JP6776791B2 - Vehicle seat - Google Patents

Description

The present application relates to seats for automobiles or seats for vehicles such as railroad vehicles, ships and aircraft.

For example, the vehicle seat described in Patent Document 1 has a frame made of wire and a stay holder welded and fixed to the frame, and the entire frame including the stay holder is made of a porous elastic member such as urethane. It is covered with a pad composed of.

The stay holder is a tubular member into which the stay portion of the headrest is inserted, and is also called a support bracket. The stay portion is a rod-shaped member extending from the pillow-shaped headrest body toward the stay holder side.

Japanese Unexamined Patent Publication No. 11-1871

The stay portion is usually inserted and attached to the support bracket via the headrest support. That is, the headrest support is inserted into the support bracket, and the headrest support is provided with an insertion hole into which the stay portion is inserted. The headrest support is detachably fixed to the support bracket by an engaging portion such as a protruding claw.

Then, the entire support bracket including the engaging portion and the like is embedded in the pad. Therefore, since the operator cannot easily access the engaging portion embedded in the pad, the work of removing the headrest support from the support bracket cannot be easily performed.

In view of the above points, the present application provides a vehicle seat in which the headrest support can be easily removed from the support bracket.

In the present application, a tubular headrest support (13) provided with a back frame (7) constituting the skeleton of the seat back (5) and an insertion hole (13A) into which the stay portion (11A) of the headrest (11) is inserted. ) And a tubular support bracket (15) provided on the upper end side of the back frame (7) and into which the headrest support (13) is detachably inserted, and is a locking provided on the headrest support (13). A support bracket (15) having a locked portion (15A) that locks with the portion (13B), and a pad portion (17) that covers at least the rear side of the seat from the support bracket (15) among the back frame (7). It has.

The pad portion (17) is provided with a recess (17A) recessed from the rear side of the seat to the support bracket (15) side, and further, the upper surface (17D) of the recess (17A) in the vertical direction of the seat is formed. It is located above the locked portion (15A).

As a result, the operator can easily access the locking portion (13B) or the locked portion (15A) from the recess (17A). Therefore, in the present application, even if the back frame (7) is covered with the pad portion (17), it is possible to obtain a vehicle seat in which the headrest support can be easily removed from the support bracket.

The present application may be configured as follows.
That is, the locked portion (15A) and the recess (17A) are provided at least on one end side in the seat width direction with respect to the headrest support (13), and are further located at the bottom of the recess (17A) and before and after the seat. It is desirable that the bottom surface (17E) intersecting the direction is located on the front side of the seat from the locked portion (15A). As a result, the operator can reliably access the locking portion (13B) or the locked portion (15A).

When the locked portions (15A) are provided on both sides in the seat width direction with the headrest support (13) in between, the recesses (17A) are also provided on both sides in the seat width direction with the headrest support (13) in between. It is desirable to be there. As a result, the operator can reliably access the locking portion (13B) or the locked portion (15A).

The pad portion (17) is curved along the outer peripheral surface of the support bracket (15) to cover the rear side of the support bracket (15) and both side surfaces in the seat width direction, and is integrated with the pad portion (17). It is desirable to have a covering portion (17B) provided on the.

As a result, when molding the pad portion (17) and the second pad portion (17), a special molding mold such as a slide core is not required, so that the pad portion (17) and the second pad portion (17) can be easily molded. 17) can be molded.

The locking portion (13B) is a protruding portion protruding from the side surface of the headrest support (13) toward the support bracket (15), and is an integrally molded product with the support bracket (15) made of resin. The stop portion (15A) is provided on the side surface of the support bracket (15) and is a through hole into which the locking portion (13B) can be fitted. Further, the locked portion (15A) is also a covering portion (17B). It is desirable that it is covered.

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 external perspective view of the vehicle seat which concerns on embodiment of this invention. It is an external view of the back frame 7 which concerns on embodiment of this invention. It is external perspective view of the vehicle seat which concerns on embodiment of this invention. It is sectional drawing of the headrest support 13 and the support bracket 15 vehicle seat which concerns on embodiment of this invention. It is a rear side external view of the vehicle seat which concerns on embodiment of this invention. FIG. 5 is an enlarged view of part A in FIG. FIG. 5 is an enlarged view of part A in FIG. FIG. 7 is a sectional view taken along the line AA of FIG. FIG. 7 is a cross-sectional view taken along the line BB of FIG. FIG. 7 is a cross-sectional view taken along the line CC of FIG.

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, two or more of the members may be provided.
(First Embodiment)
In this embodiment, the vehicle seat according to the present invention is applied to the rear seat of an ordinary passenger car. In addition, the direction in the following description means the direction in the state where the vehicle seat according to this embodiment is assembled to the vehicle.

1. 1. Outline of the vehicle seat As shown in FIG. 1, the vehicle seat 1 has at least a seat cushion 3 and a seat back 5. The seat cushion 3 is a portion for supporting the buttocks and the like of the seated person. The seat back 5 is a portion for supporting the back of the seated person.

The seat back 5 has at least a back frame 7 (see FIG. 2), a back pad 9 (see FIG. 3), a skin portion 5A (see FIG. 1), and the like. The back frame 7 constitutes the skeleton of the seat back 5. The back pad 9 is made of a cushioning material made of a porous elastic body such as urethane.

The skin portion 5A is a member that covers the back pad 9. The skin portion 5A is made of, for example, leather or synthetic leather. Note that FIG. 3 shows the seat back 5 before being covered with the skin portion 5A or the like.

As shown in FIG. 2, the back frame 7 according to the present embodiment is configured to have a plurality of wires 7A, 7B and the like. The wires 7A and 7B are solid round bar-shaped metal members. The back frame 7 is formed by welding and joining a vertical wire portion 7A extending substantially in the vertical direction and a horizontal wire portion 7B extending substantially in the sheet width direction.

2. Peripheral structure of the support bracket As shown in FIG. 1, a headrest 11 is mounted on the upper end side of the seat back 5. The headrest 11 is a member for supporting the head of a seated person. As shown in FIG. 2, the headrest 11 has a stay portion 11A.

The stay portion 11A is a rod-shaped member extending from the headrest main body 11B toward the seat back 5. The headrest 11 according to the present embodiment has two stay portions 11A, and the stay portions 11A are separated from each other in the seat width direction.

On the upper end side of the back frame 7, the same number of support brackets 15 as the stay portion 11A are provided. As shown in FIG. 4, the support bracket 15 is a tubular member into which the headrest support 13 is detachably inserted.

The support bracket 15 according to the present embodiment is made of metal and has a square tubular shape, and is welded and fixed to the back frame 7 (horizontal wire portion 7B on the upper side). The headrest support 13 is a tubular member provided with an insertion hole 13A into which the stay portion 11A is inserted. The headrest support 13 according to this embodiment is made of resin.

The support bracket 15 is provided with a locked portion 15A that locks with the locking portion 13B provided on the headrest support 13. The locking portion 13B and the locked portion 15A according to the present embodiment are provided on both sides in the seat width direction with respect to the headrest support 13.

The pair of locking portions 13B are protrusions protruding from the side surface of the headrest support 13 toward the support bracket 15, and can be elastically displaced in the seat width direction.
That is, the locking portion 13B is a snap-fit-shaped (leaf spring-shaped) portion that elastically bends and deforms in the seat width direction around the thin-walled portion 13C, and projects toward the support bracket 15 side at the tip end side thereof. It has a protrusion. The locking portion 13B is an integrally molded product with the support bracket 15 made of resin.

The locked portion 15A is provided on the side surface of the support bracket 15 and is a through hole into which the locking portion 13B can be fitted. That is, in a state where the locking portion 13B, which is a protrusion, is fitted into the locked portion 15A, which is a through hole, the locking portion 13B is locked to the locked portion 15A, as shown by the solid line in FIG. It becomes a state.

When the locking portion 13B is separated from the support bracket 15 and separated from the locked portion 15A, the locking portion 13B and the locked portion 15A are in an unlocked state as shown by the alternate long and short dash line in FIG. It becomes. Therefore, in order for the operator or the like to remove the headrest support 13 from the support bracket 15, the locking portion 13B may be pressed toward the through hole 13A to separate the locking portion 13B from the locked portion 15A.

Then, as shown in FIGS. 5 to 7, the pair of support brackets 15 are covered with a back pad 9 on the rear side of the seat. Hereinafter, among the back pads 9, the back pad 9 provided on the rear side of the seat with respect to the back frame 7 will be referred to as a pad portion 17.

The pad portion 17 has a recess 17A recessed from the rear side of the seat to the side of the support bracket 15, that is, the front side of the seat. As shown in FIG. 6, the recess 17A is recessed on the front side of the seat from the rearmost portion 17C of the covering portion 17B.

As shown in FIG. 7, the covering portion 17B is curved in a substantially C-shape or a substantially U-shape along the outer peripheral surface of the support bracket 15, and the rear side of the support bracket 15 and both side surfaces in the seat width direction. It is a part of the pad portion 17 that covers the above. That is, the cover portion 17B is an integrally molded product integrally molded together with the pad portion 17.

The upper surface 17D of the recess 17A (hereinafter referred to as the recess 17D) is located above the locked portion 15A as shown in FIGS. 8 to 10. The recessed upper surface 17D refers to the wall surface on the headrest 11 side of the wall surfaces constituting the recessed 17A.

"The upper surface 17D of the recess is located above the locked portion 15A" means that the locked portion 15A projected on the virtual plane orthogonal to the seat width direction is projected onto the virtual plane. The state that overlaps with. That is, the locked portion 15A projected on the virtual plane is located within the outer edge of the recess 17A projected on the virtual plane. The paper surface of FIGS. 8 to 9 coincides with the virtual plane.

Further, the bottom surface 17E (hereinafter referred to as the recess bottom surface 17E) which is located at the bottom of the recess 17A and intersects the seat front-rear direction is located on the front side of the seat from the locked portion 15A. The recess bottom surface 17E refers to a wall surface located on the front side of the seat from the rearmost portion 17C of the wall surfaces constituting the recess 17A.

Then, "the recess bottom surface 17E is located on the seat front side of the locked portion 15A" means that (a) the recess bottom surface 17E is engaged in the direction L1 orthogonal to the central axis direction Lo of the support bracket 15. It means a state in which the seat is located on the front side of the seat 15A from the stop portion 15A, or (b) a state in which the bottom surface 17E of the recess is located on the seat front side of the locked portion 15A in the depressed direction of the recess 17A.

3. 3. Features of the vehicle seat according to the present embodiment In the present embodiment, the recess 17A recessed from the rear side of the seat to the support bracket 15 side is provided in the pad portion 17, and the upper surface 17D of the recess 17A, that is, the upper surface 17D of the recess is , It is located above the locked portion 15A (see FIG. 6 and the like).

As a result, the operator can easily access the locking portion 13B or the locked portion 15A from the recess 17A. Therefore, in the vehicle seat 1 according to the present embodiment, even if the back frame 7 is covered with the pad portion 17, the headrest support can be easily removed from the support bracket.

The locked portion 15A and the recess 17A are provided at least on one end side in the seat width direction with respect to the headrest support 13, and the recess bottom surface 17E is located on the seat front side of the locked portion 15A (FIG. 5). reference). As a result, the operator can reliably access the locking portion 13B or the locked portion 15A.

Further, in the present embodiment, since the locked portions 15A are provided on both sides in the seat width direction with the headrest support 13 interposed therebetween, the recesses 17A are also provided on both sides in the seat width direction with the headrest support 13 interposed therebetween (FIG. 5). As a result, the operator can reliably access the pair of locking portions 13B or the pair of locked portions 15A.

It is provided with a covering portion 17B that is curved along the outer peripheral surface of the support bracket 15 to cover the seat rear side and the seat width direction side surfaces of the support bracket 15 (see FIG. 6). As a result, when molding the pad portion 17 and the second pad portion 17, a special molding mold such as a slide core is not required, so that the pad portion 17 and the covering portion 17B can be easily molded.

In addition, in order to realize a configuration in which the pad portion 17 (cover portion 17B) is not provided on the outer peripheral surface of the support bracket 15, a special molding mold such as a slide core is required, so that the back pad 9 is used. Moldability may be significantly reduced.

(Other embodiments)
In the above-described embodiment, the locked portion 15A and the recess 17A are provided on both sides in the seat width direction with the headrest support 13 interposed therebetween. However, the invention disclosed in the present specification is not limited to this. That is, the locked portion 15A and the recess 17A may be provided at least on one end side in the seat width direction with respect to the headrest support 13.

In the above embodiment, the locking portion 13B and the locked portion 15A are covered by the covering portion 17B. However, the invention disclosed in the present specification is not limited to this. That is, for example, the locking portion 13B and the locked portion 15A, or the side surface of the support bracket 15 is not covered by the pad portion 17, and the locking portion 13B and the locked portion 15A are directly exposed. It may be a configuration.

In the above-described embodiment, the locking portion 13B and the locked portion 15A are provided on the side surfaces of the headrest support 13 and the support bracket 15 in the seat width direction. However, the invention disclosed in the present specification is not limited to this.

In the above-described embodiment, the vehicle seat according to the present invention is applied to the rear seat of an ordinary passenger car. However, the application of the present invention is not limited to this, and can be applied to other seats for automobiles or 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 5A ... Skin part 7 ... Back frame 9 ... Back pad 11 ... Headrest 11A ... Stay part 11B ... Headrest body 13 ... Headrest support 13A ... Insertion hole 13B ... Locking part 15 … Support bracket 15A… Locked part 17… Pad part 17A… Recess 17B… Cover part

Claims (4)

In a vehicle seat with a seat back that supports the back of the seated person
The back frame that constitutes the skeleton of the seat back and
A tubular headrest support with an insertion hole into which the stay part of the headrest is inserted, and
A tubular support bracket provided on the upper end side of the back frame and into which the headrest support is detachably inserted, and has a locked portion that locks with a locking portion provided on the headrest support. Bracket and
Of the back frame, at least a pad portion that covers the rear side of the seat from the support bracket is provided.
The pad portion, the support bracket recessed in side recesses provided we are from the sheet rear side,
Upper surface in the sheet vertical direction before Symbol recess is located on the upper side than the object to be engaged portion,
The pad portion, the with support covering the seat rear side and the sheet both widthwise side surfaces of the bracket, possess the pad portion and the cover portion provided integrally to be curved along the outer peripheral surface of the support bracket ,
Further, a vehicle seat in which the locked portion is also covered with the covering portion . The locked portion and the recess are provided at least on one end side in the seat width direction with respect to the headrest support.
The vehicle seat according to claim 1, wherein the bottom surface located at the bottom of the recess and intersecting the front-rear direction of the seat is located on the front side of the seat from the locked portion. The vehicle seat according to claim 2, wherein the locked portion and the recess are provided on both sides in the seat width direction with the headrest support interposed therebetween. The locking portion is a protrusion protruding from the side surface of the headrest support toward the support bracket.
The vehicle seat according to any one of claims 1 to 3 , wherein the locked portion is provided on a side surface of the support bracket and is a through hole into which the locking portion can be fitted .