JP2014083916A - Vehicle sheet - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a vehicle sheet capable of subjecting a pressure to the side on which an occupant has been sat in a pinpoint manner.SOLUTION: A vehicle sheet 10 comprises: a seat pad 22 supporting an occupant; a slab 24 which is arranged on the surface side of the seat pad 22 and formed in a manner where deflection may occur; and surface skin 26 covering the surface of the slab 24. A first massage air cell 30 which expands by introduction of air into the inner section thereof is arranged between the seat pad 22 and the slab 24 and on the side of the slab 24. A second massage air cell 32 as a stroke increasing means having larger configuration than that of the first massage air cell 30 is arranged between the seat pad 22 and the slab 24 and on the side of the seat pad 22. By virtue of the second massage air cell 32, the first massage air cell 30 is expanded to the side of the surface skin 26 to increase stroke onto the side of the surface skin 26.

Description

  The present invention relates to a vehicle seat.

  Patent Document 1 below discloses a seat structure in which an air cell is provided between a seat frame and a cushion pad and air is taken in and out by a pump.

JP 2009-119230 A JP 2010-228637 A Japanese Patent No. 3341347

  However, according to Patent Document 1, even if the pressure of the air cell is increased, there is a possibility that the pressure is not partially applied due to the deflection of the cushion pad, and the entire surface of the cushion pad may swell. For this reason, there is room for improvement in order to apply pressure to the occupant side seated on the vehicle seat pinpoint.

  In view of the above facts, an object of the present invention is to obtain a vehicle seat capable of pinpointing pressure on a seated occupant side.

  According to a first aspect of the present invention, there is provided a vehicular seat, a pad that supports an occupant, a sheet-like bending member that is disposed on a surface side of the pad and is formed so as to be capable of bending deformation, and covers a surface of the bending member. Provided on the flexible member side between the skin and the pad and the flexible member, or between the seat frame supporting the pad and the flexible member, and the fluid is introduced into the inside. At least one massage bag body that expands due to the above, and the pad side between the pad and the flexible member, or the seat frame side between the seat frame and the flexible member, and the massage bag A stroke increasing means that is disposed so as to overlap the body and that inflates the massage bag body toward the epidermis side to increase the stroke toward the epidermis side. That.

  According to a second aspect of the present invention, in the vehicle seat according to the first aspect, the stroke increasing means is disposed between the pad and the massage bag body, and has an outer shape as viewed from the skin side. It is larger than the outer shape of the bag body, and the edge portion extends outward from the edge portion of the massage bag body.

  According to a third aspect of the present invention, in the vehicle seat according to the second aspect, the stroke increasing means is another massage bag body that expands when a fluid is introduced therein.

  According to a fourth aspect of the present invention, in the vehicle seat according to the second aspect, the stroke increasing means is a sheet-like felt or a rubber plate.

  According to a fifth aspect of the present invention, in the vehicle seat according to the first aspect, the pad is provided with a blowing hole for sending wind to the skin side, and the seat frame and the inside of the blowing hole The massage bag and the stroke increasing means are provided between the bending members.

  According to the first aspect of the present invention, a pad for supporting an occupant is disposed, a sheet-like bending member formed so as to be able to bend and deformed is disposed on the surface side of the pad, and the surface of the bending member is a skin. It is covered with. At least one massaging bag body is provided on the side of the flexing member between the pad and the flexing member or on the side of the flexing member between the seat frame supporting the pad and the flexing member. By introducing the fluid into the interior, the massage bag body expands. Further, a stroke increasing means is disposed on the pad side between the pad and the bending member or on the seat frame side between the seat frame and the bending member so as to overlap the massage bag body. By this stroke increasing means, the massage bag body is inflated to the epidermis side, and the stroke to the epidermis side of the massage bag body is increased. As a result, pressure can be applied to the occupant side seated on the vehicle seat at a pinpoint.

  According to the second aspect of the present invention, the stroke increasing means is disposed between the pad and the massage bag body, and the outer shape of the stroke increasing means is larger than the outer shape of the massage bag body as viewed from the epidermis side. And the edge part of the stroke increasing means is extended outside the edge part of the bag body for massage. When the massage bag is inflated, the stroke to the epidermis side of the massage bag increases by reducing the deflection of the pad (sinking of the pad surface) by means of a stroke increasing means larger than the outer shape of the massage bag. . Furthermore, pressure can be applied at a pinpoint by applying pressure to the occupant side with a massage bag smaller than the outer shape of the stroke increasing means.

  According to the third aspect of the present invention, the stroke increasing means is another massage bag body that expands when a fluid is introduced therein, and is another massage bag body that is larger than the outer shape of the massage bag body. Is expanded by the internal fluid. Another massage bag body larger than the outer shape of the massage bag body increases the area that receives the reaction force of the pad and reduces the bending of the pad (sinking of the pad surface). Thereby, the stroke to the skin side of the bag for massage can be increased more reliably.

  According to the present invention of claim 4, the stroke increasing means is a sheet-like felt or rubber plate, and the felt or rubber plate larger than the outer shape of the massage bag body increases the area that receives the reaction force of the pad, Pad deflection (pad surface sinking) is reduced. Thereby, the stroke to the skin side of the bag for massage can be increased more reliably.

  According to this invention of Claim 5, the bag body for a massage and a stroke increase means are provided between the seat frame and the bending member in the inside of the ventilation hole provided in the pad. That is, the massage bag body is inflated to the epidermis side by the stroke increasing means, and the stroke to the epidermis side of the massage bag body is increased, thereby pinpointing pressure on the occupant side seated on the vehicle seat. Can do.

  The vehicle seat according to the present invention has an excellent effect that pressure can be applied to the seated occupant side at a pinpoint.

It is a front view showing a vehicular seat concerning a 1st embodiment. It is sectional drawing which shows the state before the 1st massage air cell provided in the vehicle seat shown in FIG. 1 and the 2nd massage air cell expand | swell. It is sectional drawing which shows the state after the 1st massage air cell and the 2nd massage air cell which were provided in the vehicle seat shown in FIG. 1 expanded. It is sectional drawing which shows the state before two air cells for a massage between the felt member and slab provided in the vehicle seat which concern on 2nd Embodiment expand | swell. It is sectional drawing which shows the state after two air cells for a massage between the felt member and slab provided in the vehicle seat which concern on 2nd Embodiment expanded. It is a front view which shows the vehicle seat which concerns on 3rd Embodiment. It is sectional drawing which shows the state before two massage air cells arrange | positioned at the ventilation hole of the vehicle seat shown in FIG. 6 expand | swell. It is sectional drawing which shows the state after the two massage air cells arrange | positioned at the ventilation hole of the vehicle seat shown in FIG. 6 expand | swell. It is sectional drawing which shows the state before the 1st massage air cell provided in the vehicle seat which concerns on a 1st comparative example, and the 2nd massage air cell expand | swell. It is sectional drawing which shows the state after the 1st massage air cell provided in the vehicle seat which concerns on a 1st comparative example, and the 2nd massage air cell expanded. It is sectional drawing which shows the state after the 1st massage air cell provided in the vehicle seat which concerns on a 2nd comparative example, and the 2nd massage air cell expanded.

[First Embodiment]
Hereinafter, a first embodiment of a vehicle seat according to the present invention will be described with reference to FIGS. Note that an arrow UP appropriately shown in these drawings indicates the vehicle upper side (the seat upper side).

  FIG. 1 is a front view showing the overall configuration of the vehicle seat according to the present embodiment. As shown in FIG. 1, a vehicle seat 10 is provided along a vertical direction at a seat cushion 12 that supports the buttocks and thighs of a seated occupant and a rear end of the seat cushion 12 in the vehicle front-rear direction. And a seat back 14 that supports the back of the occupant. Although illustration is omitted, a plurality of vehicle seats 10 are provided in the vehicle interior of the vehicle (particularly at a position facing the door opening).

  FIG. 2 is a sectional view showing the vicinity of the massage air cell of the seat back 14 of the vehicle seat 10. The configuration of the seat cushion 12 near the massage air cell is substantially the same as that shown in FIG.

  As shown in FIG. 2, the seat back 14 includes a seat frame 20, a seat pad 22 as a pad disposed on the passenger side with respect to the seat frame 20, and a surface of the seat pad 22 (upper surface shown in FIG. 2). A sheet-like (thin plate-like) slab 24 as a bending member disposed on the slab 24, and a skin 26 that covers the surface of the slab 24.

  The seat back 14 includes an attitude control air cell (bag body) 28 that is inflated when air is introduced therein between the seat frame 20 and the seat pad 22. The attitude control air cell 28 is disposed along the surface direction of the seat frame 20. The seat back 14 includes a first massage air cell 30 as a massage bag body that expands when air as a fluid is introduced into the slab 24 between the seat pad 22 and the slab 24. ing. Further, the seat back 14 is provided on the side of the seat pad 22 between the seat pad 22 and the slab 24 (between the first massage air cell 30 and the seat pad 22), and as a second massage air cell (others). A massage bag body) 32. The first massage air cell 30 and the second massage air cell 32 are arranged along the surface direction of the slab 24. Moreover, the 1st massage air cell 30 and the 2nd massage air cell 32 are arrange | positioned so that it may overlap.

  The seat pad 22 is made of a cushion body, and is formed of, for example, a foamed resin such as foamed urethane. The slab 24 is made of a member that is softer than the seat pad 22 and can be bent and deformed. For example, the slab 24 is formed of a foamed resin such as urethane foam whose porosity is changed with respect to the seat pad 22. The slab 24 is used to improve the sitting comfort of the vehicle seat 10. The skin 26 is covered on the seating surface side of the occupant and constitutes the design surface of the vehicle seat 10.

  As shown in FIGS. 1 and 2, the outer shape (area) of the second massage air cell 32 is larger than the outer shape (area) of the first massage air cell 30 when viewed from the skin 26 side (in front view of the vehicle). And the edge part 32A of the air cell 32 for 2nd massage is extended outside the edge part 30A of the air cell 30 for 1st massage.

  In the present embodiment, the back surface (lower surface shown in FIG. 2) of the second massage air cell 32 is bonded to the surface (upper surface shown in FIG. 2) of the seat pad 22 with a double-sided tape. The attachment of the second massage air cell 32 to the seat pad 22 is not limited to this. For example, the second massage air cell 32 may be adhered to the surface of the seat pad 22 by an adhesive, or may be attached by a clamp or the like. Moreover, you may make it hook the extended part of the edge part 32A of the air cell 32 for 2nd massages on the some suspension wire (illustration omitted) hung on the seat back 14. FIG.

  As shown in FIG. 2, the first massage air cell 30 and the second massage air cell 32 are connected by a connecting portion 34 near the center of the surface, and the connecting portion 34 includes a first massage air cell. A communication hole that communicates the 30 and the second massage air cell 32 is formed. A tube (not shown) is connected to the second massage air cell 32, and air is introduced or discharged into the second massage air cell 32 through the tube by a pump (not shown). Further, air is introduced into or discharged from the first massage air cell 30 through a communication hole formed in the connecting portion 34. As shown in FIG. 3, the introduction of air into the second massage air cell 32 causes the second massage air cell 32 to expand in a direction perpendicular to the surface of the seat frame 20. . Further, air is introduced from the second massage air cell 32 into the first massage air cell 30 through the communication hole formed in the connecting portion 34, so that the first massage air cell 30 is placed on the surface of the seat frame 20. It expand | swells in the direction (arrow A direction) orthogonal to.

  At that time, the edge 32A of the second massage air cell 32 extends outward from the edge 30A of the first massage air cell 30, so that the second massage air cell 32 and the first massage air cell 30 expand. Sometimes, the area receiving the reaction force of the seat pad 22 increases (see arrow B), and the bending of the seat pad 22 (sinking of the surface of the seat pad 22) decreases. Thereby, the stroke (stroke of the arrow A direction) to the skin 26 side of the first air cell 30 for massage increases. That is, the second massage air cell 32 functions as a bending deformation reducing means for reducing the bending deformation of the surface of the seat pad 22.

  The first massage air cell 30 and the second massage air cell 32 are formed of a stretchable member, for example, a resin material such as polyurethane, or a rubber material.

  A tube (not shown) is connected to the posture control air cell 28, and air as a fluid is introduced into the posture control air cell 28 through a tube by a pump (not shown). As a result, the attitude control air cell 28 expands in a direction perpendicular to the surface of the seat frame 20.

  As shown in FIG. 1, the attitude control air cell 28 is formed in a substantially rectangular shape in a front view of the vehicle seat 10, and on the both sides in the width direction of the seat back 14, in the vertical direction of the seat back 14. A plurality of (three in this embodiment) attitude control air cells 28 are arranged in series along the direction. A plurality (9 in the present embodiment) of posture control air cells 28 are arranged in parallel along the vertical direction of the seat back 14 at the center in the width direction of the seat back 14.

  At the center in the width direction of the seat back 14, two second massage air cells 32 are provided on the left and right sides on the front side (skin 26 side in FIG. 2) from the posture control air cell 28. Further, a plurality of left and right second massage air cells 32 are arranged in the vertical direction of the seat back 14 (four sets in this embodiment). In the front view of the seat back 14, the first massage air cell 30 is provided in the center of the second massage air cell 32 in front of the second massage air cell 32 (skin 26 side in FIG. 2). It has been.

  On both sides of the seat cushion 12 in the width direction, a plurality of (two in this embodiment) posture control air cells 28 are arranged substantially in series along the front-rear direction of the seat cushion 12. A plurality (five in the present embodiment) of posture control air cells 28 are arranged in parallel in the front-rear direction of the seat cushion 12 at the center in the width direction of the seat cushion 12. The four attitude control air cells 28 on the front side of the vehicle are formed smaller than the one attitude control air cell 28 on the rear side of the vehicle, and are disposed on both sides of the four attitude control air cells 28 on the front side of the vehicle. In addition, one posture control air cell 28 is disposed with the longitudinal direction of the seat cushion 12 as the longitudinal direction. Further, two substantially square posture control air cells 28 are provided on the left and right sides of the front portion of the seat cushion 12.

  At the center in the width direction of the seat cushion 12, two second massage air cells 32 are provided on the left and right sides above the posture control air cell 28 (skin 26 side). A plurality of massage air cells 32 (two in this embodiment) are arranged in the front-rear direction of the seat cushion 12. The first massage air cell 30 is provided above the second massage air cell 32 (on the skin 26 side) at the center of the second massage air cell 32 in a top view of the seat back 14.

  Next, the operation and effect of this embodiment will be described.

  As shown in FIG. 2, the seat back 14 includes a first massage air cell 30 disposed on the slab 24 side between the seat pad 22 and the slab 24, and a seat pad between the seat pad 22 and the slab 24. And a second massage air cell 32 disposed on the side 22 (between the first massage air cell 30 and the seat pad 22). The outer shape of the second massage air cell 32 is larger than the outer shape of the first massage air cell 30, and the edge portion 32 </ b> A of the second massage air cell 32 extends outside the edge portion 30 </ b> A of the first massage air cell 30. Yes. Then, as shown in FIG. 3, the air is introduced into the second massage air cell 32 through a tube (not shown) by a pump (not shown), whereby the second massage air cell 32 expands. Furthermore, air is introduced into the first massage air cell 30 from the second massage air cell 32 through the communication hole formed in the connecting portion 34, whereby the first massage air cell 30 expands in the direction of arrow A.

  At that time, the edge 32A of the second massage air cell 32 extends outside the edge 30A of the first massage air cell 30, thereby increasing the area that receives the reaction force of the seat pad 22 (see arrow B). ), The bending of the seat pad 22 (sinking of the surface of the seat pad 22 shown in FIG. 3) is reduced. As a result, the stroke (stroke in the direction of arrow A) of the first massage air cell 30 toward the skin 26 increases. In other words, the seat pad 22 surface is submerged with the wide second massage air cell 32, thereby reducing the bending of the seat pad 22 (the subsidence of the surface of the seat pad 22 shown in FIG. 3), and the narrow second air cell 32. By applying pressure to the occupant side seated on the vehicle seat 10 with one air cell 30 for massage, it is possible to apply pressure at a pinpoint.

  As shown in FIG. 1, the vehicle seat 10 is provided with a plurality (eight in the present embodiment) of first massage air cells 30 on the seat back 14, and a plurality (the present embodiment) of the seat cushion 12. 4) first air cells 30 for massage are provided. For this reason, the stroke to the skin 26 side (arrow A direction) of the first massage air cell 30 increases, so that the occupant side seated on the vehicle seat 10 is pinpointed by the plurality of first massage air cells 30. Pressure can be applied.

  9 and 10 show the vehicle seat 100 of the first comparative example. As shown in FIG. 9, the vehicle seat 100 includes a first massage air cell 102 disposed on the slab 24 side between the seat pad 22 and the slab 24, and a seat between the seat pad 22 and the slab 24. A second massage air cell 104 disposed on the pad 22 side (between the first massage air cell 102 and the seat pad 22). The outer shape (area) of the second massage air cell 104 and the outer shape (area) of the first massage air cell 102 are formed to have substantially the same size.

  As shown in FIG. 10, in this vehicle seat 100, the air is introduced into the second massage air cell 104 and the first massage air cell 102, so that the second massage air cell 104 and the first massage air The air cell 102 expands. At that time, since the outer shape (area) of the second massage air cell 104 and the outer shape (area) of the first massage air cell 102 are formed to have substantially the same size, the back side of the second massage air cell 104 ( The lower seat pad 22 in FIG. 10 is greatly bent toward the seat frame 20 side. For this reason, the 2nd massage air cell 104 and the 1st massage air cell 102 sink in the direction of arrow F, and the required stroke to the skin 26 side (arrow A direction) cannot be taken out. For this reason, it is not sufficient to pinpoint pressure on the occupant side seated in the vehicle seat 100, and there is a possibility that massage strength and a feeling of acupressure are not felt.

  FIG. 11 shows a vehicle seat 110 of the second comparative example. As shown in FIG. 11, in the vehicle seat 110, a hole 112 that penetrates to the seat frame 20 is provided in the seat pad 22. A plate 114 is disposed on the surface of the seat frame 20 in the hole 112. Furthermore, on the plate 114 in the hole 112, the first massage air cell 116 disposed on the slab 24 side, and the second massage air cell 118 disposed between the first massage air cell 116 and the plate 114. Is provided. The outer shape (area) of the second massage air cell 118 and the outer shape (area) of the first massage air cell 116 are formed to have substantially the same size.

  In the vehicle seat 110, the air is introduced into the second massage air cell 118 and the first massage air cell 116, whereby the second massage air cell 118 and the first massage air cell 116 expand. In that case, since the 2nd massage air cell 118 and the 1st massage air cell 116 are arrange | positioned on the plate 114, the stroke to the arrow A direction of the 1st massage air cell 116 increases, and the vehicle of a 1st comparative example Compared with the sheet 100 for massage, a massage strength is obtained. However, since the hole 112 is formed in the seat pad 22, the riding comfort performance of the vehicle seat 110 when not using massage is lowered. In addition, since a plurality of holes 112 for disposing the second massage air cell 118 and the first massage air cell 116 are necessary in the seat pad 22, the second massage air cell 118 and the first massage air cell 116 are arranged. Depending on the number, a large number of holes 112 may be provided in the seat pad 22, and it may be difficult to sufficiently support the body. Further, since the plate 114 is disposed on the seat frame 20 to provide the second massage air cell 118 and the first massage air cell 116, the posture control air cell (see FIG. 2) cannot be disposed at the position of the hole 112. .

  In contrast, in the vehicle seat 10 of the present embodiment, the edge 32A of the second massage air cell 32 extends outside the edge 30A of the first massage air cell 30, so that the seat pad 22 is provided. 3 (sinking of the surface of the seat pad 22 shown in FIG. 3) decreases, and the stroke of the first massage air cell 30 toward the epidermis 26 (in the direction of arrow A) increases. For this reason, it is possible to apply a pinpoint pressure to the occupant side seated in the vehicle seat 10 by the first massage air cell 30.

  Moreover, since no hole is provided in the seat pad 22, the riding comfort performance of the vehicle seat 10 does not deteriorate. Furthermore, the posture controlling air cell 28 can be disposed on the back side of the first massage air cell 30 and the second massage air cell 32 (the back side of the seat pad 22 shown in FIG. 3).

  In the vehicle seat 10 of the first embodiment, the position, size, number, and the like of the attitude control air cells 28 are not limited to the configuration shown in FIG. 1 and can be changed. In addition, if the relationship between the sizes of the first massage air cell 30 and the second massage air cell 32 is not changed, the first massage air cell 30 and the second massage air cell 32 of the vehicle seat 10 in a front view of the vehicle. The position and number of the can be changed.

  Moreover, in the vehicle seat 10 of the first embodiment, one first massage air cell 30 is arranged on the surface side of the second massage air cell 32 having a large outer shape. Two or more first massage air cells 30 may be provided on the surface side of the massage air cell 32.

[Second Embodiment]
Next, a second embodiment of the vehicle seat according to the present invention will be described with reference to FIGS. 4 and 5. In addition, about the same component as 1st Embodiment mentioned above, the same number is attached | subjected and the description is abbreviate | omitted.

  4 and 5 are sectional views showing the vicinity of the massage air cell in the seat back 54 of the vehicle seat 10 of the present embodiment. The configuration of the seat cushion 52 in the vicinity of the massage air cell is substantially the same as that of the seat back 54.

  As shown in FIGS. 4 and 5, the seat back 54 includes a first massage air cell 56 as a massage bag body disposed on the slab 24 side between the seat pad 22 and the slab 24, and a first massage. A second massage air cell 58 as a massage bag body disposed between the massage air cell 56 and the seat pad 22 on the first massage air cell 56 side. Further, the seat back 54 is a sheet-like felt member as a stroke increasing means disposed on the side of the seat pad 22 between the seat pad 22 and the slab 24 (between the second massage air cell 58 and the seat pad 22). 60. The second massage air cell 58 and the felt member 60 are arranged so as to overlap each other.

  The first massage air cell 56 and the second massage air cell 58 are provided along the surface direction of the slab 24. A concave recess 22A is formed on the surface of the seat pad 22 (upper surface shown in FIG. 4), and a felt member 60 is fitted in the recess 22A. The seat pad 22 and the felt member 60 are joined by, for example, an adhesive.

  When viewed from the skin 26 side, the first massage air cell 56 and the second massage air cell 58 have substantially the same size, and the first massage air cell 56 and the second massage air cell 58 are arranged so as to overlap each other. Yes. Further, when viewed from the skin 26 side, the outer shape of the felt member 60 is larger than the outer shapes of the first massage air cell 56 and the second massage air cell 58, and the edge 60 </ b> A of the felt member 60 is the edge of the first massage air cell 56. 56A and the edge 58A of the second massage air cell 58 are extended outward.

  In this embodiment, the back surface (the lower surface shown in FIG. 4) of the second massage air cell 58 is attached to the surface of the felt member 60 (the upper surface shown in FIG. 4) with a double-sided tape. The attachment of the second massage air cell 58 to the felt member 60 is not limited to this. For example, the second massage air cell 58 may be adhered to the surface of the felt member 60 with an adhesive, or may be attached with a clamp or the like. Alternatively, the second massage air cell 58 may be thermally welded to the felt member 60.

  The first massage air cell 56 and the second massage air cell 58 are connected by a connecting portion 62 in the vicinity of the center of the surface. The connecting portion 62 includes a first massage air cell 56 and a second massage air cell 58. The communication hole which connects is formed. A tube (not shown) is connected to the second massage air cell 58, and air as a fluid is introduced into the second massage air cell 58 through the tube by a pump (not shown), and further formed in the connecting portion 62. Air is introduced from the second massage air cell 58 into the first massage air cell 56 through the communication hole.

  In such a vehicle seat 10, as shown in FIG. 5, air is introduced into the second massage air cell 58 through a tube (not shown) by a pump (not shown), whereby the second massage air cell. 58 expands. Furthermore, air is introduced into the first massage air cell 56 from the second massage air cell 58 through the communication hole formed in the connecting portion 62, whereby the first massage air cell 56 expands.

  At that time, the force indicated by the arrow C acts on the felt member 60 from the second massage air cell 58. At that time, the edge 60A of the felt member 60 is extended outside the edge 56A of the first massage air cell 56 and the edge 58A of the second massage air cell 58, so that the reaction force of the seat pad 22 is reduced. The receiving area increases and the bending of the seat pad 22 (sinking of the surface of the seat pad 22) decreases. Thereby, the stroke to the skin 26 side (arrow A direction) of the air cell 56 for the 1st massage and the air cell 58 for the 2nd massage increases. For this reason, the first massage air cell 56 and the second massage air cell 58 can be pinpointed to the occupant side seated on the vehicle seat 10.

  In addition, in 2nd Embodiment, although the sheet-like felt member 60 is provided, it is not limited to this. For example, instead of the felt member 60, a thin rubber plate (a relatively soft material) may be used.

  In the second embodiment, the first massage air cell 56 and the second massage air cell 58 are provided between the felt member 60 and the slab 24, but the number of massage air cells can be changed. For example, one or three or more massage air cells may be disposed between the felt member 60 and the slab 24.

[Third Embodiment]
Next, a third embodiment of the vehicle door structure according to the present invention will be described with reference to FIGS. In addition, about the same component as 1st and 2nd embodiment mentioned above, the same number is attached | subjected and the description is abbreviate | omitted.

  As shown in FIG. 6, the vehicle seat 70 includes a seat cushion 72 and a seat back 74. A plurality (three in this embodiment) of posture control air cells 28 are arranged in series along the vertical direction of the seat back 74 on both sides in the width direction of the seat back 74. A plurality (seven in this embodiment) of posture control air cells 28 are arranged in parallel along the vertical direction of the seat back 74 at the center in the width direction of the seat back 74.

  At the center in the width direction of the seat back 74, two air blowing holes 76A are formed along the width direction between the plurality of posture control air cells 28 arranged along the vertical direction. The air blowing hole 76A is a hole for sending air for air conditioning to the skin 26 (see FIG. 7) side. A plurality of such air blowing holes 76 </ b> A are provided in the vertical direction of the seat back 74. In the present embodiment, two feeds are provided between the fourth and fifth attitude control air cells 28 from the upper side of the seat back 74 and between the sixth and seventh attitude control air cells 28. An air hole 76A is provided.

  On both sides in the width direction of the seat cushion 72, a plurality (two in this embodiment) of posture control air cells 28 are arranged substantially in series along the front-rear direction of the seat cushion 72. At the center in the width direction of the seat cushion 72, a plurality (four in this embodiment) of posture control air cells 28 are arranged in parallel along the front-rear direction of the seat cushion 72. One posture control air cell 28 is disposed on both sides of the four posture control air cells 28 with the longitudinal direction of the seat cushion 72 as the longitudinal direction. Further, two substantially square posture control air cells 28 are provided on the left and right sides of the front portion of the seat cushion 72.

  At the center in the width direction of the seat cushion 72, two blow holes 76A are formed along the width direction on the rear side of the four posture control air cells 28 arranged in parallel in the front-rear direction. Further, on both sides in the width direction of the seat cushion 72, air blowing holes 76A are formed on the inner side in the width direction of the two posture control air cells 28 arranged in series.

  7 and 8 are sectional views showing the vicinity of the massage air cell in the seat back 74 of the vehicle seat 70. The configuration of the seat cushion 72 in the vicinity of the massage air cell is substantially the same as that of the seat back 74.

  As shown in FIGS. 7 and 8, the seat pad 22 of the seat back 74 is provided with an air passage 76 for sending air to the skin 26 side. The air passage 76 is arranged along the seat frame 20 side of the seat pad 22 while communicating with the air hole 76A formed so as to penetrate the seat pad 22 along the thickness direction of the seat pad 22 and the air hole 76A. And a flow path 76B. The air for air conditioning is sent to the surface side (occupant side) of the seat back 74 through the air flow hole 76A through the slab 24 and the outer skin 26 through the flow path 76B as shown by an arrow D.

  A sheet-like felt member 78 as a stroke increasing means is provided on the surface (upper surface shown in FIG. 7) of the seat frame 20 in the air passage 76. That is, the felt member 78 is disposed between the seat frame 20 and the slab 24 on the seat frame 20 side. The felt member 78 is disposed across the flow path 76B and the air blowing hole 76A. An end portion 78A of the felt member 78 is inserted into a concave portion 22B formed in the air blowing hole 76A of the seat pad 22.

  A first massage air cell 80 as a massage bag body disposed on the slab 24 side between the seat frame 20 and the slab 24 on the surface (the upper surface shown in FIG. 7) of the felt member 78 in the air blowing hole 76A. A second massage air cell 82 is provided as a massage bag disposed between the first massage air cell 80 and the felt member 78. The second massage air cell 82 and the felt member 78 are arranged so as to overlap each other. Attachment of the second massage air cell 82 to the felt member 78 is the same as in the second embodiment.

  The first massage air cell 80 and the second massage air cell 82 are connected by a connecting portion 84 near the center of the surface, and the connecting portion 84 includes a first massage air cell 80 and a second massage air cell 82. The communication hole which connects is formed. A tube (not shown) is connected to the second massage air cell 82, and air is introduced into the second massage air cell 82 through a tube by a pump (not shown), and a communication hole formed in the connecting portion 84 is provided. Thus, air is introduced from the second massage air cell 82 into the first massage air cell 80. The first massage air cell 80 and the second massage air cell 82 are formed in a size so as to be accommodated in the air blowing hole 76A during expansion and not hinder the flow of the air in the air blowing hole 76A. That is, the outer diameters of the first massage air cell 80 and the second massage air cell 82 during expansion are set to be smaller than the inner diameter of the air blowing hole 76A.

  As shown in FIG. 6, a plurality (eight in this embodiment) of air holes 76A are originally provided in the seat back 74 and the seat cushion 72 of the vehicle seat 70, and these air holes 76A. A first massage air cell 80 and a second massage air cell 82 are disposed on each of the two (see FIG. 7).

  In addition, a posture control air cell is not provided in a portion of the vehicle seat 70 where the air blowing hole 76A is formed.

  In such a vehicle seat 70, as shown in FIG. 8, air is introduced into the second massage air cell 82 through a tube (not shown) by a pump (not shown), whereby the second massage air cell. 82 expands. Furthermore, air is introduced into the first massage air cell 80 from the second massage air cell 82 through the communication hole formed in the connecting portion 84, whereby the first massage air cell 80 expands in the direction of arrow A.

  At that time, the felt member 78 receives a force in the direction of arrow E from the second massage air cell 82. The seat-like felt member 78 is less susceptible to deformation in the thickness direction (vertical direction shown in FIG. 8), and is therefore susceptible to the reaction force of the seat frame 20, and the occupant with the second massage air cell 82 seated on the vehicle seat 70 It is possible to swell only in the direction of. Thereby, the stroke to the skin 26 side (arrow A direction) of the air cell 80 for 1st massage and the air cell 82 for 2nd massage increases. For this reason, pressure can be applied to the occupant side seated on the vehicle seat 70 by the first massage air cell 80 and the second massage air cell 82 at a pinpoint.

  In addition, since the first massage air cell 80 and the second massage air cell 82 are provided in the air blowing holes 76A that are originally present, there is no need to newly provide a massage hole in the seat pad 22, which affects the seat performance. do not do.

  In the third embodiment, the sheet-like felt member 78 is provided on the seat frame 20, but the present invention is not limited to this. Instead of the felt member 78, for example, a thin pad or a thin rubber plate may be provided.

  Further, in the vehicle seat 70 of the third embodiment, the position, size, number, and the like of the posture control air cell 28 are not limited to the configuration shown in FIG. 6 and can be changed. Further, the position and number of the air blowing holes 76A (the first massage air cell 80 and the second massage air cell 82) can be changed.

  In the third embodiment, the first massage air cell 80 and the second massage air cell 82 are provided in the air blowing hole 76A. However, the present invention is not limited to this configuration. For example, a vehicle seat combining a configuration in which the first massage air cell 80 and the second massage air cell 82 are provided in the air blowing hole 76A and a configuration in which the massage air cell and the stroke increasing means according to the first or second embodiment are provided. May be installed.

[Additional notes]
In the first to third embodiments, air is introduced from the tube into the second massage air cell, and further, air is introduced into the first massage air cell through the insertion hole of the connecting portion. However, the present invention is not limited to this. . For example, air may be introduced into the first massage air cell, and air may be introduced into the second massage air cell through the insertion hole of the connecting portion. Moreover, it is good also as a structure which introduces air by connecting a tube separately to the 1st massage air cell and the 2nd massage air cell.

  Moreover, in 1st-3rd embodiment, although air was used as a fluid which expands the air cell for massage, it is not limited to this, For example, liquids, such as gas other than air, or water and oil, may be used. .

DESCRIPTION OF SYMBOLS 10 Vehicle seat 12 Seat cushion 14 Seat back 20 Seat frame 22 Seat pad (pad)
24 Slab (flexible member)
26 Skin 30 First Massage Air Cell (Massage Bag)
32 Air cell for second massage (stroke increasing means, other massage bags)
52 Seat cushion 54 Seat back 56 First massage air cell (massage bag)
58 2nd massage air cell (massage bag)
60 Felt member (Stroke increasing means)
70 Vehicle seat 72 Seat cushion 74 Seat back 76A Blower hole 78 Felt member (stroke increasing means)
80 1st massage air cell (massage bag)
82 2nd massage air cell (massage bag)

Claims (5)

A pad that supports the occupant;
A sheet-like bending member that is disposed on the surface side of the pad and is formed so as to be capable of bending deformation;
A skin covering the surface of the flexible member;
Provided on the side of the flexible member between the pad and the flexible member, or on the side of the flexible member between the seat frame supporting the pad and the flexible member, and expands when fluid is introduced inside. At least one massage bag;
It is provided on the pad side between the pad and the bending member or on the seat frame side between the seat frame and the bending member, and is arranged so as to overlap the massage bag body, and the massage Stroke increasing means for inflating the bag body to the skin side and increasing the stroke to the skin side;
A vehicle seat having:   The stroke increasing means is disposed between the pad and the massage bag body, and has an outer shape larger than the outer shape of the massage bag body as viewed from the epidermis side, and an edge portion of the massage bag body. The vehicle seat according to claim 1, wherein the vehicle seat extends outward from an edge of the vehicle.   The vehicle seat according to claim 2, wherein the stroke increasing means is another massage bag body that expands when a fluid is introduced therein.   The vehicle seat according to claim 2, wherein the stroke increasing means is a sheet-like felt or a rubber plate. The pad is provided with a blowing hole for sending wind to the skin side,
2. The vehicle seat according to claim 1, wherein the massage bag body and the stroke increasing means are provided between the seat frame and the flexible member inside the air blowing hole.

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