Seat device for vehicles

Abstract

To provide a seat device for vehicles in view of the point that, when a harness case is enlarged, the harness case may largely protrude from a region which is occupied by a seat body.SOLUTION: A second harness 5B is stored in a harness case 6 while being bent so as to protrude in a direction that is orthogonal to a slide direction, and a top of the bent portion is displaced in a seat width direction while being interlocked with displacement of the seat body 2, thereby suppressing large protrusion of a part of the harness case 6 to a front side and a rear side in the slide direction with respect to an occupied region of the seat body 2.SELECTED DRAWING: Figure 2

Description

[Technical Field]

[0001] The present disclosure relates to a vehicle seat apparatus to be installed in a vehicle. [Background technology]

[0002] For example, in the invention described in Patent Document 1, one end of an electric harness is connected to the seat body, and the other end of the electric harness is fixed to a vehicle such as a conveyance, and a harness case is provided on the floor of the vehicle to store the excess length of the electric harness that occurs when the seat body slides. [Prior art documents] [Patent documents]

[0003] [Patent Document 1] Japanese Patent Application Laid-Open No. 2010-193599 Summary of the Invention [Problem to be solved by the invention]

[0004] In the invention described in Patent Document 1, when the sliding displacement length of the seat body increases, the excess length of the electric harness also increases accordingly, which results in a larger harness case installed on the floor.

[0005] When the harness case becomes large, the harness case protrudes significantly from the area occupied by the seat body. The present disclosure discloses an example of a vehicle seat apparatus that takes this into consideration. [Means for solving the problem]

[0006] It is desirable that a vehicle seat apparatus to be mounted on a vehicle has at least one of the following constituent features, for example. That is, the constituent elements include a seat body (2) having at least a seat cushion, a movable part (23) that slides and displaces relative to the vehicle together with the seat body (2), a harness (5) that is directly or indirectly connected to an electrical device provided on the movable part (23), the harness (5) having one end fixed to the movable part (23) and the other end fixed to the vehicle, and a harness case (6) in which at least a portion of the harness (5) is stored in a curved state, the harness case (6) being fixed to the floor of the vehicle, and at least a portion of the harness (5) present in the harness case (6) is stored in a curved state so as to be convex in a direction perpendicular to the sliding direction of the movable part (23), and the top (5D) of the curved portion (5C) is displaced in the "perpendicular direction."

[0007] This can reduce the portion of the harness case (6) that protrudes from the area occupied by the seat body (2) compared to a configuration in which the harness is stored in a curved state that is convex in a direction parallel to the sliding direction (see, for example, Patent Document 1).

[0008] That is, in the configuration described in Patent Document 1, a part of the harness case significantly protrudes forward and rearward in the sliding direction from the area occupied by the seat body (2). In contrast, in the vehicle seat device, the portion of the harness (5) stored in the harness case (6) is stored in a curved state so as to be convex in a direction perpendicular to the sliding direction, and the top (5D) of the curved portion (5C) is displaced in the "perpendicular direction" in conjunction with the displacement of the movable part (23), so that it is possible to prevent a portion of the harness case (6) from protruding significantly forward or backward in the sliding direction from the area occupied by the seat body (2).

[0009] The vehicle seat device may have the following configuration, for example. It is desirable that a curvature-inducing portion 6C be provided in the harness case 6 to curve the harness 5 in the harness case 6 so that it is convex in the "orthogonal direction." This allows the apex 5D of the curved portion 5C to be displaced stably.

[0010] In other words, if the bending-inducing portion (6C) is not provided, the direction of bending of the harness (5) becomes indefinite, and the behavior of the harness (5) becomes unstable. In contrast, in the vehicle seat device, the bending-inducing portion (6C) causes the harness (5) to bend in the "orthogonal direction" from the initial state, and therefore the top (5D) of the curved portion (5C) can be displaced stably.

[0011] It is desirable that the portion of the curvature inducing portion (6C) that comes into contact with the harness (5) has a smoothly continuous curved surface. It is desirable to provide a movable support 8 that displaces together with the top 5D in response to the displacement of the top 5D and that can withstand the vertical load acting on the harness case 6. This can prevent the harness case 6 from deforming and causing strong friction between the inner wall surface of the harness case 6 and the harness 5.

[0012] Furthermore, the movable support column 8 has a first support column 8A disposed on one side of the top 5D and a second support column 8B disposed on the other side, and it is preferable that the first support column 8A and the second support column 8B are connected to each other, so that the movable support column 8 is displaced mechanically in conjunction with the displacement of the top 5D.

[0013] Incidentally, the symbols in each of the parentheses above are examples showing the correspondence with the specific configurations, etc. described in the embodiments described below, and the present disclosure is not limited to the specific configurations, etc. shown by the symbols in the parentheses above. [Brief explanation of the drawings]

[0014] [Figure 1]1 is a diagram showing a vehicle seat device according to a first embodiment. [Figure 2] 1 is a diagram showing a harness device according to a first embodiment. [Figure 3] 1 is a diagram showing a harness device according to a first embodiment. [Figure 4] 1 is a diagram showing a harness device according to a first embodiment. [Figure 5] 1 is a diagram showing a harness device according to a first embodiment. [Figure 6] 1 is a diagram showing a harness device according to a first embodiment. [Figure 7] FIG. 2 is a diagram showing a case cover according to the first embodiment. DETAILED DESCRIPTION OF THE INVENTION

[0015] The following "embodiments of the invention" are examples of embodiments that fall within the technical scope of the present disclosure. In other words, the invention-specific matters described in the claims are not limited to the specific configurations and structures shown in the following embodiments.

[0016] This embodiment is an example in which a vehicle seat device according to the present disclosure is applied to a vehicle seat device including a seat (hereinafter referred to as a vehicle seat) mounted on a vehicle such as a car. Arrows and diagonal lines indicating directions are added to each figure to make it easier to understand the relationship between the figures and the shapes of components or parts.

[0017] Therefore, the vehicle seat apparatus is not limited to the directions indicated in the drawings. The directions indicated in the drawings are directions when the vehicle seat according to the present embodiment is assembled to a vehicle. Diagrams indicated with hatching do not necessarily represent cross-sectional views.

[0018] At least one of a member or part that is described with a reference numeral is provided unless otherwise specified, such as "one." In other words, unless otherwise specified, such as "one," two or more members may be provided. The vehicle seat device disclosed in the present disclosure includes at least one of the components, such as the member or part, that are described with a reference numeral and the structural parts shown in the drawings.

[0019] (First embodiment) <1. Overview of the vehicle seat device> 1, the vehicle seat device 1 includes at least a seat body 2, at least one (in this embodiment, a plurality of) slide devices 3, and a harness device 4. The seat body 2 includes a seat cushion 21, a seat back 22, and the like.

[0020] The seat back 22 is a portion for supporting the upper body of the seated occupant. The seat cushion 21 is a portion for supporting the lower body of the seated occupant. Each slide device 3 supports the seat body 2 so that it can slide.

[0021] The first slide device 3 supports the seat body 2 at one end in the seat width direction. The second slide device 3 supports the seat body 2 at the other end in the seat width direction. The first slide device 3 and the second slide device 3 have the same structure.

[0022] Each slide device 3 is configured to include a fixed rail 3A and a movable rail 3B. Each fixed rail 3A is a rail member fixed to the vehicle. Each movable rail 3B is slidable relative to the corresponding fixed rail 3A.

[0023] A seat body 2 is fixed to each movable rail 3B. Therefore, the seat body 2 can slide along each movable rail 3B relative to the vehicle. Hereinafter, the seat body 2 and the two movable rails 3B will be collectively referred to as a movable section 23.

[0024] The harness device 4 is a device capable of storing and feeding out a portion of the electrical wiring (hereinafter referred to as the harness) 5. The harness 5 electrically connects an electrical device (not shown) provided on the movable part 23 to the vehicle side. For this reason, one end of the harness 5 is fixed to the movable part 23, and the other end is fixed to the vehicle.

[0025] <2. Details of the harness device> 2, the harness device 4 is configured to include at least a harness case 6 and a slider 7. The harness case 6 stores at least a portion of the harness 5 in a curved state. The harness case 6 is fixed to the floor of the vehicle.

[0026] The slider 7 is capable of sliding displacement in a direction parallel to the sliding direction of the movable portion 23. Fig. 3 shows a state in which the slider 7 has been advanced from the harness case 6. Fig. 4 shows a state in which the slider 7 has been housed within the harness case 6. In this way, the slider 7 is displaced in and out of the harness case 6 by sliding displacement.

[0027] The slider 7 is a cylindrical member, and is fixed to the harness 5 with the harness 5 passing through it. That is, the portion of the harness 5 to which the slider 7 is fixed is displaceable in and out of the harness case 6.

[0028] Hereinafter, the area of ​​the harness 5 on the electrical device side of the slider 7 will be referred to as a first harness 5A, and the area of ​​the harness 5 on the vehicle side of the slider 7 and present within the harness case 6 will be referred to as a second harness 5B.

[0029] That is, one end of the first harness 5A is fixed to the movable part 23, and the other end is fixed to the slider 7. Therefore, one end of the first harness 5A is displaced together with the movable part 23, and the other end of the first harness 5A is displaced together with the slider 7.

[0030] 5, the harness case 6 includes a case body 6A and a case cover 6B. The case body 6A is a part fixed to a vehicle. The case cover 6B is fixed to the case body 6A from the upper side of the case body 6A.

[0031] A portion of the second harness 5B is stored in an approximately U-shaped curve so that it is convex in a horizontal direction (in this embodiment, the seat width direction) perpendicular to the sliding direction of the movable part 23 (in this embodiment, the seat front-to-rear direction).

[0032] When the slider 7 is displaced, as shown in Figures 5 and 6, the curved portion 5C of the second harness 5B remains curved in an approximately U-shape, while the top 5D of the portion 5C is displaced in a horizontal direction perpendicular to the sliding direction, i.e., in the seat width direction.

[0033] Specifically, when the slider 7 is extended from the harness case 6, the top portion 5D is located on one end side in the seat width direction (on the right side in FIG. 6). When the slider 7 is stored in the harness case 6, the top portion 5D is located on the other end side in the seat width direction (on the left side in FIG. 5) compared to when the slider 7 was extended from the harness case 6.

[0034] <Harness case> 7, a bending induction portion 6C is provided inside the harness case 6 (in this embodiment, the case cover 6B). The bending induction portion 6C is a portion that bends a part of the second harness 5B so as to be convex in the seat width direction.

[0035] That is, the second harness 5B is always stored in the harness case 6 in a state where it is curved in a substantially U-shape so that a part of it is convex in the seat width direction. The part of the curvature inducing portion 6C that comes into contact with the second harness 5B is formed as a smoothly continuous curved surface.

[0036] A movable support column 8 is provided inside the harness case 6. As shown in Figures 5 and 6, the movable support column 8 is a member that moves parallel to the seat width direction together with the top portion 5D in response to the displacement of the top portion 5D.

[0037] The movable support pillar 8 is a columnar or cylindrical member extending in the vertical direction, and is a strong member capable of withstanding the vertical load acting on the harness case 6. The movable support pillar 8 is configured to have a first support pillar 8A, a second support pillar 8B, etc.

[0038] The first support pillar 8A is disposed on one side of the top 5D, and the second support pillar 8B is disposed on the other side of the top 5D. The first support pillar 8A and the second support pillar 8B are connected on the case body 6A side or the case cover 6B side.

[0039] Specifically, a connecting portion 8C (see FIG. 6) extending in the seat width direction is provided on the case cover 6B side of the first support pillar 8A and the second support pillar 8B. The case cover 6B is provided with a groove portion 8D (see FIG. 7) into which the connecting portion 8C is slidably fitted.

[0040] Therefore, when the top portion 5D is displaced in the seat width direction, the movable support portion 8 is guided by the groove portion 8D extending in the seat width direction and displaces in the seat width direction together with the top portion 5D. Note that in this embodiment, the curvature inducing portion 6C also constitutes a strength member that resists the vertical load acting on the harness case 6.

[0041] 3. Features of the vehicle seat device (particularly, the harness device) according to this embodiment In the vehicle seat device 1 according to this embodiment, the sum of the slidable length of the slider 7 and the extra length of the first harness 5A is the extra length of the harness 5, that is, the length over which the seat body 2 can slide.

[0042] That is, the postures of the first harness 5A and the second harness 5B change in accordance with the sliding displacement of the seat main body 2. When the seat main body 2 is in the most forward position (hereinafter referred to as the FM position), as shown in Fig. 4, the first harness 5A is extended forward and the slider 7 is housed in the harness case 6.

[0043] When the seat body 2 is in the rearmost position (hereinafter referred to as the RM position), the first harness 5A extends rearward and the slider 7 is extended out from the harness case 6, as shown in Figure 2.

[0044] When the seat body 2 is between the FM position and the RM position, for example, as shown in Figure 3, the first harness 5A is extended forward and the slider 7 is fed out from the harness case 6.

[0045] As a result, when the movable part 23 is in the FM position or when the movable part 23 is in the RM position, the slider 7 is positioned in a position that is difficult for the occupant to see. Therefore, even when the seat body 2 slides significantly, the slider 7 and the harness 5 can be prevented from being seen by the occupant.

[0046] In the harness device 4 of this embodiment, the portion of the harness case 6 that protrudes from the occupied area of ​​the seat body 2 can be smaller than in a configuration in which the harness 5 is stored in a curved state that is convex in a direction parallel to the sliding direction (see, for example, Patent Document 1).

[0047] That is, in the configuration described in Patent Document 1, a part of the harness case significantly protrudes forward and rearward in the sliding direction relative to the area occupied by the seat body 2. In contrast to this, in the present embodiment, the second harness 5B is stored in a curved state so that it is convex in a direction perpendicular to the sliding direction, and the top 5D of the curved portion 5C is displaced in the seat width direction in conjunction with the displacement of the movable part 23, so that it is possible to prevent a portion of the harness case 6 from protruding significantly forward or backward in the sliding direction from the area occupied by the seat main body 2.

[0048] A bending inducing portion 6C is provided inside the harness case 6. This makes it possible to stably displace the top portion 5D of the curved portion 5C. In other words, if the bending inducing portion 6C were not provided, the direction of the curve of the second harness 5B would be indefinite, and the behavior of the second harness 5B would be unstable.

[0049] In contrast, in the harness case 6, the second harness 5B is curved in the seat width direction from the initial state by the curve induction portion 6C, so that the top portion 5D of the curved portion 5C can be displaced stably.

[0050] Furthermore, in this embodiment, the movable support 8 is provided, which is displaced together with the top 5D in response to the displacement of the top 5D. This can prevent the harness case 6 from being deformed and the inner wall surface of the harness case 6 from rubbing strongly against the harness 5.

[0051] (Other embodiments) The movable support column 8 according to the above embodiment is configured with a first support column 8A and a second support column 8B that are connected to each other. However, the present disclosure is not limited to this. That is, the present disclosure may be configured with, for example, a single support column and a spring that displaces the support column.

[0052] In the above-described embodiment, the curvature inducing portion 6C is provided. However, the present disclosure is not limited to this. That is, the present disclosure may be configured such that the curvature inducing portion 6C is eliminated, for example.

[0053] In the above-described embodiment, the vehicle seat according to the present disclosure is applied to a vehicle. However, the application of the invention disclosed in this specification is not limited thereto. That is, the present disclosure can also be applied to seats used in vehicles such as railway cars, ships, and aircraft, as well as stationary seats used in theaters, homes, etc.

[0054] Furthermore, the present disclosure is not limited to the above-described embodiments as long as it conforms to the spirit of the disclosure described in the above-described embodiments. Therefore, the present disclosure may be a configuration in which at least two of the above-described embodiments are combined, or a configuration in which any of the components illustrated or described with reference numerals in the above-described embodiments is eliminated. [Explanation of symbols]

[0055] 1... Vehicle seat device 2... Seat body 3... Slide device 4... Harness device 5... Harness 5A... 1st harness 5B... 2nd harness 6... Harness case 6A... Case body 6B... Case cover 6C... Curvature induction section 7. Slider 8… Movable support section 8A... 1st pillar part 8B... 2nd pillar part 8C…Connection part 8D…Groove

Claims

1. In a vehicle seat device to be mounted on a vehicle, a movable portion including a seat body having at least a seat cushion, the movable portion slidingly displacing together with the seat body relative to the vehicle; a harness directly or indirectly connected to an electrical device provided in the movable part, the harness having one end fixed to the movable part and the other end fixed to a vehicle; a harness case in which at least a portion of the harness is stored in a curved state, the harness case being fixed to a floor of a vehicle; At least a portion of the harness present in the harness case is stored in a curved state so that it is convex in a direction perpendicular to the sliding direction of the movable part, and the apex of the curved portion is displaceable in the ``perpendicular direction.''

2. The vehicle seat device according to claim 1, wherein a curvature induction portion is provided within the harness case to curve the harness present within the harness case so as to be convex in the "orthogonal direction."

3. 3. The vehicle seat apparatus according to claim 2, wherein the portion of the curvature induction portion that comes into contact with the harness has a smoothly continuous curved surface.

4. 4. The vehicle seat device according to claim 2, further comprising a movable support portion that displaces together with the top portion in conjunction with the displacement of the top portion, and that is capable of resisting vertical loads acting on the harness case.

5. the movable support column has a first support column disposed on one side of the top portion and a second support column disposed on the other side thereof, 5. The vehicle seat apparatus according to claim 4, wherein the first support pillar and the second support pillar are connected to each other.

Images