CN110884400A - Seat cushion of vehicle seat, vehicle seat and vehicle - Google Patents

Abstract

The present disclosure relates to a seat cushion of a vehicle seat, the vehicle seat and a vehicle, the seat cushion of the vehicle seat includes a seat cushion body (1) and two side wings (2), the two side wings (2) are respectively located at the left and right sides of the seat cushion body (1), the side wings (2) can horizontally move relative to the seat cushion body (1), so that the distance between the two side wings (2) is adjustable. Through above-mentioned technical scheme, because two flanks of seatpad can be for seatpad body horizontal migration, when the passenger of different sizes sat on the seatpad, the accessible makes two flanks towards the direction that is close to the seatpad body or keeps away from the width that the seatpad body was adjusted to the direction horizontal migration, distance and passenger's size looks adaptation between the messenger two flanks, avoid the flank can not restrict well and wrap up the condition emergence of passenger, thereby improve the travelling comfort of seatpad and seat, promote passenger's the comfort of taking.

Description

Seat cushion of vehicle seat, vehicle seat and vehicle

Technical Field

The present disclosure relates to the field of vehicle manufacturing, and in particular, to a seat cushion of a vehicle seat, a vehicle seat using the seat cushion, and a vehicle using the vehicle seat.

Background

Currently, a vehicle seat generally comprises a seat cushion and a backrest, both of which are of an integral structure, the backrest can rotate relative to the seat cushion to adjust an included angle formed between the backrest and the seat cushion, and the seat as a whole can also move forwards or backwards, so as to meet different requirements of different passengers on the comfort level of the seat.

However, since the conventional seat cushion is a one-piece seat, i.e., the width of the seat cushion cannot be adjusted, when a thin person sits on the seat, the side wings of the seat cushion cannot support and restrict the person well, i.e., there is a gap between the side wings of the seat cushion and the legs of the person, and when the vehicle turns, the person is liable to sway left and right; when a fatter person sits on the seat, the side wings of the seat cushion may cause a crowding feeling to the person, or the side wings of the seat cannot wrap the person at all, thereby causing a reduction in the comfort and safety of the vehicle seat.

Disclosure of Invention

The purpose of this disclosure is to provide a vehicle seat's seatpad, use vehicle seat of this seatpad and use vehicle of this vehicle seat, and vehicle seat's seatpad can be adjusted according to passenger's size to make the seatpad can adapt to the passenger of different sizes, promote the travelling comfort of seatpad.

In order to achieve the above object, the present disclosure provides a seat cushion of a vehicle seat, including a seat cushion body and two side wings, the two side wings are respectively located at left and right sides of the seat cushion body, and the side wings can horizontally move relative to the seat cushion body, so that a distance between the two side wings is adjustable.

Optionally, the seat cushion of the vehicle seat further comprises a driving device for driving the two side wings to move synchronously.

Optionally, the seat cushion of the vehicle seat further includes a scissor mechanism, the scissor mechanism includes two support plates and a scissor arm connected between the two support plates, the two support plates are respectively mounted on the two side wings, and the driving device is configured to drive the scissor mechanism to open and close.

Optionally, it includes first scissors yoke and second scissors yoke of mutual articulated to cut the yoke, the both ends of first scissors yoke are provided with first gyro wheel respectively, the both ends of second scissors yoke are provided with the second gyro wheel respectively, first guide slot and second guide slot have been seted up in the backup pad, first guide slot and second guide slot are followed the length direction interval of backup pad sets up, inlay to establish first gyro wheel slidable in the first guide slot, inlay to establish second gyro wheel slidable in the second guide slot.

Optionally, be formed with first arc pinion rack on the first scissors fork arm, be formed with second arc pinion rack on the second scissors fork arm, first arc pinion rack and second arc pinion rack set up relatively and are located first scissors fork arm with between the second scissors fork arm, drive arrangement is the motor, the motor is installed on the seatpad body, be provided with the gear on the output shaft of motor, the gear with first arc pinion rack and the meshing of second arc pinion rack.

Optionally, the seatpad of vehicle seat still includes the crossbeam that is used for supporting the seatpad body, the crossbeam fastening is in on the seatpad body, the both ends of crossbeam are followed the seatpad body is towards keeping away from the direction of seatpad body extends and forms the bulge, the spout has been seted up on the bulge, install the slider on two flanks respectively, the slider inlays to be established in the spout.

Optionally, the cross beam includes a front cross beam and a rear cross beam which are parallel to each other and arranged at an interval, the front ends of the two side wings are in sliding fit with the front cross beam, and the rear ends of the two side wings are in sliding fit with the rear cross beam.

Optionally, the seat cushion of the vehicle seat further comprises an elastic drawstring, the elastic drawstring is located at a parting position between the side wing and the seat cushion body, one side of the elastic drawstring is connected with the side wing sleeve on the side wing, and the other side of the elastic drawstring is connected with the seat cushion body sleeve on the seat cushion body.

Through the technical scheme, in this disclosure, because two flanks of seatpad can be for seatpad body horizontal migration, when the passenger of different sizes sat to the seatpad on, the accessible makes two flanks towards the direction that is close to the seatpad body or keeps away from the width that the seatpad body was adjusted to the direction horizontal migration of seatpad body, make distance between two flanks and passenger's size looks adaptation, avoid the flank can not restrict well and wrap up the condition of passenger and take place, thereby improve the travelling comfort of seatpad and seat, promote passenger's the comfort of taking. According to another aspect of the present disclosure, there is provided a vehicle seat including a seat cushion of the vehicle seat and a seatback.

According to yet another aspect of the present disclosure, a vehicle is provided that includes the vehicle seat described above.

Additional features and advantages of the disclosure will be set forth in the detailed description which follows.

Drawings

The accompanying drawings, which are included to provide a further understanding of the disclosure and are incorporated in and constitute a part of this specification, illustrate embodiments of the disclosure and together with the description serve to explain the disclosure without limiting the disclosure. In the drawings:

fig. 1 is a bottom view of a seat cushion of a vehicle seat provided by an exemplary embodiment of the present disclosure;

fig. 2 is a perspective view of a seat cushion of a vehicle seat provided in an exemplary embodiment of the present disclosure;

FIG. 3 is a schematic view of the assembly of a cross arm and a support plate provided in an exemplary embodiment of the present disclosure;

FIG. 4 is a schematic view of the assembly of side wings with front and rear cross members provided by an exemplary embodiment of the present disclosure;

FIG. 5 is a schematic view of the attachment of the elastic pull straps to the seat cushion body cover and the side flap cover provided by the exemplary embodiment of the present disclosure;

FIG. 6 is a schematic side view of an elastic pull strap provided in accordance with an exemplary embodiment of the present disclosure, wherein solid lines indicate that the two side wings are positioned adjacent to the seat cushion body and the pull strap is in a relaxed state; the dotted lines indicate that the two side wings are positioned away from the seat cushion body, and the drawstring is in a tensioned state;

fig. 7 is a schematic perspective view of a vehicle seat provided in an exemplary embodiment of the present disclosure, in which two side wings are located near a seat cushion body, and a seat cushion width of the vehicle seat is narrow;

fig. 8 is a schematic perspective view of a vehicle seat provided in an exemplary embodiment of the present disclosure, in which two side wings are located away from a seat cushion body, and a seat cushion width of the vehicle seat is wide.

Description of the reference numerals

1 seat cushion body 11 seat cushion body sleeve

2 side wing 21 side wing sleeve

3 support plate 31 first guide groove

32 second guide groove 4 scissor arm

41 first scissor arm 42 second scissor arm

43 first roller 44 second roller

45 first arc toothed plate 46 second arc toothed plate

5 Motor 51 Gear

61 front beam 62 rear beam

71 chute 72 slide block

8 elastic drawstring 9 backrest

100 vehicle seat

Detailed Description

The following detailed description of specific embodiments of the present disclosure is provided in connection with the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present disclosure, are given by way of illustration and explanation only, not limitation.

In the present disclosure, unless otherwise specified, the terms of orientation such as "left, right, front, and rear" are generally used to refer to the left, right, front, and rear of the vehicle itself, specifically, the direction toward the left wheel is "left", the direction toward the right wheel is "right", the direction toward the head is "front", and the direction toward the tail is "rear".

As shown in fig. 1 to 8, the present disclosure provides a seat cushion of a vehicle seat, which includes a cushion body 1 and two side wings 2, the two side wings 2 being respectively located at left and right sides of the cushion body 1, the side wings 2 being horizontally movable with respect to the cushion body 1 so that a distance between the two side wings 2 can be adjusted. That is, the side wings 2 can be horizontally moved toward the direction approaching the seat cushion body 1 or away from the seat cushion body 1, thereby changing the width of the seat cushion and making the width of the seat cushion adjustable.

Through the technical scheme, in this disclosure, because two flanks 2 of seatpad can be for seatpad body 1 horizontal migration, when the passenger of different sizes sits the seatpad on, the accessible makes two flanks 2 orientation be close to the direction of seatpad body 1 or keep away from the width that the seatpad body 1 was adjusted to the direction horizontal migration, make distance between two flanks 2 and passenger's size looks adaptation, avoid flank 2 can not restrict well and wrap up the condition emergence of passenger, thereby improve the travelling comfort of seatpad and seat, promote passenger's the comfort of taking.

Further, in order to facilitate the horizontal movement of the two side wings 2 with respect to the seat cushion body 1, the seat cushion of the vehicle seat further includes a driving device for driving the two side wings 2 to move synchronously. In other words, the drive device may horizontally move both the wings 2 together in a direction away from the seat cushion body 1 to increase the width of the seat cushion, or horizontally move both the wings 2 together in a direction closer to the seat cushion body 1 to decrease the width of the seat cushion.

The driving means may drive the side wings 2 to move simultaneously through various embodiments, for example, in an exemplary embodiment provided in the present disclosure, as shown in fig. 1 and 2, the seat cushion of the vehicle seat further includes a scissors mechanism, which may include two support plates 3 and a scissors arm 4 connected between the two support plates 3, the two support plates 3 being mounted on the two side wings 2 and extending in a length direction of the side wings 2 (i.e., extending in a front-rear direction of the vehicle), and both ends of the scissors arm 4 being slidably connected to the respective support plates 3, respectively. The driving device is used for driving the scissor mechanism to open and close, and when the driving device drives the scissor mechanism to close, the scissor mechanism pushes the two side wings 2 to simultaneously move towards the direction far away from the seat cushion body 1, so that the distance between the two side wings 2 is increased, and the width of the seat cushion is widened; when the driving device drives the scissors mechanism to separate, the scissors mechanism drives the two side wings 2 to move towards the direction close to the seat cushion body 1 simultaneously, so that the distance between the two side wings 2 is reduced, and the width of the seat cushion is reduced. In other embodiments, the two side wings can also be driven to move by two first and second parallel racks and a gear, for example, one end of the first rack is connected with one side wing, the other end is meshed with the gear, one end of the second rack is connected with the other side wing, the other end is meshed with the gear, and the first rack and the second rack are moved relatively or oppositely by the rotation of the gear, so that the two side wings are close to or far away from each other. The gear may be mounted on an output shaft of the motor, and the gear is driven to rotate clockwise or counterclockwise by the output shaft of the motor.

Further, as shown in fig. 1 to 3, the scissor arm 4 includes a first scissor arm 41 and a second scissor arm 42 hinged to each other, two ends of the first scissor arm 41 are respectively provided with a first roller 43, two ends of the second scissor arm 42 are respectively provided with a second roller 44, the support plate 3 is provided with a first guide slot 31 and a second guide slot 32, the first guide slot 31 and the second guide slot 32 are arranged at intervals along the length direction of the support plate 3, the first roller 43 is slidably embedded in the first guide slot 31, the second roller 44 is slidably embedded in the second guide slot 32, front and rear ends of the first scissor arm 41 can move along the length direction of the side wing 2 through the first roller 43, and front and rear ends of the second scissor arm 42 can move along the length direction of the side wing 2 through the second roller 44. The driving device is used for driving the first scissor arm 41 and the second scissor arm 42 to open and close, namely, driving the first scissor arm 41 and the second scissor arm 42 to move relatively to close or move relatively to separate.

When the first scissor arm 41 and the second scissor arm 42 are closed, the first scissor arm 41 and the second scissor arm 42 are close to each other, so that the lengths in the horizontal direction (left-right direction) of the first scissor arm 41 and the second scissor arm 42 are gradually increased, and the first roller 43 and the second roller 44 apply an acting force to the support plate 3 to move the support plate in a direction away from the seat cushion body 1 while sliding along the first guide groove 31 and the second guide groove 32, so that the two side wings 2 are away from the seat cushion body 1 through the support plate 3 to increase the width of the seat cushion; when the first scissor arm 41 and the second scissor arm 42 are separated, the lengths of the first scissor arm 41 and the second scissor arm 42 in the horizontal direction (left-right direction) are gradually reduced, so that the first roller 43 and the second roller 44 apply a force to the support plate 3 to move toward the direction close to the seat cushion body 1 while sliding along the first guide groove 31 and the second guide groove 32, and thus the two side wings 2 are close to the seat cushion body 1 through the support plate 3 to reduce the width of the seat cushion, thereby realizing the width adjustability of the seat cushion.

Further, the moving distance of the two side wings 2, i.e., the adjustable distance between the two side wings 2, can be controlled by setting the lengths of the first guide groove 31 and the second guide groove 32. For example, when the left end of the first scissor arm 41 abuts against the front end of the first guide slot 31 located on the left side of the seat cushion body 1, the right end abuts against the rear end of the first guide slot 31 located on the right side of the seat cushion body 1, the left end of the second scissor arm 42 abuts against the rear end of the second guide slot 32 located on the left side of the seat cushion body 1, and the right end abuts against the front end of the second guide slot 32 located on the right side of the seat cushion body 1, the scissor mechanism is in the maximum opening position, and at this time, the distance between the two side wings 2 corresponds to the minimum width of the seat cushion (as shown in fig. 7); when the left end of the first scissor arm 41 abuts against the rear end of the first guide groove 31 located on the left side of the seat cushion body 1, the right end abuts against the front end of the first guide groove 31 located on the right side of the seat cushion body 1, the left end of the second scissor arm 42 abuts against the front end of the second guide groove 32 located on the left side of the seat cushion body 1, and the right end abuts against the rear end of the second guide groove 32 located on the right side of the seat cushion body 1, the scissor mechanism is in the maximum closed position, and at this time, the distance between the two side wings 2 corresponds to the maximum width of the seat cushion (as shown in fig. 8). That is, the lengths of the first guide groove 31 and the second guide groove 32 can be set, so that the front ends and the rear ends of the first guide groove 31 and the second guide groove 32 can play a role in limiting during the opening and closing of the scissors mechanism.

In order to allow the two lateral wings 2 located on the left and right sides of the seat cushion body 1 to move the same distance at the same time, that is, the lateral wing 2 located on the left side of the seat cushion body 1 moves the same distance as the lateral wing 2 located on the right side of the seat cushion body 1, the hinge point of the first scissor arm 41 and the second scissor arm 42 may be located in the middle of the first scissor arm 41 and the second scissor arm 42, and the hinge point of the first scissor arm 41 and the second scissor arm 42 is hinged to the bottom of the seat cushion body 1. Since the seat cushion is typically made of a flexible material, such as foam, the bottom of the seat cushion is typically provided with a seat pan for supporting the seat cushion, and the scissors mechanism and the support plate 3 may be mounted on the seat pan to improve the strength of the mounting points of the scissors mechanism and the support plate 3. In addition, the first roller 43 and the second roller 44 may be respectively formed with a first limit flange and a second limit flange, so that the support plate 3 can be clamped between the first limit flange and the first scissor arm 41 and between the second limit flange and the second scissor arm 42, thereby making the connection between the first scissor arm 41 and the second scissor arm 42 and the support plate 3 more stable and reliable, and preventing the first scissor arm 41 and the second scissor arm 42 from moving up and down and mechanically interfering with the support plate 3 to generate abnormal sound in the moving process.

In addition, in order to drive the scissors mechanism to open and close through the driving device, in one embodiment provided by the disclosure, as shown in fig. 1 and 2, a first arc-shaped toothed plate 45 is formed on the first scissor arm 41, a second arc-shaped toothed plate 46 is formed on the second scissor arm 42, the first arc-shaped toothed plate 45 and the second arc-shaped toothed plate 46 are oppositely arranged and are located between the first scissor arm 41 and the second scissor arm 42, the driving device is a motor 5, a gear 51 is arranged on an output shaft of the motor 5, the gear 51 can rotate counterclockwise or clockwise along with the output shaft of the motor 5, the gear 51 is engaged with the first arc-shaped toothed plate 45 and the second arc-shaped toothed plate 46, and by the clockwise or counterclockwise rotation of the gear 51, the first and second arcuate toothed plates 45 and 46 can be moved toward or away from each other to drive the opening or closing of the first and second scissor arms 41 and 42. The motor 5 may be mounted on the seat cushion body 1, for example, at the bottom of the seat cushion body 1 through a mounting bracket, so that when the seat as a whole moves forward or backward, the motor 5 may move forward or backward together with the seat cushion, and thus the motor 5 may drive the scissors mechanism to open and close regardless of the position of the seat cushion and the seat in the vehicle body, thereby adjusting the width of the seat cushion.

In other embodiments, the driving device may also be a hydraulic cylinder, the hydraulic cylinder is located between the first scissor arm and the second scissor arm, one end of the hydraulic cylinder is connected with the first scissor arm, and the other end of the hydraulic cylinder is connected with the second scissor arm, so that the first scissor arm and the second scissor arm are opened and closed by the expansion of the telescopic arm of the hydraulic cylinder. Alternatively, the drive device may also be a linear motor, by means of which the first and second scissor arms are directly moved linearly.

In addition, in order to enable the two side wings 2 to stably move horizontally relative to the seat cushion body 1, the seat cushion of the vehicle seat further comprises a cross beam for supporting the seat cushion body 1, as shown in fig. 1, fig. 2 and fig. 4, the cross beam is fastened on the seat cushion body 1, for example, fastened on the bottom of the seat cushion body 1 through a fastening member, two ends of the cross beam extend from the seat cushion body 1 in a direction away from the seat cushion body 1 to form a protruding portion, a sliding groove 71 is opened on the protruding portion, a sliding block 72 is respectively installed on the two side wings 2, and the sliding block 72 is embedded in the sliding groove 71, so that when the driving device drives the two side wings 2 to move, the sliding block 72 can move along the sliding groove 71, and therefore, the moving and adjusting processes.

The cross member may be located at any position of the seat cushion body 1. In one embodiment provided by the present disclosure, as shown in fig. 1, 2, and 4, the cross beam includes a front cross beam 61 and a rear cross beam 62 that are parallel to each other and spaced apart from each other, the front ends of the two side wings 2 are slidably engaged with the front cross beam 61, and the rear ends of the two side wings 2 are slidably engaged with the rear cross beam 62. That is, the front end and the rear end of the side wing 2 are both provided with the sliding block 72 and the corresponding sliding groove 71, so as to ensure that the side wing 2 can always keep moving in a horizontal line in the moving process without the phenomena of oblique movement and the like, thereby improving the moving stability of the side wing 2. The first scissor arm 41, the second scissor arm 42, the motor 5 and the support plate 3 may be disposed between the front beam 61 and the rear beam 62 to avoid mechanical interference between the opening and closing of the first scissor arm 41 and the second scissor arm 42 and the beams.

Usually, a cushion cover for wrapping the cushion is arranged outside the cushion to improve the aesthetic degree and comfort of the cushion. In the present disclosure, since the two side wings 2 of the seat cushion are movably disposed, in order to prevent the cushion cover wrapping the seat cushion from being loosened and bulging during the movement of the side wings 2, thereby affecting the aesthetic appearance of the seat cushion, in the present disclosure, as shown in fig. 5 and 6, the seat cushion of the vehicle seat further includes an elastic pulling belt 8, the elastic pulling belt 8 is located at the parting seam between the side wings 2 and the seat cushion body 1, that is, the projection of the elastic pulling belt 8 on the seat cushion is located at the gap between the seat cushion body 1 and the side wings 2, one side of the elastic pulling belt 8 is connected with the side wing sleeve 21 on the side wings 2, and the other side is connected with the seat cushion body sleeve 11 on the seat cushion body 1, that is, the seat cushion body sleeve 11 and the side wing sleeve 21 are connected into a whole through the elastic pulling belt. Since the elastic pulling tape 8 is tensioned at the parting between the side wings 2 and the seat cushion body 1, when the two side wings 2 move away from the seat cushion body 1, the elastic pulling tape 8 is tensioned, as shown by the dotted line in fig. 6; when the two side wings 2 are moved toward the direction approaching the seat cushion body 1, the elastic pulling strip 8 is in a relaxed state, as shown by the solid line in fig. 6, and the elastic pulling strip 8 can be retracted into the seam between the side wings 2 and the seat cushion body 1. That is, during the movement of the two side wings 2, the elastic drawstrings 8 can keep and wrap the seat cushion body cover 11 and the side wing cover 21 on the seat body and the side wings 2 all the time, thereby improving the comfort and beauty of the seat cushion.

According to another aspect of the present disclosure, as shown in fig. 7 and 8, there is provided a vehicle seat 100, the vehicle seat 100 including the backrest 9 and the seat cushion described above.

According to yet another aspect of the present disclosure, a vehicle is provided that includes the vehicle seat 100 described above.

The preferred embodiments of the present disclosure are described in detail with reference to the accompanying drawings, however, the present disclosure is not limited to the specific details of the above embodiments, and various simple modifications may be made to the technical solution of the present disclosure within the technical idea of the present disclosure, and these simple modifications all belong to the protection scope of the present disclosure. It should be noted that, in the foregoing embodiments, various features described in the above embodiments may be combined in any suitable manner, and in order to avoid unnecessary repetition, various combinations that are possible in the present disclosure are not described again.

In addition, any combination of various embodiments of the present disclosure may be made, and the same should be considered as the disclosure of the present disclosure, as long as it does not depart from the spirit of the present disclosure.

Claims (10)

1. The seat cushion of the vehicle seat is characterized by comprising a seat cushion body (1) and two side wings (2), wherein the two side wings (2) are respectively positioned at the left side and the right side of the seat cushion body (1), and the side wings (2) can horizontally move relative to the seat cushion body (1) so that the distance between the two side wings (2) can be adjusted.

2. The seat cushion of a vehicle seat according to claim 1, characterized in that the seat cushion of a vehicle seat further comprises a drive device for driving the two side wings (2) to move synchronously.

3. The seat cushion of the vehicle seat according to claim 2, further comprising a scissors mechanism, wherein the scissors mechanism comprises two support plates (3) and a scissors arm (4) connected between the two support plates (3), the two support plates (3) are respectively mounted on the two side wings (2), and the driving device is used for driving the scissors mechanism to open and close.

4. The seat cushion of the vehicle seat according to claim 3, wherein the scissor arm (4) comprises a first scissor arm (41) and a second scissor arm (42) which are hinged to each other, a first roller (43) is respectively arranged at two ends of the first scissor arm (4), a second roller (44) is respectively arranged at two ends of the second scissor arm (42), a first guide groove (31) and a second guide groove (32) are formed in the support plate (3), the first guide groove (31) and the second guide groove (32) are arranged at intervals along the length direction of the support plate (3), the first roller (43) is slidably embedded in the first guide groove (31), and the second roller (44) is slidably embedded in the second guide groove (32).

5. The seat cushion of the vehicle seat according to claim 4, wherein a first arc-shaped toothed plate (45) is formed on the first scissor arm (4), a second arc-shaped toothed plate (46) is formed on the second scissor arm (42), the first arc-shaped toothed plate (45) and the second arc-shaped toothed plate (46) are oppositely arranged and located between the first scissor arm (4) and the second scissor arm (42), the driving device is a motor (5), the motor (5) is installed on the seat cushion body (1), a gear (51) is arranged on an output shaft of the motor (5), and the gear (51) is engaged with the first arc-shaped toothed plate (45) and the second arc-shaped toothed plate (46).

6. The seat cushion of the vehicle seat according to claim 1, further comprising a cross beam for supporting the seat cushion body (1), wherein the cross beam is fastened on the seat cushion body (1), two ends of the cross beam extend from the seat cushion body (1) towards a direction away from the seat cushion body (1) to form a protruding portion, the protruding portion is opened with a sliding groove (71), the two side wings (2) are respectively provided with a sliding block (72), and the sliding block (72) is embedded in the sliding groove (71).

7. The seat cushion of the vehicle seat according to claim 6, wherein the cross member comprises a front cross member (61) and a rear cross member (62) which are parallel to each other and spaced apart from each other, wherein the front ends of the two side wings (2) are slidably engaged with the front cross member (61), and the rear ends of the two side wings (2) are slidably engaged with the rear cross member (62).

8. The seat cushion of the vehicle seat according to any one of claims 1 to 7, further comprising an elastic drawstring (8) located at a split between the side wing (2) and the seat cushion body (1), one side of the elastic drawstring being connected to a side wing sleeve (21) on the side wing (2) and the other side being connected to a seat cushion body sleeve (11) on the seat cushion body (1).

9. A vehicle seat, characterized in that it comprises a backrest (9) and a seat cushion of a vehicle seat according to any one of claims 1-8.

10. A vehicle, characterized by comprising a vehicle seat (100) according to claim 9.

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