the configuration of the harness guide space 8 around the front space 8a will be described. FIG. 3 is an enlarged view showing the front space 8a. The lower roller bracket 4 is accommodated in the front space 8a when the slide door is fully closed. At the time of the fully closed state, a triangular empty space 8b is further formed at the tip of the tip of the lower roller bracket 4. This triangle empty space 8b
Is a conventionally formed space in the slide door device as shown in the present embodiment, and in the present embodiment, the harness is effectively used by effectively using the triangular empty space 8b. The tip piece 91 of the guide 9 is stored, and the harness guide mounting bracket 12 is fixed so as to protrude into the triangular empty space 8b at the tip of the lower roller bracket 4, and the tip piece 91 is also as shown in the figure. It is configured to be arranged in the triangular empty space 8b.

Although the door harness 7 is routed along the upper surface of the lower roller bracket 4 as shown in the figure, the door harness 7 is screwed to the lower roller bracket 4 at the front end of the lower roller bracket 4. Cover 10. As a result, when the sliding door is opened, the lower harness bracket 4 is projected to the outside of the vehicle body, so that the door harness 7 is located at a position where the door harness 7 is exposed. It is done as follows. As shown in FIG. 1, a check claw 15 is rotatably attached to the tip of the cover 10. When the check claw 15 is fully opened, it engages with a checker 16 as shown in the drawing to generate a predetermined check force, and a wire connected to a door handle (not shown) is attached to the check claw 15 and the door is opened. The handle 16 is detached from the checker 16 by operating the handle.

Next, the operation of the embodiment will be described. (A) When the slide door is fully closed When the slide door is fully closed, the harness guide 9
As shown in (A), a portion inside the bend from the base piece 93 fixed substantially at the center of the door opening 1 to the tip piece 91 attached to the lower roller bracket 4 is directed toward the center of the vehicle. It extends into the front space 8a of the harness guide space 8 in a very U-shaped extended state, which is very gently close to a straight line.

In the fully closed state, the harness guide 9
Is located below or behind the lower roller bracket 4 without being located on the front side of the lower roller bracket 4, and the tip piece 91 and the harness guide mounting bracket 12 project from the tip of the lower roller bracket 4 to form a triangle. Since the harness guide 9 is disposed in the empty space 8b, the position of the harness guide 9 in the closing direction with respect to the lower roller bracket 4 is not restricted, and the opening width of the door opening 1 is not narrowed. Can be efficiently accommodated without making any change in the vehicle body structure by effectively utilizing the vehicle body space.

(B) Sliding Door Opening Sliding Next, when the sliding door is slid open from the fully closed state described above, the lower roller bracket 4 first moves outwardly along the curved portion 2a of the lower guide rail 2. It displaces and moves backward. Along with this, the tip piece 91 of the harness guide 9 also moves rearward while being displaced outside the vehicle, and as shown in FIG. 1 or FIG. As the tip piece 91 approaches the base piece 93, the deformation of the curve is reduced to a small extent. Thereafter, when the lower roller bracket 4 moves further backward from the position where the lower roller bracket 4 has passed the curved portion 2a, the intermediate piece 92 that is continuous with the tip piece 91 is linearly aligned in the front-rear direction along the linear portion of the lower guide rail 2. Go, base piece 9
After passing through the position 3, the portion of the intermediate piece 92 connected to the tip piece 91 is linearly arranged and the radius of the portion curved in a U-shape becomes smaller. When the slide door is fully opened, the harness guide is opened. As shown by (C) in FIG. 1, 9 extends linearly backward except for a very small portion of the U-shaped curved portion 9u.

In the fully opened state, the harness guide 9
Since there is no portion arranged behind the lower guide bracket 4 and all of them are arranged on the front side, the opening width of the door opening 1 is not reduced. When the slide door is fully closed from the fully opened state, the operation is the reverse of the above.

As described above, in the embodiment, the door harness 7 is included in the harness guide 9 and the harness guide 9 is deformed following the sliding movement of the sliding door. The connection by the harness 7 can be maintained, and the door harness 7 is not broken or caught by something and cut off. Further, the harness guide 9 has a tip piece 9
It is a simple configuration in which only one base piece 93 and a number of intermediate pieces 92 are joined together.
The mounting work is easy, and the manufacturing cost can be reduced. Further, the harness guide 9 is not disposed forward of the lower roller bracket 4 when the sliding door is fully closed, and is not disposed behind the lower roller bracket 4 when the sliding door is fully opened. 9 does not exist in the sliding direction of the lower roller bracket 4 and restricts the sliding amount, and when the opening width of the door opening 1 is reduced or the opening width is secured, a change in the configuration of the vehicle body side is required. There is no need. In addition, in the present invention, since the harness guide 9 is displaced in the horizontal direction by rotating around the shafts 91a and 92d oriented vertically, and is not displaced in the vertical direction, the harness guide space 8 is moved in the vertical direction. The size can be suppressed, the height of the step plate does not increase, and the degree of freedom in design can be improved by suppressing the restrictions on the vertical size of the vehicle body.

Further, as the harness guide 9 is displaced between the extended state and the bent state with the opening and closing of the slide door, the tip piece 91 of the harness guide 9 is vertically supported with respect to the lower roller bracket 4. Even when the door harness 7 rotates about the shaft 91 a and the door harness 7 is located, a relative displacement occurs between a portion guided from the tip piece 91 and a portion fixed to the lower roller bracket 4. However, in the present embodiment, the vertical support shaft 91a, which is the center of rotation of the tip piece 91, and the door harness cylinder 91c, through which the door harness 7 is guided from the space 9c of the harness guide 9 toward the sliding door, are provided. When the tip piece 91 is rotated, the tip piece 91 and the door harness 7 of the portion led out from the opening 91b are displaced together and are relatively displaced when the tip piece 91 is rotated. As a result, the torsion generated in the door harness 7 can be minimized. Therefore, the door harness 7
The effect is that the durability of the device can be improved.

In addition, when the tip piece 91 rotates with respect to the lower roller bracket 4 as described above, this rotation is performed when the tip piece 91 moves along the curved portion 2 a of the lower guide rail 2. That is, the rotation is performed in the front space 8a that extends toward the center of the vehicle.
The effect of being able to rotate with a margin and excellent operability is obtained.

Further, the movable parts of the door harness 7 and the harness guide 9 are disposed with a gap L between the step panel lower substrate 5b below the harness guide 9 and the upper step plate 5e. When the harness guide 9 is operated as described above, the operation resistance is not received, the operability is excellent, the sound is not generated, and a high operation quality can be obtained. Can be

Although the embodiment has been described with reference to the drawings, the present invention is not limited to this. For example, the shape of the harness guide is not limited to that described in the embodiment as long as a plurality of pieces are connected to each other so as to be bent to one side and to include the door harness 7 therein. Further, in the embodiment, the position where the base piece 93 of the harness guide 9 is provided is substantially at the center of the door opening 1 in the front-rear direction. However, this reduces the length of the harness guide 9 as much as possible and further reduces the cost. For this reason, the base piece 93 of the harness guide 9 is provided behind substantially the center of the door opening 1 in the front-rear direction, and the door harness 7 is included in the harness guide 9 from the rear end of the door opening 1 in the front-rear direction. You may let it. Although the door harness 7 and the harness guide 9 are arranged on the step panel lower substrate 5a, they may be arranged between the floor and the side sill or in the side sill in a vehicle body having no steps. In short, door harness 7, harness guide 9
The effect can be obtained by providing the vehicle body at the position where the lower guide rail 2 for guiding the lower roller 6 provided on the lower roller bracket 4 provided at the lower front portion of the slide door is provided.

[Brief description of the drawings]

FIG. 1 is a plan view showing a door harness wiring structure of a slide door according to an embodiment.

FIG. 2 is a perspective view showing a door harness wiring structure of the slide door according to the embodiment.

FIG. 3 is an enlarged plan view of a main part showing a door harness wiring structure of the slide door according to the embodiment.

FIG. 4 is an exploded perspective view showing an intermediate piece of the harness guide according to the embodiment.

FIG. 5 is a plan view showing an intermediate piece according to the embodiment.

FIG. 6 is a perspective view showing a base piece according to the embodiment.

FIG. 7 is a perspective view showing a tip piece according to the embodiment.

FIG. 8 is a sectional view showing a configuration of a main part in the embodiment.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Door opening part 2 Lower guide rail 2a Bending part 3 Body side wall 4 Lower roller bracket 5a Step panel upper substrate 5b Step panel lower substrate 5e Step plate 6 Lower roller 61 Swing bracket 7 Door harness 8 Harness guide space 8a Front space 8b Triangle empty space 9 Harness guide 9c Space 10 Cover 12 Harness guide mounting bracket 12a Shaft hole 15 Check claw 16 Checker 21 Weather strip 22 Outer panel 23 Depression 91 Tip piece 91a Vertical support shaft 91b Opening 91c Door harness cylinder 92 Middle piece 92a Vertical Piece 92b, 92c Horizontal piece 92d Rotating shaft 92e Rotating hole 92f Rotation restricting part 92g Rotation restricting stopper surface 93 Base end piece 93a Leg 93b Open end 95 Screw L Gap

Claims (3)

[Claims] A lower roller bracket (4) is provided at a lower front portion of a slide door that opens and closes a door opening (1) provided on a side portion of a vehicle body, and is provided on the lower roller bracket (4). A lower guide rail (2) for guiding the lower roller (6) is provided on the vehicle body below the door opening (1), and transmits and receives electric signals between the vehicle body and the slide door, including power supply. A door harness (7) to be performed is hung from a vehicle body to a slide door, and a harness guide (9) formed so as to be able to include the door harness (7) is provided so that adjacent pieces can be connected to one another about a vertical axis. It is rotatable to the other side and continuously connected in a state where the rotation is regulated at a predetermined position. From the extended state as a whole, one can bend into a substantially U-shape in plan view, while the other from the extended state to the other. Is inflexible The lower guide rail (2) is provided at a front end thereof with a curved portion (2a) curved toward the vehicle center so as to displace the slide door toward the vehicle center just before the slide door is fully closed. A harness guide space (8) is formed between the rail (2) and the door opening (1) to allow movement of the harness guide (9). A front space (8a) is formed between the curved portion (2a) and the door opening (1). The front space (8a) widens toward the front of the vehicle body, and the harness guide (9) is connected to the harness guide space (8). A base end piece (93) disposed and provided at the base end is fixed to the rear of the vehicle body at a position substantially centered in the front-rear direction of the door opening (1) of the vehicle body, and is provided at the front end. Tip piece 91) is rotatably mounted on the lower roller bracket (4) via a vertical support shaft (91a), and is further provided continuously between the base piece (93) and the tip piece (91). The intermediate piece (92) is arranged such that the surface facing the inside of the U-shape when bent is directed toward the passenger compartment when the sliding door is closed, and is directed toward the door when the sliding door is opened. Door harness wiring structure for sliding doors. 2. The front space (8a) is provided with the lower roller bracket (4) when the sliding door is fully closed, and the lower roller bracket (4) is in the fully closed state of the sliding door. A substantially triangular empty space (8b) is secured between the distal end portion of the roller bracket (4) and the lower guide rail, and the triangular empty space (8b) is secured when the tip piece (91) is fully closed with the slide door. 2. The door harness wiring structure for a slide door according to claim 1, wherein the door harness wiring structure according to claim 1, wherein the door harness is rotatably attached to a tip end of the lower roller bracket (4) so as to be disposed in the space (8 b). The lower guide rail (2) and the harness guide (9) are provided on a step panel lower substrate (5) provided at a distance below the step plate of the vehicle body.
b), wherein the harness guide (9) is attached to the step plate and the step panel lower substrate (5b) with a gap in the vertical direction. 3. The door harness wiring structure of the slide door according to 1 or 2.