CN217623225U

CN217623225U - Vehicle seat assembly and vehicle

Info

Publication number: CN217623225U
Application number: CN202221217829.3U
Authority: CN
Inventors: 孙庆帅; 战仕海
Original assignee: Zhejiang Geely Holding Group Co Ltd; Geely Automobile Research Institute Ningbo Co Ltd
Current assignee: Zhejiang Geely Holding Group Co Ltd; Geely Automobile Research Institute Ningbo Co Ltd
Priority date: 2022-05-18
Filing date: 2022-05-18
Publication date: 2022-10-21
Anticipated expiration: 2032-05-18

Abstract

The utility model provides a vehicle seat assembly and vehicle. This automobile-used seat assembly includes: a seat cushion assembly; and a back assembly coupled to the seat assembly and including a first portion and a second portion pivotally coupled to the first portion; the second part can be switched between a folded state and an unfolded state, and the second part and the first part in the unfolded state form a space for seating a child. The seat assembly for the vehicle improves the safety of the child sitting by arranging the backrest assembly to comprise two parts, so that the seat assembly has different using states, and the second part and the first part in the unfolding state form a space for the child to sit.

Description

Vehicle seat assembly and vehicle

Technical Field

The utility model relates to a but not limited to vehicle technical field especially relates to a vehicle seat assembly and vehicle.

Background

With the continuous development of social economy, automobiles have gone into thousands of households and become important transportation tools for daily transportation and travel, so that the requirements of people on the practicability, safety and the like of automobiles are higher and higher, the importance on the safety of children is increased, how to build the automobiles more safely is achieved, and the appearance and functions of the automobiles which are more in line with the household purpose become the urgent requirements of each automobile engineer.

The above description is included in the technical recognition scope of the inventors, and does not necessarily constitute the prior art.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a vehicle seat assembly and vehicle. The seat assembly for the vehicle improves the safety of the child sitting by arranging the backrest assembly to comprise two parts, so that the seat assembly has different using states, and the second part and the first part which are in the unfolding state form a space for the child to sit.

The embodiment of the utility model provides a technical scheme as follows:

a vehicle seat assembly includes a seat cushion assembly; and a back assembly coupled to the seat assembly and including a first portion and a second portion pivotally coupled to the first portion; the second part can be switched between a folded state and an unfolded state, and the second part and the first part in the unfolded state form a space for seating a child.

The backrest assembly comprises a first part and a second part which is rotatably connected with the first part, so that the seat assembly can obtain different using states, and when the second part is unfolded relative to the first part, the second part and the first part are combined to form a space for seating a child, so that parents can take care of the child conveniently, and the safety of seating the child is effectively improved.

In some exemplary embodiments, the first portion has a U-shaped cross section, and the second portion in a folded state is fitted into the U-shaped space of the first portion.

Set up the cross section of first portion and be the U type, can form spacing about children's back, prevent that children from controlling to rock too big to improve the riding comfort. The second part in the folding state is embedded into the first part, so that other subsequent uses are facilitated.

In some exemplary embodiments, the backrest assembly includes a first backrest, a second backrest, and an intermediate backrest disposed between the first backrest and the second backrest; the middle back rest comprises the first portion and the second portion;

the first backrest, the first part and the second backrest form a U-shaped space, and the second part in a folding state is embedded in the U-shaped space.

The first part and the second part are arranged on the middle seat, so that the left and right sides of the seat backrest positioned on the left and right sides of the middle seat are limited to the back of a child, the child is prevented from shaking left and right, the riding comfort is improved, and parents can conveniently take care of the child effectively.

In some exemplary embodiments, the seat assembly further comprises a locking mechanism coupled to the second portion;

the locking mechanism can lock or release the second part so as to adjust the included angle between the second part and the first part.

Through setting up locking mechanism to realize the angle modulation between second part relative first part, with the flexibility that improves the product user state.

In some exemplary embodiments, the locking mechanism comprises:

a motor; and

the locking piece is connected with the output end of the motor;

the locking piece is in contact fit with the rotating shaft of the second part all the time, so that the second part is locked or released under the driving of the motor.

Through the locking piece that sets up and be connected with the motor, and make the pivot of locking piece and second part contact the cooperation all the time, rotate in order to realize the locking or the release to the second part in order to drive the locking piece through the motor to realize the angle modulation of the relative first portion of second part, simplify the complexity of project organization, make the product have higher reliability.

In some exemplary embodiments, the seat assembly further comprises a folding table assembly mounted to the second portion;

wherein the folding table assembly is arranged to be switchable between a use state and a folded state; the folding table assembly in a folded state is fitted to the second portion.

Through setting up the folding table assembly of installing to the second portion, increase the user state of product, improve the riding comfort of car to improve the comprehensive market competition of product.

In some exemplary embodiments, the folding table assembly is flush-mounted to a side of the second portion opposite the first portion; or the folding table assembly is embedded to the side, away from the first part, of the second part.

Through inlaying folding table assembly dress to the different sides of second portion to satisfy different use crowd's demand, with the competitiveness in reinforcing market.

In some exemplary embodiments, the folding table assembly comprises:

a table assembly;

a support beam having one end slidably mounted to the table assembly and the other end slidably mounted to the second portion; and

the limiting mechanism is mounted with the table board assembly in a sliding manner;

the limiting mechanism comprises a telescopic limiting block, and the limiting block can be flexibly changed to limit or unlock the supporting beam.

Through setting up stop gear to realize spacing or the unblock to a supporting beam, with the switching between the different user state of realization folding table assembly, can satisfy different use scenes, improve the practicality of folding table assembly.

In some exemplary embodiments, the limiting mechanism further comprises:

the mounting frame is mounted to the table board assembly in a sliding mode, and the limiting block is connected with the mounting frame in a sliding mode; and

one end of the first elastic piece is connected with the installation frame, and the other end of the first elastic piece is connected with the limiting block;

the table plate assembly is lifted upwards to enable the limiting block to move upwards so as to unlock the supporting beam; and releasing the table board assembly, and enabling the limiting block to move downwards under the action of the restoring force of the first elastic piece so as to limit the supporting beam.

A vehicle comprising a vehicle body and the vehicular seat assembly of any of the above embodiments mounted to the vehicle body.

Other aspects will be apparent upon reading and understanding the attached figures and detailed description.

Drawings

The accompanying drawings are included to provide a further understanding of the technical aspects of the present invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the present invention, and together with the description, serve to explain the technical aspects of the present invention.

FIG. 1 is a first schematic structural view of a seat assembly according to some exemplary embodiments of the present invention;

FIG. 2 is a second schematic structural view of a seat assembly according to some exemplary embodiments of the present invention;

FIG. 3 is a third schematic structural view of a seat assembly according to some exemplary embodiments of the present invention;

FIG. 4 is a first schematic view of a second portion of a seat assembly according to certain exemplary embodiments of the present invention;

FIG. 5 is a second schematic structural view of a second portion of a seat assembly in accordance with certain exemplary embodiments of the present invention;

FIG. 6 is a first schematic diagram of a portion of a folding table assembly according to some exemplary embodiments of the present invention;

FIG. 7 is a second schematic view of a portion of a folding table assembly according to some exemplary embodiments of the present invention;

fig. 8 is a schematic view of a first partially cut-away view of a folding table assembly according to some exemplary embodiments of the present invention;

FIG. 9 is a second partially cut-away schematic view of a folding table assembly in accordance with certain exemplary embodiments of the present invention;

FIG. 10 is a third schematic view, partially in section, of a folding table assembly in accordance with certain exemplary embodiments of the present invention;

fig. 11 is a flow chart illustrating assembly of a seat assembly according to some exemplary embodiments of the present invention.

Reference numerals are as follows:

1-a seat cushion assembly, 1 a-a first seat cushion, 1 b-a middle seat cushion and 1 c-a second seat cushion;

2-backrest assembly, 2 a-first backrest, 2 b-middle backrest, 2b 1-first part, 2b 2-second part, 2 c-second backrest, 2 d-U-shaped space, 2 e-bearing, 2 f-fixed block;

3-a locking mechanism, 31-a motor, 32-a locking piece and 33-an adjusting button;

4-folding table assembly, 41-table plate assembly, 411-table plate, 412-supporting body, 412 a-mounting hole, 42-supporting beam, 421-sliding block, 43-first sliding rail, 431-via hole, 44-second sliding rail, 45-limiting mechanism, 451-mounting frame, 451 a-bulge, 452-limiting block, 452 a-socket joint part, 452 b-sliding part, 452 c-limiting part, 453-first elastic part, 454-second elastic part and 455-unlocking button.

Detailed Description

The technical solution of the present invention is further explained by the following embodiments with reference to the accompanying drawings. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention.

In one embodiment of the present invention, as shown in fig. 1 to 11, a seat assembly for a vehicle is provided. The seat assembly includes a seat cushion assembly 1 and a backrest assembly 2 connected to the seat cushion assembly 1. The backrest assembly 2 can be angularly adjusted relative to the seat assembly 1, etc. The seat cushion assembly 1 and the backrest assembly 2 constitute a space for seating a passenger. The seat cushion assembly 1 and the backrest assembly 2 can form a space for seating only one person, and can also form a space for seating a plurality of persons. Taking the example of a triple row seat assembly, the seat cushion assembly 1 includes a first seat cushion 1a, a middle seat cushion 1b and a second seat cushion 1c which are arranged in sequence. The backrest assembly 2 includes a first backrest 2a, a middle backrest 2b, and a second backrest 2c, which are sequentially disposed. Wherein, the first seat cushion 1a and the first backrest 2a form a space for one person to sit, and so on.

The backrest assembly 2 comprises a first portion 2b1 and a second portion 2b2. The second portion 2b2 is rotatably connected to the first portion 2b1, such that the second portion 2b2 can be rotatably adjusted relative to the first portion 2b1, such that the second portion 2b2 can be switched between a folded state and an unfolded state, as shown in fig. 1 and 2, the second portion 2b2 is in the unfolded state. As shown in fig. 3, the second portion 2b2 is in a collapsed state. The first portion 2b1 and the second portion 2b2 may be provided on the first backrest 2a, may be provided on the middle backrest 2b, and the like. In the embodiment of the present invention, the first portion 2b1 and the second portion 2b2 are provided in the middle back rest 2b as an example.

As shown in fig. 3, when the second portion 2b2 is in the folded state, the second portion 2b2 can be used as a backrest, and the middle seat cushion 1b and the second portion 2b2 form a space for passengers to sit on, which can be used as a conventional seat. As shown in fig. 2, when the second portion 2b2 is in the unfolded state, the second portion 2b2 and the first portion 2b1 may constitute a space for seating a child. The profile of the space for the child to sit in can be set to be the same as that of the conventional child seat, and can also be designed in a simplified manner, as shown in fig. 1, so as to facilitate the folding operation of the second portion 2b2 and avoid the excessive thickness of the whole middle backrest 2b.

The seat assembly can be provided with different states of use by providing the backrest assembly 2 with a first portion 2b1 and a second portion 2b2 pivotally connected to the first portion 2b 1. When the second portion 2b2 is unfolded relative to the first portion 2b1, the second portion 2b2 and the first portion 2b1 enclose a space for seating a child, so that parents can take care of the child conveniently, and the seating safety of the child is effectively improved.

In some exemplary embodiments, the cross section (a section in a plane perpendicular to the vehicle height direction) of the first portion 2b1 may be provided in a U shape, so that the second portion 2b2 in the folded state is fitted into the U-shaped space 2d of the first portion 2b 1. The second portion 2b2 after being folded can be arranged to be flush with two sides of the U-shaped space 2d to obtain a flat appearance. The cross section of the first part 2b1 is arranged to be U-shaped, only the foaming cushion forming the backrest can be arranged to be U-shaped, and the framework for supporting the foaming cushion can be designed like the traditional vehicle. The bottom wall and the two side walls forming the U-shaped space 2d can be set to have different foaming hardness, so that effective limiting is formed on the back of the child from the left side and the right side, and the child is prevented from shaking left and right (along the width direction of the vehicle body) too much, so that the riding comfort is improved. The second part 2b2 in the folded state is designed to be embedded into the first part 2b1, so that the space formed by the second part 2b2 and the seat cushion assembly 1 can be conveniently recycled. For example, the second portion 2b2 and the seat cushion assembly 1 in the folded state may constitute a space for seating an adult or the like.

In some exemplary embodiments, as shown in fig. 1 to 3, taking a triple row seat as an example, the middle backrest 2b is located between the first backrest 2a and the second backrest 2c. The first portion 2b1 and the second portion 2b2 are provided to the middle backrest 2b. The cross section of the first portion 2b1 may be configured as a rectangle as shown in the figure, and a U-shaped space 2d is formed by a difference in thickness of the first backrest 2a and the second backrest 2c with respect to the first portion 2b 1. When simplifying middle back 2b structural complexity, also can follow the left and right sides and form effective spacing to children's back, prevent that children from rocking about too big, also can make things convenient for the head of a family of both sides to carry out effectual nurse to children.

In some exemplary embodiments, as shown in fig. 4 and 5, the seat assembly further includes a locking mechanism 3. The locking mechanism 3 is connected to the second portion 2b2 to lock or release the second portion 2b2. The locking mechanism 3 may be connected with the second portion 2b2 through a gear mechanism, etc. When the locking mechanism 3 is released to the second part 2b2, the included angle between the second part 2b2 and the first part 2b1 can be manually adjusted, and when the locking mechanism 3 is locked to the second part 2b2, the second part 2b2 can be kept at the adjusting position. It may also be provided to automatically adjust, i.e. by a reciprocating movement of the locking mechanism 3, the locking or release of the second part 2b2. Through setting up locking mechanism 3 to improve the flexibility of angle modulation between second part 2b2 and first part 2b1, improve the practicality of seat assembly.

In some exemplary embodiments, as shown in fig. 4 and 5, the locking mechanism 3 includes a motor 31 and a locking member 32 connected to an output end of the motor 31. The motor 31 can realize the rotation in the positive and negative directions. The locking member 32 may be configured to have a U-shaped opening as shown, and the U-shaped opening is configured to be always in contact with and fit with the rotating shaft of the second portion 2b2, so that the second portion 2b2 is locked or released by the motor 31. The pivot can set up to the step shaft as shown in the figure, and the U type opening cooperatees with the great shaft part of size in this step shaft, also can guarantee the joint strength of product when reducing product weight. The stepped shaft can be obtained by integral forming, or can be assembled after being separately formed. As shown, the locking mechanism 3 also includes an adjustment button 33. An adjusting button 33 can be installed above the first part 2b1, the adjusting button 33 is electrically connected with the motor 31, and the adjusting button 33 is controlled to realize flexible adjustment of the rotation angle of the second part 2b2.

In some exemplary embodiments, as shown in fig. 1-11, the seat assembly further includes a folding table assembly 4 mounted to the second portion 2b2. The folding table assembly 4 may be configured as shown in fig. 1 and 2, and includes a table plate assembly 41 having a rectangular appearance. Wherein the folding table assembly 4 is arranged to be switchable between a use position (as shown in fig. 1) and a folded position (as shown in fig. 2). As shown in fig. 2, the folding table assembly 4 in the folded state is fitted into the second portion 2b2 to obtain a flat use plane. By providing the folding table assembly 4 mounted to the second portion 2b2, the usage status of the product is increased, the riding comfort of the automobile is improved, and the comprehensive market competitiveness of the product is improved.

In some exemplary embodiments, as shown in fig. 2, the folding table assembly 4 may be nested on the side of the second portion 2b2 opposite the first portion 2b 1. Alternatively, the folding table assembly 4 is fitted to the side of the second portion 2b2 facing away from the first portion 2b 1. Through inlaying folding table assembly 4 to the different sides of second part 2b2 to satisfy different use crowd's demand, strengthen the competitiveness in market. A foldable armrest (not shown), a cup holder (not shown), etc. may also be provided on the side of the second portion 2b2 facing away from the first portion 2b 1. When the second portion 2b2 is in the folded state, the folding armrest can be used to provide arm support for passengers on both sides, so as to improve the riding comfort.

In some exemplary embodiments, as shown in fig. 2, the folding table assembly 4 is disposed on the side of the second portion 2b2 opposite to the first portion 2b1, and the folding table assembly 4 is disposed on the side of the second portion 2b2 opposite to the first portion 2b1, which can be referred to for illustration, or the folding table assembly 4 can be designed in a completely different manner, and is not distinguished here.

As shown in fig. 1 and 11, the folding table assembly 4 further includes a support beam 42. The support beam 42 is disposed under the table assembly 41 to provide a stable supporting force for the table assembly 41 and the items placed thereon. The support beams 42 may be provided as a cross beam as shown, or the like. The support beam 42 is slidably mounted to the table assembly 41 at one end and to the second portion 2b2 at the other end. The support beam 42 is slidably adjustable relative to the table assembly 41 to enable height adjustment of the table assembly 41.

A first slide rail 43 may be disposed below the table assembly 41. When the second portion 2b2 is in the folded state, the first slide rail 43 extends in the height direction (the vehicle body up-down direction) of the backrest assembly 2. When the second portion 2b2 is in the unfolded state, the first slide rail 43 extends along the depth direction of the seat cushion assembly 1 only due to the difference of the reference standards. As shown in fig. 1, a second slide rail 44 may be disposed on the second portion 2b2, and the second slide rail 44 and the first slide rail 43 are disposed in parallel, and the design structures of the two may be completely the same or different. One end of the support beam 42 is slidable in a first slide rail 43 and the other end of the support beam 42 is slidable in a second slide rail 44. As shown in fig. 9 and 10, the sliding blocks 421 may be provided at both ends of the supporting beam 42, so that the sliding blocks 421 may slide in the first sliding rail 43 or the second sliding rail 44, and may be adjusted or replaced conveniently.

As shown in fig. 6 to 10, the folding table assembly 4 further includes a limiting mechanism 45, and the limiting mechanism 45 is slidably mounted below the table plate assembly 41. The supporting beam 42 (or the sliding block 421) is limited or unlocked by the limiting mechanism 45.

The spacing mechanism 45 may include a mounting frame 451, and the mounting frame 451 may be provided as a rectangular parallelepiped having a rectangular parallelepiped chamber therein as shown. The table assembly 41 includes a table 411 and a support 412 disposed below the table 411. The support 412 may be formed in a plate shape and integrally formed with the table 411. The mounting frame 451 is disposed between the two supporting bodies 412, and the first slide rail 43 may be fixed below the supporting bodies 412.

The limiting mechanism 45 further comprises a limiting block 452, and the limiting block 452 is disposed in the cavity of the mounting frame 451 and can be telescopically adjusted in the up-down direction. A through hole 431 through which a portion of the stopper 452 passes is provided in the first slide rail 43. The limiting or unlocking of the supporting beam 42 is realized through the telescopic change of the limiting block 452. The first slide rail 43 and the support body 412 can be integrally formed to reduce the assembly operation at the later stage and the overall design cost of the product.

In some exemplary embodiments, as shown in fig. 6 and 8 to 10, the limiting block 452 may be disposed in an irregular structure as shown in the figure, and include a socket portion 452a, a sliding portion 452b, and a limiting portion 452c, which are sequentially disposed. The engaging portion 452a, the sliding portion 452b and the limiting portion 452c may be integrally formed by an injection molding process. The limiting portion 452c can penetrate through the through hole 431 and can be adjusted in a sliding manner up and down to match with the supporting beam 42, so that the supporting beam 42 can be limited or unlocked. As shown in fig. 7, a projection 451a is provided on an inner wall of the mounting frame 451, and the projection 451a is slidably engaged with the sliding portion 452b of the stopper 452.

The limiting mechanism 45 further includes a first elastic member 453. The first elastic member 453 is sleeved on the sleeving part 452a and is located in the cavity of the mounting frame 451. One end of the first elastic member 453 is in contact with or connected to an inner wall of the chamber, and the other end is in contact with or connected to the sliding portion 452 b.

When the table assembly 41 is pulled upward as shown in fig. 6 to 10, the sliding portion 452b moves upward under the driving of the protrusion 451a to drive the limiting portion 452c to move upward to unlock the supporting beam 42, as shown in fig. 9 and 10, the supporting beam 42 can slide from one side of the limiting portion 452c to the other side, and the table 411 is lifted. When the table assembly 41 is released, the limiting portion 452c moves downward under the elastic restoring force of the first elastic member 453 to limit the supporting beam 42, i.e., to achieve locking, as shown in fig. 10. As shown in the figure, the end of the limiting portion 452c engaged with the supporting beam 42 may be configured in an asymmetric structure, one side is a smooth transition surface, and the other side is a vertical surface. The rounded transition surface may facilitate unlocking of the support beam 42 as the support beam 42 slides from one side of the stopper 452c to the other. When the stopper portion 452c moves downward to perform the stopper of the support beam 42, the vertical surface is advantageous for stopping the support beam 42 to improve the reliability of the stopper.

A plurality of limiting blocks 452 can be arranged along the length direction of the first slide rail 43 to realize multi-gear adjustment of the table assembly 41, that is, adjustment of different heights of the table assembly 41 can be realized to meet use requirements in different scenes.

The supporting body 412 may be a rectangular parallelepiped as shown in fig. 6, the mounting frame 451 is sleeved in the chamber of the supporting body 412, a second elastic member 454 is disposed between the mounting frame 451 and the inner wall of the chamber of the supporting body 412, and two ends of the second elastic member 454 in the length direction may respectively abut against the supporting body 412 and the mounting frame 451. An unlocking button 455 is further disposed at an end of the mounting frame 451 far from the second elastic member 454, and the unlocking button 455 may be disposed at an end of the mounting frame 451 near the first portion 2b1 to implement a hidden arrangement, which may improve the overall appearance of the product.

As shown in fig. 6, a mounting hole 412a through which the unlocking button 455 passes is provided in the support body 412. When the table assembly 41 wants to recover from the usage status to the initial position, the folding table assembly 4 may be in the initial folding status, or may be in the previous usage status, the unlocking button 455 may be pressed, so that the mounting frame 451 slides relative to the support body 412, the mounting frame 451 moves to drive the protrusion 451a to move, the matching relationship with the sliding portion 452b is utilized, so that the limiting portion 452c moves upward to realize unlocking of the supporting beam 42, the table assembly 41 may be pressed downward, and after the unlocking button 455 is released, under the elastic restoring force of the second elastic member 454, the limiting portion 452c moves downward to realize limiting of the supporting beam 42, that is, the supporting beam 42 is locked at the position.

The following brief description of the transfer sequence of the seat assembly, as shown in fig. 11, is provided for the purpose of assisting the explanation of the technical solution of the embodiment of the present invention, and is not intended to limit the technical solution of the present invention.

A rotation shaft and a lock 32 are installed at the second portion 2b2 of the backrest assembly 2, and when the second portion 2b2 is rotated, the rotation shaft and the lock 32 are rotated in synchronization. The bearing 2e and the fixed block 2f can be respectively arranged on two sides of the rotating shaft to ensure that the relative position of the rotating shaft and the second part 2b2 is unchanged, namely a split charging assembly is formed.

The locking member 32 is connected with the motor 31, the motor 31 is connected with the adjusting button 33, the adjusting button 33 is installed on the first part 2b1, the motor 31 can lock or release the locking member 32 under the control of the adjusting button 33 to control the second part 2b2 to rotate or stop, and the angle adjustment of the second part 2b2 relative to the first part 2b1 is realized.

The two sub-beams are screwed to form the beam 42. The end portions of the support beam 42 may be connected with sliders 421, respectively, and the slider 421 at one end may be slidably mounted to the first slide rail 43 and the slider 421 at the other end may be slidably mounted to the second slide rail 44. The first slide rail 43 is bonded to the table 411, and the second slide rail 44 is bonded to the second portion 2b2. The plurality of sets of stoppers 452 are mounted in the mounting frame 451, and then assembled with the support body 412 and the first slide rail 43, so as to complete the assembly of the second sub-assembly.

And then assembled with the first portion 2b1 to form the center seat assembly. And then assembled with a first seat on the left and right side (the first seat on the left side of the middle seat) and a second seat (the second seat on the right side of the middle seat) to form a seat assembly. The seat assembly is secured to the floor assembly of the vehicle body to complete the final assembly.

A vehicle includes a vehicle body (not shown) and a vehicle seat assembly of any of the above embodiments mounted to the vehicle body. Since the vehicle includes the seat assembly according to any of the embodiments, the vehicle has some of the advantages described above, and thus, the detailed description thereof is omitted.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and for simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" 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 defined as "first" or "second" may explicitly or implicitly include at least one of the feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrated; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, a first feature "on" or "under" a second feature may be directly contacting the second feature or the first and second features may be indirectly contacting the second feature through intervening media. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature "under," "beneath," and "under" a second feature may be directly under or obliquely under the second feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Moreover, various embodiments or examples and features of various embodiments or examples described in this specification can be combined and combined by one skilled in the art without being mutually inconsistent.

Although embodiments of the present invention have been shown and described, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art without departing from the scope of the present invention.

Claims

1. A vehicle seat assembly, comprising:

a seat cushion assembly; and

a back assembly coupled to said seat assembly and including a first portion and a second portion pivotally coupled to said first portion;

the second part can be switched between a folded state and an unfolded state, and the second part and the first part in the unfolded state form a space for seating a child.

2. The vehicle seat assembly of claim 1 wherein the first portion is U-shaped in cross-section and the second portion in the stowed position fits into the U-shaped space of the first portion.

3. The vehicle seat assembly of claim 1 wherein said back assembly includes a first back, a second back, and an intermediate back disposed between said first back and said second back; the middle back rest comprises the first portion and the second portion;

4. The vehicle seat assembly of claim 1, further comprising a latch mechanism coupled to the second portion;

5. The vehicle seat assembly of claim 4 wherein said latch mechanism comprises:

a motor; and

the locking piece is connected with the output end of the motor;

6. A vehicle seat assembly as set forth in any of claims 1-5 further comprising a folding table assembly mounted to said second portion;

7. The vehicle seat assembly of claim 6 wherein the folding table assembly is nested on a side of the second portion opposite the first portion; or the folding table assembly is embedded to the side, away from the first part, of the second part.

8. A vehicular seat assembly according to claim 7, wherein said folding table assembly comprises:

a table assembly;

the limiting mechanism is mounted with the table plate assembly in a sliding manner;

9. The vehicle seat assembly of claim 8 wherein the limit mechanism further comprises:

the table plate assembly is lifted upwards to enable the limiting block to move upwards so as to unlock the supporting beam; and releasing the table plate assembly, and enabling the limiting block to move downwards to limit the supporting beam under the action of the restoring force of the first elastic piece.

10. A vehicle comprising a body and a vehicle seat assembly according to any one of claims 1 to 9 mounted to the body.