JP2013216128A - Vehicle seat - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a space-saving and lightweight vehicle seat with reduced number of components, while improving high assemblability and ease of use for occupants.SOLUTION: A rising wall 11 that rises beyond the upper surface of a seat cushion 3 is provided at a corner section C of the seat cushion 3. The rising wall 11 is formed of a skin material 40 of the seat cushion 3. A skin material 16 for forming the corner section C is extended beyond the upper surface of the seat cushion 3 and folded downward above the upper surface of the seat cushion 3. The lower end of the folded skin material 16 is sewn on the skin material 16 forming the corner section C, to form the rising wall 11.

Description

  The present invention relates to a vehicle seat.

When an accessory falls on the floor from the upper surface of the seat cushion of the vehicle seat, the occupant must search for the accessory on the floor. Even if an occupant searches for an accessory, if the accessory enters a narrow space, it takes time to take out the accessory.
Therefore, conventionally, as disclosed in Patent Document 1, a tray is arranged between the seat cushion and the floor so that small articles are dropped and accommodated in the tray (see Patent Document 1).

JP 2010-274773 A

According to the above-described conventional structure, since the tray for storing small items is disposed between the seat cushion and the floor, a wide space for disposing the tray is required.
In addition, the increase in the number of parts increases the weight and decreases the workability of the assembly work.
In addition, the crew had to pick up the small items that fell on the tray, and the crew was not easy to use.
The object of the present invention is to reduce the space, reduce the number of parts, reduce the weight, improve the workability of the assembly work, and improve the usability of the occupant. Is to provide

The feature of the present invention is that
In the corner portion of the outer peripheral wall of the seat cushion, a rising wall that rises above the upper surface of the seat cushion is provided,
The rising wall is formed by a skin material of the seat cushion. (Claim 1)

According to this configuration, the accessory moving on the seat cushion can be received by the rising wall, and the accessory can be prevented from falling from the seat cushion.
For example, when the rising wall is formed of a resin material that is different from the skin material, the appearance is impaired. Also, when the rising wall touches the occupant, the occupant feels a foreign object. Furthermore, the weight of the rising wall increases.
On the other hand, according to the configuration of the present invention, since the rising wall is formed of the skin material of the seat cushion, the appearance quality can be improved. Moreover, the seat cushion can be reduced in weight by suppressing an increase in the weight of the rising wall. And even if a standing wall contacts a passenger | crew, a passenger | crew can make it hard to feel a foreign material feeling. Furthermore, compared to a structure in which a tray for storing small items is placed between the seat cushion and the floor, the space can be reduced, and the occupant's operation of picking up small items can be eliminated, improving the occupant's convenience. can do.
The rising wall becomes three-dimensional by providing the rising wall at the corner portion. Thereby, the rigidity of the rising wall is increased and the rising wall is not easily collapsed. Therefore, it is possible to reliably receive small items with the rising wall. (Claim 1)

In the present invention,
The skin material forming the corner portion extends upward from the upper surface of the seat cushion, and is folded downward and above the upper surface of the seat cushion, and the lower end portion of the folded skin material is the When the rising wall is formed by sewing on the skin material forming the corner portion, the following effects can be obtained. (Claim 2)

  The rising wall is supported by the outer peripheral wall of the seat cushion and is difficult to fall outward. Therefore, it is possible to make it easier to receive small items at the rising wall. (Claim 2)

In the present invention,
When the skin material forming the rising wall covers the core material having rigidity, the following effects can be obtained. (Claim 3)

  The rising wall can be made difficult to fall down, and small objects can be easily received by the rising wall. (Claim 3)

In the present invention,
The seat cushion extends outward in the seat width direction from the side surface of the seat back,
If the corner portion is the rear corner portion of the extending portion of the seat cushion, the following action can be achieved. (Claim 4)

In the structure in which the extended portion is cantilevered, the strength is weaker and the shape is more easily deformed toward the outer side in the sheet width direction of the extended portion. On the other hand, according to the said structure of this invention, the rigidity of an extension part can be improved by providing the said standing wall in the rear-end part of an extension part.
Further, the rising wall functions as a protective material for the rear end surface of the extending portion of the seat cushion, and can prevent the skin material from being torn by the occupant's foot contact or luggage contact from the rear seat. (Claim 4)

In the present invention,
A buckle storage groove for storing the buckle of the seat belt is formed in the extension part,
The buckle storage groove opens in the vertical direction and the seat rear side,
When the rising wall is formed from the rear corner portion of the extending portion of the seat cushion to the inner side surface of the buckle housing groove, the following effect can be achieved. (Claim 5)

  Since the rising wall is formed from the rear corner portion of the extending portion of the seat cushion to the inner surface side of the buckle housing groove, it is possible to prevent small articles from entering the buckle housing groove. (Claim 5)

In the present invention,
A sewing line is formed along the seat width direction in the skin material on the front side of the seat from the rear end of the extending portion of the seat cushion,
The skin material forming the end portion on the seat front side of the rising wall is bent to the inner surface side of the rising wall along the sewing line,
When the skin material bent to the inner surface side of the rising wall is co-sewn to the sewing portions of the pair of skin materials forming the sewing line, the following effects can be obtained. (Claim 6)

  Since the skin material bent to the inner surface side of the rising wall is co-sewn to the sewing portion of the pair of skin materials forming the sewing line, the rising wall is less likely to fall outside the extension portion. it can. (Claim 6)

According to the present invention,
It is possible to provide a vehicle seat that can reduce the space, reduce the number of parts, reduce the weight, improve the workability of the assembly work, and improve the operability for passengers. It was.

A perspective view of the vehicle seat viewed from the left rear A perspective view showing a rising wall provided at the left rear corner of the seat cushion AA sectional view of FIG. It is a perspective view of another embodiment, and is a perspective view showing a rising wall provided at the left rear corner portion of the seat cushion BB sectional view of FIG.

Hereinafter, embodiments for carrying out the present invention will be described with reference to the drawings.
FIG. 1 shows a vehicle seat 2 supported by a support frame 1. The vehicle seat 2 includes a seat cushion 3 that supports the buttocks and thighs of an occupant (a seated person), and a seat back 4 that supports the back of the occupant. A headrest 5 that supports an occupant's head is connected to the upper end of the seat back 4.

  Further, an armrest 6 is supported on one side (left side) of the seat back 4 so as to be swingable around the lower horizontal axis O. The armrest 6 rotates around the horizontal axis O and is switched between a use posture along the seat longitudinal direction and a retracted posture along the vertical direction (see FIG. 1).

  The seat cushion 3 includes a seat frame 13 (see FIG. 3), a seat cushion pad 7 supported by the seat frame 13 (see FIG. 3), and a skin material 40 (see FIG. 3) covering the seat cushion pad 7. Become. The seat cushion pad 7 is made of urethane foam.

  The seat cushion 3 extends over the entire length of the seat cushion 3 on the outer side W2 (left side) in the seat width direction from the one side surface (left side surface) 4S of the seat back 4. The extension portion 8 of the seat cushion 3 that extends to the outer side W2 in the seat width direction is located below the armrest 6 in the use posture. A buckle storage groove 10 for storing the buckle 9 of the seat belt device is formed in the extension portion 8.

  As shown in FIG. 2, the buckle storage groove 10 is formed long in the front-rear direction of the seat, and is open in the up-down direction and the rear side Rr of the seat. Of the inner side surfaces 10S1 and 10S2 (see FIGS. 2 and 3) of the buckle storage groove 10, the inner side surface 10S2 located on the center side in the seat width direction of the seat cushion 3 is one side surface of the seat back 4 in the seat width direction. It is located at substantially the same position as 4S (see FIG. 1).

In the vehicle seat 2 described above, the rear end portion 8 </ b> K of the extending portion 8 of the seat cushion 3 positioned below the armrest 6 is not blocked by the seatback 4. Further, as described above, the buckle housing groove 10 is provided in the rear end portion 8K of the extending portion 8 near the seat back 4. In this type of vehicle seat 2, small items placed on the upper surface 3J (seat surface) of the seat cushion 3 roll to the seat rear side Rr and fall to the floor, or roll to the buckle storage groove 10 side to store the buckle. There is a risk of entering the groove 10.
Therefore, as shown in FIGS. 2 and 3, the rising wall 11 rising above the upper surface 3J of the seat cushion 3 is a rear corner portion C of the extension portion 8 of the seat cushion 3 (a corner of the outer peripheral wall of the seat cushion 3). To the inner side surface 10S1 side of the buckle storage groove 10. The height dimension of the rising wall 11 from the upper surface 3J of the seat cushion 3 is set to about 15 mm (the height dimension is not limited to 15 mm).

[Structure of the extension 8 of the seat cushion 3]
As shown in FIG. 3, the rear end portion 8K of the extending portion 8 (the portion of the extending portion 8 located on the side of the buckle housing groove 10) is the center in the width direction of the extending portion 8 (sheet width direction) Are formed symmetrically with respect to the center of the extending portion 8). Further, a U-shaped concave section 12 having a lower open side is formed at the lower end portion in the middle of the width direction of the seat cushion pad portion 7A forming the rear end portion 8K of the extending portion 8.

  The recess 12 is fitted from above into the upper half of a U-shaped seat frame 13 whose lower side is open. The seat frame 13 is made of metal.

The seat cushion pad portion 7 </ b> A is covered with the following skin materials (1) to (4) which are a part of the skin material 40.
(1) Lower side skin material 14 covering the lower outer peripheral surface of the seat cushion pad portion 7A
(2) Upper first side skin material 15 covering the upper outer peripheral surface of the seat cushion pad portion 7A
(3) Upper second side skin material 16 that overlaps the upper first side skin material 15 from the outside and covers the upper outer circumferential surface (corresponding to the skin material forming the corner portion of the outer peripheral wall of the seat cushion)
(4) Upper surface side skin material 17 covering the upper surface of the seat cushion pad portion 7A

  A hook 18 is connected to the lower end of the lower side skin material 14. The hook 18 is engaged with the lower end of the seat frame 13. Further, the peripheral portion of the upper surface side skin material 17 and the upper end portion of the upper first side skin material 15 are sewn. The upper end portion of the upper first side skin material 15 is folded back on the back surface side (the seat cushion pad 7 side).

  The upper second side skin material 16 extends upward from the upper surface 3J of the seat cushion 3. Further, the upper second side skin material 16 is folded back to the lower outside of the extending portion 8 above the upper surface 3J of the seat cushion 3 to cover the carpet material 19 (corresponding to the core material) having rigidity. Yes.

  The lower end portion of the carpet material 19, both lower end portions of the upper second side skin material 16, the lower end portion of the upper first side skin material 15, and the upper end portion of the lower side skin material 14 are integrally stitched together. Has been. The upper end portion of the lower side skin material 14 is folded back on the back side (the seat cushion pad 7 side).

  The rising wall 11 is configured by sewing the upper second side skin material 16 to another skin material as described above. In addition, the first sewing line N of the sewing portion that is sewn together as described above is located about 10 mm to 20 mm below the upper surface 3J of the seat cushion 3 (upper surface 3J of the extending portion 8). Accordingly, the upper first side skin material 15 and the upper second side skin material 16 are set long in the vertical direction.

  As a result, the rising wall 11 is supported by the outer peripheral wall of the seat cushion 3 and does not easily fall to the outside of the extension portion 8. Therefore, it is possible to make it easier for the rising wall 11 to receive small items.

According to the above configuration,
(1) Small items moving on the seat cushion 3 can be received by the rising wall 11 to prevent the small items from falling from the seat cushion 3.
For example, when the rising wall 11 is formed of a resin material that is different from the skin material 40, the appearance is impaired. Further, when the rising wall 11 touches the passenger, the passenger feels a foreign object. Furthermore, the weight of the rising wall 11 increases.
On the other hand, according to the configuration of the present invention, since the rising wall 11 is formed by the skin material 40 of the seat cushion 3, the appearance quality can be improved. Moreover, the seat cushion 3 can be reduced in weight by suppressing an increase in the weight of the rising wall 11. And even if the rising wall 11 contacts an occupant, the occupant can hardly feel a foreign object. Furthermore, compared to a structure in which a tray for storing small items is arranged between the seat cushion 3 and the floor, the space can be reduced, and the occupant's operation of picking up small items can be eliminated, so that the occupant's usability is improved. Can do well.
Then, by providing the rising wall 11 at the corner portion C, the rising wall 11 becomes three-dimensional. Thereby, the rigidity of the rising wall 11 becomes high and the rising wall 11 becomes difficult to fall down. Therefore, small articles can be reliably received by the rising wall 11.

(2) Since the upper second side skin material 16 covers the carpet material 19 as a core material having rigidity, the rising wall 11 can be made difficult to fall, and the rising wall 11 can easily receive small items. Can do.

(3) Since the rising wall 11 is formed from the rear corner portion C of the extending portion 8 of the seat cushion 3 to the inner side surface 10S1 side of the buckle housing groove 10, it is assumed that the accessory enters the buckle housing groove 10. Can be prevented.

(4) As described above, in the structure in which the extending portion 8 is cantilevered, the strength is weaker and the outer side W2 of the extending portion 8 is weaker and is likely to be deformed. On the other hand, according to the configuration of the present invention, by providing the rising wall 11 at the rear end portion 8K of the extension portion 8, the rigidity of the extension portion 8 can be improved. Further, the rising wall 11 serves as a protective material for the rear end surface of the extending portion 8 of the seat cushion 3, and can prevent the skin material 40 from being torn by the occupant's foot contact or luggage contact from the rear seat.

[Another embodiment]
As shown in FIGS. 4 and 5, the seat cushion pad portion 7 </ b> A is covered with the following skin materials (1) to (3), which are a part of the skin material 40.
(1) Side skin material 20 covering the outer peripheral surface of the seat cushion pad portion 7A
(2) Upper surface side skin material 17 covering the upper surface of the seat cushion pad portion 7A
(3) A rising skin material 21 that rises above the upper surface 3J of the seat cushion 3 to form the rising wall 11 from between the upper end portion of the side skin material 20 and the peripheral portion of the upper surface side skin material 17.

The rising skin material 21 is folded back to the lower outside of the extension portion 8 above the upper surface 3J of the seat cushion 3 and covers the carpet material 19 having rigidity.
And the lower end part of the carpet material 19, the both lower end parts of the standing skin material 21, the peripheral part of the upper surface side skin material 17, and the upper end part of the side skin material 20 are integrally sewn together. The upper end portion of the side skin material 20 is folded back on the back surface side (the seat cushion pad 7 side).

  As shown in FIG. 4, a second sewing line L is formed along the seat width direction in the skin material 40 on the front side Fr of the seat from the rear end of the extending portion 8 of the seat cushion 3. And the skin material (the front end portion 21A of the rising skin material 21) that forms the end of the seat front side Fr of the rising wall 11 is on the inner surface 11N side of the rising wall 11 along the second sewing line L. It is bent. Further, the skin material (the front end portion 21A of the rising skin material 21) bent to the inner surface 11N side of the rising wall 11 is sewn together with the sewing portions of the pair of skin materials forming the second sewing line L. Yes.

  Thereby, the rising wall 11 can be made difficult to fall outside the extension portion 8. Accordingly, it is necessary to lower the first sewing line N of the sewing portion between the lower end portion of the carpet material 19, both lower end portions of the rising skin material 21, the peripheral portion of the upper surface side skin material 17, and the upper end portion of the side skin material 20. Also disappear.

  The core material may be composed of a member other than the carpet material 19 and having rigidity used as a skin material of the seat cushion 3.

DESCRIPTION OF SYMBOLS 3 Seat cushion 3J Seat cushion upper surface 4 Seat back 4S Seat back side surface 8 Extension part 9 Buckle 10 Buckle storage groove 10S1 Buckle storage groove inner surface 11 Standing wall 11N Standing wall inner surface 16 Upper second side skin material (corner) Skin material forming part, skin material forming rising wall)
19 Core material (carpet material)
21A skin material (skin material that forms the edge of the rising wall on the front side of the seat (front edge of the rising skin material))
40 Seat cushion skin material C Corner (rear corner)
L Sewing line (second sewing line)
Fr Seat front side Rr Seat rear side W2 Seat width direction outside

Claims (6)

In the corner portion of the outer peripheral wall of the seat cushion, a rising wall that rises above the upper surface of the seat cushion is provided,
The rising wall is a vehicle seat formed of a skin material of the seat cushion.   The skin material forming the corner portion extends upward from the upper surface of the seat cushion, and is folded downward and above the upper surface of the seat cushion, and the lower end portion of the folded skin material is the The vehicle seat according to claim 1, wherein the rising wall is formed by sewing on a skin material forming a corner portion.   The vehicle seat according to claim 1 or 2, wherein the skin material forming the rising wall covers a core material having rigidity. The seat cushion extends outward in the seat width direction from the side surface of the seat back,
The vehicle seat according to any one of claims 1 to 3, wherein the corner portion is a rear corner portion of the extending portion of the seat cushion. A buckle storage groove for storing the buckle of the seat belt is formed in the extension part,
The buckle storage groove opens in the vertical direction and the seat rear side,
The vehicle seat according to claim 4, wherein the rising wall is formed from a rear corner portion of the extending portion of the seat cushion to an inner side surface side of the buckle housing groove. A sewing line is formed along the seat width direction in the skin material on the front side of the seat from the rear end of the extending portion of the seat cushion,
The skin material forming the end portion on the seat front side of the rising wall is bent to the inner surface side of the rising wall along the sewing line,
The vehicle seat according to claim 5, wherein the skin material bent toward the inner surface side of the rising wall is sewn together to a sewing portion of a pair of skin materials forming the sewing line.

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