JP2005035456A - Power supply structure for slide seat - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a power supply structure for a sliding seat which hides an exposed portion of a wire harness. <P>SOLUTION: The wire harness 10 is arranged between a fixing part 12 on the floor side and a supporting part 13 on the lower face side of the sliding seat, and is covered with a cover member 20 provided with an opening 21 for slidably inserting the wire harness 10 moving in association with a slide of the sliding seat 30, and a hole part 22 for passing the wire harness 10 at the fixing part 12 on the floor side. The wire harness 10 is configured to oscillate inside the cover member 20. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to a power supply structure for a slide sheet, and more particularly to a power supply structure for a slide sheet suitable for use with a sheet having a large slide amount.

Some seats of a driver's seat and a passenger seat of an automobile are equipped with electric components such as a motor for adjusting a seating posture and a detection switch for detecting that a tongue is attached to a seat belt buckle. In the case of such a sheet, a wire harness for supplying electricity to these electrical components is connected.
When these seats are slide seats that can be adjusted in the front-rear direction, the wire harness needs to be able to be displaced corresponding to the slide of the seat.

  The seats in the driver's and passenger's seats have a relatively small sliding amount, so the amount of displacement of the wire harness can be small. However, in recent years, as the second row and third row seats of a 1BOX car slide greatly The number of vehicles equipped with sliding seats increases, and the amount of displacement of the wire harness increases with such slide seats.

A structure for supporting a wire harness with a slide sheet having a small slide amount is disclosed in Japanese Patent Application Laid-Open No. 11-105641 (hereinafter referred to as “Patent Document 1”).
As shown in FIGS. 1 and 2, the “slide sheet wire harness” described in Patent Document 1 has a fixed point on the floor side of the wire harness as a seat side fixed point and a center of a moving range by sliding the seat. The floor side fixed point is provided with directivity directed upward, and the seat side fixed point is provided with directivity directed laterally.
JP 11-105641 A

  However, in the conventional driver's seat and front passenger seat or the slide seat described in Patent Document 1, the rear end of the seat when it slides to the front and the front end of the seat when it slides to the rear overlap on the locus. Therefore, the fixing point on the seat side and the fixing point on the floor side of the wire harness can be set within a range concealed by the seat.

However, if the amount of movement of the seat is large and the amount of movement is such that the rear end of the seat when it slides to the front and the front end of the seat when it slides to the rear do not overlap on the trajectory, In particular, there arises a problem that a portion near the floor side fixing point is exposed on the floor.
If the wire harness is left exposed, there is a problem that it is stepped on by a passenger or looks bad.
For this reason, although it was necessary to conceal the exposed part of a wire harness, it was difficult to make it compatible with the movement amount of a sheet | seat.

  Therefore, an object of the present invention is to provide a slide sheet feeding structure that can conceal an exposed portion of a wire harness in order to solve such a problem.

According to the first aspect of the present invention, there is provided a power supply structure for a slide seat, wherein the wire harness is disposed between a vehicle floor and a slide seat that is guided and moved by two rails provided on the floor. A power supply structure for supplying electric power to an electrical component provided on the slide seat, wherein the wire harness is disposed between the floor side fixing portion and the slide seat lower surface side support portion, and the slide An opening through which the wire harness extending from the support portion on the lower surface side of the seat is inserted and slidably receives the wire harness that moves as the slide seat slides, and a hole through which the wire harness passes through the fixing portion on the floor side And a cover member in which the wire harness can swing.
Therefore, the portion of the wire harness that is exposed as the slide sheet moves can be concealed by the cover member, and the wire harness is exposed only from the opening, so that the exposed portion can be minimized.

According to a second aspect of the present invention, there is provided the slide sheet power feeding structure according to the first aspect, wherein the cover member is installed between two rails, and the opening portion is provided. Is opened substantially parallel to the rail and toward the lower surface of the slide seat.
Therefore, the movement direction of the support part on the lower surface side of the slide sheet of the wire harness accompanying the movement of the slide sheet is parallel to the opening direction of the opening part, and the portion of the wire harness extending from the support part is always a constant exposure amount. The appearance will not change.

According to a third aspect of the present invention, there is provided the slide sheet feeding structure according to the first or second aspect, wherein the opening of the cover member is laid on the floor surface. It is characterized in that it is open on substantially the same plane as the upper surface of the carpet.
Therefore, since the floor surface is substantially flat, a seated person on the slide seat can sit without being aware of the opening.

According to a fourth aspect of the present invention, there is provided the slide sheet power feeding structure according to any one of the first to third aspects, wherein the support portion on the lower surface side of the slide sheet is provided. The wire harness is rotatably supported as the slide sheet moves.
Therefore, even if the angle of the wire harness with respect to the fixed portion on the floor changes as the slide seat moves and the angle of the wire harness changes, the wire harness can be tracked without twisting, extending the life of the wire harness. can do.

  According to the present invention, electric power is supplied to an electrical component provided on a slide seat by a wire harness disposed between the floor of the vehicle and the slide seat that is guided and moved by two rails provided on the floor. A power feeding structure to be supplied, comprising: a wire harness disposed between the floor side fixing portion and the slide seat lower surface support portion; and a wire harness extending from the slide seat lower surface support portion. There is an opening that slidably receives the wire harness that is inserted and moves as the slide seat slides, and a hole through which the wire harness penetrates at the fixing portion on the floor side, and the wire harness is inside the opening. Because it is composed of a swingable cover member, the wire harness is exposed to the room even when the slide amount is larger than the length of the slide seat. Ku, it is possible to safely protect the wire harness.

Next, an embodiment of a slide sheet feeding structure according to the present invention will be described below with reference to the drawings. The power supply structure for the slide seat according to the present embodiment is provided in the rear seat of the 1BOX vehicle.
Here, FIG. 1 is a perspective view showing a moving state of the slide sheet, and FIG. 2 is a schematic plan view thereof.

(Configuration) The configuration of the slide sheet feeding structure will be described. As shown in FIG. 1, the slide seat 30 includes a seat cushion 31, a seat back 32, and a seat leg 33 that supports the seat cushion 31 and the seat back 32, and includes an electric reclining motor and a lumbar. Electrical components such as a support motor or seat belt wearing detection switch are installed.
The slide seat 30 is supported so as to be slidable on a pair of left and right rails 60 and 60 laid on the floor panel 51 of the vehicle body. It is set to about 700 mm longer than the length in the sliding direction.

Therefore, when the slide sheet 30 is slid from its foremost position to the last position, the front end of the slide sheet 30 at the last position reaches a position behind the position where the rear end of the slide sheet 30 at the foremost position is located. Slide.
That is, as shown in FIGS. 1 and 2, the slide sheet 30 has a separation amount T with respect to the slide amount S.

A wire harness 10 for supplying electric power to electrical components installed on the slide sheet 30 is disposed between the lower surface of the slide sheet 30 and the upper surface of the floor 50.
The wire harness 10 is fixed to the floor panel 51 by the clamp 122 at the fixing portion 12 on the floor 50 side between the left and right rails 60, 60 and bridges between the left and right seat legs 33 on the lower surface side of the slide seat 30. The support portion 13 provided on the support frame 331 is supported.

The floor-side fixing portion 12 is set at the approximate center of the movement locus of the support portion 13.
In the support portion 13, the upper portion of the wire harness 10 is inserted into an L-shaped pipe-shaped rotator 131 and supported upwardly at a substantially right angle with respect to the support frame 331 as shown in FIG. 3. Yes.
The rotor 131 is rotatably supported by a bearing 332 fixed to the support frame 331.

On the other hand, between the left and right rails 60, 60, the cover member 20 having the opening 21 longer than the above-described separation amount T is attached to the floor 50 so as to open the opening 21 upward. .
As shown in FIGS. 3 and 4, the cover member 20 has a wide flange portion 211 formed around a long opening portion 21 that opens toward the lower surface of the slide sheet 30 (that is, upward). A top wall 212 extending in a substantially triangular shape with the long side of one of the openings 21 (the right side in the figure) as a base, vertical walls 213 and 213 extending downward from two oblique sides of the top wall 212, and vertically A rear wall 215 that is continuous with the walls 213 and 213 and extends downward from the other long side of the opening 21, and a guide surface that curves and inclines downward from the inside of the rear wall 215 toward the apex of the triangle. 214 and is formed of a synthetic resin material.
The central portion in the longitudinal direction of the opening 21 is set to coincide with the central portion in the sliding direction of the support portion 13.

The vicinity of the apex of the triangle of the cover member 20 is surrounded by the upper surface wall 212 and the vertical walls 213 and 213, has a U-shaped cross-sectional shape that opens downward, and has a hole 22 at the tip. .
A gap substantially the same as the thickness of the carpet 52 is formed between the flange portion 211 and the upper surface wall 212 so that the carpet 52 can be inserted. The vertical walls 213 and 213, the guide surface from the lower surface of the flange portion 211. The height to the lower end of 214 and the rear wall 215 is substantially the same as the thickness of the soundproof material 53 spread on the floor 50.

Next, a method for attaching the wire harness 10 and the cover member 20 will be described. The wire harness 10 is inserted through the opening 21 of the cover member 20 in advance, and the rotator 131 side of the wire harness 10 is drawn out from the opening 21 upward.
And while attaching the rotor 131 to the support frame 331 via the bearing 332, the floor side fixing | fixed part 12 of the wire harness 10 is fixed to the floor panel 51 with the clamp 122. FIG.

Thereafter, the cover member 20 is formed so that the longitudinal direction of the opening 21 thereof is substantially parallel to the rail 60, and the hole 22 covers the floor side fixing portion 12 of the wire harness 10, and the fixing portion 12 of the wire harness 10 is It arrange | positions on the floor 50 so that the L-shaped part 121 may come out of the hole part 22. FIG.
In the cover member 20, the soundproof material 53 is formed in accordance with the shape of the cover member 20, and the edge of the carpet 52 is inserted between the flange portion 211 and the upper surface wall 212 of the cover member 20, thereby Can be installed without using etc.

(Operation) The operation of the power supply structure of the slide sheet attached as described above will be described. As shown in FIGS. 2 and 5A, when the slide seat 30 is located at the front end of the slide, the support portion 13 on the lower surface side of the slide seat of the wire harness 10 is also in the foremost position. Is extending substantially linearly from the rotator 131 of the support portion 13 through the opening 21 of the cover member 20 at its substantially front end portion toward the floor-side fixing portion 12.
When the slide sheet 30 is gradually slid rearward from the position of the slide front end, as shown in FIG. 5B, the support portion 13 on the lower surface side of the slide sheet also moves rearward, and the wire harness 10 is connected to the bearing 332. While rotating the rotor 131 via the slidable portion, it slides in the opening 21 while curving in a square shape.

  Then, when the support portion 13 on the lower surface side of the slide sheet passes through a position where the opening portion 21 intersects with the perpendicular line (the dashed line in FIG. 5C) drawn from the floor side fixing portion 12 in the longitudinal direction of the opening portion 21. As shown in FIG. 5C, the wire harness 10 rotates the rotator 131 to reverse the direction, and as shown in FIG. 5D, the wire harness 10 is centered on the fixing portion 12. Move to the rear end position while swinging. At this time, the wire harness 10 penetrates substantially at the rear end of the opening 21.

  Therefore, as shown in FIG. 2, when the length of the opening 21 is set so as to conceal the portion through which the wire harness 10 penetrates from the front and rear ends of the opening 21 by the seat leg 33 of the slide sheet 30, the slide sheet 30. Even if it slides, the wire harness 10 is not exposed from the lower surface of the slide sheet 30, and only the opening 21 of the cover member 20 appears, and a good-looking floor can be formed.

    Thus, the wire harness 10 is disposed between the floor-side fixing portion 12 and the slide seat lower surface side support portion 13, and the wire harness 10 that moves as the slide seat 30 slides is slidably inserted. Since the cover member 20 having the opening portion 21 to be opened and the hole portion 22 through which the wire harness 10 penetrates at the fixing portion 12 on the floor side, the wire harness 10 can swing inside the cover member 20. Even if the slide 30 is slid by a movement amount larger than the length of the slide sheet 30, the wire harness 10 is not exposed from the lower surface of the slide sheet 30, and a good-looking floor even if a slide sheet having a long slide amount is set It became possible to compose the surface.

In addition, this invention is not limited to the thing of the said embodiment, A various change is possible in the range which does not deviate from the meaning.
For example, in the above-described embodiment, the description has been given of the power supply structure of the slide seat in which electric components such as the electric reclining motor, the lumbar support motor, or the seat belt mounting detection switch are mounted. It can also be used as a structure for supplying electric power to a motor of a slide rotating sheet that is used while being slid while being electrically slid.

  The present invention can be applied not only to a slide sheet that slides in the front-rear direction of the vehicle but also to a slide sheet that slides in the left-right direction.

It is the perspective view which showed the movement condition of the slide seat with which the electric power feeding structure which concerns on one embodiment of this invention was mounted | worn. It is the plane schematic which showed the movement condition of the slide sheet | seat equipped with the electric power feeding structure which concerns on one embodiment of this invention. It is front sectional drawing of the electric power feeding structure of the slide sheet which concerns on one embodiment of this invention. It is a perspective view of the electric power feeding structure of the slide sheet which concerns on one embodiment of this invention. It is explanatory drawing which shows operation | movement of the wire harness with respect to a cover member of the electric power feeding structure of the slide sheet which concerns on one embodiment of this invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 Wire harness 12 Floor side fixing | fixed part 13 Slide sheet lower surface side support part 131 Rotor 20 Cover member 21 Opening part 211 Flange part 22 Hole part 30 Slide sheet 331 Support frame 332 Bearing 50 Floor 60 Rail

Claims (4)

A power feeding structure for supplying electric power to an electrical component provided on a slide seat by a wire harness disposed between the floor of the vehicle and a slide seat that is guided and moved by two rails provided on the floor Because
A wire harness disposed between the fixed portion on the floor side and the support portion on the lower surface side of the slide seat;
A wire harness extending from a support portion on the lower surface side of the slide seat is inserted, and the wire harness penetrates through an opening portion that slidably receives the wire harness that moves as the slide seat slides, and a fixing portion on the floor side A cover member that allows the wire harness to swing within the hole portion;
A power supply structure for a slide sheet, comprising: In the slide sheet feeding structure according to claim 1,
The power supply structure for a slide sheet, wherein the cover member is installed between two rails, and the opening is open substantially parallel to the rail and toward the lower surface of the slide sheet. In the power supply structure of the slide sheet according to claim 1 or 2,
The slide sheet feeding structure, wherein an opening of the cover member is opened substantially on the same surface as an upper surface of the carpet laid on the floor surface. In the power supply structure of the slide sheet according to any one of claims 1 to 3,
The slide seat power feeding structure, wherein the support portion on the lower surface side of the slide seat supports the wire harness so as to be rotatable with the movement of the slide seat.

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