CN117022066A - Seat of vehicle and vehicle - Google Patents

Abstract

The application provides a vehicle seat and a vehicle, and relates to the technical field of vehicle seats. The sliding rail is arranged on the floor of the vehicle. The first connecting piece is slidably arranged at the sliding rail, and the second connecting piece is slidably arranged at the sliding rail and is positioned at one side of the first connecting piece, which is close to the rear of the vehicle. The seat cushion and the backrest are rotatably connected with the first connecting piece and the second connecting piece respectively. The seat cushion and the backrest are arranged to rotate about the first link and the second link, respectively, and combine the positions of the first link and the second link on the track, thereby enabling the seat to be switched between a plurality of seat modes. The cushion and the backrest of the seat in the technical scheme can slide along the sliding rail through the first connecting piece and the second connecting piece respectively and can rotate relative to the first connecting piece and the second connecting piece respectively, so that the seat can be switched among various seat modes, the seat can adapt to various scenes, and the diversified demands of users are met.

Description

Seat of vehicle and vehicle

Technical Field

The application relates to the technical field of vehicle seats, in particular to a vehicle seat and a vehicle.

Background

At present, a seat cushion and a backrest of an automobile seat are integrated, and the seat cushion and the backrest cannot be separated. The automobile seat occupies more than 60% of the space of the cabin, and the current whole automobile factory puts more demands on the deformation of the automobile seat in order to utilize the space in the automobile to a greater extent. In general, the rearmost seats cannot be moved forward and backward or by a small amount, typically within 200mm, resulting in poor ride comfort for the rear row. Generally, the backrest can be put forward and be connected with the trunk to form a larger carrying space, but to realize the backrest can be put completely, the inclination angle of the cushion is required to be small, and is generally within 12 degrees, and the small inclination angle of the cushion can cause poor riding comfort. And the adjustable range of the seat is limited, so that the seat has limited functions and cannot meet the diversified demands of users.

Disclosure of Invention

An object of the first aspect of the present application is to provide a vehicle seat, which solves the technical problem that the prior art vehicle seat cannot meet the diversified demands of users.

Another object of the first aspect of the application is to improve user comfort.

It is an object of a second aspect of the present application to provide a vehicle having a seat.

According to an object of a first aspect of the present application, there is provided a seat for a vehicle comprising:

a slide rail installed on a floor of the vehicle and extending in a front-rear direction of the vehicle;

the first connecting piece is slidably arranged at the sliding rail;

the second connecting piece is slidably arranged at the sliding rail and is positioned at one side of the first connecting piece, which is close to the rear of the vehicle;

the cushion and the backrest are respectively and rotatably connected with the first connecting piece and the second connecting piece;

the seat cushion and the backrest are arranged to rotate about the first link and the second link, respectively, and combine the positions of the first link and the second link on the slide rail, thereby enabling the seat to switch between a plurality of seat modes.

Optionally, the seat cushion has a first end rotatably connected to the first link and a second end disposed opposite the first end, and the backrest has a third end rotatably connected to the second link and a fourth end disposed opposite the third end;

the seat cushion has a first position with the second end forward of and higher than the first end, the back rest has a second position with the fourth end rearward of and higher than the third end, and the seat is configured to be in a first seat mode when the seat cushion is in the first position, the back rest is in the second position, and the first and second links are proximate.

Optionally, the seat cushion further has a third position where the second end is located in front of and higher than the first end, and the seat is further disposed in a second seat mode when the seat cushion is located in the third position, the backrest is located in a horizontal position parallel to the slide rail, and the first connecting member is close to the second connecting member.

Optionally, the second end of the seat cushion is lower in height when in the first position than when in the second position.

Optionally, the seat is further configured to be in a third seat mode when the seat cushion and the backrest are both in a horizontal position parallel to the slide rail, a first preset distance exists between the first connecting piece and the second connecting piece, and the third end and the fourth end are located at the front end and the rear end of the seat, respectively.

Optionally, the seat is further arranged to be in a fourth seat mode when both the seat cushion and the backrest are in the horizontal position and the first end abuts the third end;

optionally, the seat is further arranged to be in a fifth seat mode when both the seat cushion and the backrest are in the horizontal position and the second end and the fourth end are in abutment.

Optionally, the seat is further arranged to be in a sixth seat mode when the seat cushion and the backrest are both in the horizontal position, the first and second connectors are separated, and the seat cushion and the backrest are facing the same.

Optionally, the seat is further arranged to be in a seventh seat mode when both the seat cushion and the backrest are in a vertical position perpendicular to the track and adjacent;

optionally, the seat is further arranged to be in an eighth seat mode when both the seat cushion and the backrest are in the upright position and are spaced a second predetermined distance apart.

Optionally, the method further comprises:

a headrest removably mounted at the second end of the seat cushion or the fourth end of the backrest.

According to an object of the second aspect of the application, the application also provides a vehicle comprising a seat as described above.

According to the seat, the cushion and the backrest of the seat can slide along the sliding rail through the first connecting piece and the second connecting piece respectively and can rotate relative to the first connecting piece and the second connecting piece respectively, so that the seat can be switched among various seat modes, various scenes can be adapted to the seat, and the diversified requirements of users are met.

Further, the headrest of the seat is detachably mounted at the second end of the seat cushion or the fourth end of the backrest, so that the position of the headrest can be adjusted according to the actual requirement of a user and the seat mode of the seat, and the comfort of the user is improved.

The above, as well as additional objectives, advantages, and features of the present application will become apparent to those skilled in the art from the following detailed description of a specific embodiment of the present application when read in conjunction with the accompanying drawings.

Drawings

Some specific embodiments of the application will be described in detail hereinafter by way of example and not by way of limitation with reference to the accompanying drawings. The same reference numbers will be used throughout the drawings to refer to the same or like parts or portions. It will be appreciated by those skilled in the art that the drawings are not necessarily drawn to scale. In the accompanying drawings:

FIG. 1 is a schematic block diagram of a seat of a vehicle according to one embodiment of the application;

FIG. 2 is a schematic block diagram of a seat back in a separated state from a seat cushion in accordance with one embodiment of the present application;

FIG. 3 is a schematic block diagram of the seat of FIG. 1 in an original state;

FIG. 4 is a schematic block diagram of the seat of FIG. 1 in a first seat mode;

FIG. 5 is a schematic block diagram of the seat of FIG. 1 in a second seat mode;

FIG. 6 is a schematic block diagram of the seat of FIG. 1 in a third seating mode;

FIG. 7 is a schematic block diagram of the seat of FIG. 1 in a fourth seat mode;

FIG. 8 is a schematic block diagram of the seat of FIG. 1 in a fifth seating mode;

FIG. 9 is a schematic block diagram of the seat of FIG. 1 in a sixth seat mode;

FIG. 10 is a schematic block diagram of the seat of FIG. 1 in another state of the sixth seat mode;

FIG. 11 is a schematic block diagram of the seat of FIG. 1 in a seventh seat mode;

fig. 12 is a schematic structural view of the seat shown in fig. 1 in an eighth seat mode.

Reference numerals:

100-seat, 10-slide rail, 20-first connecting piece, 30-second connecting piece, 40-cushion, 50-backrest, 60-headrest, 70-controller, 80-cushion angle adjuster, 90-backrest angle adjuster, 41-first skeleton, 42-first turnover motor, 43-first sliding motor, 44-second end, 45-first end, 46-cushion headrest pole sleeve, 51-second skeleton, 52-second turnover motor, 53-second sliding motor, 54-third end, 55-fourth end, 56-backrest headrest pole sleeve.

Detailed Description

Embodiments of the present application are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present application and should not be construed as limiting the application.

In the description of the present application, it should be understood that the directions or positional relationships indicated by the terms "left", "right", "front", "rear", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of the description, and do not indicate or imply that the apparatus or element in question must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be construed as limiting the present application.

The terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature, i.e. one or more such features. In the description of the present application, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise. When a feature "comprises or includes" a feature or some of its coverage, this indicates that other features are not excluded and may further include other features, unless expressly stated otherwise.

Unless specifically stated or limited otherwise, the terms "coupled," "mounted," and the like should be construed broadly and may be, for example, fixedly coupled, detachably coupled, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. Those of ordinary skill in the art will understand the specific meaning of the terms described above in the present application as the case may be.

Unless otherwise defined, all terms (including technical and scientific terms) used in the description of this embodiment have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs.

Fig. 1 is a schematic structural view of a seat 100 of a vehicle according to an embodiment of the present application, and fig. 2 is a schematic structural view of a backrest 50 of the seat 100 in a separated state from a seat cushion 40 according to an embodiment of the present application. As shown in fig. 1 and 2, a seat 100 of a vehicle includes a slide rail 10, a first link 20, a second link 30, a seat cushion 40, and a backrest 50. Wherein the slide rail 10 is mounted on the floor of the vehicle and extends in the front-rear direction of the vehicle. The first link 20 is slidably disposed at the slide rail 10, and the second link 30 is slidably disposed at the slide rail 10 at a side of the first link 20 near the rear of the vehicle. The seat cushion 40 and the seatback 50 are rotatably coupled to the first link 20 and the second link 30, respectively. The seat cushion 40 and the back 50 are configured to rotate about the first link 20 and the second link 30, respectively, and combine the positions of the first link 20 and the second link 30 on the track 10 to switch the seat 100 between the plurality of seat modes.

The seat cushion 40 and the backrest 50 of the seat 100 in this embodiment can slide along the slide rail 10 through the first connecting member 20 and the second connecting member 30, respectively, and can rotate relative to the first connecting member 20 and the second connecting member 30, respectively, so that the seat 100 can be switched between multiple seat modes, the seat 100 can adapt to multiple application scenes, and the diversified demands of users are satisfied.

In this embodiment, the seat 100 of the vehicle is a rear seat, the slide rail 10 includes two rails arranged at intervals, the number of the first link 20 and the second link 30 is two, one first link 20 and one second link 30 are mounted on each rail, the two first links 20 are respectively connected to the left and right sides of the seat cushion 40, and the two second links 30 are respectively connected to the left and right sides of the backrest 50. The seat 100 further includes a controller 70, the controller 70 being mounted between the two rails for controlling the fore and aft movement of the first link 20 and the second link 30 along the track 10. Here, the seat cushion 40 is rotatably connected to the two first link members 20 through the two seat cushion recliner 80, respectively, the backrest 50 is rotatably connected to the two second link members 30 through the two backrest recliner 90, respectively, the controller 70 may control the seat cushion recliner 80 to adjust the rotation angle, i.e., the flip angle, of the seat cushion 40, thereby adjusting the position of the seat cushion 40, and the controller 70 may control the backrest recliner 90 to adjust the rotation angle, i.e., the flip angle, of the backrest 50, thereby adjusting the position of the backrest 50.

In this embodiment, the seat 100 further includes a first tilt motor 42, a first slide motor 43, a second tilt motor 52, and a second slide motor 53. The first flipping motor 42, the first sliding motor 43, the second flipping motor 52, and the second sliding motor 53 are all connected to the controller 70 through wire harnesses. The first overturning motor 42 is arranged at a position, close to the cushion angle adjuster 80, of the first framework 41 of the cushion 40, and is axially connected with the cushion angle adjuster 80, and is used for driving the cushion 40 to overturn under the control of the controller 70. The first turnover motor 42 is fixedly connected with the first frame 41. The first sliding motor 43 is provided at the lower end of the first link 20 for driving the first link 20 to move in the front-rear direction under the control of the controller 70. The second overturning motor 52 is disposed at a position of the second framework 51 of the backrest 50, which is close to the backrest angle adjuster 90, and is axially connected with the backrest angle adjuster 90, and is used for driving the backrest 50 to overturn under the control of the controller 70. The second overturning motor 52 is fixedly connected with the second framework 51. The second sliding motor 53 is provided at the lower end of the second link 30 for driving the second link 30 to move in the front-rear direction under the control of the controller 70.

In this embodiment, the seat 100 further includes a headrest 60, and the headrest 60 is detachably mounted at the second end 44 of the seat cushion 40 or the fourth end 55 of the backrest 50, so that the position of the headrest 60 can be adjusted according to the actual needs of the user and the seat mode in which the seat 100 is located, to improve the comfort of the user. The headrest 60 is connected to the back headrest rod sleeve 56 of the back 50 by insertion, and the headrest 60 can be pulled out from the back headrest rod sleeve 56. Likewise, the headrest 60 may be inserted into the cushion headrest rod sleeve 46 of the cushion 40, and the headrest 60 may be pulled out of the cushion headrest rod sleeve 46.

In this embodiment, the first flipping motor 42 and the seat cushion recliner 80 may be interlocked, and the controller 70 controls the first flipping motor 42 to rotate through the wire harness, thereby achieving the angular adjustment of the seat cushion 40. The rotation of the first reversible motor 42 allows for adjustment of the seat cushion 40 forward and rearward 180 deg. of the flat. The second flipping motor 52 operates in the same manner as the first flipping motor 42. That is, the second flipping motor 52 and the backrest recliner 90 may be interlocked, and the controller 70 controls the second flipping motor 52 to rotate through the wire harness, thereby achieving the angular adjustment of the backrest 50. Rotation of the second tilt motor 52 allows for adjustment of the back 50 forward and rearward 180 deg. of the flat.

Referring to fig. 1, the seat cushion 40 has a first end 45 rotatably coupled to the first link 20 and a second end 44 disposed opposite the first end 45, and the back rest 50 has a third end 54 rotatably coupled to the second link 30 and a fourth end 55 disposed opposite the third end 54.

Fig. 3 is a schematic structural view of the seat 100 shown in fig. 1 in an original state. As shown in fig. 3, when the seat 100 is in the original state, the seat 100 faces forward, the seat cushion 40 is in the horizontal position, and the seatback 50 is tilted rearward.

In this embodiment, the seat cushion 40 and the backrest 50 of the seat 100 are adjusted electrically, so that the seat cushion 40 and the backrest 50 can be controlled independently to move, and the independent overturning and forward and backward movement of the seat cushion 40 and the backrest 50 can be combined into many scenes, such as overall backward adjustment, and leg space is increased; the cushion 40 and the backrest 50 are adjusted in a large angle, and software presets the cushion 40 and the backrest 50 to form a zero gravity angle, so that a zero gravity posture is realized; the cushion 40 is turned over and erected, and the backrest 50 is put down backwards, so that a backward seat can be formed; the cushion 40 or the backrest 50 is placed forward and is flat, and a small table plate can be formed; the seat cushion 40 and the backrest 50 face upward and away from each other to form a sofa bench; the seat cushion 40 and the backrest 50 face up and are close together, so that a pure flat large bed can be formed; the cushion 40 and the backrest 50 are vertically close to each other and move to the direction of the vehicle head, so that the luggage bin shape can be enlarged to form a square storage space; the seat cushion 40 and the backrest 50 are vertically spaced apart and may form a stepless zoned isolation, such as isolating a pet from items of luggage. In addition, the independent overturning and forward and backward movement of the seat cushion 40 and the backrest 50 can better fit the riding curved surface of the human body, and the comfort is improved.

Fig. 4 is a schematic block diagram of the seat 100 of fig. 1 in a first seat mode. As shown in fig. 4, in this embodiment, the seat cushion 40 has a first position in which the second end 44 is forward of the first end 45 and higher than the first end 45, the back 50 has a second position in which the fourth end 55 is rearward of the third end 54 and higher than the third end 54, and the seat 100 is disposed in the first seat mode when the seat cushion 40 is in the first position, the back 50 is in the second position, and the first and second links 20, 30 are proximate. Here, the first seat mode may be regarded as a comfort mode. The seat cushion 40 is turned upwards, the backrest 50 is turned backwards, the seat cushion 40 and the backrest 50 form a standard zero gravity comfort included angle of 128 degrees, and the first connecting piece 20 and the second connecting piece 30 move in the front-back direction, so that a user can comfortably unfold. Here, the angle between the backrest 50 and the seat cushion 40 may also be set according to specific requirements.

Fig. 5 is a schematic block diagram of the seat 100 of fig. 1 in a second seat mode. As shown in fig. 5, the seat cushion 40 also has a third position with the second end 44 forward of the first end 45 and higher than the first end 45, and the seat 100 is also disposed in the second seat mode when the seat cushion 40 is in the third position, the back 50 is in the horizontal position parallel to the track 10, and the first link 20 is adjacent to the second link 30. Here, the second seat mode may be regarded as a rear seat mode, that is, the seat 100 is directed toward the rear of the vehicle. The headrest 60 is assembled to the top of the seat cushion 40 after being pulled out from the backrest 50, improving the comfort of the user.

In this embodiment, the second end 44 of the seat cushion 40 is lower in height when in the first position than when in the second position. In other embodiments, the height of the second end 44 of the seat cushion 40 in the first position and the height in the second position may also be set according to specific design requirements.

Fig. 6 is a schematic block diagram of the seat 100 of fig. 1 in a third seating mode. As shown in fig. 6, the seat 100 is further configured to be in the third seating mode when both the seat cushion 40 and the backrest 50 are positioned in a horizontal position parallel to the track rail 10, a first predetermined distance exists between the first link 20 and the second link 30, and the third end 54 and the fourth end 55 are positioned at the front end and the rear end of the seat 100, respectively. Here, the third seat mode may be considered as a seating mode in which the seat cushion 40 is laid flat forward, the backrest 50 is laid flat backward, and the seat cushion 40 and the backrest 50 are moved away from each other, thereby achieving seating of two users.

Fig. 7 is a schematic structural view of the seat 100 shown in fig. 1 in a fourth seat mode. As shown in fig. 7, in this embodiment, the seat 100 is also arranged to be in the fourth seat mode when both the seat cushion 40 and the seatback 50 are in the horizontal position and the first end 45 abuts the third end 54. Here, the fourth seating mode may be regarded as a flat large bed mode in which the seat cushion 40 is laid forward and the backrest 50 is laid backward, the seat cushion 40 and the backrest 50 are moved close to each other to form a bed, the user can sleep thereon, the user's resting requirement of lying flat is satisfied, the additional enjoyment of the mattress is not required to be added to the existing seat 100, and the user's satisfaction is improved.

Fig. 8 is a schematic structural view of the seat 100 shown in fig. 1 in a fifth seat mode. As shown in fig. 8, the seat 100 is also configured to be in the fifth seat mode when both the seat cushion 40 and the back 50 are in the horizontal position and the second end 44 and the fourth end 55 are in abutment. Here, the fifth seat mode may be considered as a flat table mode in which the seat cushion 40 is laid flat backward and the backrest 50 is laid flat forward, and the seat cushion 40 and the backrest 50 are moved close to each other to form a seating plate.

Fig. 9 is a schematic structural view of the seat 100 shown in fig. 1 in one state of the sixth seat mode, and fig. 10 is a schematic structural view of the seat 100 shown in fig. 1 in another state of the sixth seat mode. As shown in fig. 9 and 10, in this embodiment, the seat 100 is also provided in the sixth seat mode when both the seat cushion 40 and the seatback 50 are in the horizontal position, the first link 20 and the second link 30 are separated, and the seat cushion 40 and the seatback 50 are oriented the same. The sixth seating mode may be considered a tea table mode, in which case the seat cushion 40 and the backrest 50 are both laid back flat as shown in fig. 9, the seat cushion 40 and the backrest 50 are moved away from each other to form a forward tea table mode, a user can sit on the backrest 50, and an article can be placed on the seat cushion 40. In still another case, as shown in fig. 10, the cushion 40 and the backrest 50 are both laid forward, the cushion 40 and the backrest 50 are far away from each other to form a forward tea table mode, a user can sit on the cushion 40, and articles can be placed on the backrest 50, so that the dining demands of the user are met. Specifically, the selection can be performed according to the requirements of users.

Fig. 11 is a schematic structural view of the seat 100 shown in fig. 1 in a seventh seat mode. As shown in fig. 11, the seat 100 is also configured to be in the seventh seat mode when both the seat cushion 40 and the seatback 50 are in a vertical position perpendicular to the track 10 and adjacent. Here, the seventh seat mode may be regarded as a cargo mode in which the seat cushion 40 and the backrest 50 are both vertically arranged and moved close to each other, the entire movement is close to the front seat 100, and the space between the backrest 50 and the seat cushion 40 is accommodated to the limit, providing a square storage space for the trunk.

Fig. 12 is a schematic structural view of the seat 100 shown in fig. 1 in an eighth seat mode. As shown in fig. 12, in this embodiment, the seat 100 is also arranged to be in the eighth seat mode when both the seat cushion 40 and the seatback 50 are in the upright position and are spaced apart by the second preset distance. Here, the eighth seat mode may be considered as an electrodeless partition mode, in which the seat cushion 40 and the backrest 50 are vertically disposed, and both are moved along the slide rail 10 at will, so that the trunk and the front seat 100 may be separated into three sections, that is, a section is formed between the front seat 100 and the seat cushion 40, a section is formed between the seat cushion 40 and the backrest 50, a section is formed behind the backrest 50, and the trunk and the pet may be separately placed, so that the user may combine at will according to his/her own needs.

This embodiment also provides a vehicle comprising the seat 100 described above. For the seat 100, a detailed description is omitted here.

The embodiment can solve the problem of riding comfort when sitting on the back-row seat, realize 'zero gravity posture' rest, and simultaneously give consideration to the fact that the backrest 50 can be completely flat to meet the requirement of larger storage space when not sitting on the seat. And this real-time middle seat 100 can form the backward seat, also can regard as the little table simultaneously, solves and need the back dress and little table installation dismantlement difficulty and accomodate the great problem of little table occupation space. In addition, the seat 100 of this embodiment can realize a trunk compartment such as an occupant, a pet, and a luggage, separately placed without affecting each other.

By now it should be appreciated by those skilled in the art that while a number of exemplary embodiments of the application have been shown and described herein in detail, many other variations or modifications of the application consistent with the principles of the application may be directly ascertained or inferred from the present disclosure without departing from the spirit and scope of the application. Accordingly, the scope of the present application should be understood and deemed to cover all such other variations or modifications.

Claims (10)

1. A seat for a vehicle, comprising:

a slide rail installed on a floor of the vehicle and extending in a front-rear direction of the vehicle;

the first connecting piece is slidably arranged at the sliding rail;

the second connecting piece is slidably arranged at the sliding rail and is positioned at one side of the first connecting piece, which is close to the rear of the vehicle;

the cushion and the backrest are respectively and rotatably connected with the first connecting piece and the second connecting piece;

the seat cushion and the backrest are arranged to rotate about the first link and the second link, respectively, and combine the positions of the first link and the second link on the slide rail, thereby enabling the seat to switch between a plurality of seat modes.

2. The seat according to claim 1, wherein the seat is configured to be mounted on a vehicle,

the seat cushion is provided with a first end rotationally connected with the first connecting piece and a second end oppositely arranged with the first end, and the backrest is provided with a third end rotationally connected with the second connecting piece and a fourth end oppositely arranged with the third end;

the seat cushion has a first position with the second end forward of and higher than the first end, the back rest has a second position with the fourth end rearward of and higher than the third end, and the seat is configured to be in a first seat mode when the seat cushion is in the first position, the back rest is in the second position, and the first and second links are proximate.

3. The seat according to claim 2, wherein,

the seat cushion is further provided with a third position, wherein the second end of the seat cushion is positioned in front of the first end and higher than the first end, and the seat is further arranged in a second seat mode when the seat cushion is positioned in the third position, the backrest is positioned in a horizontal position parallel to the sliding rail, and the first connecting piece and the second connecting piece are close to each other.

4. The seat according to claim 3, wherein,

the second end of the seat cushion has a lower height when in the first position than when in the second position.

5. The seat according to claim 4, wherein the seat is configured to be mounted on a vehicle,

the seat is further arranged in a third seat mode when the seat cushion and the backrest are both positioned in a horizontal position parallel to the slide rails, a first preset distance exists between the first connecting piece and the second connecting piece, and the third end and the fourth end are respectively positioned at the front end and the rear end of the seat.

6. The seat according to claim 5, wherein the seat is configured to be mounted on a vehicle,

the seat is further arranged to be in a fourth seat mode when both the seat cushion and the backrest are in the horizontal position and the first end abuts the third end;

optionally, the seat is further arranged to be in a fifth seat mode when both the seat cushion and the backrest are in the horizontal position and the second end and the fourth end are in abutment.

7. The seat according to claim 6, wherein the seat is configured to be mounted on a vehicle,

the seat is further configured to be in a sixth seat mode when the seat cushion and the backrest are both in the horizontal position, the first link and the second link are separated, and the seat cushion and the backrest are oriented the same.

8. The seat according to claim 7, wherein the seat is configured to be mounted on a vehicle,

the seat is further configured to be in a seventh seat mode when both the seat cushion and the backrest are in a vertical position perpendicular to the track and adjacent;

optionally, the seat is further arranged to be in an eighth seat mode when both the seat cushion and the backrest are in the upright position and are spaced a second predetermined distance apart.

9. The seat according to any one of claims 2-4, further comprising:

a headrest removably mounted at the second end of the seat cushion or the fourth end of the backrest.

10. A vehicle comprising a seat as claimed in any one of claims 1 to 9.