Seat combination unit for vehicle and vehicle

Abstract

The utility model provides a seat combination unit for the vehicle and the vehicle, the seat combination unit for the vehicle comprises a plurality of seats, the plurality of seats are sequentially arranged in parallel from front to back, each seat comprises a seat body, a telescopic assembly and a storage assembly, the seat body is provided with a storage cavity communicated with the outside, and the storage assembly is arranged in the storage cavity. The telescopic assembly is arranged in the containing cavity, the storage assembly comprises a hook, the hook is arranged at one end of the telescopic assembly, the telescopic assembly has a containing mode and an extending mode, when the telescopic assembly is in the containing mode, the hook is located in the containing cavity, and when the telescopic assembly is in the extending mode, the hook extends out of the containing cavity under the action of the telescopic assembly. The hook is arranged on the back side of the seat and used for hanging articles of a user on the adjacent seat on the back side, so that the user can hang the articles such as a backpack on the extending hook, convenience is brought to the user, the hook can be stored in the storage cavity when the hook is not needed, and the conciseness and attractiveness of the seat are guaranteed.

Description

Technical Field

[0001] The present application relates to the technical field of seats, and further relates to a seat assembly unit for a vehicle and the vehicle. Background Art

[0002] With the improvement of people's daily living standards, vehicles have become the main means of transportation for people. During holidays, traveling by vehicle has become one of people's choices.

[0003] At present, with the continuous improvement of people's living standards, people's demand for cars is gradually increasing, and the requirements for cars are also constantly improving. In particular, people now carry a lot of things with them when riding in buses, and the things they carry with them are often stored in backpacks. However, most buses are not designed with special bag storage devices, so how to store backpacks has become a problem. Carrying a backpack on the back makes it difficult to put it on the seat comfortably. To get it in front of you, you have to hold or carry it, which is quite laborious. If you place it on the bus floor, it is easy to get dirty by being stepped on or forgotten on the bus when getting out.

[0004] Therefore, the present invention is dedicated to providing a seat assembly unit for a vehicle and a vehicle to solve the above technical problems. Utility Model Content

[0005] In response to the above technical problems, the purpose of this application is to provide a seat combination unit for a vehicle, which aims to hang backpacks and other items carried by users on hooks through the cooperation of telescopic components and storage components, freeing the user's hands and improving the user's riding experience.

[0006] To achieve the above object, a seat assembly unit for a vehicle includes a plurality of seats, wherein the plurality of seats are arranged in a front-to-back manner, each of the seats includes a seat body, a telescopic assembly, and a storage assembly, and the seat body is provided with a storage cavity connected to the outside;

[0007] The telescopic assembly is arranged in the storage cavity, and the storage assembly includes a hook, and the hook is arranged at one end of the telescopic assembly;

[0008] In which, the telescopic component has a storage mode and an extension mode. When the telescopic component is in the storage mode, the hook is located in the storage cavity. When the telescopic component is in the extension mode, the hook extends from the storage cavity under the action of the telescopic component and is used to hang items of the user on the adjacent seat located at the rear side.

[0009] In some embodiments, the storage cavity is provided on the backrest of the seat body, and the opening of the storage cavity is provided on the rear side wall of the backrest so that the storage cavity is in communication with the outside.

[0010] In some embodiments, a control mechanism is further included on the seat body, wherein the control mechanism is electrically connected to the telescopic assembly and is used to control the telescopic assembly to drive the hook to move.

[0011] In some embodiments, the control mechanism includes a fingerprint module and a control module, wherein the fingerprint module is used to obtain fingerprint information of the user;

[0012] The control module is electrically connected to the fingerprint module and the telescopic assembly, and the control module is suitable for driving the hook to move according to the fingerprint information.

[0013] In some embodiments, the hook is provided with a first pressure sensor electrically connected to the control module, and the first pressure sensor is used to obtain first pressure data applied to the hook;

[0014] The control module is adapted to control the telescopic assembly to drive the hook to move according to the first pressure data.

[0015] In some embodiments, each seat body is further provided with a second pressure sensing element and a reminder unit electrically connected to the second pressure sensing element, and the reminder unit is further communicatively connected to the first pressure sensing element on the adjacent seat body located in the front side;

[0016] The second pressure sensor is arranged on the seat surface of the seat body, and is used to obtain corresponding second pressure data of the seat surface. The reminder unit is suitable for issuing a reminder based on the first pressure data and the second pressure data.

[0017] In some embodiments, the telescopic assembly includes a driving member and a positioning block provided with a first connecting hole, and the positioning block is mounted and fixed at the opening of the receiving cavity;

[0018] The hook is arranged on a side of the positioning block away from the driving member, and the output end of the driving member is transmission-connected to one end of the hook through the first connecting hole, so as to drive the hook to move.

[0019] In some embodiments, the hook includes a first extending arm, a second extending arm, and a connecting arm, the first extending arm and the second extending arm are arranged at both ends of the connecting arm in an extending direction and are located on the same side of the connecting arm, and the end of the first extending arm away from the connecting arm is transmission-connected to the driving member through the first connecting hole;

[0020] Wherein, a second connecting hole is provided on the positioning block. When the hook is located in the receiving cavity, one end of the second extending arm is located in the second connecting hole. When the hook is extended from the receiving cavity, the second extending arm is extended from the second connecting hole.

[0021] In some embodiments, the storage assembly further comprises a baffle disposed on the backrest, wherein the baffle is disposed below the storage cavity and opposite to the storage cavity;

[0022] The lower end surface of the baffle is provided with a rotating portion, and the backrest is provided with a rotating matching portion. The rotating portion is rotatably connected to the rotating matching portion to adjust the opening and closing angle between the baffle and the backrest.

[0023] A vehicle comprises any one of the above-mentioned seat assembly units for a vehicle.

[0024] Compared with the prior art, the seat assembly unit for a vehicle and the vehicle provided in this application have the following beneficial effects:

[0025] 1. The utility model provides a seat assembly unit for a vehicle and a vehicle, which includes a plurality of seats, which are arranged in sequence front to back, and a storage assembly and a telescopic assembly are provided on each seat body. When in use, the telescopic assembly can extend a hook from a storage cavity so that the user can hang items such as a backpack on the hook, which does not occupy the floor space in the vehicle or the seat space, thereby saving space inside the vehicle. The user does not need to hold the backpack himself, freeing up the user's hands, so that the user can free up his hands to handle other things, thereby improving the user's usage experience. Moreover, when the user does not carry a backpack or does not need to hang items such as a backpack on the hook, the telescopic assembly can move the hook into the storage cavity, thereby ensuring the aesthetics and safety of the seat.

[0026] 2. The utility model provides a seat assembly unit for a vehicle and a vehicle, wherein the control mechanism includes a fingerprint module and a control module. Fingerprint information can be input through the fingerprint module. When the backpack needs to be removed from the hook, the user needs to identify the fingerprint through the fingerprint module and compare it with the original fingerprint information through the control module. If the fingerprint information is correct, the control module will control the hook to extend from the storage cavity, which is more secure and reduces the possibility of losing items such as backpacks.

[0027] 3. The utility model provides a seat assembly unit for a vehicle and a vehicle, wherein a first pressure sensor is further provided on the hook. The first pressure sensor obtains pressure data on the hook, and the control module can determine whether there is an object on the hook based on the first pressure data.

[0028] 4. The utility model provides a seat assembly unit for a vehicle and a vehicle, wherein a second pressure sensor is further provided on the seat body for obtaining second pressure data on the seat surface. The reminder unit can determine whether the user has forgotten to take items such as a backpack based on the second pressure data and the first pressure data of the seat located in the front side, thereby issuing a reminder to the outside world in a timely manner.

[0029] 5. The utility model provides a seat assembly unit for a vehicle and a vehicle. When the hook is in the storage compartment, one end of the second extending arm moves into the second connecting hole, so that the hook and the positioning block form a closed connection, reducing the possibility of items such as backpacks falling off the hook. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] The preferred implementation scheme will be described below in a clear and understandable manner with reference to the accompanying drawings to further illustrate the above-mentioned characteristics, technical features, advantages and implementation methods of the present application.

[0031] Figure 1 This is a structural schematic diagram of a seat assembly unit for a vehicle provided by the utility model;

[0032] Figure 2 This is a structural schematic diagram of a seat body of a seat assembly unit for a vehicle provided by the present invention;

[0033] Figure 3 The utility model is an exploded view of a seat body of a seat assembly unit for a vehicle provided by the present invention.

[0034] Description of the accompanying figures: seat body 1, backrest 11, second pressure sensor 12, seat surface 13, telescopic component 2, driving member 21, positioning block 22, hook 3, fingerprint module 41, control module 42, backpack 5, first seat 6, second seat 7. DETAILED DESCRIPTION

[0035] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the specific implementation methods of the present application will be described below with reference to the accompanying drawings. Obviously, the drawings described below are only some embodiments of the present application. For those skilled in the art, other drawings and other implementation methods can be obtained based on these drawings without inventive work.

[0036] To simplify the drawings, only the portions relevant to the application are schematically depicted in each figure; they do not represent the actual structure of the product. Furthermore, to simplify the drawings and facilitate understanding, in some figures, only one component with the same structure or function is schematically depicted or labeled. In this document, "one" not only means "only one" but also "more than one."

[0037] It should be further understood that the term "and / or" used in this specification and the appended claims refers to and includes any and all possible combinations of one or more of the associated listed items.

[0038] It should be noted that, unless otherwise specified or limited, the terms "mounted," "connected," and "connected" should be understood broadly. For example, they can refer to fixed, detachable, or integral connections; mechanical or electrical connections; direct or indirect connections through an intermediary; and internal communication between two components. Those skilled in the art will understand the specific meanings of these terms in this application based on the specific circumstances.

[0039] In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0040] In addition, in the description of the present application, the terms "first", "second", etc. are only used to distinguish the description and cannot be understood as indicating or implying relative importance.

[0041] In one embodiment, a seat combination unit for a vehicle is described, which comprises a plurality of seats arranged in parallel. The telescopic component 2 can drive the hook 3 to extend from the storage cavity, so that the user can hang items such as a backpack 5 on the hook 3. At the same time, the telescopic component 2 can also store the hook 3 in the storage cavity to ensure the aesthetics of the seat.

[0042] Specifically, see the accompanying drawings Figures 1 to 3 A seating assembly unit includes a plurality of seats, which are arranged in a front-to-back arrangement, i.e., arranged in a forward-to-back direction. Each seat comprises a seat body 1, a telescopic assembly 2, and a storage assembly. Furthermore, the seat body 1 is provided with a storage cavity connected to the outside world for accommodating the telescopic assembly 2. The storage assembly includes a hook 3, one end of which is fixed within the storage cavity. The hook 3 is provided at one end of the telescopic assembly 2.

[0043] It should be pointed out that the telescopic component 2 has a storage mode and an extension mode. When the telescopic component 2 is in the storage mode, the hook 3 is located in the storage cavity. When the telescopic component 2 is in the extension mode, the hook 3 is extended from the storage cavity under the action of the telescopic component 2 and is used to hang the user's items on the adjacent seat located at the rear side.

[0044] It is understandable that in the prior art, when people are riding in a vehicle and carrying items such as a backpack 5, they often place the backpack 5 on their chest or back. This approach is inconvenient and prevents the user from sitting comfortably in the vehicle. Some passengers also choose to place items such as backpacks 5 on the vehicle floor. Although this does not cause discomfort to the passenger, it is easy to get dirty. The present invention provides a seat assembly unit for a vehicle. When in use, the telescopic assembly 2 can be adjusted to an extended mode, which drives the hook 3 to move so that the hook 3 is located outside the seat body 1, allowing the user to hang items such as a backpack 5 on the hook 3, thereby freeing the user's hands and preventing discomfort. Accordingly, when the user is not carrying items such as a backpack 5, the telescopic assembly 2 can be adjusted to a storage mode, which drives the hook 3 to move so that the hook 3 is located within the storage cavity and does not protrude from the seat body 1, thereby ensuring the aesthetics of the seat body 1.

[0045] In one embodiment, see the accompanying drawings Figure 1 This embodiment further describes a seat assembly unit for a vehicle. A storage cavity is provided on the backrest 11 of the seat body 1, and an opening of the storage cavity is provided on the rear side wall of the backrest 11, so that the storage cavity is in communication with the outside.

[0046] Of course, in actual production applications, the storage cavity can also be provided on both sides of the seat body 1, such as on the two side walls of the backrest 11, or on the chair legs of the seat body 1. These are not described here one by one, and all are within the scope of protection of the present utility model. For the sake of convenience, the storage cavity is provided on the backrest 11 of the seat body 1.

[0047] In one embodiment, see the accompanying drawings Figure 3 This embodiment further describes the telescopic assembly 2. The telescopic assembly 2 includes a driver 21 and a positioning block 22, with a first connection hole provided on the positioning block 22. The driver 21 is mounted and fixed at one end thereof, distal from the output end, within the receiving chamber. Correspondingly, the positioning block 22 is mounted and fixed at the opening of the receiving chamber. The hook 3 is disposed on the side of the positioning block 22 distal from the driver 21. One end of the hook 3 is transmission-connected to the output end of the driver 21 via the first connection hole. The driver 21 drives the hook 3 to move, thereby enabling the hook 3 to be received within and extended from the receiving chamber.

[0048] To ensure stability when hanging items such as a backpack 5 on the hook 3, this embodiment further describes the hook 3 and positioning block 22. The hook 3 includes a first extending arm, a second extending arm, and a connecting arm. The first and second extending arms 32 are positioned at opposite ends of the connecting arm and on the same side of the connecting arm, forming a U-shape. Furthermore, the end of the first extending arm, distal from the connecting arm, is connected to the driver 21 via a first connecting hole. The positioning block 22 includes a second connecting hole adapted to engage with the second extending arm 32. When the telescopic assembly 2 moves the hook 3 into the storage chamber, the driver 21 drives the first extending arm, causing the second extending arm 32 to move into the second connecting hole and engage with the second connecting hole. This ensures that both ends of the hook 3 are connected to the positioning block 22, preventing items from falling off and being damaged. Accordingly, when the hook 3 is to be extended from the storage chamber, the driver 21 pushes the hook 3 to move, causing the second extending arm 32 to be removed from the second connecting hole.

[0049] In addition, the driving member 21 can be set as a linear motor, or can be set as a cylinder, an oil cylinder, etc., to achieve the purpose of driving the hook 3 to move. They are not described one by one here, and all are within the scope of protection of the present utility model.

[0050] In one embodiment, this embodiment further describes a vehicle assembly unit. The assembly unit further includes a control mechanism disposed on the seat body 1. The control mechanism is electrically connected to the telescopic assembly 2, that is, the control mechanism is electrically connected to the driving member 21, and controls the mode type of the telescopic assembly 2, thereby controlling the movement of the hook 3.

[0051] Furthermore, the control mechanism includes a fingerprint module 41 and a control module 42. The fingerprint module 41 is used to obtain the user's fingerprint information. The control module 42 is electrically connected to the fingerprint module 41 and the telescopic component 2. The control module is suitable for controlling the movement of the hook 3 according to the fingerprint information.

[0052] For ease of explanation, a plurality of seats are provided, which are sequentially designated as a first seat 6 and a second seat 7, with the second seat 7 located behind the first seat 6. During use, a user sits in the second seat 7. To facilitate placement of items, the user typically hangs items on the hook 3 of the first seat 6. Specifically, a user in one seat hangs items on the hook 3 of the adjacent seat in front. By pressing a finger on the fingerprint module 41 of the first seat 6, the fingerprint module 41 captures the user's fingerprint information. The control module 42 of the first seat 6 then controls the telescopic assembly 2 to extend the hook 3 from the storage cavity, allowing the user to hang items such as a backpack 5 on the hook 3 of the first seat 6. When the user exits the vehicle, they press their finger on the fingerprint module 41 of the first seat 6 again. The fingerprint module 41 captures the user's fingerprint information, and the control module 42 determines whether the fingerprint information matches. If so, the telescopic assembly 2 is controlled to extend the hook 3 from the storage cavity, allowing the user to remove the backpack 5 or other items. If not, the telescopic assembly 2 is not controlled to extend the hook 3, ensuring the safety of the items.

[0053] Furthermore, a first pressure sensor is provided on hook 3 and is electrically connected to a corresponding control module 42 on seat body 1. The first pressure sensor is configured to obtain first pressure data applied to hook 3. Accordingly, control module 42 is adapted to control telescopic assembly 2 to move hook 3 based on the first pressure data. If, after hook 3 has been extended from the storage cavity for a period of time and the first pressure sensor fails to obtain the first pressure data, indicating that no item is hung on hook 3, control module 42 controls hook 3 to retract into the storage cavity.

[0054] Generally speaking, the storage cavity is disposed on the backrest 11 of the seat body 1, and its opening communicates with the outside world through the rear sidewall of the backrest 11. Furthermore, the first extending arm is positioned below the second extending arm 32, and the first pressure sensor is therefore disposed on the first extending arm. Of course, the specific location of the first pressure sensor can be tailored to the specific location of the storage cavity to obtain the first pressure data applied to the hook 3. This will not be detailed here, as all such locations fall within the scope of this invention.

[0055] In one embodiment, see the accompanying drawings Figure 3 This embodiment further describes the seat body 1. Each seat body 1 is further provided with a reminder unit and a second pressure sensor 12. The second pressure sensor 12 is electrically connected to the reminder unit on the corresponding seat body 1. The reminder unit is also in communication with the first pressure sensor on the adjacent front seat body 1. The second pressure sensor 12 is provided on the seat surface 13 of the seat body 1 and is used to obtain second pressure data on the seat surface 13 to determine whether a user is seated on the seat surface 13.

[0056] It should be noted that the reminder unit is suitable for issuing reminders to the outside world based on the first pressure data and the second pressure data. Specifically, for the convenience of explanation, the user sits on the second seat 7 and hangs an item on the hook 3 of the first seat 6. The reminder unit of the second seat 7 is communicatively connected to the first pressure sensor of the first seat 6 and is electrically connected to the second pressure sensor 12 on the second seat 7. When the first pressure data and the second pressure data obtained by the reminder unit are both zero, it means that the passenger on the second seat 7 has left the second seat 7 and taken away the item on the hook 3 of the first seat 6, and the reminder unit will not issue a reminder. When the first pressure data obtained by the reminder unit is not zero and the second pressure data is zero, it means that the passenger has left the second seat 7 but forgot to take the item on the hook 3 of the first seat 6. Therefore, the reminder unit will issue a reminder to the outside world at this time.

[0057] Furthermore, preferably, the second pressure sensor 12 is also communicatively connected to a control module 42 located on the front seat body 1. This control module 42 is adapted to control the telescopic assembly 2 to extend the hook 3 based on the second pressure data. Generally, if a passenger has left the second seat 7 and forgotten to remove an item from the hook 3 on the first seat 6, the reminder unit will issue a reminder. Accordingly, the second pressure data obtained by the control module 42 on the first seat 6 is zero, and the control module 42 on the first seat 6 controls the telescopic assembly 2 on the first seat 6 to extend the hook 3, allowing the driver to remove the forgotten item.

[0058] In one embodiment, this embodiment further describes a seat assembly unit for a vehicle. The defogger further comprises a baffle disposed on the backrest 11, positioned below and opposite the storage cavity. A rotating portion is provided on the lower end surface of the baffle, and a rotating mating portion is provided on the backrest 11. The rotating portion and the rotating mating portion are rotatably connected, so that the lower end of the baffle is hingedly connected to the backrest 11 to adjust the opening and closing angle between the baffle and the backrest 11.

[0059] Among them, rotating shafts are provided at both ends of the lower end surface of the baffle, two mounting seats are provided on the backrest 11, and mounting holes are provided on the side where the two mounting seats are close to each other. The two rotating shafts are respectively provided in the two mounting holes, and the rotating shafts and the mounting holes are connected by damping parts to maintain the size of the opening and closing angle for a long time.

[0060] It is understandable that when the user hangs items on the hook 3, for items such as storage bags that prioritize their own carrying capacity, the user can choose to rotate the baffle to increase the opening and closing angle between the baffle and the backrest 11, so that the lower end of the storage bag is set on the baffle. The baffle can share the weight of the storage bag and reduce the possibility of the storage bag being damaged due to being too heavy.

[0061] In one embodiment, this embodiment provides a vehicle, which includes a seat assembly unit for a vehicle as described in any of the above embodiments, and several groups of seat assembly units for the vehicle are arranged in the vehicle, and the several seat assembly units for the vehicle are arranged in sequence on the left and right to form a plurality of retractable and movable hooks 3 in the vehicle for carrying user items.

[0062] It should be noted that the above embodiments can be freely combined as needed. The above are only preferred implementations of the present application. It should be noted that for ordinary technicians in this technical field, several improvements and modifications can be made without departing from the principles of the present application, and these improvements and modifications should also be considered as the scope of protection of the present application.

Claims

1. A seat assembly unit for a vehicle, characterized in that: The invention comprises a plurality of seats, wherein the plurality of seats are arranged in a front-to-back manner, each of the seats comprises a seat body, a telescopic component and a storage component, and the seat body is provided with a storage cavity connected to the outside; The telescopic assembly is arranged in the storage cavity, and the storage assembly includes a hook, and the hook is arranged at one end of the telescopic assembly; In which, the telescopic component has a storage mode and an extension mode. When the telescopic component is in the storage mode, the hook is located in the storage cavity. When the telescopic component is in the extension mode, the hook extends from the storage cavity under the action of the telescopic component and is used to hang items of the user on the adjacent seat located at the rear side.

2. A seat assembly unit for a vehicle according to claim 1, characterized in that: The storage cavity is arranged on the backrest of the seat body, and the opening of the storage cavity is arranged on the rear side wall of the backrest so that the storage cavity is connected with the outside.

3. A seat assembly unit for a vehicle according to claim 2, characterized in that: It also includes a control mechanism arranged on the seat body, the control mechanism is electrically connected to the telescopic component, and is used to control the telescopic component to drive the hook to move.

4. A seat assembly unit for a vehicle according to claim 3, characterized in that: The control mechanism includes a fingerprint module and a control module, and the fingerprint module is used to obtain the user's fingerprint information; The control module is electrically connected to the fingerprint module and the telescopic assembly, and the control module is suitable for driving the hook to move according to the fingerprint information.

5. A seat assembly unit for a vehicle according to claim 4, characterized in that: The hook is provided with a first pressure sensor electrically connected to the control module, and the first pressure sensor is used to obtain first pressure data applied to the hook; The control module is adapted to control the telescopic assembly to drive the hook to move according to the first pressure data.

6. A seat assembly unit for a vehicle according to claim 5, characterized in that: Each seat body is further provided with a second pressure sensing element and a reminder unit electrically connected to the second pressure sensing element, and the reminder unit is further communicatively connected to the first pressure sensing element on the adjacent seat body located in the front side; The second pressure sensor is arranged on the seat surface of the seat body, and is used to obtain corresponding second pressure data of the seat surface. The reminder unit is suitable for issuing a reminder based on the first pressure data and the second pressure data.

7. A seat assembly unit for a vehicle according to any one of claims 1 to 6, characterized in that: The telescopic assembly includes a driving member and a positioning block provided with a first connecting hole, and the positioning block is installed and fixed at the opening of the receiving cavity; The hook is arranged on a side of the positioning block away from the driving member, and the output end of the driving member is transmission-connected to one end of the hook through the first connecting hole, so as to drive the hook to move.

8. A seat assembly unit for a vehicle according to claim 7, characterized in that: The hook includes a first extending arm, a second extending arm and a connecting arm, wherein the first extending arm and the second extending arm are arranged at both ends of the connecting arm in an extending direction and are located on the same side of the connecting arm, and an end of the first extending arm away from the connecting arm is transmission-connected to the driving member through the first connecting hole; Wherein, a second connecting hole is provided on the positioning block. When the hook is located in the receiving cavity, one end of the second extending arm is located in the second connecting hole. When the hook is extended from the receiving cavity, the second extending arm is extended from the second connecting hole.

9. The seat assembly unit for a vehicle according to claim 4, characterized in that: The storage assembly further includes a baffle disposed on the backrest, the baffle being disposed below the storage cavity and opposite to the storage cavity; The lower end surface of the baffle is provided with a rotating portion, and the backrest is provided with a rotating matching portion. The rotating portion is rotatably connected to the rotating matching portion to adjust the opening and closing angle between the baffle and the backrest.

10. A vehicle, characterized in that: A seat assembly unit for a vehicle comprising any one of claims 1-9.

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