JP6889385B2 - Rotating seat device - Google Patents

Description

The present invention relates to a rotating seat device, and more particularly to a rotating seat device capable of arranging seats in consideration of the positional relationship between seats arranged adjacent to each other.

Conventionally, a plurality of seats arranged adjacent to each other in the seat width direction are provided, and the angle at which a plurality of seats face each other is adjusted by rotating one seat in a direction in which the other seat is separated from the seat. Possible rotating seat devices are known (eg, Patent Document 1).

The rotary seat device described in Patent Document 1 is a split-type rotary rear seat used in an automobile, and includes a seat rotation mechanism that rotatably connects the split seats in the direction of approaching and separating from the main body seat. It also has a seat lock mechanism that can lock the split sheet at a position close to the main body sheet.
With the above configuration, the seat device is capable of arranging seats by appropriately adjusting the angle at which the main body seat and the divided seat face each other.

Jikkai Sho 57-32528

However, in the rotating seat device as in Patent Document 1, although it is possible to arrange the seats so that the adjacent seated persons can easily communicate with each other, the seated persons can further communicate with each other. There was a need to devise seat arrangements and seat configurations so that people could spend time in a comfortable environment.
Further, when the rotating seat device is used in the vehicle, it is further required to devise a seat arrangement and a seat configuration so that the seated persons can enjoy conversation and at the same time share the scenery seen from the vehicle window.
In particular, in preparation for the introduction of autonomous driving of vehicles in the near future, it is required to create a more comfortable space inside the vehicle by devising the seat arrangement and seat configuration including the front seats and rear seats. It was.

The present invention has been made in view of the above problems, and an object of the present invention is to devise a seat arrangement and a seat configuration of seats arranged adjacent to each other so that the seated people can spend time in a comfortable environment. It is to provide a rotating seat device capable of.

According to the rotary seat device of the present invention, the subject is a seating seat which is arranged adjacent to each other in the seat width direction and has a first seat portion and a second seat portion which can be seated, and the first seat portion and the first seat portion. A seat provided between the two seat portions, the second seat portion is rotatably connected to the first seat portion in the direction of approaching and separating from the first seat portion, and the second seat portion can be locked at a position after rotation. The seat rotation mechanism includes a rotation mechanism, and the seat rotation mechanism has a seat rotation shaft that extends in the vertical direction and rotatably connects the second seat portion to the first seat portion, and the seating seat. Further, the seat slide mechanism for connecting the seat rotation shaft to the floor so as to be slidable in the front-rear direction of the seat is further provided. It is solved by being arranged directly above the slide rail.
As described above, since the second seat portion is rotatably connected to the first seat portion and the second seat portion is provided with a seat rotation mechanism that can be locked at an arbitrary position after rotation, the seated persons are connected to each other. The seat orientation that is comfortable for the user can be set arbitrarily, and the seat can be locked with the set seat orientation.
That is, it is possible to realize a rotating seat device that allows seated persons to spend time in a comfortable environment by devising the seat arrangement and seat configuration of the seating seat.
Further, with the above configuration, the seat rotation mechanism can be assembled with a relatively simple configuration.
In addition, the above configuration enables a wider variety of seat arrangements.

At this time, it is preferable that the seat rotation shaft is connected to the slide rail so as to be slidable.
Further, the seat rotation shaft is arranged on a side portion of the second seat portion on the side of the first seat portion in the seat width direction, and is on the side opposite to the first seat portion side of the second seat portion. It is preferable that the side portion is provided with a slider provided at the lower end portion of the second seat portion and supports the seating seat from below.
Further, it is preferable that the slider is arranged behind the seat with respect to the seat rotation axis.

At this time, the seating seat has a first frame portion which is a skeleton of the first seat portion and a second frame portion which is a skeleton of the second seat portion, and the seat rotation mechanism is the first. It is preferable that the 1st frame portion and the 2nd frame portion are connected.
With the above configuration, the connection rigidity between the seat seat and the seat rotation mechanism can be improved.

At this time, the seating seat includes the first pad portion provided by the first seat portion, the second pad portion provided by the second seat portion, the first pad portion, and the second pad portion. It is preferable to have a skin that covers both of them and extends following the rotational movement of the second seat portion.
According to the above configuration, when the seating seat is switched from the normal position where the first seat portion and the second seat portion are close to each other to the rotational position where the second seat portion is separated from the first seat portion, the second seat portion is used. The epidermis will extend following the rotational movement of.
Therefore, unlike the conventional case, a gap is not formed between the first seat portion and the second seat portion, and the first seat portion and the second seat portion are always integrated by the skin to form a continuous seating seat. Can be formed.
As a result, the seated passengers can always maintain a comfortable sense of distance, and a variety of seat arrangements that expand the imagination of enjoyment become possible.

At this time, at least one of the first pad portion provided by the first seat portion and the second pad portion provided by the second seat portion is when the second seat portion moves to a predetermined rotation position. In order to fill the gap portion formed between the first pad portion and the second pad portion, it is preferable to have a pad overhanging portion that can project toward the gap portion.
According to the above configuration, when the seating seat is switched from the normal position to the rotating position, the gap portion between the first seat portion and the second seat portion is covered only with the skin, and the seat projects toward the gap portion. Since the pad has an overhanging portion, the seating comfort of the seat is ensured over the entire surface of the seat.

At this time, in at least one of the first pad portion and the second pad portion, a pad in which the first pad portion and the second pad portion come into contact with each other when the second sheet portion moves to a predetermined rotation position. contact portion, deformation amount with respect to the load applied to the pad than the portion other than the pad contacting portion rather large, the pad contacting portion at one of the first pad portion and the second pad portion is provided detachably it is, wherein the gap portion formed between the first pad portion and the second pad portion, may the pad contact portion is attachable.
With the above configuration, even when the first pad portion and the second pad portion come into contact with each other when the seating seat is switched from the normal position to the rotation position as an embodiment, the amount of elastic deformation of the pad contact portion becomes large. Since it is formed in such a manner, the rotational movement of the seating seat becomes good. In addition, deformation and damage of the seat can be suppressed.
Further, according to the above configuration, when the seating seat is switched from the normal position to the rotating position, an unnecessary pad contact portion can be appropriately removed.
Further, with the above configuration, it is possible to effectively utilize the removable pad contact portion and secure the seating comfort of the seating seat over the entire surface of the seat.

At this time, it is preferable that the seat rotation shaft rotatably connects the first seat portion to the second seat portion.
With the above configuration, a wider variety of seat arrangements are possible, and seated people can spend time in a comfortable environment.

At this time, it is preferable that the upper portion of the seat rotation shaft is provided with an outer overhanging portion that projects outward from the seat rotation shaft in a direction intersecting the axial direction.
With the above configuration, for example, by using the outer overhanging portion as a table, the seated person can spend more comfortably.

At this time, the rotating seat device is a rotating seat device for vehicles used in a vehicle, and the seating seat and the seat rotating shaft are connected to the vehicle body floor so as to be slidable in the front-rear direction or the left-right direction of the seat. It is good to have a seat slide mechanism.
With the above configuration, a wider variety of seat arrangements are possible. In particular, it is possible to arrange and configure seats so that occupants can enjoy conversation in the vehicle and at the same time share the scenery seen from one of the vehicle windows.

At this time, in the first frame portion and the second frame portion, a frame capable of axially supporting the seat rotation axis in at least two or more portions of the seat front portion, the seat substantially central portion, and the seat rear portion, respectively. It is preferable that the connecting portion is provided and the seat rotation shaft is pivotally supported by one selected from the plurality of the frame connecting portions.
With the above configuration, the assembly position of the seat rotation shaft can be appropriately selected in the front-rear direction of the seat, and a wider variety of seat arrangements are possible.

According to the present invention, the seat orientation that is comfortable for the seated persons can be arbitrarily set, and the seated seat can be locked in the set seat orientation. That is, it is possible to realize a rotating seat device in which seaters can spend time in a comfortable environment by devising the seat arrangement and seat configuration of the seat.
Further , according to the present invention, the connection rigidity between the seat seat and the seat rotation mechanism can be improved.
Further , according to the present invention, the first seat portion and the second seat portion can always be integrated by the skin to form a continuous seating seat. As a result, the seated passengers can always maintain a comfortable sense of distance, and a variety of seat arrangements that expand the imagination of enjoyment become possible.
Further, according to the present invention, the seating comfort of the seat is ensured over the entire surface of the seat.
Further, according to the present invention, the rotational operation of the seating seat becomes good. In addition, deformation and damage of the seat can be suppressed.
Further, according to the present invention, when the seating seat is switched from the normal position to the rotating position, an unnecessary pad contact portion can be appropriately removed.
Further, according to the present invention, the seating comfort of the seat can be ensured over the entire surface of the seat by using the removable pad contact portion.
Further, according to the present invention, the seat rotation mechanism can be assembled with a relatively simple configuration.
Further, according to the present invention, a wider variety of seat arrangements are possible, and seated people can spend time in a comfortable environment.
Further, according to the present invention, a wider variety of seat arrangements and seat configurations are possible in the vehicle.

It is a top view of the vehicle interior of the vehicle to which the rotary seat device of this embodiment is applied. It is external perspective view of the rotary seat device. FIG. 3A is a partial perspective view of a seat frame serving as a skeleton of a seating seat, and FIG. 3B is a vertical sectional view of a seat rotation mechanism. It is a top view of the vehicle to which the rotary seat device of 2nd Embodiment is applied. It is a top view of the vehicle to which the rotary seat device of 3rd Embodiment is applied. FIG. 6A is a plan view of the rotating seat device of the fourth embodiment, and FIG. 6B is a partial plan view of the seat frame. It is a top view of the vehicle interior of the vehicle to which the rotating seat device of 4th Embodiment is applied.

Hereinafter, the vehicle seat according to the embodiment of the present invention will be described with reference to FIGS. 1 to 7.
This embodiment is assembled between a seating seat having at least a first seat portion and a second seat portion arranged adjacent to each other in the seat width direction, and between the first seat portion and the second seat portion, and the first seat portion. The second seat portion is rotatably connected in the direction of approaching and separating from the second seat portion, and the second seat portion is provided with a seat rotation mechanism that can be locked at an arbitrary position after rotation. The present invention relates to an invention of a rotating seat device for a vehicle, characterized in that a skin that integrally covers the two seat portions extends following the rotational movement of the second seat portion.
The side on which the occupant sits with respect to the seat back of the seat is the front side of the seat.

As shown in FIG. 1, the rotary seat device 1 of the present embodiment is applied to a middle seat in the second row and a rear seat in the third row in a vehicle having three rows of seats in the front-rear direction of the vehicle, for example.
The rotating seat device 1 includes a seating seat 10 having a first seat portion 11, a second seat portion 12, and a third seat portion 13 arranged adjacent to each other in the seat width direction, and a first seat portion 11 and a second seat portion. It is provided between 12 and between the first seat portion 11 and the third seat portion 13, respectively, and rotates the second seat portion 12 and the third seat portion 13 in the direction of approaching and separating from the first seat portion 11. It is mainly composed of a seat rotation mechanism 50 which is possibly connected and can lock the second seat portion 12 and the third seat portion 13 at an arbitrary position after rotation.
Further, the rotating seat device 1 further includes a seat slide mechanism 60 (slide rail 61) that connects the seating seat 10 and the seat rotating mechanism 50 (seat rotating shaft 51) to the vehicle body floor so as to be slidable in the front-rear direction of the seat. There is.

As shown in FIG. 1, the rotating seat device 1 sets the seating seat 10 with respect to the first seat portion 11 from a normal position in which the first seat portion 11, the second seat portion 12, and the third seat portion 13 are close to each other. The second seat portion 12 and the third seat portion 13 can be switched to rotation positions separated from each other.
Specifically, in the rotary seat device 1, the seat rotation mechanism 50 is unlocked by the occupant operating an operation lever (not shown) in the normal position, and the second seat portion 12 and the third seat portion are released. 13 is in a state where it can rotate freely. Then, when the position is switched to the above-mentioned rotation position, the occupant returns the operation lever to the original position, so that the seat rotation mechanism 50 is relocked.

As shown in FIGS. 1 and 2, the seating seat 10 is mainly composed of a seat body having a seat cushion 10a, a seat back 10b, a headrest 10c, and left and right support legs 10d for supporting the seat body from below. It is configured in, and has three seat portions arranged continuously in the seat width direction.
Further, the seating seat 10 is configured such that the cushion pad 30 is placed on the seat frame 20 which is a skeleton and is covered with the skin 40 from above the cushion pad 30.
More specifically, these seat portions 11, 12, and 13 are configured by placing the pad portions 31, 32, and 33 on the frame portions 21, 22, and 23, which form the skeleton, respectively, and then integrally covering them with a common skin 40. Has been done.

Of the seat frame 20, the frame portion that serves as the skeleton of the seat cushion 10a is formed of three substantially rectangular frame-shaped metal frames as shown in FIG. 3A.
In the front portion of the first frame portion 21, the first frame connecting portions 21a and 21b capable of pivotally supporting the seat rotation shaft 51 at positions corresponding to the left and right end portions of the seat cushion 10a and the left and right end portions of the support leg 10d. Is formed.
Similarly, in the front portion of the second frame portion 22, the second frame connecting portions 22a and 22b are formed at positions corresponding to the left end portion of the seat cushion 10a and the left end portion of the support leg 10d, and the third frame portion 22a and 22b are formed. Third frame connecting portions 23a and 23b are formed in the front portion of the frame portion 23.
With the above configuration, the seat frame 20 is configured as an integral frame by connecting the first frame portion 21 and the second frame portion 22, and the first frame portion 21 and the third frame portion 23, respectively.

The cushion pad 30 is made of a urethane pad member, and as shown in FIG. 2, when the seating seat 10 moves from the normal position to the rotating position, the first pad is between the first pad portion 31 and the second pad portion 32. A gap portion is formed between the portion 31 and the third pad portion 33, and the pad member is divided into three independent pad members.
At this time, in order to fill the gap portion, pad overhanging portions 34 capable of projecting toward the gap portion are provided at both left and right end portions of the first pad portion 31.

The pad overhanging portion 34 is composed of, for example, a portion having a relatively large amount of elastic deformation with respect to a load applied to the pad, and is arranged in a precompressed state inside the seat width direction when the seating seat 10 is in the normal position, and is seated. It is configured to expand outward in the width direction of the seat when the seat moves to the rotational position.
Further, for example, the pad overhanging portion 34 is composed of an automatically inflatable air pad, and is configured to overhang toward the gap portion by inflating the seating seat 10 with air when it moves from the normal position to the unfolding position. You may. In addition, a known configuration may be appropriately adopted.

The skin 40 is made of a known elastic material, and as shown in FIG. 2, the skin 40 integrally covers the three seat portions.
The skin 40 is formed so as to extend following the rotational movements of the second seat portion 12 and the third seat portion 13 when the seating seat 10 moves from the normal position to the rotational position.

As shown in FIGS. 3A and 3B, the seat rotation mechanism 50 includes a seat rotation shaft 51 extending in the vertical direction and a first seat portion 11 (first frame connecting portion) with respect to the seat rotation shaft 51. As shown in FIG. 1, a reclining main body 52 that rotatably connects 21a) and a reclining main body 53 that rotatably connects the second seat portion 12 (second frame connecting portion 22a) to the seat rotating shaft 51. , Which is mainly composed of a guide rail 55 which is mounted on the vehicle body floor and guides the rotational movement of the second seat portion 12.
The seat rotation mechanism 50 between the first seat portion 11 and the third seat portion 13 has the same configuration.

The reclining main body 52 is made of a known member and is arranged at the upper end portion of the seat rotation shaft 51. The first seat portion 11 can be rotatably connected and the first seat portion 11 can be locked at an arbitrary position after rotation. It has a good structure.
The reclining main body 52 is sandwiched and held between the first frame connecting portion 21a and the second frame connecting portion 22a positioned by the two positioning members 54 in the vertical direction.
On the other hand, the reclining main body 53 is arranged at the lower end portion of the seat rotation shaft 51, and has a configuration in which the second seat portion 12 is rotatably connected and the second seat portion 12 can be locked at the position after rotation. ing.
The reclining main body 53 is sandwiched and held between the second frame connecting portion 22a and the first frame connecting portion 21a in the vertical direction.

As shown in FIG. 1, the guide rail 55 is assembled inside the vehicle body floor and is composed of a plurality of rail members extending in a substantially arc shape about the seat rotation shaft 51, and a slider provided at the lower end of the second seat portion 12. 62 and 63 are slidably engaged with each other.

As shown in FIG. 1, the seat slide mechanism 60 connects the seat seat 10 and the seat rotation shaft 51 to the vehicle body floor so as to be slidable in the front-rear direction of the seat.
The seat slide mechanism 60 is mainly composed of a plurality of slide rails 61 which are assembled inside the vehicle body floor and extend in the front-rear direction of the seat, and sliders 62 and 63 provided at the lower end portions of the seating seat 10 at both left and right ends. There is.
The seat slide mechanism 60 further includes a lock member (not shown) capable of fixing the slides 62 and 63 to the slide rail 61 at a predetermined position in the longitudinal direction of the rail.

In the above configuration, the rotating seat device 1 can arbitrarily set the orientation of the seats that are comfortable for the seated persons by the seat rotating mechanism 50, and can lock the seats at the set rotation positions of the seating seats 10.
As a result, it is possible to realize the rotating seat device 1 in which the seated seats 10 can spend time in a comfortable environment by devising the seat arrangement and the seat configuration.

Further, in the above configuration, in the rotating seat device 1, the skin 40 expands and contracts in accordance with the rotational operation of the second seat portion 12 and the third seat portion 13.
Therefore, unlike the conventional case, a gap is not formed between the seat portions 11, 12, and 13, and the skin 40 can always be integrated to form a continuous seating seat 10.

Further, in the above configuration, the rotating seat device 1 can slide the seating seat 10 and the seat rotating shaft 51 in the front-rear direction of the seat by the seat sliding mechanism 60.
Therefore, various seat arrangements are possible. In particular, the seat arrangement and seat configuration will allow passengers to enjoy conversation and at the same time share the scenery seen from one of the car windows.

<Second Embodiment of Rotating Seat Device>
Next, a second embodiment of the rotary seat device will be described with reference to FIG. The description of the contents overlapping with the rotary seat device 1 described above will be omitted.
The rotary seat device 101 of the second embodiment is applied to a rear seat in a small vehicle having two rows of seats in the front-rear direction of the vehicle.

The rotating seat device 101 includes a seating seat 110 having a first seat portion 111 and a second seat portion 112 adjacent to each other in the seat width direction, a seat rotating mechanism 150, and a seat slide mechanism 160.
More specifically, the seat rotation mechanism 150 connects the first seat portion 111 and the second seat portion 112 so as to be relatively rotatable about the seat rotation shaft 151.

The rotating seat device 101 can switch the seating seat 110 from the normal position shown in FIG. 4A to the rotating position shown in FIG. 4B.
More specifically, the rotating seat device 101 sets the angle at which the seated persons face each other to be approximately 120 degrees by the seat rotating mechanism 150, and sets the seating seat 110 at the rotational position of the seating seat 110 set at the angle. It can be locked.
Further, the rotating seat device 101 can slide the seat 110 toward the left and right front seats in front of the seat by the seat slide mechanism 160.

In the above configuration, as shown in FIG. 4B, the left and right front seats can be rotated so as to face the seat 110, and can be slid backward toward the seat 110. it can.
Therefore, by arranging the seating seat 110 and the left and right front seats shown in FIG. 4B, the seated persons can spend time in a more comfortable environment.

Further, in the above configuration, in the rotating seat device 101, when the seating seat 110 moves to the rotating position, the first pad portion 131 and the second pad portion 132 partially come into contact with each other in the front portion of the seat.
At this time, the pad contact portion 135, which is a portion where the pad portions come into contact with each other, is detachably provided. The removed pad contact portion 135 can be attached to the gap portion formed between the first pad portion 131 and the second pad portion 132 from the rear of the seat.
Therefore, the removable pad contact portion 135 can be effectively used to ensure the seating comfort of the seat 110 over the entire surface of the seat.

The pad contact portion 135 may be formed as a detachable pad portion, or may be formed so that the amount of elastic deformation becomes relatively large with respect to the load applied to the cushion pad 130. In this way, even if the pad portions come into contact with each other, the seating seat 110 can be smoothly rotated.
In this case, it is desirable that the bottom surface portion of the seating seat 110 is separately provided with a pad portion that can be attached to the gap portion.

<Third Embodiment of the rotating seat device>
Next, a third embodiment of the rotary seat device will be described with reference to FIG.
The rotating seat device 201 includes a seating seat 210 having a first seat portion 211 and a second seat portion 212 adjacent to each other in the seat width direction, and a seat rotating mechanism 250.

The rotating seat device 201 can switch the seating seat 210 from the normal position shown in FIG. 5A to the rotating position shown in FIG. 5B.
More specifically, the rotating seat device 201 rotates the second seat portion 212 to a predetermined angle with respect to the first seat portion 211 by the seat rotating mechanism 250, and slides slightly forward of the seat toward the front seat. It is possible to switch to the set position.

Further, as shown in FIG. 4B, the front seats corresponding to the driver's seats can be rotated so as to face the seating seat 110, and are slid backward toward the seating seat 210. It can be moved to a position.
Further, the front seat corresponding to the passenger seat can be used as a table by folding the seat back.
Therefore, by arranging the seating seat 210 and the left and right front seats, the seated persons can spend time in a more comfortable environment.

<Fourth Embodiment of the rotating seat device>
Next, a fourth embodiment of the rotary seat device will be described with reference to FIGS. 6 and 7.
The rotating seat device 301 includes a seating seat 310 having a first seat portion 311 and a second seat portion 312 adjacent to each other in the seat width direction, and a seat rotating mechanism 350 (seat rotating shaft 351).
Further, an outer overhanging portion 351a is provided at the upper end portion of the seat rotating shaft 351 so as to project outward from the seat rotating shaft 351 in a direction orthogonal to the axial direction. The outer overhanging portion 351a has a substantially rectangular shape and can be used as, for example, a table.

Of the seat frame 320, the frame portion that serves as the skeleton of the seat cushion is formed as two substantially rectangular frame-shaped frames as shown in FIG. 6 (b).
At the right end position of the first frame portion 321, a first frame connecting portion 321a capable of axially supporting the seat rotation shaft 351 is formed in the front portion, the substantially central portion, and the rear portion, respectively.
Similarly, three second frame connecting portions 322a are formed in the second frame portion 322.
The seat rotation shaft 351 is pivotally supported by any one selected from the three frame connecting portions 321a (322a).

For example, when the seat rotation shaft 351 is pivotally supported by the frame connecting portion 321a (322a) in the front portion of the seat, the seat arrangement as shown in FIG. 7A becomes possible.
Further, for example, when the seat rotation shaft 351 is pivotally supported by the frame connecting portion 321a (322a) in the rear portion of the seat, the seat arrangement as shown in FIG. 7B becomes possible.

<Other Embodiments>
In the above embodiment, as shown in FIG. 2, the skin 40 has elasticity and is configured to extend and contractably according to the rotational movements of the second seat portion 12 and the third seat portion 13. , Can be changed without particular limitation.
For example, the skin 40 is pre-folded in a bellows shape between the three seat portions 11, 12, and 13 when the seating seat 10 is in the normal position, and is deployed as the seating seat 10 rotates. It may be configured as follows. In addition, a known configuration may be appropriately adopted.

Further, in the above embodiment, as shown in FIG. 2, the skin 40 integrally covers the three seat portions 11, 12, and 13, but the seating seat 10 is moved to the rotation position without particular limitation. When moved, a gap portion may be formed between the three sheets and divided into three independent skin portions.

Further, in the above embodiment, as shown in FIG. 1, the seat slide mechanism 60 connects the seat seat 10 and the seat rotation mechanism 50 to the vehicle body floor so as to be slidable in the front-rear direction, but is particularly limited. It may be connected so as to be slidable in the left-right direction without the need for it.
That is, the slide rail 61 may extend in the left-right direction of the seat and be assembled inside the vehicle body floor.
In this way, a wider variety of seat arrangements for the seat 110 can be made.

In each of the above embodiments, the rotating seat device used in an automobile has been described as a specific example, but the rotating seat device for vehicles used in trains, buses, etc., as well as in airplanes, ships, etc., is not particularly limited. It can also be used as a vehicle seat device.
In addition to vehicle seat devices, it can be used as a rotating seat device widely used indoors or outdoors in commercial facilities such as movie theaters and planetariums, and public facilities such as hospital waiting rooms.

In the present embodiment, the rotary seat device according to the present invention has been mainly described.
However, the above-described embodiment is merely an example for facilitating the understanding of the present invention, and does not limit the present invention. The present invention can be modified and improved without departing from the spirit thereof, and it goes without saying that the present invention includes an equivalent thereof.

1,101,201,301 Rotating seat device 10,110,210,310 Seating seat 10a Seat cushion 10b Seatback 10c Headrest 10d Support legs 11,111,211,311 1st seat part 12,112,212,312 2nd Seat 13 3rd seat 20,320 Seat frame 21,321 1st frame 21a, 21b, 321a 1st frame connecting 22,322 2nd frame 22a, 22b, 322a 2nd frame connecting 23 3rd frame Part 23a, 23b Third frame connecting part 30, 130 Cushion pad 31, 131 First pad part 31a First pad overhanging part 32, 132 Second pad part 32a Second pad overhanging part 33 Third pad part 34 Pad overhanging part 135 Pad contact part 40 Skin 50, 150, 250, 350 Seat rotation mechanism 51, 151, 251, 351 Seat rotation shaft 351a Outer overhang 52, 53 Reclining body 54 Positioning member 55 Guide rail 60, 160, 260, 360 Seat slide mechanism 61 Slide rail 62,63 Slider

Claims (11)

A seating seat that is arranged adjacent to each other in the seat width direction and has a first seat portion and a second seat portion that can be seated.
The second seat portion is provided between the first seat portion and the second seat portion, and the second seat portion is rotatably connected to the first seat portion in the directions of approaching and separating from each other, and the second seat portion is rotated. Equipped with a seat rotation mechanism that can be locked at the rear position,
The seat rotation mechanism has a seat rotation shaft that extends in the vertical direction and rotatably connects the second seat portion to the first seat portion.
Further provided with a seat slide mechanism for connecting the seat and the seat rotation axis to the floor so as to be slidable in the front-rear direction of the seat.
The seat slide mechanism has a slide rail extending in the front-rear direction of the seat.
A rotating seat device characterized in that the seat rotating shaft is arranged directly above the slide rail. The rotating seat device according to claim 1, wherein the seat rotating shaft is connected to the slide rail so as to be slidable. The seat rotation axis is arranged on a side portion of the second seat portion on the side of the first seat portion in the seat width direction.
A slider provided at the lower end portion of the second seat portion and supporting the seating seat from below is provided on the side portion of the second seat portion on the side opposite to the first seat portion side. The rotating seat device according to claim 1 or 2. The rotating seat device according to claim 3, wherein the slider is arranged behind the seat with respect to the seat rotating shaft. The seating seat has a first frame portion that serves as a skeleton of the first seat portion and a second frame portion that serves as a skeleton of the second seat portion.
The rotating seat device according to any one of claims 1 to 4, wherein the seat rotating mechanism connects the first frame portion and the second frame portion. The seating seat covers both the first pad portion provided by the first seat portion, the second pad portion provided by the second seat portion, the first pad portion, and the second pad portion. The rotating seat device according to any one of claims 1 to 5, further comprising a skin that extends following the rotational movement of the second seat portion. At least one of the first pad portion provided by the first sheet portion and the second pad portion provided by the second seat portion is the first pad portion when the second seat portion moves to a predetermined rotation position. Claims 1 to 6 include a pad overhanging portion that can overhang toward the gap portion in order to fill a gap portion formed between the first pad portion and the second pad portion. The rotary seat device according to any one of the above. In at least one of the first pad portion and the second pad portion, the pad contact portion where the first pad portion and the second pad portion come into contact when the second sheet portion moves to a predetermined rotation position is , the amount of deformation relative to the load applied to the pad than the portion other than the pad contacting portion rather large,
The pad contact portion is detachably provided on one of the first pad portion and the second pad portion .
The rotating seat device according to claim 6 or 7 , wherein the pad contact portion can be attached to the gap portion formed between the first pad portion and the second pad portion. The rotating seat device according to any one of claims 1 to 8, wherein the seat rotating shaft rotatably connects the first seat portion to the second seat portion. One of claims 1 to 9 , wherein an outer overhanging portion is provided on the upper portion of the seat rotating shaft in a direction intersecting the axial direction from the seat rotating shaft. The rotating seat device according to. The first frame portion and the second frame portion include frame connecting portions capable of pivotally supporting the seat rotation axis at at least two or more of the seat front portion, the seat substantially central portion, and the seat rear portion, respectively. Provided,
The rotating seat device according to claim 5 , wherein the seat rotating shaft is pivotally supported by one selected from the plurality of frame connecting portions.

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