JP5785858B2 - Headrest and vehicle seat - Google Patents

Description

  The present invention relates to a headrest and a vehicle seat on which the headrest is mounted.

  The following patent document 1 and the following patent document 2 disclose a vehicle seat with a headrest. The headrest of the vehicle seat includes a headrest body that is disposed on the upper side of the seatback and supports the head of the passenger from behind, and a neck support portion that supports the neck of the passenger from behind. A horizontal axis extends in the seat width direction in the headrest body, and an end extending portion extending upward is formed at the end of the neck support portion in the seat width direction. An end extending portion is pivotally supported on the horizontal axis, and the neck support portion is rotatable integrally with the end extending portion around the horizontal axis.

  The headrest restrains an occupant's head when the vehicle is traveling, and can improve occupant protection performance. In addition, when the headrest is not running, the comfort of the occupant can be improved by rotating the neck support portion to the front side of the seat and supporting the occupant's neck as necessary.

Japanese Patent No. 4523553 Japanese Patent No. 4647331

  In the vehicle seat with a headrest disclosed in Patent Document 1 and Patent Document 2 described above, the neck support portion is configured to rotate the neck support portion from the seat rear side to the seat front side, and when the occupant leans on the neck support portion. Will return to the rear side of the seat. For this reason, since it is difficult to support a passenger | crew's neck using a neck support part, it is difficult to obtain sufficient comfort.

  Further, in the vehicle seat with the headrest, mechanical parts such as a horizontal axis in the headrest main body, an end extending part formed on the horizontal axis of the neck support part and supported by the horizontal axis are provided. It is necessary and the structure is complicated. Further, since these parts are made of a metal material or resin material having high rigidity, the weight of the headrest is increased and the manufacturing cost is further increased.

In view of the above facts, an object of the present invention is to obtain a headrest capable of improving passenger comfort with a simple configuration while improving passenger protection performance.

  Another object of the present invention is to obtain a vehicle seat in which the headrest is mounted on a seat back.

The headrest which concerns on invention of Claim 1 has the 1st modeling surface which supports a passenger | crew's head in one surface, and the 2nd modeling surface which supports a passenger | crew's neck in the other surface facing a 1st modeling surface. The headrest pad and the second modeling surface of the headrest pad are supported from the back side of the seat , and the headrest pad is removed and rotated, and the first modeling surface is moved to the seat lower side of the front of the seat back to move the first modeling surface to the rear side of the seat A headrest holding part having a back support part to be supported from the head, and a fixing member for fixing the headrest pad to the headrest holding part at a position after the headrest pad is moved.

In the headrest according to the first aspect of the present invention, a headrest pad having a first modeling surface that supports the head of the occupant on one surface and a second modeling surface that supports the neck of the occupant on the other surface is provided. ing. The headrest holding unit supports the second modeling surface of the headrest pad from the seat rear side , removes the headrest pad, rotates, and moves the first modeling surface to at least the seat lower side of the seat back front to move the first modeling surface to the seat rear side. A back support portion for supporting the The headrest pad is fixed to the headrest holding portion using a fixing member at the moved position. Thereby, for example, in the driver's seat, during traveling, the head of the occupant can be restrained from the rear side of the seat by the first modeling surface of the headrest pad and the headrest holding portion, thereby suppressing or preventing backward tilting of the head. In addition, the headrest pad has a second configuration surface , a back support portion of the headrest holding portion , and a fixing member, so that the headrest can be moved from the headrest holding portion to at least the seat lower side of the front surface of the seatback when necessary. The pad can be removed and rotated and moved, and the headrest pad can be easily fixed using a fixing member at an appropriate position, for example, between the neck of the occupant and the seat back.

  A headrest according to a second aspect of the present invention is the headrest according to the first aspect of the present invention, wherein one end of the headrest is connected to the headrest holding portion, and the other end is connected to the headrest pad so that the movement range of the headrest pad is increased. A belt to regulate is provided.

  In the headrest according to the second aspect of the present invention, the headrest holding portion and the headrest pad are connected by a belt, and the moving range of the headrest pad relative to the headrest holding portion is regulated by the length of the belt. Accordingly, it is possible to prevent the headrest holding portion from dropping off to the lower side of the seat, and it is possible to immediately move the headrest pad to an appropriate position by appropriately setting the length of the belt. In addition, since the belt is a simple and inexpensive component, a headrest having a simple configuration and low manufacturing cost can be realized.

A headrest according to a third aspect of the present invention is the headrest according to the first or second aspect of the present invention, wherein the headrest is formed on the seat front side of the back support portion and on the seat lower side, and is recessed on the seat rear side. And a third modeling surface that fits into the protruding portion on the upper side of the sheet of the first modeling surface of the headrest pad .

In the headrest according to the third aspect of the present invention, since the third modeling surface is provided in the back support part, the position of the headrest pad to be moved to the lower side of the seat can be easily determined.

  A headrest according to a fourth aspect of the present invention is the headrest according to any one of the first to third aspects, wherein the headrest holding portion covers both side surfaces of the headrest pad in the seat width direction. And a side support portion that protrudes forward of the seat relative to the headrest pad.

  In the headrest according to the fourth aspect of the present invention, the headrest holding portion is provided with a side support portion that covers both side surfaces of the headrest pad and protrudes further forward of the seat than the headrest pad. Thereby, the shift of the headrest pad in the seat width direction with respect to the headrest holding portion can be prevented by the side support portion, and both sides of the occupant's head when traveling and when not traveling can be supported.

  According to a fifth aspect of the present invention, the vehicle seat has the headrest according to any one of the first to fourth aspects attached to the seat back upper side.

  In the vehicle seat according to the fifth aspect of the present invention, the headrest according to any one of the first to fourth aspects is attached to the upper side of the seat back. Thereby, the vehicle seat which has the effect obtained by the headrest of any one of Claims 1-4 can be implement | achieved.

  ADVANTAGE OF THE INVENTION According to this invention, the headrest which can improve comfort at the time of non-driving by simple structure can be obtained, improving a passenger | crew protection performance.

  Moreover, according to this invention, the vehicle seat by which the said headrest was mounted | worn with the seat back can be obtained.

(A) is the perspective view which looked at the headrest which concerns on embodiment of this invention from the front side of the vehicle seat, (B) is the side view which looked at the headrest shown to (A) from the left side surface of the vehicle seat. It is. (A) is a perspective view which shows the state which rotated the headrest pad in the headrest shown in FIG. 1, (B) is sectional drawing which looked at the headrest shown in (A) from the left side surface of the vehicle seat. It is a side view. FIG. 3 is a schematic side view showing a first use state when the headrest shown in FIGS. 1 and 2 is not running. FIG. 3 is a schematic side view showing a second usage state when the headrest shown in FIGS. 1 and 2 is not running.

  Hereinafter, with reference to FIGS. 1-4, the headrest and vehicle seat which concern on embodiment of this invention are demonstrated. In addition, arrow FR, arrow UP, and arrow W which are appropriately shown in the drawings respectively indicate the front direction, the upper direction, and the width direction of the vehicle seat. Further, in the present embodiment, the front direction, the upper direction, and the width direction of the vehicle seat are substantially the same as the front direction, the upper direction, and the width direction of the vehicle on which the vehicle seat is mounted.

[Configuration of vehicle seat]
The vehicle seat 30 according to the present embodiment shown in FIGS. 3 and 4 is mounted in the vehicle compartment. The vehicle seat 30 may be a driver seat or a passenger seat, and may be a front seat or a rear seat. The vehicle seat 30 may be either a movable type that can adjust the angle of the seat back or a fixed type that cannot adjust the angle of the seat back. The vehicle seat 30 includes a seat cushion (not shown) on which an occupant sits, and a seat back (part of the upper side is shown) connected to the seat rear side of the seat cushion and leaning on the seat rear side. I have. A headrest 10 is mounted on the upper side of the seat back.

[Configuration of headrest]
As shown in FIGS. 1A and 1B, the headrest 10 includes a headrest pad 16, a headrest holding portion 12, a headrest stay 14, and fixing members 18A and 18B.

  The headrest pad 16 is a pillow-like cushion extended in the seat width direction W. As shown in FIGS. 1A and 1B, the headrest pad 16 has a gentle curved surface projecting in the front direction of the seat on one surface thereof, and supports the head (back of the occupant) of the occupant. 16A. As shown in FIGS. 2A and 2B, the other surface of the headrest pad 16 that opposes the first modeling surface 16A is such that the upper side of the headrest pad 16 is in the front direction of the seat and the lower side is in the rear direction of the seat. The second modeling surface that has a gentle curved surface that protrudes in the front direction of the seat from the upper side and supports the occupant's neck when rotated and moved (rotated in the direction of arrow R in FIG. 2B). 16B. The headrest pad 16 is manufactured as a separate component independent of the headrest holding portion 12. The headrest pad 16 is formed by, for example, covering the periphery with a skin using a foam having cushioning properties such as polyurethane foam as a core material. Cloth, vinyl, leather, etc. are used for the epidermis.

  As shown in FIGS. 1A, 1B, 2A, and 2B, the headrest holding unit 12 includes a back support unit 12C and side support units 12A and 12B. . The back support portion 12 </ b> C is disposed on the seat rear side of the headrest pad 16 so as to face the second modeling surface 16 </ b> B or the first modeling surface 16 </ b> A of the headrest pad 16. The back support portion 12C has a width dimension slightly longer than the dimension of the headrest pad 16 in the seat width direction W, and has a dimension substantially equal to the dimension of the headrest pad 16 in the seat vertical direction. Most of the surface 16B or the first modeling surface 16A is covered. The back support portion 12C is formed in a substantially rectangular parallelepiped shape having a curved surface on each side.

  As shown in FIG. 2B, a third modeling surface 12D having a dent on the seat rear side is formed on the seat front side of the back support portion 12C and on the seat lower side. As shown in FIGS. 2A and 2B, the third modeling surface 12D has the second modeling surface 16B of the headrest pad 16 arranged on the front side of the seat and the first modeling surface 16A arranged on the rear side of the seat. When it does, it is set as the shape fitted to the protrusion part of the sheet | seat rear side of the sheet | seat upper side of the 1st modeling surface 16A. That is, the third modeling surface 12D is used for positioning the headrest pad 16 with respect to the headrest holding portion 12.

  The side support portion 12 </ b> A is disposed so as to protrude from the right end of the back support 12 </ b> C to the front side of the seat when viewed from the passenger seated on the vehicle seat 30. The side support portion 12B is disposed so as to protrude from the left end of the back support 12C to the front side of the seat when viewed from the occupant seated on the vehicle seat 30. The side support portions 12A and 12B cover both side surfaces of the headrest pad 16 in the seat width direction, and protrude to the front side of the seat from the thickness of the headrest pad 16 from the first modeling surface 16A to the second modeling surface 16B.

  The side support portions 12A and 12B are integrally formed with the back support 12C in the present embodiment, and the headrest holding portion 12 is formed with a concave shape opened to the front side of the seat in plan view. The headrest holding part 12 is formed, for example, like the headrest pad 16, by using a foam having cushioning properties such as polyurethane foam as a core material and covering the periphery with a skin. Cloth, vinyl, leather, etc. are used for the epidermis.

  Since the headrest holding unit 12 includes the back support 12C, the headrest pad 16 supports the second modeling surface 16B or the first modeling surface 16A from the seat rear side. Further, the headrest holding portion 12 includes a back support 12C and side support portions 12A and 12B and is guided by these so that the headrest pad 16 can be moved at least on the seat lower side of the front surface of the seat back. And since the headrest holding | maintenance part 12 is equipped with the side support parts 12A and 12B which protruded ahead of the sheet | seat rather than the headrest pad 16, it supports the passenger | crew's head toward the inner side from the outer side of the seat width direction.

  As shown in FIGS. 1 (A) and 1 (B), the headrest holding part 12 is fixed to the headrest holding part 12 at the upper center part of the headrest holding part 12 with at least the first modeling surface 16A of the headrest pad 16 on the front side of the seat. A fixing member (first fixing member) 20 that is capable (holdable) is attached. For example, a hook-and-loop fastener is used for the fixing member 20. A hook-and-loop fastener is a set of nylon tape having a large number of hook-shaped protrusions on one surface and a large number of ring-shaped protrusions on the other surface. Nylon tape can be easily joined with moderate strength by engaging both the hook-shaped protrusion and the ring-shaped protrusion, and the joined nylon tape can be easily detached by releasing both engagements. it can. Further, the fixing member 20 includes a button as a holding member attached to one of the headrest holding portion 12 and the headrest pad 16 and a belt on which a button as a non-holding member attached to either one is hung. A combination may be used. In particular, the configuration of the fixing member 20 is not limited as long as it can be freely attached and detached.

  As shown in FIGS. 2A and 2B, a belt 22 having one end connected to the headrest holding portion 12 and the other end connected to the headrest pad 16 is disposed. Here, one end of the belt 22 is connected to the front side of the back support portion 12C of the headrest holding portion 12 between the upper end and the center of the back support portion 12C in the seat vertical direction. The other end of the belt 22 here is the second modeling surface 16B of the headrest pad 16, and is connected between the upper and lower ends of the seat in the vertical direction when the headrest pad 16 is rotated in the direction of the arrow R. Yes. In this state, in this embodiment, the length of the belt 22 is set such that the headrest pad 16 is not detached from the lower end of the headrest holding portion 12 in the seat vertical direction to the seat lower side. In addition, the belt 22 is set to have a width dimension substantially the same as the length of the headrest pad 16 in the seat width direction, and a dimension shorter than the separation dimension between the side support portions 12A and 12B. The belt 22 restricts the movement range of the headrest pad 16 with respect to the headrest holding part 12.

  The belt 22 is made of the same material as the skin of the headrest pad 16 in the present embodiment, and the overall design of the headrest 10 is enhanced. Further, since the belt 22 is made of the same material as the skin, the belt 22 is a very simple component, and the overall structure of the headrest 10 can be simplified. Furthermore, since the belt 22 is excellent in flexibility, the degree of freedom in handling the headrest pad 16 with respect to the headrest holding portion 12 is increased.

  In addition, the length dimension, the width dimension, and material of the belt 22 are not particularly limited, and can be appropriately changed in consideration of design and convenience.

  As shown in FIGS. 1 (B), 2 (A), and 2 (B), the headrest pad 16 on the inner side in the seat width direction of the right side support portion 12A as viewed from the occupant seated on the vehicle seat 30 and the headrest pad 16 facing it. A fixing member (second fixing member) 18A is disposed at the right end of the sheet width direction. On the other hand, a fixing member (second fixing member) 18B is arranged on the inner side in the seat width direction of the left side support portion 12B as viewed from the occupant seated on the vehicle seat 30 and on the left end portion in the seat width direction of the headrest pad 16 opposed thereto. It is installed. When the headrest pad 16 is moved with respect to the headrest holding part 12, the headrest pad 16 is fixed to the headrest holding part 12 using the fixing members 18A and 18B at the moved position. In the present embodiment, the surface fasteners similar to the above-described fixing member 20 are used for the fixing members 18A and 18B. Therefore, the fixing members 18A and 18B do not require a metal material or a complicated configuration, and the fixing members 18A and 18B are very simple components, so that the entire structure of the headrest 10 can be simplified.

Figs. 1 (A), as shown in FIG. 1 (B), FIG. 2 (A) and FIG. 2 (B), the head rest frame at a lower portion of the headrest holder 12 which extends from there to the sheet downward direction 14 is disposed. Head rest frame 14 is here produced is bending a metallic bar-like member in a substantially inverted U-shape. Bending is made part of the head rest frame 14 is embedded in the headrest holder 12, it is attached to the headrest holder 12. Sheet lower side portion extended to the head rest frame 14, as shown in FIGS. 3 and 4, are inserted into the support portion 32 disposed in the seat back of a vehicle seat 30, thereby The headrest 10 is mounted on the upper side of the seat back.

[Operation of the embodiment]
Next, the operation of the headrest 10 according to the present embodiment and the vehicle seat 30 on which the headrest 10 is mounted is as follows.

In the headrest 10 according to the present embodiment, the headrest pad 16 supports the head (rear head) of the occupant 40 shown in FIG. 3, and the headrest holding unit 12 supports the headrest pad 16 from the rear side of the seat and the seat back. It is possible to move at least to the lower side of the seat on the front surface. The headrest pad 16 is fixed to the headrest holding part 12 using the fixing member 20 or 18A and 18B at the moved position. Thereby, for example, in the driver's seat, during traveling, the headrest of the occupant 40 can be restrained from the rear side of the seat by the headrest pad 16 and the headrest holding portion 12 to suppress or prevent the head from tilting backward. In addition, the headrest pad 16, the headrest holding part 12 and the fixing members 20, 18 </ b> A and 18 </ b> B have a simple configuration, so that the headrest pad can be provided from the headrest holding part 12 to at least the seat lower side of the front of the seat back when necessary. 16, the headrest pad can be fixed at an appropriate position using the fixing members 18A and 18B, for example, between the neck of the occupant 40 and the seat back. In the passenger seat and the rear seat, the headrest pad 16 can be fixed between the neck of the passenger 40 and the seat back regardless of whether the vehicle is traveling or not traveling.

  FIG. 3 shows the headrest pad 16 with the second modeling surface 16B as the seat front side between the neck of the occupant 40, the headrest holding portion 12 and the seatback when the seatback is relatively upright on the seat upper side. The state where is inserted is shown. The upper side of the first modeling surface 16A of the headrest pad 16 is positioned on the third modeling surface 12D of the headrest holding part 12, and the movement position of the headrest pad 16 to the lower side of the seat is determined.

  In the headrest 10 according to the present embodiment, the headrest holding portion 12 and the headrest pad 16 are connected by a belt 22, and the movement range of the headrest pad 16 relative to the headrest holding portion 12 is regulated by the length of the belt 22. ing. Accordingly, the headrest pad 16 can be prevented from dropping off from the headrest holding portion 12 to the lower side of the seat, and the headrest pad 16 can be immediately placed at an appropriate position by appropriately setting the length of the belt 22. Can be moved to.

  In FIG. 4, the headrest pad 16 is sandwiched between the neck of the occupant 40 and the seat back with the second modeling surface 16 </ b> B as the front side of the seat in a state where the seat back is laid relatively large on the rear side of the seat. The state is shown. The belt 22 connecting the headrest holding portion 12 and the headrest pad 16 is stretched relatively fully, and the headrest pad 16 is positioned at the lowest position on the lower side of the seat where the movement range is regulated by the length of the belt 22. Fixed. Since the belt 22 is a simple and inexpensive component, the headrest 10 can be realized with a simple configuration and low manufacturing cost.

  Moreover, in the headrest 10 which concerns on this Embodiment, it has the 1st modeling surface 16A which supports the head of the passenger | crew 40 on one surface, and the 2nd modeling surface 16B which supports the neck part of the passenger | crew 40 on the other surface. A pad 16 is provided. As a result, the head of the occupant 40 can be supported on the first modeling surface 16A of the headrest pad 16 during traveling, and the second modeling surface 16B can be moved forward of the seat by simply rotating the headrest pad 16 during non-traveling. The neck of the occupant 40 can be supported by being disposed on the side.

  Further, in the headrest 10 according to this embodiment, the headrest holding portion 12 is provided with side support portions 12A and 12B that cover both side surfaces of the headrest pad 16 and protrude forward of the seat relative to the headrest pad 16. Accordingly, the side support portions 12A and 12B can prevent the headrest pad 16 from shifting in the seat width direction with respect to the headrest holding portion 12, and can support both sides of the head of the occupant 40 during traveling and when not traveling. it can.

  And in the vehicle seat 30 which concerns on a present Example, the headrest 10 from which the said effect is obtained is attached to the seat back upper side. Thereby, the vehicle seat 30 having the operational effects obtained by the headrest 10 can be realized.

[Modification]
The headrest 10 and the vehicle seat 30 according to the above-described embodiment can be applied to an intermediate headrest arranged in three or more rows in the vehicle front-rear direction and a vehicle seat equipped with the headrest.

DESCRIPTION OF SYMBOLS 10 Headrest 12 Headrest holding part 12A, 12B Side support part 12C Back support part 12D 3rd modeling surface 14 Headrest stay 16 Headrest pad 16A 1st modeling surface 16B 2nd modeling surface 18A, 18B, 20 Fixed member 22 Belt 30 Vehicle seat 40 Crew

Claims (5)

A headrest pad having a first modeling surface that supports the head of the occupant on one side, and a second modeling surface that supports the neck of the occupant on the other surface facing the first modeling surface ;
The second image plane of the head rest pad is supported from the seat rear side, also rotates remove the headrest pad, and supports the first image plane is moved in the sheet below the seat back-front seat rear side A headrest holding part having a back support part to perform,
A fixing member for fixing the headrest pad to the headrest holding portion at a position after moving the headrest pad;
With headrest.   The headrest according to claim 1, further comprising: a belt having one end connected to the headrest holding portion and the other end connected to the headrest pad to regulate a moving range of the headrest pad. The back support portion is formed on the front side of the seat and on the lower side of the seat, has a recess on the rear side of the seat, and fits into a protruding portion on the upper side of the seat of the first modeling surface of the headrest pad. The headrest according to claim 1 or 2 which has a modeling surface.   The said headrest holding | maintenance part was provided with the side support part which protruded in the sheet | seat front side rather than the said headrest pad while covering the both sides | surfaces of the seat width direction of the said headrest pad. Headrest.   A vehicle seat in which the headrest according to any one of claims 1 to 4 is attached to a seat back upper side.

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