JP2008184035A - Vehicular seat - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a vehicular seat that achieves effective utilization of a headrest provided on the vehicular seat. <P>SOLUTION: The vehicular seat 1 is provided with a seat cushion 10, which is arranged so as to extend in the vehicle-width direction, and a seat back 20 arranged in an erected state with respect to the seat cushion 10. The seat back 20 is provided with a headrest 40 that is rotatable between a first rotation position and a second rotation position around a rotary shaft 45a extending in the width direction at the upper end side of the seat back 20. The headrest 40 is provided with a headrest face 41 for supporting a head part 2 of an occupant sitting on the seat and a storage part 43 for storing articles. In the first rotation position, the vehicular seat is in a headrest use state in which the headrest face 41 faces the vehicle front side. In the second rotation position, the vehicular seat is in a storage-part use state in which the storage part 43 faces the vehicle front side. <P>COPYRIGHT: (C)2008,JPO&INPIT

Description

  The present invention relates to a vehicle seat, and particularly to a vehicle seat provided with a headrest.

  2. Description of the Related Art Conventionally, there is known a vehicle seat that can be used as an armrest by tilting a part of a center portion in the width direction of a seat back forward (see, for example, Patent Document 1). The rear seat described in Patent Document 1 includes a seat back that stands up with respect to the seat cushion, and the seat back in the width direction center portion can be tilted to the seat cushion side with the lower portion of the seat back as a rotation center. Armrests are provided. The armrest functions as a backrest by being fitted between the seat backs on both sides when standing, and functions as an armrest when tilted to the seat cushion side.

  Moreover, the rear seat of patent document 1 has the headrest attached to the front-end | tip of an armrest. The headrest can be moved back and forth in the longitudinal direction of the armrest, and the height can be adjusted with the armrest standing.

JP-A-9-2123

  However, in the rear seat described in Patent Document 1, the height of the headrest can be adjusted in a state where the armrest is standing up. There is an advantage that a good rear view can be obtained by lowering the headrest of the vehicle, but the headrest is only used as a headrest and can be satisfied from the viewpoint of effective use of interior parts of the vehicle However, further improvements are desired.

  The present invention has been made to solve such a problem, and an object of the present invention is to provide a vehicle seat capable of effectively using a headrest provided on the vehicle seat.

  In order to achieve the above object, the present invention provides a vehicle seat including a seat cushion disposed so as to extend in the vehicle width direction, and a seat back disposed in an upright state with respect to the seat cushion. The seat back is provided with a headrest that is rotatable between at least a first rotation position and a second rotation position about a rotation axis extending in the width direction on the upper end side of the seat back. The headrest includes a headrest surface that supports a head of a seated occupant, and a storage portion for storing articles. In the two-rotation position, the storage unit is configured to be in a use state of the storage unit facing the front of the vehicle.

  According to the present invention configured as described above, the headrest is rotated between the first rotation position and the second rotation position about the rotation axis, so that the headrest can be used in the headrest use state and the article. It is possible to use it by switching to a storage unit use state for storing etc. Thereby, a headrest can be utilized for a multipurpose function and the functionality of a headrest can be improved.

  In the present invention, preferably, the position of the rotation axis of the headrest is set so that the upper end position of the headrest is higher at the first rotation position than at the second rotation position. According to the present invention configured as described above, when the headrest is in use at the first rotation position, the height of the headrest can be increased, so that the head support performance by the headrest can be improved. Further, when the storage portion is in use at the second rotational position, the height of the headrest can be reduced, so that a good rear view of the driver can be ensured.

  In the present invention, it is preferable to further include a restricting member that restricts the headrest surface from rotating and facing upward when the headrest is in the headrest use state. According to the present invention configured as described above, the head of the seated occupant can be stably supported by the headrest surface when the headrest is used, so that the head support performance can be further improved.

  Preferably, in the present invention, the seat back has an upright position that stands up with respect to the seat cushion with a pivot shaft provided in a lower part thereof as a center, and an armrest use position that can be used as an armrest by tilting toward the seat cushion side. And an armrest member provided so as to be rotatable between the headrest and the headrest.

  According to the present invention configured as described above, when the armrest member is in the standing position, the headrest is held at the first rotation position and the second rotation position, thereby supporting the head of the occupant seated on the headrest. , Can be used for storing goods. In addition to this, when the armrest member is in the armrest use position, the armrest can be used for storing articles or the like if the armrest is rotated to a rotation position where the storage portion faces upward, and the headrest surface is If the armrest is pivoted to the pivoting position facing upward, the headrest can be used as an additional armrest following the tip of the armrest member.

Preferably, in the present invention, the storage portion is a recess formed in the headrest, and a wall portion that covers at least a part of the opening portion is provided in the recess, and the headrest has the first headrest. When the armrest member is in the pivot position and the armrest member is in the armrest use position, the beverage container placed in the recess is formed to be able to be supported, the headrest is in the second pivot position, and the armrest member When the is in the standing position, it is formed so as to prevent the article stored in the recess from falling.
According to the present invention configured as described above, the headrest can be used as a drink holder at the armrest use position with a simple configuration by providing the wall portion, and is also in the standing position and the second rotation position (storage). The storage item can be prevented from falling in the part use state).

  According to the vehicle seat of the present invention, the headrest provided on the vehicle seat can be effectively used.

Hereinafter, preferred embodiments of the present invention will be described with reference to the accompanying drawings. First, the vehicle seat according to the first embodiment of the present invention will be described with reference to FIGS.
FIG. 1 is a perspective view of a vehicle seat 1 according to a first embodiment of the present invention. As shown in FIG. 1, a vehicle seat 1 according to the present embodiment is a rear seat of a vehicle, and a seat cushion 10 arranged so as to extend in the vehicle width direction, and a seat cushion 10 from the vicinity of the rear portion of the seat cushion 10. And a seat back 20 arranged in a standing state.

The seat cushion 10 has an inner cushion body covered with an outer skin, and two or three passengers can be seated.
Similarly to the seat cushion 10, the seat back 20 has a substantially thick plate shape in which an internal cushion body is covered with a skin, and has substantially the same width as the seat cushion 10.

  The seat back 20 includes a seat back main body 21 that is a main backrest portion, a substantially rectangular parallelepiped armrest member 30 that is disposed in the center in the width direction of the seatback main body 21, and a distal end side of the armrest member 30. The headrest 40 is provided. Further, headrests 22 and 23 are attached to the seat back 20 so as to be spaced apart from each other in the width direction at two upper ends of the seat back main body 21.

  The seat back main body 21 has a recess 21a formed at the center in the width direction of the backrest surface 21b in front of the vehicle. The recess 21a is formed from the backrest surface 21b toward the rear of the vehicle at a predetermined depth from the lower part of the seat back body 21 to the upper end, and the armrest member 30 and the headrests 22 and 23 are embedded therein. ing.

  The armrest member 30 is also formed in a substantially rectangular parallelepiped shape with a cushion body covered with an outer skin. The length of the armrest member 30 in the vehicle width direction is set to be substantially the same as the width of the recess 21a, and the length in the longitudinal direction is set to be shorter than the length of the recess 21a in the vehicle vertical direction. The armrest member 30 is provided on the base end side (lower side) so that the rotation shaft 31 extends from both side surfaces in the vehicle width direction. The armrest member 30 is pivotable by the pivot shaft 31 being supported by the seat back main body 21.

  As shown in FIG. 1, the armrest member 30 is normally held in an upright position (backrest use position) that stands up with respect to the seat cushion 10. In this state, the armrest member 30 is fitted and held in the recess 21a, and the front surface is substantially flush with the backrest surfaces 21b on both sides in the width direction. Thereby, in the standing position, the armrest member 30 is integrated with the seat back main body 21 and supports the back of the seated occupant together with the backrest surface 21b.

  FIG. 2 shows a state in which the armrest member 30 is pivoted about the pivot shaft 31 to the armrest use position by tilting the distal end side (free end side) of the armrest member 30 forward of the vehicle. In the armrest use position, the armrest member 30 falls until it is substantially parallel to the upper surface of the seat cushion 10 or abuts against the upper surface. In this state, an occupant seated on the left and right sides of the armrest member 30 can use the armrest member 30 as an armrest.

The headrest 40 is also formed in a substantially rectangular parallelepiped shape with a cushion body covered with an outer skin and substantially the same width as the armrest member 30, and is disposed on the distal end side of the armrest member 30.
3 and 4 are a side view and a front view of the headrest 40 and the armrest member 30 when the armrest member 30 is in the standing position, respectively. As shown in FIG. 3, the headrest 40 has a headrest surface 41 that supports the head 2 of a seated occupant. On the back surface 42 that faces the headrest surface 41, articles such as coins, tickets, and foods A storage portion 43 capable of storing a beverage container such as a beverage can or a paper cup is formed. As will be described later, the storage portion 43 includes a concave portion 43a formed at a predetermined depth from the back surface 42 and a wall portion 44 that covers the opening of the concave portion 43a (see FIGS. 6 and 7).

As shown in FIGS. 3 and 4, the headrest 40 is provided with a stay 45 rotatably attached to both left and right side surfaces thereof. Thereby, as shown in FIG. 3, the headrest 40 is at least rotatable between a first rotation position where the headrest surface 41 faces the front of the vehicle and a second rotation position where the storage portion 43 faces the front of the vehicle. It has become.
A rotation shaft 45a is attached to both the left and right side surfaces of the headrest 40 so as to extend in the vehicle width direction, and a tip end portion of a stay 45 is attached to the rotation shaft 45a. The rotation shaft 45a is a position displaced by a predetermined length from the center position in the height direction with the headrest surface 41 facing the front of the vehicle, and is attached to the center position in the thickness direction of the headrest 40. It has been. In the present embodiment, the rotation shaft 45a is divided and arranged on both the left and right sides of the headrest 40, but the rotation shaft 45a penetrates the headrest 40 in the width direction without being divided. May be connected.

  In this embodiment, since the headrest 40 has a substantially rectangular cross section, the headrest surface 41 and the storage portion 43 (and the back surface 42) are 180 ° point-symmetric (substantially parallel), but these are 180 ° point-symmetric. It may not be in a positional relationship. That is, the first rotation position and the second rotation position have a rotation angle difference of about 180 ° in the central angle, but the present invention is not limited to this. For example, the headrest 40 may have a substantially trapezoidal cross section or a substantially triangular cross section. In this case, the headrest surface 41 and the back surface 42 are not parallel, and the first rotation position and the second rotation position are rotated by 180 °. It is no longer a difference in moving angle.

  A cylindrical support member 32 is embedded at the distal end side of the armrest member 30. When the stay 45 is inserted into the support member 32 from the distal end side of the armrest member 30, the headrest 40 moves up and down on the armrest member 30. Supported as possible. In the present embodiment, the support member 32 is configured to support the stay 45 at a plurality of stepwise insertion positions.

Next, the operation (operation) of the vehicle seat according to the first embodiment described above will be described.
First, the case where the armrest member 30 is in the standing position (backrest use position) and the headrest 40 is in the first rotation position will be described with reference to FIGS. At this time, the headrest 40 is in a headrest use state because the headrest surface 41 faces the front of the vehicle.
In the headrest use state, the occupant can use the armrest member 30 as a backrest and the headrest 40 as a headrest. The headrest 40 can be adjusted in height according to the height of the head 2 of the seated occupant by changing the insertion length of the stay 45 into the support member 32.

  In the headrest use state, the headrest 40 is configured such that the rotation shaft 45a is at a position lower than the upper end of the seat back body 21, and the back surface 42 of the headrest 40 is in contact with the bottom surface 21c of the recess 21a. With such a configuration, the back surface 42 of the headrest 40 is supported by the seat back body 21, so that the clockwise direction in FIG. 3 (that is, the direction in which the headrest surface 41 rotates upward) with respect to the headrest 40. When an external force is applied, the seat back main body 21 as a restricting member restricts inadvertent rotation of the headrest 40. Thereby, the headrest 40 can hold | maintain the head support performance in a headrest use state stably.

  In the present embodiment, the seat back main body 21 restricts inadvertent rotation of the headrest 40. However, the present invention is not limited to this. ), And the stopper may be configured to restrict inadvertent rotation.

  The case where the armrest member 30 is in the standing position and the headrest 40 is in the second rotation position will be described with reference to FIGS. At this time, the headrest 40 is in a storage portion use state in which the opening of the storage portion 43 faces the front of the vehicle. In this state, an occupant seated on both sides of the armrest member 30 can use the headrest 40 as a container and can store or take out articles in the storage portion 43.

FIG. 5 shows a state in which the headrest 40 is rotated counterclockwise from the state of FIG. 3 (that is, the headrest surface 41 is directed downward from the first rotation position) to the second rotation position by approximately 180 °. FIG.
Since the rotation shaft 45a is provided at a position displaced by a predetermined length from the center position of the headrest 40, the headrest 40 is rotated from the first rotation position to the second rotation position, so that the upper end of the headrest 40 is The height can be lowered. Therefore, when the headrest 40 is used as a headrest, the height of the headrest can be increased to improve the head support performance. On the other hand, when the headrest 40 is used for storing articles, the height of the upper end of the headrest is high. By reducing the height, a sufficient rear view of the driver can be secured.
In this embodiment, the stay 45 is attached to both side surfaces of the headrest 40 so as to sandwich the headrest 40. However, the present invention is not limited to this, and the stay 45 can be fitted on the back surface 42 side of the headrest 40. A straight groove may be formed so that the tip of the stay 45 is attached to the headrest 40 on the center side of both side surfaces of the headrest 40.

FIG. 6 is a view of the headrest 40 in a state where the storage unit is used as viewed from the back side 42 (vehicle front side), and FIG.
As shown in FIGS. 6 and 7, the storage portion 43 includes a concave portion 43 a having a substantially rectangular cross section formed at a predetermined depth from the back surface 42, and a wall portion 44 covering a part of the opening of the concave portion 43 a. Yes.

  The wall portion 44 is a rectangular plate-like member, and is rotatably supported by a hinge 44b attached to the lower edge of the opening when the storage portion is in use. The hinge 44b has a spring (not shown), and this spring urges the wall portion 44 so that the wall portion 44 covers the opening and is substantially flush with the back surface 42. As a result, the seated occupant can open and close the wall 44 against the biasing force of the hinge 44b, and put in and out articles and the like.

  In the storage part use state shown in FIG. 7, since the wall part 44 blocks the lower side of the opening of the storage part 43, the storage part 43 does not cause the article 4 stored inside to fall outside. The article 4 can be stored inside. In addition, although the wall part 44 of this embodiment is a structure which covers a part of opening of the recessed part 43a, not only this but the structure which covers the whole surface of opening may be sufficient. Thus, if it is the structure which covers the whole surface of opening, the fall of a stored item can be prevented reliably by the wall part 44. FIG.

In addition, semicircular cutouts 44a are formed in the wall portion 44 at two locations apart in the width direction, and the beverage container is provided between the cutout 44a and the side wall of the storage portion 43 as will be described later. 3 can be held.
In the present embodiment, the storage unit 43 is configured to store articles and the like in the recesses 43a. However, the present invention is not limited thereto. For example, the storage unit 43 is configured to store articles and the like in a plate-shaped storage member attached to the back surface 42. It may be.

The case where the armrest member 30 is in the armrest use position and the headrest 40 is in the first rotation position will be described with reference to FIG. At this time, the armrest member 30 can be used as an armrest, and the headrest 40 is in a storage portion use state in which the opening of the storage portion 43 faces upward.
In the state of FIG. 8, the storage part 43 can be used as an accessory case or a drink holder. Further, in use as a drink holder, the holding position of the beverage container 3 can be adjusted by moving the headrest 40 forward and backward relative to the armrest member 30 in accordance with the physique of the seated passenger.

The case where the armrest member 30 is in the armrest use position and the headrest 40 is in the second rotation position will be described with reference to FIG. At this time, the armrest member 30 can be used as an armrest, and the headrest 40 can be used as an additional armrest together with the armrest member 30 with the headrest surface 41 facing upward.
Also in this case, the length of the entire armrest can be adjusted by moving the headrest 40 forward and backward with respect to the armrest member 30 in accordance with the physique of the seated passenger.

  As described above, the vehicle seat 1 of the present embodiment includes the armrest member 30, and the armrest member 30 can be used as a backrest while being held in an upright position with respect to the seat cushion 10. It can be used as an armrest at the armrest use position on the cushion 10 side.

  In the vehicle seat 1 of the present embodiment, the headrest 40 is disposed on the distal end side of the armrest member 30. The headrest 40 can be used as a headrest when the armrest member 30 is in the upright position, and can be used as a headrest in the first rotation position with the headrest surface 41 facing the front of the vehicle. In the moving position, it can be used for storing articles. Further, when the armrest member 30 is in the armrest use position, the headrest 40 can be used for storing articles, particularly as a drink holder, in the first rotation position, and as a part of the armrest in the second rotation position. It can be used. In this case, since the wall part 44 is urged | biased by the spring, it can hold | maintain the drink container of various sizes.

  Thus, in the vehicle seat 1 of the present embodiment, the headrest 40 can be used not only as a headrest but also as a storage of articles and armrests, and the headrest 40 can be effectively used for multiple purposes. it can.

  Next, a vehicle seat according to a second embodiment of the present invention will be described with reference to FIG. The same parts as those in the first embodiment are denoted by the same reference numerals, and description thereof is omitted. In the first embodiment, the headrest 40 is disposed on the distal end side of the armrest member 30. However, in the second embodiment, the headrest 40 is rotatably attached to a stay 46 fixed to the seat back body 21. It has been. Specifically, the base end side of the stay 46 is fixed to the seat back body 21 so as to extend from the bottom surface 21c of the recess 21a in the vicinity of the upper end of the seat back body 21 to the front of the vehicle. The stay 46 rotatably supports both side surfaces of the headrest 40 by a rotation shaft 46a provided on the distal end side.

  In the example of FIG. 10, with such a configuration, the headrest 40 functions as a headrest when the headrest surface 41 is at the first rotation position facing the front of the vehicle. Further, the headrest 40 can function as an article storage section when the opening of the storage section 43 is in the second rotation position facing the front of the vehicle. Even if comprised in this way, the headrest 40 can be effectively utilized for multiple purposes.

  Moreover, in the example of FIG. 10, since the attachment position of the rotating shaft 46a is displaced to the one side from the center position of the headrest 40, when functioning as a headrest, the head can be supported at a high position. In the case of functioning as a storage unit, the height of the upper end of the headrest 40 is lower than that in the case of functioning as a headrest, and the driver's rear view can be ensured satisfactorily.

1 is a perspective view of a vehicle seat according to a first embodiment of the present invention. It is a perspective view of the vehicle seat of FIG. 1 in the armrest use state. It is a side view of a headrest and an armrest member. It is a front view of a headrest and an armrest member. It is sectional drawing of the state which has a headrest in a 2nd rotation position. It is a rear view of a headrest. It is sectional drawing of a headrest. It is a partial cross section figure of the vehicle seat in the armrest use state. It is a partial cross section figure of the vehicle seat in the armrest use state. It is a partial cross section figure of the headrest and seat back of a 2nd embodiment of the present invention.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Vehicle seat 10 Seat cushion 20 Seat back 21 Seat back main body 21a Recessed surface 21b Backrest surface 21c Bottom surface 22, 23 Headrest 30 Armrest member 31 Rotating shaft 32 Support member 40 Headrest 41 Headrest surface 42 Back surface 43 Storage part 44 Wall part 45 Stay

Claims (5)

A vehicle seat comprising a seat cushion arranged so as to extend in the vehicle width direction, and a seat back arranged in a standing state with respect to the seat cushion,
The seat back is provided with a headrest that is rotatable at least between a first rotation position and a second rotation position about a rotation axis extending in the width direction on the upper end side of the seat back,
The headrest includes a headrest surface that supports the head of a seated occupant and a storage portion for storing articles, and the headrest is in a headrest use state in which the headrest surface faces the front of the vehicle at the first rotation position. The vehicle seat is configured such that the storage portion is in a use state of the storage portion facing the front of the vehicle at the second rotation position.   The position of the rotation axis of the headrest is set so that the upper end position of the headrest is higher in the first rotation position than in the second rotation position. The vehicle seat described in 1.   The vehicle seat according to claim 1, further comprising a restricting member that restricts the headrest surface from rotating and facing upward when the headrest is in the use state of the headrest. The seat back is located between an upright position that stands up with respect to the seat cushion and a use position of an armrest that can be used as an armrest by tilting toward the seat cushion, with a pivot shaft provided at a lower portion thereof as a center. The armrest member provided so that rotation is possible,
The vehicle seat according to claim 1, wherein the headrest is attached to a distal end side of the armrest member. The storage portion is a recess formed in the headrest, and the recess is provided with a wall portion covering at least a part of the opening,
The wall portion is formed to be able to support a beverage container placed in the recess when the headrest is in the first rotation position and the armrest member is in the armrest use position, and the headrest 5 is formed so that the article stored in the recess can be prevented from falling when the armrest member is in the second rotation position and the armrest member is in the standing position. Vehicle seat.

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