JP2021183451A - Vehicular seat - Google Patents

Abstract

To provide a vehicular seat including a structure which can stably fix a pad member while achieving at least one of reduction of costs, reduction of a mass, and improvement of workability.SOLUTION: A vehicular seat includes: a frame member; a support member fixed to the frame member; and a pad member having an opening for receiving the support member and supported by the support member inserted into the opening. The pad member includes a first portion, a second portion, and a third portion which are formed at positions different from each other and supported by the support member. The first portion, the second portion, and the third portion are supported in directions different from each other by the support member.SELECTED DRAWING: Figure 4

Description

The present disclosure relates to vehicle seats.

In a vehicle seat, it has been conventionally practiced to fix a pad member made of urethane or the like to a frame. When fixing the pad member to the frame, an insert member is provided and integrated at the time of foam molding of the pad member, and the insert member and the mounting bracket of the frame are joined by bolts.

Japanese Patent Application Laid-Open No. 8-70954 (Patent Document 1) discloses a stay for supporting a headrest substrate made of a foamable resin on a seat back. The stay has a pair of parallel rod-shaped portions and a connecting portion connecting the two rod-shaped portions.

Japanese Unexamined Patent Publication No. 8-70954

In the structure where the insert member and the mounting bracket are joined with bolts, bolts are required, which is a factor of increasing cost and mass. In addition, the workability of bolt tightening work may be poor. It is required to stably fix the pad member to the frame while solving these problems. The structure described in Patent Document 1 does not necessarily fully satisfy the request.

An object of the present disclosure is to provide a vehicle seat comprising a structure capable of stably fixing a pad member while achieving at least one of cost reduction, mass reduction, and workability improvement. ..

The vehicle seat according to the present disclosure includes a frame member, a support member fixed to the frame member, and a pad member having an opening for receiving the support member and being supported by the support member inserted into the opening. , The pad members are formed at different positions and include a first portion, a second portion and a third portion, which are supported by the support members, respectively, and the first portion, the second portion, and the third portion have different directions from each other. Is supported by the support member.

In one embodiment, in the vehicle seat, the first and second portions are formed inside the opening and the third portion is formed outside the opening.

In one embodiment, in the vehicle seat, the support member supports the first and second portions of the pad member in a direction that widens the opening.

In one embodiment, in the vehicle seat, the support member has a circular axial cross section.

In one embodiment, in the vehicle seat, the support member comprises an insertion portion inserted into the opening, the insertion portion comprising a crank shape.

In one embodiment, in the vehicle seat, the support member comprises an insertion portion inserted into the opening, the insertion portion comprising a folded shape.

In one embodiment, in the vehicle seat, the frame member is included in the center seat frame of the rear seat of the vehicle, and the pad member is a cushioning material for the seat back.

In one embodiment, in the vehicle seat, when the pad member is viewed from the insertion direction of the support member, the opening is formed in a part of the width direction of the pad member.

According to the vehicle seat according to the present disclosure, the pad member can be stably fixed while achieving at least one of cost reduction, mass reduction, and workability improvement.

It is a figure which shows the seat frame included in the vehicle seat which concerns on one Embodiment of this disclosure. It is a figure which shows the frame member and the support member in the seat frame of FIG. It is a perspective view of the support member shown in FIG. 2 is a cross-sectional view showing a state in which a pad member is attached to the support member shown in FIGS. 2 and 3. It is a figure which shows the state which the pad member shown in FIG. 4 is seen from the direction of the arrow V in FIG. It is sectional drawing which shows the state which attached the pad member to the support member which concerns on a comparative example. It is sectional drawing which shows the state which attached the pad member to the support member which concerns on the modification.

Hereinafter, embodiments of the present disclosure will be described. In some cases, the same or corresponding parts are designated by the same reference numeral and the description thereof may not be repeated.

In the embodiments described below, when the number, quantity, etc. are referred to, the scope of the present disclosure is not necessarily limited to the number, quantity, etc., unless otherwise specified. Further, in the following embodiments, each component is not necessarily essential for the present disclosure unless otherwise specified.

In the present embodiment, an automobile seat, particularly a vehicle seat configured as a rear seat is exemplified, but the scope of the present disclosure is not limited thereto.

In the present embodiment, "front" and "rear" mean the front side and the rear side when viewed from the occupant seated on the vehicle seat, and "front-rear direction" means the direction connecting the front side and the rear side. .. In addition, "left" and "right" mean the left side and the right side when viewed from the occupant seated on the vehicle seat, and "width direction" means the direction connecting the left side and the right side. Means. Further, "upper" and "lower" mean the upper side and the lower side when viewed from the occupant seated on the vehicle seat, and "vertical direction" means the direction connecting the upper side and the lower side.

FIG. 1 is a diagram showing a seat frame included in a vehicle seat (vehicle seat) according to the present embodiment.

As described above, the vehicle seat according to the present embodiment is configured as a rear seat of an automobile. The seat frame 1 forms the skeleton of the seat, and includes the door side seat frame 2 and the center seat frame 3 as shown in FIG. On the opposite side (right side in FIG. 1) of the door side seat frame 2 with respect to the center seat frame 3, the other door side seat frame (not shown) is provided.

The center seat frame 3 includes a cushion frame 31 and a back frame 32. The cushion frame 31 forms the skeleton of the seat cushion on which the occupant can sit, and the back frame 32 forms the skeleton of the seat back on which the occupant can rest. The cushion frame 31 and the back frame 32 are configured by combining metal members in a frame shape.

The back frame 32 includes a frame member 100 and a support member 200. The support member 200 is fixed to the frame member 100. The support member 200 is composed of a wire-shaped member having a substantially circular (shape without corners) axial cross section. The support member 200 supports a pad member described later.

FIG. 2 is a side view of the frame member 100 and the support member 200 as viewed from the width direction, and FIG. 3 is a perspective view of the support member 200.

As shown in FIGS. 2 and 3, the support member 200 includes a fixed portion 210, a hanging portion 220, an insertion portion 230, and a connecting portion 240.

The fixing portion 210 is fixed to the frame member 100 by welding, for example. The hanging portion 220 is formed so as to extend downward from the fixed portion 210. The insertion portion 230 is inserted into the opening of the pad member described later. The connecting portion 240 connects a pair of symmetrically formed fixed portions 210, a hanging portion 220, and an insertion portion 230 in the width direction.

The insertion portion 230 has a crank shape including a first portion 231 and a second portion 232 and a third portion 233. The first portion 231 is provided on the proximal end side of the insertion portion 230. The second portion 232 is provided on the tip end side of the insertion portion 230. The second portion 232 is formed substantially parallel to the first portion 231 but is located at a position shifted upward from the first portion 231. The third portion 233 connects the first portion 231 and the second portion 232. The support member 200 is bent at the boundary between the first portion 231 and the third portion 233 and the boundary between the second portion 232 and the third portion 233, whereby a crank shape as shown in FIG. 2 is formed. Will be done.

FIG. 4 is a cross-sectional view showing a state in which the pad member 300 is attached to the support member 200. The pad member 300 is a cushioning material for the seat back. The pad member 300 is made of, for example, urethane foam. By providing a cover (exterior material) on the pad member 300, the backrest surface is configured.

As shown in FIG. 4, the pad member 300 has an opening 300A that receives the insertion portion 230 of the support member 200.

The pad member 300 includes a first portion 310, a second portion 320, and a third portion 330, respectively, which are supported by the support member 200. The first portion 310 and the second portion 320 are located inside the opening 300A and are supported by the first portion 231 and the second portion 232 of the insertion portion 230, respectively. The third portion 330 is located outside the opening 300A and is supported by the hanging portion 220 of the support member 200.

As shown in FIG. 4, the first portion 310, the second portion 320, and the third portion 330 of the pad member 300 have different directions (first portion 310: arrow F1 direction, second portion 320: arrow F2 direction,). Third part 330: supported in the direction of arrow F3). That is, the pad member 300 is supported in three different directions at three portions separated from each other. Further, the support member 200 supports the first portion 310 and the second portion 320 in the direction of expanding the opening 300A of the pad member 300.

Therefore, according to the structure shown in FIG. 4, the pad member 300 can be stably supported by the support member 200.

In FIG. 4 (the same applies to FIG. 7 described later), the first portion 310, the second portion 320, and the third portion 330 are shown in dots for convenience of illustration and explanation, but the first portion 310, The second portion 320 and the third portion 330 may be formed in a linear or planar shape.

FIG. 5 is a diagram showing a state in which the pad member 300 is viewed from the direction of the arrow V in FIG. As shown in FIG. 5, portions on both the left and right sides of the opening 300A are provided so that the opening 300A is not formed. That is, the opening 300A is formed in a part of the pad member 300 in the width direction. By doing so, the pad member 300 can be stably held even in the width direction.

FIG. 6 is a cross-sectional view showing a state in which the pad member is attached to the support member according to the comparative example. In the comparative example of FIG. 6, the insertion portion 230 is not formed in a crank shape but in a substantially linear shape when viewed from the width direction. In this case, the pad member 300 is more likely to move in the vertical direction as compared with the support structure shown in FIG. That is, the structure of FIG. 4 can support the pad member 300 more stably than the comparative example of FIG.

FIG. 7 is a cross-sectional view showing a state in which the pad member 300 is attached to the support member 200 according to the modified example. In the modified example of FIG. 7, the insertion portion 230 of the support member 200 does not have a crank shape, but has a folded shape in which the second portion 232 is folded back toward the base end side (hanging portion 220 side).

Also in the structure of FIG. 7, the first portion 310, the second portion 320, and the third portion 330 of the pad member 300 are in different directions (first portion 310: arrow F1 direction, second portion 320: arrow F2 direction, Supported in the third portion 330: arrow F3 direction), the support member 200 supports the first portion 310 and the second portion 320 in the direction of expanding the opening 300A of the pad member 300.

Therefore, even in the structure according to the modified example of FIG. 7, the pad member 300 can be stably supported by the support member 200 as in the example of FIG.

In the example of FIG. 7, the insertion portion 230 is formed in a substantially J-shape, but the insertion portion 230 may be formed in a substantially U-shape or a substantially V-shape. In the present specification, a substantially U-shaped shape or a substantially V-shaped shape is also referred to as a “folded shape”.

As described above, the vehicle seat according to the present embodiment has a frame member 100, a support member 200 fixed to the frame member 100, and an opening 300A for receiving the support member 200, and is inserted into the opening 300A. A pad member 300 supported by the support member 200 is provided. The pad member 300 includes a first portion 310, a second portion 320 and a third portion 330. The first portion 310, the second portion 320, and the third portion 330 are formed at different positions and are supported by the support member 200, respectively. The first portion 310, the second portion 320, and the third portion 330 are supported by the support member 200 from different directions.

According to the mounting structure according to the present embodiment, the pad member 300 can be stably fixed only by inserting the insertion portion 230 into the opening 300A of the pad member 300. In comparison, it is possible to reduce the cost and mass, and the workability of attaching the pad member 300 is also good.

Since the support member 200 supports the pad member 300 so as to expand the opening 300A, the pad member 300 is suppressed from swinging in the vertical direction as in the comparative example of FIG. 6, and the pad member 300 is stably fixed. Is possible.

Further, as shown in FIG. 5, since the opening 300A is provided in a part of the pad member 300 in the width direction, the pad member 300 is positioned in the width direction and the pad member is prevented from being displaced in the left-right direction. Therefore, the pad member 300 can be stably fixed.

Further, since the support member 200 has a circular axial cross section, it is possible to prevent the pad member 300 from being damaged when the insertion portion 230 of the support member 200 is inserted into the opening 300A.

In the above examples, the case where the pad member 300 is attached to the back frame 32 of the center seat frame 3 has been described, but the idea of the present disclosure can also be applied to, for example, the attachment structure of the headrest of the vehicle seat. ..

Although the embodiments of the present disclosure have been described above, it should be considered that the embodiments disclosed this time are exemplary in all respects and are not restrictive. The scope of the present disclosure is indicated by the scope of claims and is intended to include all modifications within the meaning and scope equivalent to the scope of claims.

1 seat frame, 2 door side seat frame, 3 center seat frame, 31 cushion frame, 32 back frame, 100 frame member, 200 support member, 210 fixed part, 220 hanging part, 230 insertion part, 240 connection part, 231 first Part, 232 second part, 233 third part, 300 pad member, 300A opening, 310 first part, 320 second part, 330 third part.

Claims (8)

With frame members
A support member fixed to the frame member and
It has an opening for receiving the support member, and includes a pad member supported by the support member inserted into the opening.
The pad members are formed at different positions from each other and include a first portion, a second portion and a third portion supported by the support member, respectively.
A vehicle seat in which the first portion, the second portion, and the third portion are supported by the support member from different directions. The vehicle seat according to claim 1, wherein the first portion and the second portion are formed inside the opening, and the third portion is formed outside the opening. The vehicle seat according to claim 2, wherein the support member supports the first portion and the second portion of the pad member in a direction of expanding the opening. The vehicle seat according to any one of claims 1 to 3, wherein the support member has a circular axial cross section. The vehicle seat according to any one of claims 1 to 4, wherein the support member includes an insertion portion inserted into the opening, and the insertion portion includes a crank shape. The vehicle seat according to any one of claims 1 to 4, wherein the support member includes an insertion portion to be inserted into the opening, and the insertion portion includes a folded shape. The frame member is included in the center seat frame of the rear seat of the vehicle.
The vehicle seat according to any one of claims 1 to 6, wherein the pad member is a cushioning material for a seat back. The vehicle according to any one of claims 1 to 7, wherein the opening is formed in a part of the width direction of the pad member when the pad member is viewed from the insertion direction of the support member. Sheet.

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