WO2015011803A1 - シート - Google Patents
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- Publication number
- WO2015011803A1 WO2015011803A1 PCT/JP2013/070080 JP2013070080W WO2015011803A1 WO 2015011803 A1 WO2015011803 A1 WO 2015011803A1 JP 2013070080 W JP2013070080 W JP 2013070080W WO 2015011803 A1 WO2015011803 A1 WO 2015011803A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- seat
- support
- sheet
- backrest
- rotation
- Prior art date
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Classifications
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- 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
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C1/00—Chairs adapted for special purposes
- A47C1/02—Reclining or easy chairs
- A47C1/022—Reclining or easy chairs having independently-adjustable supporting parts
- A47C1/024—Reclining or easy chairs having independently-adjustable supporting parts the parts, being the back-rest, or the back-rest and seat unit, having adjustable and lockable inclination
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/36—Support for the head or the back
- A47C7/40—Support for the head or the back for the back
- A47C7/405—Support for the head or the back for the back with double backrests
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/36—Support for the head or the back
- A47C7/40—Support for the head or the back for the back
- A47C7/48—Support for the head or the back for the back of freely-rotatable type
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- 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
-
- 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
- B60N2/04—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable
- B60N2/10—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable tiltable
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- 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
- B60N2/04—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable
- B60N2/16—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable height-adjustable
- B60N2/18—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable height-adjustable the front or the rear portion of the seat being adjustable, e.g. independently of each other
-
- 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
- B60N2/04—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable
- B60N2/16—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable height-adjustable
- B60N2/18—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable height-adjustable the front or the rear portion of the seat being adjustable, e.g. independently of each other
- B60N2/1807—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable height-adjustable the front or the rear portion of the seat being adjustable, e.g. independently of each other characterised by the cinematic
- B60N2/1839—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable height-adjustable the front or the rear portion of the seat being adjustable, e.g. independently of each other characterised by the cinematic pivoting about an axis located in an intermediate position
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- 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
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- 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
- B60N2/66—Lumbar supports
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- 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
- B60N2002/0204—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable characterised by the seat or seat part turning about or moving along a non-standard, particular axis, i.e. an axis different from the axis characterising the conventional movement
- B60N2002/0208—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable characterised by the seat or seat part turning about or moving along a non-standard, particular axis, i.e. an axis different from the axis characterising the conventional movement the seat or seat part turning about or moving along an inclined axis
-
- 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
- B60N2002/0204—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable characterised by the seat or seat part turning about or moving along a non-standard, particular axis, i.e. an axis different from the axis characterising the conventional movement
- B60N2002/0212—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable characterised by the seat or seat part turning about or moving along a non-standard, particular axis, i.e. an axis different from the axis characterising the conventional movement the seat or seat part turning about or moving along a longitudinal axis
-
- 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
- B60N2002/0204—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable characterised by the seat or seat part turning about or moving along a non-standard, particular axis, i.e. an axis different from the axis characterising the conventional movement
- B60N2002/0216—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable characterised by the seat or seat part turning about or moving along a non-standard, particular axis, i.e. an axis different from the axis characterising the conventional movement the seat or seat part turning about or moving along a transversal axis
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- 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
- B60N2002/0204—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable characterised by the seat or seat part turning about or moving along a non-standard, particular axis, i.e. an axis different from the axis characterising the conventional movement
- B60N2002/022—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable characterised by the seat or seat part turning about or moving along a non-standard, particular axis, i.e. an axis different from the axis characterising the conventional movement the seat or seat part turning about or moving along a vertical axis
Definitions
- the present invention relates to a sheet.
- the present invention is intended to provide a seat that is easy to secure a supporting force and that can easily reduce the size of the support structure around the seat including the front side of the seat.
- the seat according to the present invention includes a pivotable seat, a backrest that is pivotable independently of the seat, a first support that supports the front side of the seat by suspending, and a rear side of the seat Is suspended from the back side of the backrest part, and a second support part that rotatably supports the seat part together with the first support part is provided.
- the seat according to the present invention since the front side and the rear side of the seat portion are suspended and supported, it is easy to ensure the supporting force for the seating load as compared with the seat in which the front side of the seat portion is cantilevered. Become. Since the rear side of the seat part is supported by being hung from the back side of the backrest part, the support structure around the seat part including the front side of the seat part can be easily downsized.
- the present invention it is possible to provide a seat that can easily secure a supporting force and that can easily reduce the size of the support structure around the seat including the front side of the seat.
- FIG. 10 is a left side view schematically showing the sheet shown in FIG. 9.
- FIG. 10 is a front view schematically showing the sheet shown in FIG. 9.
- FIG. 10 is a rear view schematically showing the sheet shown in FIG. 9.
- the seat according to the embodiment of the present invention is applied to a moving body such as a vehicle or an aircraft.
- a vehicle seat will be described as an example.
- the left (L) right (R) direction, the front (Fr) rear (Rr) direction, and the up (Up) down (D) direction of the seat are respectively the left-right direction, the front-rear direction, and the up-down direction of the vehicle.
- the sheet 1A according to the first embodiment of the present invention will be described with reference to FIGS.
- a seat cover, a cushioning material, and the like are omitted for easy understanding of the support structure of the seat 1A.
- FIG. 1 is a perspective view schematically showing a sheet 1A according to the first embodiment of the present invention.
- 2 is a left side view schematically showing the sheet 1A
- FIG. 3 is a front view schematically showing the sheet 1A
- FIG. 4 is a rear view schematically showing the sheet 1A.
- FIG. 5 is a perspective view showing a structural example of the first support part 20 in the first embodiment
- FIG. 6 is a perspective view showing a structural example of the second support part 30 in the first embodiment.
- the seat 1A has a frame 2 that forms the skeleton of the seat 1A, a seat portion 3 that supports the periphery of the pelvis and the femur of the occupant seated on the seat 1A, and a backrest portion 4 that supports the periphery of the scapula of the occupant. ing.
- the frame 2 has a lower frame 5 that supports the seat portion 3 and a rear frame 6 that supports the backrest portion 4.
- the lower frame 5 is configured as a rectangular frame body in a top view, and is disposed in parallel or substantially in parallel with the vehicle floor F.
- the lower frame 5 is attached to a pair of rails 11 and 11 fixed to the floor F so as to be slidable in the front-rear direction.
- the rear frame 6 is configured as a rectangular frame body when viewed from the front, and is arranged to extend rearward and upward when viewed from the side.
- the lower end of the rear frame 6 is pivotally supported by the rear end of the lower frame 5, and the rear frame 6 can tilt with respect to the lower frame 5.
- a headrest 12 is attached to the upper end of the rear frame 6.
- the seat portion 3 includes a seat surface portion 7 that extends rearward and downward, a base portion 8 that elastically supports the seat surface portion 7, and a seat portion frame 9 that supports the base portion 8.
- the seat frame 9 is configured as a rectangular frame smaller than the lower frame 5 in a top view, and is arranged in the space of the frame of the lower frame 5.
- the base portion 8 is configured in a rectangular shape in a front view and a trapezoidal shape in a side view, and is fixed above the seat frame 9.
- the seat surface portion 7 is configured in a rectangular shape in a top view and is fixed above the base portion 8.
- the backrest portion 4 includes a backrest surface portion 10 that extends rearward and upward, and a backrest portion frame (not shown) that supports the backrest surface portion 10.
- the backrest surface portion 10 is configured in a rectangular shape when viewed from the front, and is disposed above and below the seat portion 3.
- the lower frame 5 is provided with a first support portion 20 that supports the front side of the seat portion 3 by suspending it.
- the rear frame 6 suspends the rear side of the seat portion 3 from the back side of the backrest portion 4 and supports the seat portion 3 together with the first support portion 20 so as to be rotatable (or swingable).
- a portion 30 is provided.
- the rear frame 6 is provided with a third support portion 40 that supports the backrest portion 4.
- the first support portion 20 includes a first joint portion 21 that is fixed to the left and right center of the front portion of the lower frame 5, and an upper end that is connected to the first joint portion 21 and a lower end that is the left and right of the front portion of the seat frame 9. It has the 1st suspension part 22 fixed to the center.
- the first support portion 20 includes a ball joint 25 that is an example of the first joint portion 21 and a connecting member 26 that is an example of the first suspended portion 22.
- the ball joint 25 protrudes forward from the center of the left and right of the frame member 5a that configures the lower frame 5 and extends in the left-right direction.
- the connecting member 26 is disposed above and behind the frame member 9a that constitutes the seat frame 9 and extends in the left-right direction, and connects the front portion of the ball joint 25 and the left-right center of the frame member 9a.
- the connecting member 26 is a U-shaped member opened to the front side in a top view, and the front portion thereof is fixed to the frame member 9a.
- the connecting member 26 is connected to the ball joint 25 so as to be rotatable at least with respect to the rotation axes Y1 and Z1.
- the rotation axis Y1 is an axis extending in the front-rear direction through the center of the ball joint 25, and the rotation axis Z1 is an axis extending in the vertical direction through the center of the ball joint 25.
- the second support portion 30 includes a second joint portion 31 fixed to the left and right center of the rear portion of the rear frame 6, and an upper end connected to the second joint portion 31 and a lower end And a second suspended portion 32 fixed to the rear portion of the seat frame 9.
- the second support portion 30 includes a ball joint 35 that is an example of the second joint portion 31 and a connecting member 36 that is an example of the second suspended portion 32.
- the ball joint 35 protrudes rearward from the left and right center of the frame member 6a that constitutes the rear frame 6 and extends in the left and right direction.
- the connecting member 36 is disposed above and rearward of the seat frame 9 and connects the rear part of the ball joint 35 and the rear part of the seat frame 9.
- the connection member 36 has a lower portion bent forward in an L shape with respect to the upper portion in a side view, and a front end of the lower portion is fixed to the seat frame 9.
- the connecting member 36 may be configured as a columnar member instead of the L-shaped member.
- the connecting member 36 is connected to the ball joint 35 so as to be rotatable at least with respect to the rotation axes Y2 and Z2.
- the rotation axis Y2 is an axis extending in the front-rear direction through the center of the ball joint 35
- the rotation axis Z2 is an axis extending in the vertical direction through the center of the ball joint 35.
- the rotation axis Z2 may be inclined within a range of about ⁇ 15 ° from the vertical direction in a side view.
- the front side and the rear side of the seat portion 3 are suspended and supported by the first support portion 20 and the second support portion 30, so that the seat 1 is seated as compared to a seat in which the front side of the seat portion is cantilevered. It becomes easy to secure the supporting force against the load.
- the rear side of the seat portion 3 is supported by being suspended from the rear side of the backrest portion 4 by the second support portion 30, the support structure around the seat portion 3 including the front side of the seat portion 3 can be easily reduced in size.
- the third support portion 40 includes a sliding plate 41 that is supported so as to be slidable in the vertical direction with respect to the front portion of the rear frame 6.
- the third support portion 40 further includes a bearing 42 fixed to the sliding plate 41, and a support member whose front end is fixed to the rear side of the backrest portion 4 and whose rear end is rotatably connected to the bearing 42. 43.
- the seat 1A further includes a backrest 13 that supports the periphery of the waist of the occupant seated on the seat 1A.
- the waistrest portion 13 includes a waistrest surface portion that extends rearward and upward in a side view, and a waistrest portion frame that supports the waistrest surface portion. Note that the backrest surface portion and the backrest portion frame are not shown.
- the waistrest part 13 is configured in a rectangular shape when viewed from the front.
- the waistrest part 13 is supported by the second support part 30, particularly the second suspension part 32, so that it can be rotated in accordance with the rotation of the seat part 3.
- the waistrest part 13 is supported by the second suspension part 32 via the support member 14 in a state in which the position in the front-rear direction and the inclination angle from the vertical direction in a side view can be adjusted.
- the virtual axis A connecting the support point of the first support part 20 and the support point of the second support part 30 is set so as to pass around the waist of the occupant seated on the seat 1A.
- the support points of the first and second support portions 20 and 30 refer to the central portions of the first and second joint portions 21 and 31, respectively.
- the lumbar region refers to a region including the lumbar vertebrae or trunk muscles around the lumbar vertebrae, and the lumbar region refers to the lumbar region and the region around the lumbar region.
- the virtual axis A is preferably set so as to be inclined rearward and upward in a range of 60 ° ⁇ 15 °, for example, from the vertical direction in a side view.
- the rotation axis B of the backrest part 4 is set so as to coincide with the longitudinal direction of the support member 43, parallel or substantially parallel to the front-rear direction, and to pass around the chest of the occupant seated on the seat 1A.
- the chest refers to the thoracic vertebra or a portion including muscles around the thoracic vertebra, and the chest peripheral refers to the chest and the region around the chest.
- the first suspending portion 22 rotates with respect to the rotation axis Y1 and the second suspending portion 32 rotates with respect to the rotation axis Y2, so that the seat portion 3 rotates in the roll direction of the vehicle.
- the right side and the left side of the part 3 are moved relatively in the vertical direction.
- the first suspension 22 rotates with respect to the rotation axis Z1 and the second suspension 32 rotates with respect to the rotation axis Z2, so that the seat 3 rotates in the yaw direction of the vehicle, and the seat 3
- the right side and the left side move relative to each other in the front-rear direction.
- the rotation axis A is set so as to pass around the lumbar region of the occupant seated on the seat 1A, the pelvis of the occupant, together with the seat portion 3, rolls the vehicle on the basis of the virtual axis A. It is possible to rotate in the direction and the yaw direction.
- the support member 43 rotates with respect to the bearing 42, whereby the backrest portion 4 rotates in the roll direction of the vehicle, and the right side and the left side of the backrest portion 4 move relatively in the vertical direction.
- the rotation axis B is set so as to pass around the chest of the occupant seated on the seat 1A, the scapula of the occupant is centered on the rotation axis B together with the backrest portion 4. It can be rotated in the roll direction of the vehicle.
- the right side and the left side of the seat back part 13 supported by the second suspension part 32 are vertically moved in accordance with the rotation of the seat part 3 by the rotation of the first and second suspension parts 22 and 32. And move relatively in the front-rear direction.
- the rotation axis A is set so as to pass around the waist of the occupant seated on the seat 1A, the pelvis of the occupant is stably supported by the waist rest portion 13 around the waist. In this state, the vehicle can be rotated in the roll direction and yaw direction of the vehicle with the virtual axis A as a reference.
- FIG. 7 is a front view showing the operation of the seat 1A accompanying the movement of the seated occupant when the vehicle turns right
- FIG. 8 shows the operation of the seat 1A accompanying the movement of the seated occupant when the vehicle turns left. It is a front view.
- a direction expressed as clockwise or counterclockwise with respect to the rotation axis Y1 or the rotation axis Y2 is a direction in a front view.
- a direction expressed as clockwise or counterclockwise in the roll direction is a direction in a front view.
- the direction expressed as clockwise or counterclockwise with respect to the rotation axis Z1 or the rotation axis Z2 is a direction in a top view.
- the direction expressed as clockwise or counterclockwise in the yaw direction is a direction in a top view.
- the non-turning direction means a direction opposite to the turning direction.
- the lumbar vertebra is bent so that the distance between the pelvis and the shoulder on the side of the turning direction is shorter than the distance between the pelvis and the shoulder on the side of the non-turning direction, and the lumbar is twisted so that the pelvis is opposite to the shoulder It is possible to perform the steering operation more easily by turning it. For this reason, the occupant tries to turn the pelvis and the shoulder in the opposite direction consciously or unconsciously.
- the first suspended portion 22 rotates clockwise with respect to the rotation axis Y1
- the second suspended portion 32 rotates clockwise with respect to the rotation axis Y2.
- the seat 3 rotates clockwise in the roll direction (in the direction of the arrow R1) in accordance with the movement of the pelvis, and the right side of the seat 3 is relatively relative to the left side. It will be in the state which moved upwards.
- the pelvis of the occupant seated on the seat 1A rotates in the vehicle roll direction, and the right side of the pelvis is moved upward relative to the left side.
- the first hanging part 22 rotates counterclockwise with respect to the rotation axis Z1
- the second hanging part 32 rotates counterclockwise with respect to the rotation axis Z2.
- the seat 3 rotates counterclockwise (in the direction of the arrow R2) in the yaw direction in accordance with the movement of the pelvis, and the right side of the seat 3 is moved forward relative to the left side.
- the pelvis of the occupant seated on the seat 1A rotates in the yaw direction of the vehicle, and the right side of the pelvis is moved forward relative to the left side.
- the support member 43 rotates counterclockwise in the front view of the seat 1A.
- the backrest 4 rotates counterclockwise in the roll direction (in the direction of arrow R3) in accordance with the movement of the scapula accompanying the movement of the shoulder, and the right side of the backrest 4 is relative to the left side. It will be in the state which moved below.
- the scapula of the occupant seated on the seat 1A rotates in the roll direction of the vehicle, and the right side of the scapula moves relative to the left side downward.
- the seat back portion 13 rotates in the roll direction and the yaw direction according to the rotation of the seat portion 3, and the right side of the seat back portion 13 moves relatively upward with respect to the left side and is relatively It moves to the front.
- the pelvis of the occupant seated on the seat 1 ⁇ / b> A moves in a state where the periphery of the waist is stably supported by the waist rest 13.
- the occupant who wants to turn the vehicle to the right bends the lumbar vertebrae using the trunk muscle, turns the pelvis clockwise in the roll direction, and turns the shoulder counterclockwise in the roll direction. It will be in the state rotated.
- the occupant twists the waist using the trunk muscles and turns the pelvis counterclockwise in the yaw direction. As a result, the occupant can easily perform the steering operation when turning right by turning the pelvis and the shoulder in opposite directions.
- the seat 3 rotates counterclockwise in the roll direction (the direction of the arrow R4) in accordance with the movement of the pelvis, and the right side of the seat 3 is relative to the left side.
- the state is moved downward.
- the seat 3 rotates clockwise in the yaw direction (in the direction of the arrow R5) in accordance with the movement of the pelvis, and the right side of the seat 3 is moved rearward relative to the left side. .
- the seat back portion 13 rotates in the roll direction and the yaw direction according to the rotation of the seat portion 3, and the right side of the seat back portion 13 moves relatively downward with respect to the left side and is relatively It will be in the state moved to back.
- the backrest part 4 rotates clockwise (in the direction of the arrow R6) in the roll direction in accordance with the movement of the scapula accompanying the movement of the shoulder part, and the right side of the backrest part 4 is relatively relative to the left side. It will be in the state which moved upwards.
- an occupant who wants to turn the vehicle to the left bends the lumbar vertebrae using the trunk muscles, turns the pelvis counterclockwise in the roll direction, and turns the shoulder portion clockwise in the roll direction. It will be in the state rotated.
- the occupant twists the waist using the trunk muscles and turns the pelvis clockwise in the yaw direction. As a result, the occupant can turn the pelvis and shoulders in the opposite directions and easily perform the steering operation during the left turn.
- the seating load is compared with a seat in which the front side of the seat portion is cantilevered. It becomes easy to ensure the supporting force with respect to. Since the rear side of the seat part 3 is supported by being hung from the back side of the backrest part 4, the support structure around the seat part 3 including the front side of the seat part 3 can be easily downsized.
- FIG. 9 is a perspective view schematically showing a sheet 1B according to the second embodiment of the present invention.
- 10 is a left side view schematically illustrating the sheet 1B
- FIG. 11 is a front view schematically illustrating the sheet 1B
- FIG. 12 is a rear view schematically illustrating the sheet 1B.
- 13 is a perspective view showing a structural example of the first support portion 50 in the second embodiment
- FIG. 14 is a perspective view showing a structural example of the second support portion 60 in the second embodiment.
- the configurations of the first support part 50 and the second support part 60 are different from those of the sheet 1A according to the first embodiment.
- a pair of belts 56, 56 are used instead of the connecting member 26 of the sheet 1A, and a pair of belts 66, 66 are used instead of the connecting member 36.
- the first support portion 50 includes a first joint portion 51 fixed to the left and right center of the front portion of the lower frame 5, and an upper end connected to the first joint portion 51 and a lower end.
- the first support portion 50 is composed of a composite joint 55 that is an example of the first joint portion 51 and a pair of belts 56 and 56 that are an example of the first suspended portion 52. .
- the composite joint 55 constitutes the lower frame 5 and extends in the left-right direction.
- the joint 55a is disposed at the lower front of the center of the left and right, the joint 55b is disposed below the joint 55a, and the joint 55b is disposed below the joint 55b. It has a pair of joints 55c and 55c to be arranged.
- the joint 55a rotates the joint 55b and the holding plate 55d that holds the pair of joints 55c and 55c
- the joint 55b rotates the holding plate 55d
- the pair of joints 55c and 55c turns to the pair of belts 56 and 56.
- the holding plate 55d is disposed between the joint 55b and the joints 55c and 55c so as to be rotatable in accordance with the rotation of the joint 55a or the rotation of the joint 55b.
- the pair of belts 56 and 56 are arranged in a reverse V shape in front view on the upper and rear sides of the frame member 9a that constitutes the seat frame 9 and extends in the left-right direction, and the left and right centers of the pair of joints 55c and 55c and the frame member 9a. Are linked.
- the pair of belts 56, 56 are wound around the frame member 9a at positions that are symmetrical with respect to the center of the frame member 9a.
- the pair of belts 56, 56 are connected to the composite joint 55 so as to be rotatable with respect to the rotation axes X1, Y1, Z1.
- the rotation axis X1 is an axis extending in the left-right direction through the joint 55a
- the rotation axis Z1 is an axis extending in the up-down direction through the joint 55b
- the rotation axis Y1 passes through the joints 55c and 55c in the front-rear direction. It is the axis
- the second support part 60 includes a second joint part 61 fixed to the left and right center of the rear part of the rear frame 6, an upper end connected to the second joint part 61, and a lower end It has the 2nd suspension part 62 connected to the rear part or rear-end part of the seat part flame
- the second support portion 60 includes a composite joint 65 that is an example of the second joint portion 61 and a pair of belts 66 and 66 that is an example of the second suspension portion 62. Has been.
- the composite joint 65 includes a joint 65a disposed below the frame member 6a constituting the rear frame 6, a joint 65b disposed below the joint 65a, and a pair of joints 66c and 66c disposed below the joint 65b. And have.
- the joint 65a rotates the joint 65b and the holding plate 65d that holds the pair of joints 65c and 65c
- the joint 65b rotates the holding plate 65d
- the pair of joints 65c and 65c are connected to the holding plate 65d.
- the pair of belts 66 and 66 are rotated via the pair of bending plates 65e and 65e.
- the holding plate 65d is disposed between the joint 65b and the joints 65c and 65c so as to extend rearward and downward in a side view in a state where the holding plate 65d can rotate according to the rotation of the joint 65a or the rotation of the joint 65b.
- the bending plate 65e is an L-shaped member that opens to the front side in a side view.
- the bent plate 65e is configured by an inclined portion extending obliquely downward and downward along the holding plate 65d in a side view, and a bent portion extending bent downward and forward from the inclined portion.
- the bent plate 65 e has an upper end connected to the lower portion of the holding plate 65 d and a lower end connected to the upper end of the belt 66.
- the pair of belts 66, 66 are arranged in an inverted V shape in front view on the upper and rear sides of the seat frame 9, and connect the composite joint 65 and the rear portion of the seat frame 9.
- the pair of belts 66 and 66 are wound around the seat frame 9 at positions that are symmetric with respect to the left and right center of the rear portion of the seat frame 9.
- the pair of belts 66 and 66 preferably have an inverted V-shaped apex angle of 30 ° or more in order to stably ensure the rotation of the seat portion 3.
- the pair of belts 66, 66 are connected to the composite joint 65 so as to be rotatable with respect to the rotation axes X2, Y2 ′, Z2 ′.
- the rotation axis X2 is an axis extending in the left-right direction through the joint 65a
- the rotation axis Z2 ′ is an axis extending rearward and downward along the holding plate 65d through the joint 65b
- the rotation axis Y2 ′ is a joint This is an axis (an axis orthogonal to the rotation axis Z2 ′) extending through the line 65c and perpendicular to the holding plate 65d.
- the rotation axis Z2 ′ is inclined with respect to the rotation axis Z2 (corresponding to the rotation axis in the yaw direction) extending in the vertical direction
- the rotation axis Y2 ′ is the rotation axis Y2 (roll direction) extending in the front-rear direction. Corresponding to the rotation axis).
- the front side and the rear side of the seat portion 3 are suspended and supported by the first support portion 50 and the second support portion 60, so that the seat 1B is seated compared to a seat in which the front side of the seat portion is cantilevered. It becomes easy to secure the supporting force against the load. Further, since the rear side of the seat portion 3 is supported by being suspended from the back side of the backrest portion 4 by the second support portion 60, the support structure around the seat portion 3 including the front side of the seat portion 3 can be easily downsized.
- the virtual axis A connecting the support point of the first support part 50 and the support point of the second support part 60 is set so as to pass around the waist of the occupant seated on the seat 1B.
- the rotation axis B of the backrest 4 is set so as to pass around the chest of the occupant.
- the seat 1B further includes a pivotable backrest 13.
- the waistrest part 13 is supported by the second support part 60, particularly the second suspension part 62, so that it can be rotated according to the rotation of the seat part 3.
- the first suspending portion 52 rotates with respect to the rotation axis X1 and the second suspending portion 62 rotates with respect to the rotation axis X2, whereby the seat portion 3 rotates in the vehicle pitch direction,
- the front side and the rear side of the part 3 move relatively in the front-rear and up-down directions.
- the rotation in the pitch direction is amplified by the holding plate 65d and the bending plate 65e.
- first suspension portion 52 rotates with respect to the rotation axis Z1 and the second suspension portion 62 rotates with respect to the rotation axis Z2 ′, whereby the seat portion 3 rotates in the yaw direction of the vehicle, and the seat portion The right side and the left side of 3 move relatively in the front-rear direction.
- first suspension part 52 rotates with respect to the rotation axis Y1 and the second suspension part 62 rotates with respect to the rotation axis Y2 ′, so that the seat portion 3 rotates in the roll direction of the vehicle.
- the right side and the left side of 3 move relatively in the vertical direction.
- the rotation in the roll direction occurs in conjunction with the rotation in the yaw direction.
- FIGS. 16 is a left side view showing the operation of the seat 1B accompanying the movement of the seated occupant during acceleration of the vehicle
- FIG. 17 is a left side view showing the operation of the seat 1B accompanying the movement of the seated occupant during deceleration of the vehicle.
- FIG. Since the operation of the seat 1B when the vehicle turns left and right is the same as that of the seat 1A according to the first embodiment, the description thereof is omitted.
- a direction expressed as clockwise or counterclockwise with respect to the rotation axis X1 or the rotation axis X2 is a direction in a side view.
- the direction expressed as clockwise or counterclockwise in the pitch direction is a direction in a side view.
- the first hanging part 52 rotates counterclockwise with respect to the rotation axis X1
- the second hanging part 62 rotates counterclockwise with respect to the rotation axis X2.
- the seat portion 3 rotates counterclockwise (in the direction of the arrow R ⁇ b> 7) in the pitch direction and moves to the rear side
- the front side of the seat portion 3 is the seat portion 3. It will be in the state which moved below relatively with respect to the rear side.
- the pelvis of the occupant seated on the seat 1B rotates in the vehicle pitch direction, and the front side of the pelvis is moved downward relative to the rear side of the pelvis.
- the seat back 13 rotates in the pitch direction according to the rotation of the seat 3 and moves to the rear as a whole, and the front side of the seat back 13 is relatively lower than the rear. It will be in the state moved to. As a result, the pelvis of the occupant seated on the seat 1 ⁇ / b> B moves in a state where the periphery of the waist is stably supported by the waist rest 13.
- the occupant who wants to accelerate the vehicle uses the trunk muscles to bend the lumbar vertebrae forward and rotate the pelvis counterclockwise in the pitch direction. Thereby, the passenger
- the seat portion 3 rotates clockwise in the pitch direction (in the direction of the arrow R8) and moves to the front as a whole. To move relatively upward. Further, the seat back 13 rotates in the pitch direction in accordance with the rotation of the seat 3 and moves to the front as a whole, and the front side of the seat back 13 is relatively upward with respect to the rear. Moved.
- the occupant who wants to decelerate the vehicle turns the lumbar spine backward using the trunk muscles and turns the pelvis clockwise in the pitch direction.
- crew can maintain the attitude
- the bearing force against the seating load is compared with a seat in which the front side of the seat portion is cantilevered. It becomes easy to secure. Since the rear side of the seat part 3 is supported by being hung from the back side of the backrest part 4, the support structure around the seat part 3 including the front side of the seat part 3 can be easily downsized.
- the suspension support structure by the composite joints 55, 65 and the pair of belts 56, 56, 66, 66 is adopted, and the seat portion 3 is rotatably supported in the pitch direction, the yaw direction, and the roll direction of the vehicle.
- the seat portion 3 is rotatably supported in the pitch direction, the yaw direction, and the roll direction of the vehicle.
- the front side and the rear side of the seat part 3 are suspended and supported, so that the front side of the seat part is cantilevered. In comparison, it becomes easier to secure a supporting force for the seating load. Since the rear side of the seat part 3 is supported by being hung from the back side of the backrest part 4, the support structure around the seat part 3 including the front side of the seat part 3 can be easily downsized. Moreover, since the front side and the rear side of the seat part 3 are suspended and supported, the rotation (or swinging) of the seat part 3 is facilitated.
- the seat portion 3 is supported so that the right and left sides of the seat portion 3 move relatively in the vertical direction of the seats 1A and 1B by the rotation of the seat portion 3, a steering operation for turning the vehicle is performed.
- the crew can be done easily. That is, it is possible to improve the steering operability of the occupant by moving the turning direction side of the vehicle of the pelvis relatively upward in the vertical direction of the seats 1A and 1B with respect to the non-turning direction side.
- the seat portion 3 is supported so that the right and left sides of the seat portion 3 move relatively in the front-rear direction of the seats 1A and 1B by the rotation of the seat portion 3, a steering operation for turning the vehicle is performed.
- the crew can be done easily. That is, it is possible to improve the steering operability of the occupant by moving the turning direction side of the vehicle of the pelvis relatively forward in the front-rear direction of the seats 1A, 1B with respect to the non-turning direction side.
- the seat portion 3 is supported so that the front side and the rear side of the seat portion 7 move in the vertical direction by the rotation of the seat portion 3, the posture of the occupant who accelerates and decelerates the vehicle can be easily maintained. it can.
- the posture retention of the occupant can be improved by relatively moving the pelvis in the vertical direction so as to suppress the change in posture caused by the inertial force acting on the occupant during acceleration / deceleration.
- the virtual axis A connecting the support points of the first support portions 20 and 50 and the support points of the second support portions 30 and 60 is set so as to pass around the waist of the occupant seated on the seats 1A and 1B. Further, bending of the lumbar spine and twisting of the lumbar spine are facilitated, and the steering operability of the passenger can be further improved.
- the right and left sides of the backrest part 4 support the backrest part 4 so as to move relatively in the vertical direction of the seats 1A and 1B by the rotation of the backrest part 4, a steering operation for turning the vehicle is performed.
- the crew can be done easily. That is, the steering operability of the occupant can be improved by moving the turning direction side of the vehicle of the pelvis relatively downward in the vertical direction of the seats 1A and 1B with respect to the non-turning direction side.
- the backrest 13 is supported with respect to the second support portions 30 and 60 so that the seat 3 can rotate according to the rotation of the seat 3, the seat 3 and the backrest 4 rotate independently of each other. Even when it moves, it becomes easy to ensure the stability around the waist of the occupant.
- the sheet according to the present invention is not limited to those described in the first and second embodiments.
- the sheet according to the present invention may be a sheet obtained by modifying the sheet according to the first and second embodiments without departing from the gist of the invention described in each claim, or may be applied to other sheets.
- first and second joint portions 21, 31, 51, 61 are configured by the ball joints 25, 35 or the composite joints 55, 65 .
- at least one of the first and second joint portions 21, 31, 51, 61 may be configured by a universal joint or a cross joint.
- the seat frame 9 is supported among the seats 3 by the first and second support parts 20, 30, 50, 60 has been described. You may comprise so that it may support.
- the seat surface portion 7 includes a seat cover, a cushioning material, and the like.
- first and second support portions 50 and 60 are configured to include the pair of joints 51c, 51c, 61c, and 61c and the pair of belts 56, 56, 66, and 66 has been described.
- a single joint 51c, 61c and a single belt 56, 66 may be used.
- the correspondence between the joints 51a, 51b, 51c and the directions of the rotation axes X1, Z1, Y1 or the correspondence between the joints 61a, 61b, 61c and the rotation axes X2, Z2 ′, Y2 ′ may be changed as appropriate. Good.
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- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Transportation (AREA)
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- Health & Medical Sciences (AREA)
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- General Health & Medical Sciences (AREA)
- Seats For Vehicles (AREA)
Abstract
Description
Claims (11)
- 回動可能な座部と、
前記座部から独立して回動可能な背もたれ部と、
前記座部の前側を吊り下げて支持する第1支持部と、
前記座部の後側を前記背もたれ部の後方の側から吊り下げて、前記第1支持部とともに前記座部を回動可能に支持する第2支持部と、
を備えるシート。 - 前記第1及び第2支持部が、前記座部の回動により前記座部の右側と左側とが当該シートの上下方向に相対的に移動するように、前記座部を支持する、請求項1に記載のシート。
- 前記第1及び第2支持部が、前記座部の回動により前記座部の右側と左側とが当該シートの前後方向に相対的に移動するように、前記座部を支持する、請求項1又は2に記載のシート。
- 前記第1及び第2支持部が、前記座部の回動により前記座部の前側と後側とが当該シートの上下方向に相対的に移動するように、前記座部を支持する、請求項1~3のいずれか一項に記載のシート。
- 前記第1支持部の支持点と前記第2支持部の支持点とを結ぶ仮想軸が、当該シートに着座した乗員の腰部周辺を通るように設定されている、請求項1~4のいずれか一項に記載のシート。
- 当該シートの前後方向に延びる下部フレームと、該下部フレームから立設する後部フレームとを有し、
前記第1支持部が前記下部フレームに取り付けられ、前記第2支持部が前記後部フレームに取り付けられる、請求項1~5のいずれか一項に記載のシート。 - 前記第2支持部が、前記後部フレームの側から当該シートの下向きに延びて前記座部に接続される連結部材を有する、請求項6に記載のシート。
- 前記第2支持部が、前記後部フレームの側から当該シートの下向きに延びて前記座部に接続される一対のベルトを有する、請求項6に記載のシート。
- 前記第2支持部が、後方下向きに傾斜して延びる傾斜部と、該傾斜部の下から前方下向きに屈曲して延びる屈曲部とにより構成される屈曲部材を有し、前記屈曲部材の下端が前記ベルトの上端に接続されている、請求項8に記載のシート。
- 前記背もたれ部の後側を支持する第3支持部をさらに備え、
前記第3支持部が、前記背もたれ部の回動により前記背もたれ部の右側と左側とが当該シートの上下方向に相対的に移動するように、前記背もたれ部を支持する、請求項1~9のいずれか一項に記載のシート。 - 当該シートに着座した乗員の腰部周辺が支持され、かつ、前記座部の回動に応じて回動可能なように前記第2支持部に対して支持される腰もたれ部をさらに備える、請求項1~10のいずれか一項に記載のシート。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2013/070080 WO2015011803A1 (ja) | 2013-07-24 | 2013-07-24 | シート |
US14/906,653 US9802513B2 (en) | 2013-07-24 | 2013-07-24 | Seat |
DE112013007273.4T DE112013007273B4 (de) | 2013-07-24 | 2013-07-24 | Sitz |
CN201380078401.2A CN105531147B (zh) | 2013-07-24 | 2013-07-24 | 座椅 |
JP2015528064A JP5987989B2 (ja) | 2013-07-24 | 2013-07-24 | シート |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2013/070080 WO2015011803A1 (ja) | 2013-07-24 | 2013-07-24 | シート |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2015011803A1 true WO2015011803A1 (ja) | 2015-01-29 |
Family
ID=52392883
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2013/070080 WO2015011803A1 (ja) | 2013-07-24 | 2013-07-24 | シート |
Country Status (5)
Country | Link |
---|---|
US (1) | US9802513B2 (ja) |
JP (1) | JP5987989B2 (ja) |
CN (1) | CN105531147B (ja) |
DE (1) | DE112013007273B4 (ja) |
WO (1) | WO2015011803A1 (ja) |
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Also Published As
Publication number | Publication date |
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CN105531147B (zh) | 2017-11-03 |
DE112013007273B4 (de) | 2019-06-06 |
US20160159254A1 (en) | 2016-06-09 |
JPWO2015011803A1 (ja) | 2017-03-02 |
DE112013007273T5 (de) | 2016-04-07 |
US9802513B2 (en) | 2017-10-31 |
JP5987989B2 (ja) | 2016-09-07 |
CN105531147A (zh) | 2016-04-27 |
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