WO2013160990A1 - 移動体用座席 - Google Patents
移動体用座席 Download PDFInfo
- Publication number
- WO2013160990A1 WO2013160990A1 PCT/JP2012/060875 JP2012060875W WO2013160990A1 WO 2013160990 A1 WO2013160990 A1 WO 2013160990A1 JP 2012060875 W JP2012060875 W JP 2012060875W WO 2013160990 A1 WO2013160990 A1 WO 2013160990A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- seat
- backrest
- lateral movement
- support
- supports
- Prior art date
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
- B60N2/20—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being tiltable, e.g. to permit easy access
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/70—Upholstery springs ; Upholstery
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
- B60N2/22—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being adjustable
- B60N2/2222—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being adjustable the back-rest having two or more parts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/64—Back-rests or cushions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/70—Upholstery springs ; Upholstery
- B60N2/7011—Upholstery springs ; Upholstery of substantially two-dimensional shape, e.g. hammock-like, plastic shells, fabrics
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/70—Upholstery springs ; Upholstery
- B60N2/7094—Upholstery springs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/70—Upholstery springs ; Upholstery
- B60N2/72—Attachment or adjustment thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/90—Details or parts not otherwise provided for
- B60N2/986—Side-rests
Definitions
- the present invention relates to a seat for a moving body.
- centrifugal force lateral acceleration
- the upper body moves laterally in the direction of the centrifugal force and largely rolls around the upper body contact point with the seat. For this reason, the occupant tries to keep the upper body stable by straddling the lower body or pressing the upper body (the back) against the backrest.
- the lateral movement of the upper body becomes large, and it may be difficult to suppress rolling.
- the present invention seeks to provide a mobile seat that can effectively suppress the rolling of the upper body of the occupant.
- a seat for a mobile body is a seat for a mobile body having a backrest portion and a seat portion, and the backrest portion supports a lower backrest that supports a lower portion of an upper body of an occupant seated on the seat portion and an upper portion of the upper body.
- An upper part of the backrest is provided, and the lower part of the backrest has lower support resistance than the upper part of the backrest with respect to the lateral movement of the upper body.
- the backrest lower part has lower support resistance than the backrest upper part to the lateral movement of the upper body. For this reason, a large reaction force can be secured against the centrifugal force and the accompanying rotational moment, and the lateral movement and roll of the upper body can be effectively suppressed.
- the backrest part can be configured as follows, for example. That is, the backrest lower part may have a cushion part composed of a plurality of block members arranged at least in the direction of lateral movement. Moreover, the backrest lower part may have a cushion part in which a gap is formed in a direction intersecting with the direction of lateral movement. Further, the lower backrest may be formed of a material having a lower resistance than the upper backrest with respect to deformation caused by lateral movement.
- the backrest upper part and the backrest lower part have a plurality of air cushions, the air cushions at the upper part of the backrest are arranged in a direction intersecting the direction of the lateral movement, and the air cushions at the lower part of the backrest are They may be arranged parallel to the direction of movement.
- the upper part of the backrest and the lower part of the backrest have front cloths, the upper part of the backrest is sewn with seams in the direction intersecting the direction of lateral movement, and the front cloth of the lower part of the backrest is lateral. You may sew with a seam parallel to the direction of movement.
- the backrest lower part may have a cushion part supported so that the mobility to the direction of a side movement becomes higher than the cushion part of a backrest upper part.
- the seat portion of the seat for the moving body includes a seat surface portion that is deformed or displaced so that the lower portion of the upper body is inclined in the direction of the lateral movement when the upper body is moved laterally.
- the seat portion is deformed or displaced so that the lower part of the upper body tilts in the direction of side movement.
- the upper body is warped, and the upper part of the upper body is naturally tilted in the direction opposite to the direction of lateral movement.
- the upper body is naturally pressed against the upper part of the backrest, and the rolling of the upper body can be more effectively suppressed.
- the occupant's head can be effectively prevented from rolling and the occurrence of symptoms such as car sickness can be suppressed.
- the seat portion of the seat for the moving body is deformed or displaced about a virtual rotation axis that is located at the height of the lower part of the upper body and has an axis in the roll direction of the moving body.
- the seat can be configured as follows.
- the seat portion is supported such that one end thereof is rotatable with respect to a support body having a left and right end portion and supporting the seat surface portion, and a support end located above each end portion in the left and right direction.
- You may further have a rotation support part with which the other end is rotatably supported with respect to a part.
- the edge part of the left-right direction of a seat surface part may be supported so that a seat surface part can rotate to the direction of a side movement.
- the edge part of the left-right direction of a seat surface part may be elastically supported so that a seat surface part can rotate to the direction of a side movement.
- the seat may further include a support that supports the seat surface, and a support that extends in the left-right direction of the seat and supports the support so as to be swingable in the direction of lateral movement.
- FIG. 4 is a cross-sectional view showing a seat back portion according to a second embodiment in a U cross section and a LL cross section in FIG.
- FIG. 6 is a cross-sectional view showing a seat back portion according to a modification of the second embodiment, taken along the U cross section and the LL cross section of FIG.
- FIG. 10 is a cross-sectional view showing a seat back portion according to another modified example of the second embodiment, taken along the line UU and the line LL in FIG.
- the moving object seat of the present invention is applied to a vehicle seat.
- the moving body seat can be applied not only to the vehicle seat but also to other moving body seats such as trains and airplanes.
- FIG. 1 is a perspective view showing a vehicle seat according to an embodiment of the present invention.
- the vehicle seat (seat for moving body) is a seat that can effectively suppress the rolling of the occupant's upper body by improving the structure of the seat back portion 100 (backrest portion) and the seat portion 200 (seat portion). is there.
- the vehicle seat includes a seat back portion 100 and a seat portion 200.
- the vehicle seat includes a seat back frame 101 and a seat frame 201.
- the seat back frame 101 is supported by the seat frame 201, and the seat frame 201 is supported by a lower body structure such as the floor panel 300.
- the seat back frame 101 forms the seat back portion 100 together with the seat back cushion 102, and the seat frame 201 forms the seat portion 200 together with the seat cushion 202.
- the seat back part 100 is rotatably held with respect to the seat part 200 via the reclining mechanism R.
- the seat back cushion 102 is formed with side supports 102b projecting forward from the backrest 102a on both sides in the width direction of the backrest 102a.
- a headrest 103 is provided on the seat back cushion 102.
- the seat cushion 102 is formed with side supports 202b that protrude upward from the flat portion 202a on both sides in the width direction of the flat portion 202a.
- the seat back cushion 102 is provided with a front cover, a back cover, and a cushion portion as will be described later.
- the front cover and the back cover are covers that cover the cushion portion, and the front cover is in contact with the back surface of the occupant seated on the seat portion.
- the front cover and the back cover are formed of fiber cloth, resin cloth, leather, or the like.
- a cushion part is a buffer part for absorbing the impact which acts on a passenger
- the cushion portion is formed of urethane, air cushion, elastomer resin, or the like.
- a back base fabric, a spring, or the like may be provided between the back cover and the cushion portion.
- the seat back part 100 is divided into an upper part 100U (backrest upper part) and a lower part 100L (backrest lower part).
- the upper part 100U supports the upper upper part of the occupant seated on the seat part 200, particularly the periphery of the scapula.
- the lower part 100L supports the lower part of the occupant's upper body, particularly the periphery of the waist. Therefore, the occupant sitting on the seat part 200 is supported by the lower part 100 ⁇ / b> L of the seat back part 100 and the upper part of the upper part by the upper part 100 ⁇ / b> U of the seat back part 100.
- the seat portion 200 has a seat surface portion 203 (see FIG. 2) that supports the flat portion 202a of the seat cushion 202.
- the seat surface portion 203 supports the occupant's buttocks and thighs seated on the seat portion 200.
- FIG. 2 is a schematic diagram showing the operation principle of the vehicle seat.
- the centrifugal force Fa acts on the upper part of the upper body B of the occupant, for example, the periphery of the scapula around the center of gravity Ga, and rotates about the contact point C with the seat part 200.
- a moment Ma is generated.
- the upper body B moves laterally in the direction in which the centrifugal force Fa acts, and largely rolls around the contact point C with the seat portion 200.
- the occupant moves the lower part of the upper body B in the direction of the centrifugal force Fa, that is, the direction of lateral movement (rightward in FIG. 2). Assume the case of rotating. In this case, when the lower part of the upper body B tilts, the upper body B warps, and the upper part of the upper body B naturally tilts in a direction opposite to the direction of lateral movement (leftward in FIG. 2).
- the lower part 100L of the seat back part 100 is comprised so that it may have a support resistance lower than the upper part 100U of the seat back part 100 with respect to a passenger
- the seat portion 200 is configured to include a seat surface portion 203 that is deformed or displaced so that the lower portion of the upper body B is inclined in the direction of lateral movement.
- the upper body B warps and the upper part of the upper body B naturally tilts in the direction opposite to the direction of lateral movement.
- the upper body B is naturally pressed against the upper part 100U of the seat back part 100, and the roll of the upper body B can be more effectively suppressed.
- the upper part of the upper body B is tilted in the direction opposite to the direction of the lateral movement, it is possible to effectively suppress the roll of the occupant's head H and to suppress the occurrence of symptoms such as car sickness.
- the seat back portion 100 is characterized in that the lower portion 100L of the seat back portion 100 has lower support resistance than the upper portion 100U of the seat back portion 100 with respect to the lateral movement of the upper body.
- FIG. 3 is a perspective view showing the seat back part 110 according to the first embodiment.
- the lower part 110L of the seat back part 110 has a cushion part 113L composed of a plurality of block members 114 arranged at least apart in the side movement direction SM. Yes.
- a front cover 111U, a back cover 112U, and a cushion part 113U are provided on the upper part 110U of the seat back part 110.
- a front cover 111L, a back cover 112L, and a cushion portion 113L are also provided in the lower portion 110L.
- the cushion portions 113U and 113L are formed of urethane, elastomer resin, or the like.
- the cushion part 113U of the upper part 110U is formed of a single block.
- the cushion portion 113L of the lower portion 110L is formed of a plurality of small blocks 114 such as a columnar shape and a prismatic shape arranged side by side in the horizontal direction and the vertical direction of the seat back portion 110. Therefore, the cushion portion 113L of the lower portion 110L is relatively easily deformed in the left-right direction (the direction of the arrow M1) and has a lower rigidity than the cushion portion 113U of the upper portion 110U.
- the block arrangement of the cushion portion 113L of the lower portion 110L is four rows on the left and right, and three rows on the top and bottom, but other block arrangements may be applied.
- the cushion part 113U of the upper part 110U may be formed of a plurality of blocks as long as it is harder to deform than the cushion part 113L of the lower part 110L.
- Each block 114 of the lower portion 110L may be provided with a compression resistance member (illustrated) such as a thin plate in the depth direction of the cushion portion 113L in order to provide a compression resistance sufficient to support the upper body.
- the lower part 110L of the seat back part 110 has the cushion part 113L composed of a plurality of block members 114 arranged at least in the lateral movement direction SM. is doing. Thereby, the elastic resistance of the lower part 110L of the seat back part 110 is reduced more than the upper part 110U of the seat back part 110 through the arrangement structure of the block members 114. For this reason, the lower part 110L of the seat back part 110 has lower support resistance than the upper part 110U of the seat back part 110 with respect to the lateral movement of the upper body.
- FIGS. 4 to 6 are cross-sectional views showing the seat back portion 120 according to the second embodiment and the seat back portions 130 and 140 according to modifications thereof in the U cross section and the LL cross section in FIG.
- the lower portions 120L, 130L, and 140L of the seat back portions 120, 130, and 140 intersect with the lateral movement direction SM.
- the seat back part 120 which concerns on 2nd Embodiment is mainly demonstrated.
- a front cover 121U, a back cover 122U, and a cushion part 123U are provided on the upper part 120U of the seat back part 120.
- a front cover 121L, a back cover 122L, and a cushion portion 123L are also provided in the lower portion 120L.
- the cushion parts 123U and 123L are made of urethane, for example.
- a plurality of grooves 125 are formed substantially vertically along the back surface of the cushion part 122L.
- the groove 125 may be formed when the cushion portion 123L is molded, or may be formed after molding. Therefore, the cushion portion 123L of the lower portion 120L is relatively easily deformed in the lateral direction (the direction of the arrow M2) as compared with the cushion portion 123U of the upper portion 120U. As long as this deformation condition is satisfied, a groove may be formed in the cushion portion 122U of the upper portion 120U, or the plurality of grooves 125 may be formed to be inclined. Moreover, the groove
- channel 125 may be formed in the back base fabric 124L with the cushion part 123L.
- a plurality of grooves 135 are formed in the lower portion 130 ⁇ / b> L of the seat back portion 130 shown in FIG. 5 substantially vertically along the front surface of the cushion portion 133 ⁇ / b> L.
- a gap 145 is formed between the backrest 102a and the side support 102b.
- the gap 145 is formed by reducing the width of the lower part of the backrest 102a or the side support 102b than the upper part or adjusting the attachment position between the upper part and the lower part.
- the cushion portion 143L of the lower portion 140L is relatively easily deformed or displaced in the left-right direction (the direction of the arrow M4) and has a lower rigidity than the cushion portion 143U of the upper portion 140U. Note that a gap may be formed in the cushion portion 143U of the upper portion 140U as long as this deformation or displacement condition is satisfied.
- the lower portions 120L, 130L, and 140L of the seat back portions 120, 130, and 140 are substantially in the lateral movement direction SM.
- Cushion portions 123L, 133L, and 143L in which gaps 125, 135, and 145 are vertically formed are provided. Accordingly, the elastic resistance or displacement resistance of the lower portions 120L, 130L, and 140L of the seat back portions 120, 130, and 140 is increased by forming the gaps 125, 135, and 145, and the upper portions 120U, 130U, and 140U of the seat back portions 120, 130, and 140, respectively. It is reduced from 140U.
- the lower portions 120L, 130L, and 140L of the seat back portions 120, 130, and 140 have lower support resistance than the upper portions 120U, 130U, and 140U of the seat back portions 120, 130, and 140 with respect to lateral movement of the upper body. Will have.
- FIG. 7 is a schematic diagram showing the seat back unit 150 according to the third embodiment.
- the lower portion 150L of the seat back portion 150 is formed of a material having a resistance lower than that of the upper portion 150U of the seat back portion 150 with respect to deformation due to lateral movement.
- a front cover 151U, a back cover 152U, and a cushion part 153U are provided on the upper part 150U of the seat back part 150.
- the lower cover 150L is provided with a front cover 151L and a rear cover 152L, but is not provided with a cushion portion.
- the cushion portion 153U of the upper portion 150U is formed of urethane
- the front cover 151L of the lower portion 150L is formed of a net cover.
- the upper part 150U resists the lateral movement of the upper body by the frictional resistance of the front cover 151U and the elastic resistance of the cushion part 153U.
- the lower part 150L resists the lateral movement of the upper body due to the frictional resistance of the front cover 151L, and the rigidity is lowered. Therefore, in particular, the frictional resistance of the front cover 151L can be reduced by forming the front cover 151L of the lower portion 150L with a net cover.
- the lower part 150L (front cover 151L) of the seat back part 150 has a lower resistance than the upper part 150U (cushion part 153U) against deformation accompanying lateral movement. It is formed with the material which has. Thereby, the elastic resistance and frictional resistance of the lower part 150L of the seat back part 150 are reduced more than the upper part 150U of the seat back part 150 through the characteristic of a material. For this reason, the lower part 150L of the seat back part 150 has lower support resistance than the upper part 150U of the seat back part 150 with respect to the lateral movement of the upper body.
- FIG. 8 is a schematic diagram showing the seat back unit 160 according to the fourth embodiment.
- the upper portion 160U and the lower portion 160L of the seat back portion 160 have a plurality of air cushions 163U and 163L.
- the air cushions 163U of the upper portion 160U are arranged in a direction intersecting the side movement direction SM, and the air cushions 163L of the lower portion 160L are arranged in parallel to the side movement direction SM. Yes.
- a front cover 161U, a back cover 162U, and a cushion portion 163U are provided on the upper portion 160U of the seat back portion 160.
- a front cover 161L, a back cover 162L, and a cushion portion 163L are also provided in the lower portion 160L.
- the cushion portions 163U and 163L are formed of a plurality of air cushions such as a columnar shape and a polygonal column shape filled with a gas such as air.
- the air cushion 163U of the upper portion 160U is arranged side by side in the vertical direction of the seat back portion 160, while the air cushion 163L of the lower portion 160L is arranged side by side in the left and right direction of the seat back portion 160. Therefore, the air cushion 163L of the lower portion 160L is more easily rotated and deformed in the left-right direction (the direction of the arrow M6) and has lower rigidity than the air cushion 163U of the upper portion 160U.
- the air cushions 163U and 163L are arranged in four upper rows and six lower rows, but other cushion arrangements may be applied. Further, as long as this deformation condition is satisfied, the air cushions 163U and 163L may be disposed in an oblique direction with respect to the seat back portion 160.
- the upper portion 160U and the lower portion 160L of the seat back portion 160 have a plurality of air cushions 163U and 163L, and the air cushion 163U of the upper portion 160U is lateral.
- the air cushions 163L of the lower portion 160L are arranged in parallel to the side movement direction SM.
- FIG. 9 is a schematic diagram showing a seat back unit 170 according to the fifth embodiment.
- the upper part 170U and the lower part 170L of the seat back part 170 have front cloths (surface covers 171U and 171L). Then, the top cloth (surface cover 171U) of the upper part 170U is sewn with a stitch 174U in a direction intersecting with the direction of lateral movement SM, and the front cloth (surface cover 171L) of the lower part 170L is moved sideways. Is sewn with a seam 174L parallel to the direction SM.
- a front cover 171U, a back cover 172U, and a cushion portion 173U are provided on the upper portion 170U of the seat back portion 170.
- the lower portion 170L is also provided with a front cover 171L, a back cover 172L, and a cushion portion 173L.
- the front covers 171U and 171L are formed of a sewn fiber cloth.
- the front cover 171U of the upper portion 170U is sewn at a seam 174U in a direction intersecting the lateral direction of the seat back portion 170, particularly a substantially vertical direction DU, while the front cover 171L of the lower portion 170L is The back portion 170 is sewn with a seam 174L in a direction DL parallel to the lateral direction of the back portion 170. Therefore, the front cover 171L of the lower portion 170L has a lower frictional resistance in the lateral direction than the front cover 171U of the upper portion 170U.
- the seams 174U and 174L of the front covers 171U and 171L may be inclined with respect to the lateral direction of the seat back portion 170 as long as this friction condition is satisfied.
- the upper part 170U and the lower part 170L of the seat back part 170 have the front cloth (surface covers 171U, 171L), and the upper cloth (surface cover) of the upper 170U. 171U) is sewn at a seam 174U in a direction intersecting the direction of lateral movement SM, and the lower cloth 170L (surface cover 171L) is sewn at a seam 174L parallel to the direction of lateral movement SM.
- the frictional resistance of the lower part 170L of the seat back part 170 is reduced from that of the upper part 170U through the surface structure of the front cloth (surface covers 171U, 171L).
- the lower part 170L of the seat back part 170 has lower support resistance than the upper part 170U of the seat back part 170 with respect to the lateral movement of the upper body.
- FIG. 10 is a schematic diagram showing a seat back unit 180 according to the sixth embodiment.
- the lower portion 180L of the seat back portion 180 is supported so that the mobility in the lateral movement direction SM is higher than the upper portion 180U of the seat back portion 180. .
- a front cover 181U, a back cover 182U, and a cushion part 183U are provided on the upper part 180U of the seat back part 180. Further, a front cover 181L, a back cover 182L, and a cushion portion 183L are also provided in the lower portion 180L.
- the cushion portion 183U of the upper portion 180U is fixed to a seat back frame (not shown), while the cushion portion 183L of the lower portion 180L is slightly slidable in the lateral direction of the seat back portion 180, A seatback frame (not shown) is supported by a support shaft 184 and the like. Therefore, the cushion portion 183L of the lower portion 180L is more easily displaced in the lateral direction (the direction of the arrow M8) than the cushion portion 183U of the upper portion 180U. Note that the cushion portion 183U of the upper portion 180U may be supported in a slidable state as long as it is less likely to be displaced than the cushion portion 183L of the lower portion 180L.
- the lower portion 180L of the seat back portion 180 is supported so that the mobility in the lateral movement direction SM is higher than that of the upper portion 180U.
- the displacement resistance of the lower part 180L of the seat back part 180 is reduced more than the upper part 180U of the seat back part 180 through the support structure of the lower part 180L of the seat back part 180.
- the lower portion 180L of the seat back portion 180 has a lower support resistance than the upper portion 180U of the seat back portion 180 with respect to the lateral movement of the upper body.
- the seat back portions 110, 120, 130, 140, 150, 160, 170, 180 according to the embodiment of the present invention, the seat back portions 110, 120, 130, 140, 150, 160, Lower portions 110L, 120L, 130L, 140L, 150L, 160L, 170L, 180L of 170, 180 are lower than upper portions 110U, 120U, 130U, 140U, 150U, 160U, 170U, 180U for lateral movement of the upper body Has resistance. For this reason, a large reaction force can be secured against the centrifugal force and the accompanying rotational moment, and the lateral movement and roll of the upper body can be effectively suppressed.
- the seat portion 200 includes the seat surface portion 203 that is deformed or displaced so that the lower portion of the upper body tilts in the direction of the lateral movement when the upper body moves sideways.
- FIG. 11 is a schematic diagram showing the sheet unit 210 according to the first embodiment.
- the seat portion 210 according to the first embodiment includes a support body (seat surface support portion 214) that has an end portion in the left-right direction and supports the seat surface portion 213, and a support that is positioned above each end portion in the left-right direction.
- One end is rotatably supported with respect to the end, and further has a rotation support portion 215 with the other end rotatably supported with respect to each end.
- the seat portion 210 is provided with a seat surface portion 213, a seat surface support portion 214, and a rotation support portion 215 (left support portion 215L, right support portion 215R).
- the seating surface support part 214 functions as a support body that supports the seating surface part 213.
- the seat surface portion 213 is a member that supports the seat cushion 202, and is provided below the flat portion 202 a of the seat cushion 202.
- the seat surface portion 213 may be a belt-like spring (such as a cloth spring), a linear spring (such as an S spring or a contour spring), or a combination thereof.
- the seat surface support portion 214 is a rigid member that supports the seat surface portion 213 from below.
- the seating surface support portion 214 is a member having an inverted ⁇ -shaped cross section in the left-right direction of the seat portion 210, for example.
- the rotation support portion 215 is a member that supports the seat surface support portion 214 so as to be rotatable (swingable) with respect to the seat frame 201.
- the rotation support portion 215 is formed as a member having first rotation ends 216L and 216R for the seat frame 201 and second rotation ends 217L and 217R for the seating surface support portion 214.
- the rotation support portion 215 includes a left support portion 215L that supports the left end portion of the seat surface support portion 214 with respect to the left seat frame 201, and a right end portion of the seat surface support portion 214 to the right seat frame 201. It has a right support part 215R that supports it.
- the left support portion 215L and the right support portion 215R of the rotation support portion 215 are positioned below the support point (the point that supports the first rotation ends 216L and 216R) provided at the tip of the overhang portion 201a of the seat frame 200. is doing. Therefore, the rotation support portion 215 rotates in the direction of the arrow M1 with respect to the support point via the first rotation ends 216L and 216R, and the seat surface support portion 214 passes through the second rotation ends 217L and 217R. It rotates in the direction of arrow M2 with respect to the rotation support part 215. Accordingly, the seat surface portion 213 can swing in the direction SM of lateral movement with respect to the seat frame 201 via the first rotation ends 216L and 216R and the second rotation ends 217L and 217R of the rotation support portion 215. Supported by
- the seat part 210 is configured to have the following positional relationship with the passenger sitting on the seat part 210. That is, the rotation support unit 215 is configured such that a virtual rotation axis having an axis in the roll direction of the moving body substantially coincides with the height around the lumbar spine of the occupant.
- the virtual rotation axis extends from the left second rotation end 217L through the first rotation end 216L, and from the right second rotation end 217R to the first rotation end 216R. This is an axis connecting the intersection point with the LR and the position Gb at which the intersection point is projected onto the seat back portion 100. This positional relationship is maintained even when the seat surface portion 213 swings through the first and second rotating ends 216L, 216R, 217L, and 217R and the upper body is inclined to the side.
- the seat portion 210 has a left and right end portion and a support body (seat surface support portion 214) that supports the seat surface portion 213, and each end portion in the left and right direction.
- One end (first rotation end 216L, 216R) is rotatably supported with respect to the support end positioned above the other end, and the other end (second rotation end 217L, 217R) is rotatable with respect to each end.
- a rotation support portion 215 supported by the motor. For this reason, the seat surface part 213 is displaced so that the lower part of the upper body is inclined in the roll direction of the vehicle, that is, the direction of side movement SM.
- FIG. 12 and FIG. 13 are schematic views showing a sheet part 220 according to the second embodiment and a sheet part 230 according to a modification thereof.
- the left and right ends of the seat surface portions 223 and 233 are in the direction SM of the lateral movement of the seat surface portions 223 and 233, that is, the direction of the arrow M3. It is supported so that it can rotate.
- seat part 220 which concerns on 2nd Embodiment is mainly demonstrated.
- the seat portion 220 includes a seat surface portion 223, a seat surface support portion 224 (left support portion 224L, right support portion 224R), and a rotation support portion 225 (left support portion 225L, right support portion 225R).
- the seat surface portion 223 is a member that supports the seat cushion 202, and is provided below the flat portion 202 a of the seat cushion 202.
- the seat surface portion 223 may be a band spring (such as a cloth spring), a linear spring (such as an S spring or a contour spring), or a combination thereof.
- the seat surface support portion 224 is a cylindrical or rod-like member that supports the seat surface portion 223.
- the seating surface support portion 224 includes a left support portion 224L that supports the left end portion of the seating surface portion 223 and a right support portion 224R that supports the right end portion.
- the end portion of the seat surface portion 223 may be fixed to the seat surface support portion 224, or may be formed in a cylindrical shape so that the seat surface support portion 224 is inserted.
- the rotation support part 225 is a member that supports the seat surface support part 224 with respect to the seat frame 201 and the like so as to be rotatable in the lateral movement direction SM, that is, in the vehicle roll direction.
- the rotation support portion 225 includes a left support portion 225L that supports the left support portion 224L of the seat surface support portion 224, and a right support portion 225R that supports the right support portion 224R of the seat surface support portion 224.
- the rotation support part 225 supports the front and rear ends of the seating surface support part 224 with respect to the seat frame 201 (floor panel 300 in the modification shown in FIG. 13) and the like.
- the rotation support part 225 is in the direction of the arrow M3 (shown in FIG. 13) with respect to the support end supported by the end of the seating surface support part 224, the seat frame 202 (floor panel 300 in the modification shown in FIG. 13), and the like. In the modification, it has a rotation end that is rotatably supported in the direction of the arrow M4.
- the rotation support portion 225 is supported so as to return to the position before the rotation after rotating with respect to the rotation end.
- the rotation support part 225 may be rotated by a support end mechanism (such as a hinge) or may be rotated by the elasticity of the rotation support part 225 itself (see FIG. 13).
- the seat part 220 is configured to have the following positional relationship with the passenger sitting on the seat part 220. That is, the rotation support unit 225 is configured such that a virtual rotation axis having an axis in the roll direction of the moving body substantially coincides with the height around the lumbar spine of the occupant.
- the virtual rotation axis is an intersection of the line LL extending from the rotation end of the left rotation support portion 225L through the support end and the line LR extending from the rotation end of the right rotation support portion 225R through the support end. Is the axis connecting the position Gb projected onto the seat back portion 100. This positional relationship is maintained even when the rotation support portion 225 rotates around the rotation end and the upper body is inclined to the side.
- the sheet portion 230 according to the modification is also configured to have the same positional relationship.
- the left and right ends of the seat surface portions 223 and 233 can be rotated in the lateral movement direction SM of the seat surface portions 223 and 233. It is supported. For this reason, the seat surface portions 223 and 233 are deformed so that the lower portion of the upper body is inclined in the vehicle roll direction, that is, the lateral movement direction SM.
- FIG. 14 is a schematic diagram showing a sheet portion 240 according to the third embodiment.
- the end portion in the left-right direction of the seat surface portion 243 is elastically supported so that the seat surface portion 243 can rotate in the lateral movement direction SM.
- the seat portion 240 is provided with a seat surface portion 243 and a seat surface support portion 244 (left support portion 244L, right support portion 244R).
- the seat surface portion 243 is a member that supports the seat cushion 202 and is provided below the flat portion 202 a of the seat cushion 202.
- the seat surface portion 243 may be a belt-like spring (such as a cloth spring), a linear spring (such as an S spring or a contour spring), or a combination thereof.
- the seat surface support portion 244 is an elastic member that supports the seat surface portion 243 so as to be rotatable with respect to the seat frame 201.
- the seat surface support portion 244 supports the seat surface portion 243 so that the seat surface portion 243 returns to the position before the rotation after the seat surface portion 243 rotates with respect to the seat frame 201.
- the seat support 244 includes a left support 244L that supports the left end of the seat 243 with respect to the left seat frame 201, and a right support that supports the right end of the seat 243 with respect to the right seat frame 201. 244R.
- the seat surface support portion 244 may be a plurality of linear springs and winding springs (string winding springs) provided along the front-rear direction of the seat portion 240, or may be a leaf spring extending along the left and right end portions of the seat portion 240. .
- the left and right end portions of the seating surface portion 243 are elastically supported so that the seating surface portion 243 can rotate in the lateral movement direction SM. For this reason, the seat surface portion 243 is deformed so that the lower portion of the upper body is inclined in the vehicle roll direction, that is, the lateral movement direction SM.
- FIG. 15 is a schematic diagram showing a sheet portion 250 according to the fourth embodiment.
- the end portion in the front-rear direction of the seat surface portion 253 is supported so that the seat surface portion 253 can swing in the lateral movement direction SM.
- the seat portion 250 is provided with a seat surface portion 253 and a seat surface support portion 254 (a front support portion 254F and a rear support portion 254B).
- the seat surface portion 253 is a member that supports the seat cushion 202, and is provided below the flat portion 202 a of the seat cushion 202.
- the seat surface portion 253 may be a belt-like spring (such as a cloth spring), a linear spring (such as an S spring or a contour spring), or a combination thereof.
- the seat surface support portion 254 is a cylindrical or rod-like member that supports the seat surface portion 253. The left and right ends of the seating surface support portion 254 are fixed to the seat frame 201.
- the seat surface support portion 254 includes a front support portion 254F that supports the front end portion of the seat surface portion 253, and a rear support portion 254B that supports the rear end portion.
- the front support portion 254F and the rear support portion 254B are provided so as to draw a substantially arc toward the lower side of the seat portion 250.
- the seat surface support portion 254 supports the seat surface portion 253 so that the seat surface portion 253 can swing in the lateral movement direction SM, that is, the vehicle roll direction, along the longitudinal direction thereof.
- the seat surface portion 253 swings in the direction of the arrow M5 while generating frictional resistance with the seat surface support portion 254.
- the seat cushion 202 supported by the seat surface portion 253 also swings.
- the seat surface support portion 254 may be inserted into the end portion of the seat surface portion 253 formed in a cylindrical shape, or may be engaged with a hook (not shown) formed at the end portion of the seat surface portion 253.
- the seat portion 250 is configured to have the following positional relationship with the passenger sitting on the seat portion 250.
- the seating surface support portion 254 has a virtual rotation axis connecting the center of the arc drawn by the axis and the position Gb where the center of the arc is projected on the seat back portion 100 substantially coincides with the height around the lumbar spine of the occupant. It is configured. This positional relationship is maintained even when the seat surface portion 253 is swung and the upper body is inclined to the side.
- the end portion in the front-rear direction of the seat surface portion 253 is supported so that the seat surface portion 253 can swing in the lateral movement direction SM.
- the seat surface portion 253 is displaced so that the lower portion of the upper body is inclined in the vehicle roll direction, that is, the lateral movement direction SM.
- FIG. 16 is a schematic diagram showing a seat portion 260 according to the fifth embodiment.
- the seat portion 260 according to the fifth embodiment extends in the left-right direction of the support body (seat surface support portion 264 and roller 265) that supports the seat surface portion 263, and supports the support body (seat surface support portion 264).
- the roller 265) is further provided with a support portion (rail 266) for swinging in the direction of lateral movement SM.
- the seat portion 260 includes a seat surface portion 263, a seat surface support portion 264 (front support portion 264F, rear support portion 264B), a roller 265 (left roller 265L, right roller 265R) and a rail 266 (front rail 266F, rear rail 266B). Is provided.
- the seating surface support portion 264 and the roller 265 function as a support body that supports the seating surface portion 263.
- the seat surface portion 263 is a member that supports the seat cushion 202, and is provided below the flat portion 202a of the seat cushion 202.
- the seat surface portion 263 may be a belt-like spring (such as a cloth spring), a linear spring (such as an S spring or a contour spring), or a combination thereof.
- the seat surface portion 263 is shown as two S springs extending in the front-rear direction of the seat portion 260.
- the seat surface support portion 264 is a rigid member that supports the front and rear ends of the seat surface portion 263.
- the seat surface support portion 264 includes a front support portion 264 ⁇ / b> F that supports the front end portion of the seat surface portion 263, and a rear support portion 264 ⁇ / b> B that supports the rear end portion of the seat surface portion 263.
- the seat surface support portion 264 only needs to be able to support the seat surface portion 263 with respect to the roller 265, and may be configured to support, for example, the left and right sides or the periphery of the seat surface portion.
- the roller 265 is a cylindrical or round bar-like member that supports the seating surface support portion 264.
- the roller 265 includes a left roller 265L that supports the left end portion of the seating surface support portion 264, and a right roller 265R that supports the right end portion of the seating surface support portion 264.
- the front end portion of the left roller 265L supports the left end portion of the front support portion 264F of the seat surface support portion 264, and the rear end portion supports the left end portion of the rear support portion 264B of the seat surface support portion 264.
- the front end portion of the right roller 265R supports the right end portion of the front support portion 264F of the seat surface support portion 264, and the rear end portion supports the right end portion of the rear support portion 264B of the seat surface support portion 264.
- the rail 266 is an arcuate support member that supports the roller 265.
- the rail 266 extends in the left-right direction of the seat portion 260 and supports the seating surface support portion 264 and the roller 265 so as to be swingable in the lateral movement direction.
- the left and right ends of the rail 266 are fixed to the seat frame 201.
- the rail 266 is illustrated as a front rail 266 ⁇ / b> F and a rear rail 266 ⁇ / b> B that extend along the front end and the rear end of the seat portion 260.
- the rail 266 only needs to support the roller 265 so as to be able to swing.
- the front and rear rails may be integrally formed.
- the rail 266 extends in the left-right direction of the seat portion 260 so as to draw a substantially arc toward the lower side of the seat portion 260.
- the rail 266 supports the roller 265 and the like so that the seat surface portion 263 can swing in the left-right direction of the seat portion 260 along its axis.
- the rollers 265L and 265R swing in the direction of the arrow M6 while generating frictional resistance with the rails 266F and 266B. As the rollers 265L and 265R swing, the seat surface portion 263 and the seat cushion 202 supported by the rollers 265L and 265R also swing.
- the seat portion 260 is configured to have the following positional relationship with the passenger sitting on the seat portion 260. That is, the rail 266 is configured such that a virtual rotation axis connecting the center of the arc drawn by the axis and the position Gb where the center of the arc is projected onto the seat back portion 100 substantially coincides with the height around the lumbar vertebra of the occupant. Yes. This positional relationship is maintained even when the seat surface portion 263 swings with respect to the rails 266F and 266B and the upper body is inclined to the side.
- the seat portion 260 extends in the left-right direction of the support body (the seat surface support portion 264 and the roller 265) that supports the seat surface portion 263, and is supported. It further has a support portion (rail 266) that supports the body (seat surface support portion 264 and roller 265) so as to be swingable in the direction of lateral movement SM. For this reason, the seat surface portion 263 is displaced so that the lower portion of the upper body is inclined in the vehicle roll direction, that is, the side movement direction SM.
- the seat portions 210, 220, 230, 240, 250, and 260 when the upper body moves sideways, the lower part of the upper body is inclined in the side movement direction SM.
- the seat surface portions 213, 223, 233, 243, 253, 263 are deformed or displaced.
- the upper body is warped, and the upper part of the upper body is naturally tilted in the direction opposite to the direction of lateral movement SM.
- the upper body is naturally pressed against the upper portion 100U of the seat back portion 100, and the roll of the upper body can be more effectively suppressed.
- the upper part of the upper body is inclined in the direction opposite to the direction of side movement SM, it is possible to effectively suppress the roll of the head of the occupant and suppress the occurrence of symptoms such as car sickness.
- the above-described embodiment describes the best embodiment of the mobile seat according to the present invention, and the mobile seat according to the present invention is limited to the one described in the present embodiment. is not.
- the movable body seat according to the present invention may be modified from the movable body seat according to the present embodiment or applied to other ones without departing from the gist of the invention described in each claim. .
- 100, 110, 120, 130, 140, 150, 160, 170, 180 ... seat back 100U, 110U, 120U, 130U, 140U, 150U, 160U, 170U, 180U ... upper part of seat back, 100L, 110L, 120L, 130L, 140L, 150L, 160L, 170L, 180L ... lower part of seat back part, 101 ... seat back frame, 102 ... seat back cushion, 201 ... seat frame, 102 ... seat cushion, 200, 210, 220, 230, 240, 250, 260 ... seat part, 203, 213, 223, 233, 243, 253, 263 ... seat part.
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- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Seats For Vehicles (AREA)
- Chair Legs, Seat Parts, And Backrests (AREA)
Abstract
Description
Claims (15)
- 背もたれ部と座部を有する移動体用座席であって、
前記背もたれ部は、前記座部に座した乗員の上半身の下部を支える背もたれ下部と、前記上半身の上部を支える背もたれ上部とを備え、
前記背もたれ下部は、前記上半身の側方移動に対して、前記背もたれ上部よりも低い支持抵抗を有している、移動体用座席。 - 前記座部は、前記側方移動に際して、前記側方移動の方向に前記上半身の下部が傾くように変形または変位する座面部を備えている、請求項1に記載の移動体用座席。
- 前記座面部は、前記上半身の下部の高さに位置して前記移動体のロール方向に軸を有する仮想回転軸を中心に変形または変位する、請求項1または2に記載の移動体用座席。
- 前記背もたれ下部は、少なくとも前記側方移動の方向に離間して並べられた複数のブロック部材からなるクッション部を有している、請求項1~3のいずれか一項に記載の移動体用座席。
- 前記背もたれ下部は、前記側方移動の方向に対して交差する方向に隙間が形成されたクッション部を有している、請求項1~3のいずれか一項に記載の移動体用座席。
- 前記背もたれ下部は、前記側方移動に伴う変形に対して前記背もたれ上部よりも低い抵抗を有する材料で形成されている、請求項1~3のいずれか一項に記載の移動体用座席。
- 前記背もたれ上部と前記背もたれ下部は、複数のエアクッションを有しており、
前記背もたれ上部のエアクッションは、前記側方移動の方向に対して交差する方向に並べられ、前記背もたれ下部のエアクッションは、前記側方移動の方向に対して平行に並べられている、請求項1~3のいずれか一項に記載の移動体用座席。 - 前記背もたれ上部と前記背もたれ下部は、表布を有しており、
前記背もたれ上部の表布は、前記側方移動の方向に対して交差する方向の縫い目で縫製され、前記背もたれ下部の表布は、前記側方移動の方向に対して平行な縫い目で縫製されている、請求項1~3のいずれか一項に記載の移動体用座席。 - 前記背もたれ下部は、前記側方移動の方向への移動性が前記背もたれ上部のクッション部よりも高くなるように支持されたクッション部を有している、請求項1~3のいずれか一項に記載の移動体用座席。
- 前記座部は、左右方向の端部を有するとともに前記座面部を支持する支持体と、前記左右方向の各端部よりも上方に位置する支持端に対して一端が回転可能に支持され、前記各端部に対して他端が回転可能に支持される回転支持部とをさらに有している、請求項2または3に記載の移動体用座席。
- 前記座面部の左右方向の端部は、前記座面部が前記側方移動の方向に回転できるように支持されている、請求項2または3に記載の移動体用座席。
- 前記座面部の左右方向の端部は、前記座面部が前記側方移動の方向に回転できるように弾性支持されている、請求項2または3に記載の移動体用座席。
- 前記座面部の前後方向の端部は、前記座面部が前記側方移動の方向に揺動できるように支持されている、請求項2または3に記載の移動体用座席。
- 前記座部は、前記座面部を支持する支持体と、前記座部の左右方向に延びると共に、前記支持体を前記側方移動の方向に揺動可能に支持する支持部とをさらに有している、請求項2または3に記載の移動体用座席。
- 背もたれ部と座部を有する車両用座席であって、
前記背もたれ部は、前記座部に座した乗員の上半身の下部を支える背もたれ下部と、前記上半身の上部を支える背もたれ上部とを備え、
前記背もたれ下部は、前記上半身の側方移動に対して、前記背もたれ上部よりも低い支持抵抗を有している、車両用座席。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201280072606.5A CN104245419A (zh) | 2012-04-23 | 2012-04-23 | 移动体用座椅 |
US14/395,908 US20150130237A1 (en) | 2012-04-23 | 2012-04-23 | Seat for moving body |
PCT/JP2012/060875 WO2013160990A1 (ja) | 2012-04-23 | 2012-04-23 | 移動体用座席 |
JP2014512048A JP5896020B2 (ja) | 2012-04-23 | 2012-04-23 | 移動体用座席 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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PCT/JP2012/060875 WO2013160990A1 (ja) | 2012-04-23 | 2012-04-23 | 移動体用座席 |
Publications (1)
Publication Number | Publication Date |
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WO2013160990A1 true WO2013160990A1 (ja) | 2013-10-31 |
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PCT/JP2012/060875 WO2013160990A1 (ja) | 2012-04-23 | 2012-04-23 | 移動体用座席 |
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US (1) | US20150130237A1 (ja) |
JP (1) | JP5896020B2 (ja) |
CN (1) | CN104245419A (ja) |
WO (1) | WO2013160990A1 (ja) |
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JP4797379B2 (ja) * | 2003-12-26 | 2011-10-19 | 株式会社ブリヂストン | 車両用シートクッションパッド、車両用シートバックパッド及び車両用シート |
JP2006224808A (ja) * | 2005-02-17 | 2006-08-31 | Fujitsu Ten Ltd | 座席制御装置および座席制御方法 |
JP2009154711A (ja) * | 2007-12-26 | 2009-07-16 | Inoac Corp | シートバック用のパッド |
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US9873364B2 (en) | 2014-02-26 | 2018-01-23 | Toyota Jidosha Kabushiki Kaisha | Vehicle seat |
CN107009931A (zh) * | 2015-09-22 | 2017-08-04 | 福特全球技术公司 | 具有用于舒适性、空间调节和个性化舒适性基因的辅助空气源的空气悬浮座椅 |
CN107009931B (zh) * | 2015-09-22 | 2020-12-01 | 福特全球技术公司 | 空气悬浮座椅 |
USD799224S1 (en) * | 2015-12-23 | 2017-10-10 | Ford Global Technologies, Llc | Vehicle rear seat |
USD799225S1 (en) * | 2015-12-23 | 2017-10-10 | Ford Global Technologies, Llc | Vehicle front driver seat |
JP2017132364A (ja) * | 2016-01-28 | 2017-08-03 | トヨタ自動車株式会社 | 乗物用シート装置 |
Also Published As
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JP5896020B2 (ja) | 2016-03-30 |
CN104245419A (zh) | 2014-12-24 |
US20150130237A1 (en) | 2015-05-14 |
JPWO2013160990A1 (ja) | 2015-12-21 |
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