JP6838486B2 - Vehicle seat - Google Patents

Description

The present application relates to a vehicle seat mounted on a vehicle.

For example, in the vehicle seat described in Patent Document 1, a wire harness for the vehicle seat is arranged under the slide device. That is, the wire harness is arranged from the outside in the seat width direction to the inside in the seat width direction via the lower side of the slide device and is connected to the seat body.

The inside in the sheet width direction at one end in the sheet width direction means the other end side in the sheet width direction with respect to one end in the sheet width direction. That is, the inside in the sheet width direction at the left end in the sheet width direction means the right side in the sheet width direction with respect to the left end in the sheet width direction.

Similarly, the outside in the sheet width direction at one end in the sheet width direction means the side opposite to the inside in the sheet width direction with respect to one end in the sheet width direction. That is, the outside in the sheet width direction at the left end in the sheet width direction means the left side in the sheet width direction with respect to the left end in the sheet width direction.

Japanese Unexamined Patent Publication No. 2014-83912

In the invention described in Patent Document 1, a portion of the wire harness located inside the sliding device in the seat width direction may interfere with the sliding seat body. The seat body includes at least a seat cushion.

The present application provides an example of a vehicle seat capable of suppressing the occurrence of interference between a sliding seat body and a wire harness.

The vehicle seat extends substantially in the vertical direction with a wire harness (13) extending from the outside in the seat width direction to the inside in the seat width direction and a lower protector portion (16) covering the lower wiring portion (13D) from the upper side. A part of the inner wiring portion (13E) is covered from the outside in the seat width direction, and a vertical protector portion (17) for restraining the part is provided.

The lower wiring portion (13D) is arranged below the fixed rail (11) of the wire harness (13) and is arranged from the outside in the seat width direction to the inside in the seat width direction with respect to the fixed rail (11). It refers to all parts. The inner wiring portion (13E) refers to a portion of the wire harness (13) located inside the fixed rail (11) in the seat width direction.

As a result, the inner wiring portion (13E) can be protected by the vertical protector portion (17), and the inner wiring portion (13E) moves in the seat width direction and interferes with the sliding seat body. Can be suppressed.

In addition, it may be configured as follows.
A holding portion (21) provided on the upper end side of the vertical protector portion (17) and holding the front-rear wiring portion (13F) at a position deviated from the vertical protector portion (17) in the front-rear direction of the seat may be provided. desirable.

As a result, the movement of the wire harness (13) can be reliably restrained, so that it is possible to prevent the inner wiring portion (13E) from interfering with the sliding seat body. The front-rear wiring portion (13F) refers to a portion of the inner routing portion (13E) extending substantially in the front-rear direction of the seat from the upper end side of the vertical protector portion (17).

The inner protector portion (18) and the inner protector portion (18) that cover the portion of the wire harness (13) from the lower end side of the vertical protector portion (17) to the lower protector portion (16) from the upper side move upward. It is desirable to have a regulatory department (19) that regulates what to do. As a result, it is possible to prevent the inner protector portion (18) from moving upward, so that it is possible to prevent the inner protector portion (18) from interfering with other members.

It is desirable that the regulating portion (19) is fixed to the lower surface of the fixed rail (11). This makes it possible to lower the upper end position of the inner protector portion (18).
Incidentally, the reference numerals in the parentheses are examples showing the correspondence with the specific configurations and the like described in the embodiments described later, and the present invention is limited to the specific configurations and the like shown in the symbols in the parentheses. It's not something.

It is a figure which shows the vehicle seat which concerns on embodiment of this invention. It is a figure which shows the wiring structure of the wire harness in the vehicle seat which concerns on embodiment of this invention. It is a figure which shows the wiring structure of the wire harness in the vehicle seat which concerns on embodiment of this invention. It is a figure which shows the wiring structure of the wire harness in the vehicle seat which concerns on embodiment of this invention. It is a figure which shows the wiring structure of the wire harness in the vehicle seat which concerns on embodiment of this invention. It is a figure which shows the wiring structure of the wire harness in the vehicle seat which concerns on embodiment of this invention. It is an exploded view of the protector which concerns on embodiment of this invention. It is a figure which shows the wiring structure of the wire harness in the vehicle seat which concerns on embodiment of this invention. It is a figure which shows the wiring structure of the wire harness in the vehicle seat which concerns on embodiment of this invention. It is a figure which shows the protector which concerns on embodiment of this invention. It is a figure which shows the holding part which concerns on embodiment of this invention. It is a figure which shows the position of the walk-in mechanism which concerns on embodiment of this invention. It is a figure which shows the position of the walk-in mechanism which concerns on embodiment of this invention. It is a figure which shows the position of the walk-in mechanism which concerns on embodiment of this invention.

The "embodiment of the invention" described below is an example of an embodiment belonging to the technical scope of the present invention. That is, the matters specifying the invention described in the claims are not limited to the specific configuration, structure, etc. shown in the following embodiments.

Hereinafter, embodiments of the present invention will be described with reference to the drawings. The arrows and the like indicating the directions attached to each figure are described in order to make it easier to understand the relationship between each figure. The present invention is not limited to the directions attached to each figure.

At least one member or part described with a reference numeral is provided unless otherwise specified such as "one". That is, if there is no notice such as "one", two or more of the members may be provided.

(First Embodiment)
1. 1. Outline of Vehicle Seat In the present embodiment, the vehicle seat according to the present invention is applied to the vehicle seat. As shown in FIG. 1, the vehicle seat 1 includes a seat cushion 3, a seat back 5, and the like. The seat cushion 3 is a portion that supports the buttocks of the seated person. The seat back 5 is a portion that supports the back of the seated person.

The cushion frame 7 constitutes the skeleton of the seat cushion 3. The back frame (not shown) constitutes the skeleton of the seat back 5. The back frame is attached to the cushion frame 7.

The cushion frame 7 includes at least a pair of side frames 8 and a pair of connecting rods 9. Each of the pair of side frames 8 is a member that is arranged on one end side and the other end side in the seat width direction and extends in the front-rear direction of the seat. Each of the pair of connecting rods 9 is a member that connects one end side and the other end side of the pair of side frames 8 in the extending direction.

The cushion frame 7 is fixed to the vehicle side via a pair of slide devices 10. The pair of slide devices 10 are devices for slidably supporting the seat cushion 3, that is, the cushion frame 7.

Each of the pair of slide devices 10 is arranged on one end side and the other end side in the seat width direction. Each slide device 10 has the same structure. Hereinafter, the configuration of the slide device 10 will be described by taking as an example a slide device 10 provided on one end side in the seat width direction (in the present embodiment, the left end in the seat width direction).

The slide device 10 includes a fixed rail 11, a movable rail 12, and the like. The movable rail 12 is a member to which the vehicle seat 1, that is, the cushion frame 7 is connected and supports the cushion frame 7.

The fixed rail 11 is a member that extends in the front-rear direction of the seat and is fixed to the vehicle side. A movable rail 12 is slidably mounted on the fixed rail 11. Specifically, the movable rail 12 is supported by the fixed rail 11 via a plurality of rolling elements (not shown).

Each rolling element rolls into contact with the fixed rail 11 and the movable rail 12. As a result, the movable rail 12 can be slidably displaced with respect to the fixed rail 11 while being supported by the fixed rail 11. Each rolling element is composed of a sphere such as a steel ball.

The wire harness 13 is an electric wire connected to an electric device (not shown) mounted on the seat body. The seat body refers to a seat body that slides and displaces together with the cushion frame 7. Specifically, it means a cushion having at least a seat cushion 3.

2. 2. Wire harness distribution structure As shown in FIG. 1, the wire harness 13 is arranged on one end side in the seat width direction (in this embodiment, the left end side in the seat width direction) and is arranged from the outside in the seat width direction to the inside in the seat width direction. It is extending.

The inside in the sheet width direction at one end in the sheet width direction means the other end side in the sheet width direction with respect to one end in the sheet width direction. The outside in the seat width direction means the side opposite to the inside in the seat width direction with the fixed rail 11 arranged at one end in the seat width direction interposed therebetween.

Specifically, as shown in FIGS. 3 to 5, the wire harness 13 according to the present embodiment is arranged so that the lower side of the fixed rail 11 extends from the left end side in the seat width direction to the right side in the seat width direction. Has been done.

As shown in FIG. 3, the wire harness 13 is configured to have a plurality of strands 13A, and also has a covering portion 13B, an exposed portion 13C, and the like. The covering portion 13B is a portion where a plurality of strands 13A are covered with a flexible tube, a protective tape, or the like, and the strands 13A are constrained in a bundle.

The exposed portion 13C is a portion where a plurality of strands 13A are not covered with a tube, a protective tape, or the like, and the strands 13A are not constrained in a bundle. The exposed portion 13C is covered with a flat protector 15.

The protector 15 includes at least a lower protector portion 16, a vertical protector portion 17, an inner protector portion 18, and the like. The lower protector portion 16 is a portion that covers the lower wiring portion 13D from at least the upper side (see FIGS. 3 and 5).

The lower protector portion 16 according to the present embodiment also covers the lower surface side and the side surface side of the lower wiring portion 13D. That is, the lower protector portion 16 according to the present embodiment is formed of a flat rectangular cylinder whose vertical dimension is smaller than the seat front-rear dimension.

The lower wiring portion 13D is a portion of the exposed portion 13C that is arranged below the fixed rail 11 and extends from the outside in the seat width direction to the inside in the seat width direction with respect to the fixed rail 11 (see FIG. 4). .. That is, the plurality of strands 13A constituting the lower wiring portion 13D are arranged in the lower protector portion 16 and restrained by the lower protector portion 16.

As shown in FIG. 3, the vertical protector portion 17 is a portion that rises so as to extend substantially in the vertical direction. As shown in FIG. 6, the vertical protector portion 17 covers a part of the inner wiring portion 13E from at least the outside in the seat width direction (in the present embodiment, the left end side), and is a portion for restraining the part. Is.

That is, as shown in FIG. 7, the vertical protector portion 17 has a flat shape in which the outer dimension L1 in the front-rear direction of the seat is larger than the outer dimension W1 in the width direction of the seat. As shown in FIG. 6, the vertical protector portion 17 according to the present embodiment is open on the inside in the sheet width direction (on the right end side in the present embodiment), and a plurality of strands 13A are exposed.

Specifically, the vertical protector portion 17 includes a first wall portion 17A and a pair of second wall portions 17B and 17C. The first wall portion 17A and the like have a wall surface extending substantially in the vertical direction and intersecting the seat width direction.

The second wall portion 17B is a ridge protruding inward in the seat width direction (in the present embodiment, the right end side) on the seat front end side of the first wall portion 17A. The second wall portion 17C is a ridge protruding inward in the seat width direction (in the present embodiment, the right end side) on the seat rear end side of the first wall portion 17A.

The inner wiring portion 13E refers to a portion located inside the exposed portion 13C in the seat width direction with respect to the fixed rail 11. That is, a part of the plurality of strands 13A constituting the inner wiring portion 13E is covered with the vertical protector portion 17 on the outer side in the seat width direction and in the front-rear direction of the seat.

Therefore, the inner wiring portion 13E is restricted from being displaced at least outward in the seat width direction (in the present embodiment, the left end side). The portion of the inner wiring portion 13E covered by the vertical protector portion 17 is fixed to the vertical protector portion 17 with a restraining tape (not shown) or the like.

As shown in FIG. 6, the inner protector portion 18 covers a portion of the exposed portion 13C from the lower end side of the vertical protector portion 17 to the lower protector portion 16 from the upper side. The inner protector portion 18 according to the present embodiment is formed of a flat rectangular cylinder whose vertical dimension is smaller than the horizontal dimension.

That is, among the exposed portions 13C, the plurality of strands 13A constituting "the lower end side of the vertical protector portion 17" to "outside the fixed rail 11 in the seat width direction" are constrained by the inner protector portion 18 and the lower protector portion 16. ing.

As shown in FIG. 6, the regulating portion 19 is a member that restricts the movement of the inner protector portion 18 upward. The regulation unit 19 is fixed to the lower surface of the fixed rail 11. The regulation unit 19 is made of a metal plate such as SPCC or SPHC. The regulating portion 19 is fixed to the lower surface of the fixing rail 11 by welding or a fastener such as a screw.

As shown in FIG. 7, a holding portion 21 is provided on the upper end side of the vertical protector portion 17. The holding portion 21 is located at a portion displaced in the front-rear direction of the seat (in the present embodiment, the rear side of the seat) with respect to the upper end of the vertical protector portion 17.

The holding portion 21 is a portion for holding the front-rear wiring portion 13F (see FIG. 8). The front-rear wiring portion 13F is a portion of the inner routing portion 13E extending from the upper end side of the vertical protector portion 17 in the substantially front-rear direction of the seat (in the present embodiment, the rear side of the seat). The front-rear wiring portion 13F according to the present embodiment is a covering portion 13B.

The width regulating unit 23 shown in FIG. 8 cooperates with the holding unit 21 to restrict the front-rear wiring unit 13F from being displaced in the seat width direction. That is, the holding portion 21 has a wall surface 21A substantially orthogonal to the sheet width direction (see FIG. 7). The width regulating portion 23 has a wall surface 23A substantially orthogonal to the sheet width direction (see FIG. 9).

The pair of wall surfaces 21A and 23A face each other in the seat width direction. That is, as shown in FIG. 6, the width regulating portion 23 is located outside in the seat width direction with respect to the front-rear wiring portion 13F. Therefore, the front-rear wiring portion 13F is sandwiched between the holding portion 21 and the width regulating portion 23 from the seat width direction, so that the front-rear wiring portion 13F is restricted from being displaced in the seat width direction.

As shown in FIG. 9, the sheet front-rear direction dimension L2 of the wall surface 23A of the width regulating portion 23 is larger than the sheet front-rear direction dimension L3 of the wall surface 21A of the holding portion 21. Further, the position of the seat rear end 23B of the wall surface 23A is located on the seat rear side of the seat rear end 21B of the wall surface 21A.

An upper regulation portion 25 is provided on the upper side of the front-rear wiring portion 13F. The upper regulating portion 25 has a wall surface 25A that restricts the front-rear wiring portion 13F from being displaced upward. The width regulating portion 23 and the upper regulating portion 25 are integrally molded products made of a metal plate (see FIG. 8).

The width regulating portion 23 and the upper regulating portion 25 are also integrally molded products with the bracket 27 (see FIG. 8). The bracket 27 is a member that supports the width regulating portion 23 and the upper regulating portion 25, and is fixed to the lower surface of the fixed rail 11 (see FIG. 9).

As shown in FIG. 9, the bracket 27 is provided with a connecting portion 27A to which the vertical protector portion 17 is connected. The connecting portion 27A is a portion for holding the upper end side of the vertical protector portion 17. That is, the upper end side of the vertical protector portion 17 is held by the fixed rail 11 via the bracket 27 made of a metal plate.

As shown in FIG. 7, a flange portion 21C is provided on the lower end side of the wall surface 21A of the holding portion 21. The flange portion 21C is a ridge projecting from the wall surface 21A to the outside in the seat width direction, that is, to the width regulating portion 23 side. That is, the holding portion 21 has a substantially L-shaped cross section orthogonal to the front-rear direction of the seat (see FIG. 10).

The wire harness 13 (front-rear wiring portion 13F) is fixed to the holding portion 21 by a restraining tape (not shown) in a state of being in contact with the wall surface 21A and the flange portion 21C. The restraint tape is wound around the wire harness 13 so as to be located within the restraint width W2 shown in FIG.

At one end and the other end of the restraint width W2, protrusions 21D and 21E indicating the widthwise end portions of the restraint width W2 are provided. The protrusions 21D and 21E also serve as reinforcing ribs for increasing the rigidity of the holding portion 21.

3. 3. Attaching the Protector to the Wire Harness As shown in FIG. 7, the protector 15 includes the first member 15A to the third member 15C and the like made of resin. The first member 15A is a member that constitutes the lower surface side of the lower protector portion 16 and the inner protector portion 18.

The second member 15B is a member that constitutes the upper surface side of the lower protector portion 16, and is swingably connected to the first member 15A. In this embodiment, the first member 15A and the second member 15B are integrally molded products that are integrally molded via an integral hinge 15E.

The third member 15C is a portion constituting the upper surface portion of the inner protector portion 18, the first wall portion 17A of the vertical protector portion 17, and the pair of second wall portions 17B and 17C, and is an integrally molded resin product. is there.

The operator who attaches the protector 15 to the wire harness 13 first bends the second member 15B with the integral hinge 15E in a state where the exposed portion 13C of the wire harness 13 is placed on the first member 15A.

Next, the operator fits the second member 15B into the fitting hole 15G by fitting the fitting portion 15F such as a snap fit. After that, the operator fits the fitting portions 15H to 15K of the third member 15C into the fitting holes 15L to 15P.

As a result, the third member 31C side of the second member 15B is sandwiched between the third member 15C and the first member 15A from the vertical direction. Next, the operator restrains and fixes the portion of the inner wiring portion 13E covered by the vertical protector portion 17 to the vertical protector portion 17 with a binding band (not shown).

4. Other Configuration The contact portion 30 shown in FIG. 8 is a portion that collides with the return lever 31A of the walk-in mechanism 31 shown in FIG. The walk-in mechanism 31 is "a mechanism for allowing the vehicle seat 1 to slide in the front-rear direction of the seat in conjunction with the operation of the seat back 5 lying down toward the front of the seat".

The return lever 31A is a lever for returning the vehicle seat 1 to a non-sliding state when it comes into contact with the contact portion 30. The contact portion 30 according to the present embodiment is an integrally molded product with the bracket 27.

As shown in FIGS. 12 to 14, the vertical protector portion 17 and the bracket 27 are provided at positions that do not always interfere with the walk-in mechanism 31 (including the return lever 31A) regardless of the position of the vehicle seat 1. There is.

4. Features of the vehicle seat according to the present embodiment A part of the inner wiring portion 13E extending substantially in the vertical direction is covered from the outside in the seat width direction, and a vertical protector portion 17 for restraining the part is provided.

As a result, the inner wiring portion 13E can be protected by the vertical protector portion 17, and it is possible to prevent the inner wiring portion 13E from moving in the seat width direction and interfering with the sliding seat body.

A holding portion 21 is provided on the upper end side of the vertical protector portion 17 and holds the front-rear wiring portion 13F at a position deviated from the vertical protector portion 17 in the front-rear direction of the seat.
As a result, the movement of the wire harness 13 can be reliably restrained. Therefore, it is possible to prevent the inner wiring portion 13E from interfering with the sliding seat body.

A regulation unit 19 for restricting the movement of the inner protector unit 18 to the upper side is provided. As a result, it is possible to prevent the inner protector portion 18 from moving upward, so that it is possible to prevent the inner protector portion 18 from interfering with other members.

Further, the regulating portion 19 is fixed to the lower surface of the fixed rail 11. This makes it possible to lower the upper end position of the inner protector portion 18.
(Other embodiments)
The vehicle seat 1 according to the above-described embodiment has a walk-in mechanism 31, but the invention disclosed in the present specification is not limited thereto. That is, the vehicle seat 1 may not have the walk-in mechanism 31.

The protector 15 according to the above-described embodiment is flat and covers the exposed portion 13C. However, the invention disclosed in the present specification is not limited to this. That is, for example, the protector 15 may be composed of a cylindrical member. Further, the entire wire harness 13 may be composed of the covering portion 13B.

The vertical protector portion 17 according to the above-described embodiment has a configuration in which the wire harness 13 (exposed portion 13C) is covered from the outside in the seat width direction and the inside in the seat width direction is opened. However, the invention disclosed in the present specification is not limited to this. That is, for example, the vertical protector portion 17 may be configured to cover the inside in the seat width direction.

In the above-described embodiment, the vehicle seat 1 is provided with the regulation unit 19 and the holding unit 21. However, the invention disclosed in the present specification is not limited to this. That is, for example, at least one of the regulation unit 19 and the holding unit 21 may be the vehicle seat 1 having an abolished configuration.

The holding portion 21 according to the above-described embodiment has a configuration in which the front-rear wiring portion 13F is held at a position shifted to the rear of the seat with respect to the vertical protector portion 17. However, the invention disclosed in the present specification is not limited to this.

That is, for example, in the case where the front-rear wiring portion 13F extends to the front side of the seat with respect to the vertical protector portion 17, the holding portion 21 is provided at a position shifted to the front side of the seat with respect to the vertical protector portion 17. Is desirable.

In the above-described embodiment, the vehicle seat according to the present invention is applied to the vehicle seat. However, the application of the present invention is not limited to this, and the present invention can also be applied to seats used for vehicles such as railroad vehicles, ships and aircraft.

Furthermore, the present invention is not limited to the above-described embodiment as long as it conforms to the gist of the invention described in the claims. Therefore, at least two of the plurality of embodiments described above may be combined.

1 ... Vehicle seat 3 ... Seat cushion 5 ... Seat back 7 ... Cushion frame 8 ... Side frame 9 ... Connecting rod 10 ... Sliding device 11 ... Fixed rail 12 ... Movable rail 13 ... Wire harness 13A ... Wire 13B ... Cover 13C ... Exposed part 13D ... Lower wiring part 13E ... Inner wiring part 13F ... Front and rear wiring part 15 ... Protector 16 ... Lower protector part 17 ... Vertical protector part 18 ... Inner protector part 19 ... Control part 21 ... Holding part 23 ... Width regulation department

Claims (2)

In the vehicle seat mounted on the vehicle
Movable rails that support the cushion frame and
A fixed rail that extends in the front-rear direction of the seat and is slidably mounted with the movable rail, and is fixed to the vehicle side.
A wire harness from the outside in the seat width direction to the inside in the seat width direction,
When a portion of the wire harness that is laid out on the lower side of the fixed rail and extends from the outside in the seat width direction to the inside in the seat width direction with respect to the fixed rail is used as the lower laying portion, the lower laying portion. The lower protector part that covers from the upper side,
When a portion of the wire harness located inside the fixed rail in the seat width direction is used as the inner wiring portion, the wire harness extends substantially in the vertical direction to cover a part of the inner wiring portion from the outside in the seat width direction and is said to be the same. Vertical protector part for restraining a part ,
An inner protector portion that covers a portion of the wire harness from the lower end side of the vertical protector portion to the lower protector portion from the upper side, and
The regulation part that regulates the movement of the inner protector part upward, and the regulation part.
With
The regulating portion is a vehicle seat fixed to the lower surface of the fixed rail. When the portion of the inner wiring portion extending substantially in the front-rear direction of the seat from the upper end side of the vertical protector portion is defined as the front-rear wiring portion.
The vehicle seat according to claim 1, further comprising a holding portion provided on the upper end side of the vertical protector portion and holding the front-rear wiring portion at a position deviated from the vertical protector portion in the front-rear direction of the seat.

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