Table assembly, seat and vehicle

Abstract

The utility model discloses a table board assembly, seat and vehicle relates to vehicle manufacturing technical field, and the table board assembly includes: table board and installation backboard, at least one group of movable connecting component, the movable connecting component includes first movable structure and second movable structure, and the table board is movably connected in the installation backboard through first movable structure and second movable structure, and first movable structure and second movable structure are suitable for moving close to each other or moving away from each other, so that the table board is opened or folded relative to the installation backboard, the table board assembly of the utility model has improved the stability and reliability of table board movement, has improved the deployment efficiency and folding efficiency of table board.

Description

Technical Field

[0001] This utility model relates to the field of vehicle manufacturing technology, and in particular to a table assembly, a seat having the table assembly, and a vehicle having the seat. Background Technology

[0002] In vehicles, small tables are usually stored in the back of the seat or inside the armrest to improve the utilization of interior space and passenger comfort.

[0003] In the existing technology, the flipping mechanism of the small table usually adopts a multi-link structure, and the flipping of the small table is achieved by manual or electric means, that is, unfolding or folding the small table. Although the traditional multi-link structure can achieve the flipping function of the small table, the unfolding and folding efficiency of the small table is low, and the movement stability and reliability are poor. Utility Model Content

[0004] This utility model aims to solve at least one of the technical problems existing in the prior art. To this end, this utility model proposes a tabletop assembly that improves the stability and reliability of tabletop movement, and enhances the unfolding and folding efficiency of the tabletop.

[0005] A tabletop assembly according to an embodiment of the present invention includes: a tabletop and a mounting back panel; at least one set of movable connecting components, the movable connecting components including a first movable structure and a second movable structure, the tabletop being movably connected to the mounting back panel via the first movable structure and the second movable structure, the first movable structure and the second movable structure being adapted to move closer to each other or further away from each other, so that the tabletop can be opened or folded relative to the mounting back panel.

[0006] According to the table assembly of this utility model embodiment, by providing a movable connecting component including a first movable structure and a second movable structure, the table is movably connected to the mounting back panel through the first movable structure and the second movable structure, so that the table can move flexibly relative to the mounting back panel. Through the coordinated movement of the first movable structure and the second movable structure moving closer to each other or further away from each other, the table can be opened or folded relative to the mounting back panel, which improves the stability and reliability of the table movement, and improves the unfolding efficiency and folding efficiency of the table.

[0007] According to some embodiments of the present invention, the first movable structure and the second movable structure are distributed on the mounting back plate at intervals along the vertical direction.

[0008] According to some embodiments of the present invention, in the table assembly, the first movable structure is located below the second movable structure; wherein, the first movable structure is connected to the table via a movable connecting rod, and the second movable structure is connected to the table via a movable support leg.

[0009] According to some embodiments of the present invention, in the table assembly, one end of the movable connecting rod is rotatably connected to the first movable structure and the other end is rotatably connected to the table, and one end of the movable support leg is rotatably connected to the second movable structure and the other end is fixedly connected to the table.

[0010] According to some embodiments of the present invention, the tabletop assembly has a rotating groove, and the other end of the movable connecting rod extends into the rotating groove to be rotatably connected to the tabletop.

[0011] According to some embodiments of the present invention, the table assembly includes a first link segment and a second link segment. The first link segment is rotatably connected to the first movable structure, and the second link segment is rotatably connected to the table. The first link segment and the second link segment are bent and connected to form a certain angle.

[0012] According to some embodiments of the table assembly of the present invention, the included angle between the first connecting rod segment and the second connecting rod segment is A, and satisfies: 130°≤A≤170°; and / or, the length of the first connecting rod segment is L1, the length of the second connecting rod segment is L2, and satisfies: 0.26≤L1 / L2≤1.09.

[0013] According to some embodiments of the present invention, in the table assembly, at least one set of the movable connecting components is configured as an active connecting component, and the active connecting component further includes a driving member, which is poweredly connected to the first movable structure and the second movable structure respectively, so as to drive the first movable structure and the second movable structure to move closer to or away from each other.

[0014] According to some embodiments of the present invention, in the table assembly, the driving component is connected to a driving screw, the driving screw is provided with a first threaded section and a second threaded section, the first threaded section is threadedly connected to the first movable structure, the second threaded section is threadedly connected to the second movable structure, and the threads of the first threaded section and the second threaded section have opposite directions.

[0015] According to some embodiments of the present invention, the table assembly includes multiple drive screws, which are distributed in parallel and spaced apart on the mounting back plate.

[0016] According to some embodiments of the present invention, the table assembly has at least two sets of movable connecting components, which are distributed horizontally at intervals on the mounting back panel.

[0017] According to some embodiments of the present invention, in the table assembly, at least another set of the movable connecting components is configured as a driven connecting component, wherein the first movable structure and the second movable structure of the driven connecting component are slidably engaged with the mounting back plate via a sliding guide rail.

[0018] According to some embodiments of the present invention, the table assembly further includes an electronic device, the table having a receiving area, and the electronic device being rotatably mounted in the receiving area.

[0019] According to some embodiments of the present invention, the tabletop assembly is provided with a locking structure for selectively locking or unlocking the electronic device relative to the tabletop.

[0020] According to some embodiments of the present invention, the table assembly includes a locking structure comprising a locking member and a pushing member, both of which are movably mounted on the table. The locking member is used to lock in cooperation with the electronic device, and the pushing member is used to push the locking member to unlock relative to the electronic device.

[0021] This utility model also proposes a seat.

[0022] According to an embodiment of the present utility model, the seat includes a seat back and a table assembly as described in any of the above embodiments, wherein the mounting back plate is mounted on the rear side of the seat back.

[0023] This utility model also proposes a vehicle.

[0024] The vehicle according to the present invention includes the table assembly or the seat described in any of the above embodiments.

[0025] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description

[0026] The above and / or additional aspects and advantages of this utility model will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, in which:

[0027] Figure 1 This is a schematic diagram of the table assembly according to an embodiment of the present utility model. Figure 1 ;

[0028] Figure 2 This is a schematic diagram of the table assembly according to an embodiment of the present utility model. Figure 2 ;

[0029] Figure 3This is a schematic diagram of the table assembly according to an embodiment of the present utility model. Figure 3 ;

[0030] Figure 4 This is a schematic diagram of the table assembly according to an embodiment of the present utility model. Figure 4 ;

[0031] Figure 5 This is a schematic diagram of the table assembly according to an embodiment of the present utility model. Figure 5 ;

[0032] Figure 6 This is a schematic diagram of the table assembly according to an embodiment of the present utility model. Figure 6 ;

[0033] Figure 7 This is a schematic diagram of the table assembly according to an embodiment of the present utility model. Figure 7 ;

[0034] Figure 8 This is a schematic diagram of the seat back, first movable structure, second movable structure, and movable linkage according to an embodiment of the present utility model. Figure 1 ;

[0035] Figure 9 This is a schematic diagram of the seat back, first movable structure, second movable structure, and movable linkage according to an embodiment of the present utility model. Figure 2 ;

[0036] Figure 10 This is a schematic diagram of the seat back, first movable structure, second movable structure, and movable linkage according to an embodiment of the present utility model. Figure 3 ;

[0037] Figure 11 This is a schematic diagram of the structure of the seat back and mounting back panel according to an embodiment of the present utility model. Figure 1 ;

[0038] Figure 12 This is a schematic diagram of the structure of the seat back and mounting back panel according to an embodiment of the present utility model. Figure 2 ;

[0039] Figure 13 This is a schematic diagram of the structure of the seat back and mounting back panel according to an embodiment of the present utility model. Figure 3 ;

[0040] Figure 14 This is a schematic diagram of the structure of an electronic device according to an embodiment of the present utility model;

[0041] Figure 15 This is a schematic diagram of the structure of the movable connecting rod according to an embodiment of the present utility model;

[0042] Figure 16 This is a schematic diagram of the locking structure according to an embodiment of the present utility model. Figure 1 ;

[0043] Figure 17 This is a schematic diagram of the locking structure according to an embodiment of the present utility model. Figure 2 ;

[0044] Figure 18 This is a schematic diagram of the locking structure according to an embodiment of the present utility model. Figure 3 .

[0045] Figure label:

[0046] Table assembly 100, chair back 200

[0047] Tabletop 1, rotating groove 11, receiving area 12, locking structure 13, locking element 131, locking pin 1311, pushing element 132, second connecting hole 14.

[0048] Mounting backplate 2, movable connecting assembly 3, first movable structure 31, first connecting plate 311, first connecting hole 3111, first slider 312, first through hole 3121, first driven slider 313.

[0049] The second movable structure 32, the second slider 321, the second through hole 3211, the second connecting plate 322, the third connecting hole 3221, the second driven slider 323, the driving component 33, the driving screw 34, the first threaded section 341, and the second threaded section 342.

[0050] Movable link 41, first link segment 411, first pivot hole 4111, second link segment 412, second pivot hole 41213, movable support leg 42, third pivot hole 421.

[0051] 5. Sliding guide rail; 6. Electronic equipment.

[0052] First rotating shaft 71, second rotating shaft 72, third rotating shaft 73, fourth rotating shaft 74. Detailed Implementation

[0053] The embodiments of this utility model are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this utility model, and should not be construed as limiting this utility model.

[0054] In the description of this utility model, it should be understood that the terms "center," "longitudinal," "transverse," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," and "circumferential," etc., indicating the orientation or positional relationship shown in the accompanying drawings, are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, features defined with "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this utility model, unless otherwise stated, "a plurality of" means two or more.

[0055] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0056] Unless otherwise specified, the front-back direction in this application refers to the longitudinal direction of the vehicle, i.e., the X direction; the left-right direction refers to the lateral direction of the vehicle, i.e., the Y direction; and the up-down direction refers to the vertical direction of the vehicle, i.e., the Z direction.

[0057] The following is for reference. Figures 1-18 The table assembly 100 according to an embodiment of the present utility model is described. The table assembly 100 improves the stability and reliability of the table 1's movement, and improves the unfolding efficiency and folding efficiency of the table 1.

[0058] like Figures 1-18 As shown, a tabletop assembly 100 according to an embodiment of the present invention includes: a tabletop 1, a mounting back panel 2, and at least one set of movable connecting components 3.

[0059] The mounting back panel 2 is a reinforcement plate at the rear of the seat, installed on the back of the seat back 200 to enhance the strength and stability of the seat and provide additional protection. The mounting back panel 2 provides a mounting position for the table 1 and at least one set of movable connecting components 3 and supports the movable connecting components 3 and the table 1, so that the movable connecting components 3 can be stably installed on the mounting back panel 2, and the table 1 can be stably folded and stored on the surface of the mounting back panel 2.

[0060] Users can unfold the table 1 relative to the mounting back panel 2, that is, when the table 1 is opened to a certain angle relative to the mounting back panel 2, place items such as cups, electronic devices 6, and food on the table 1 for use, thereby providing users with a convenient and comfortable user experience. When the table 1 is not in use, it can be folded relative to the mounting back panel 2, that is, the table 1 is placed parallel to the mounting back panel 2, so as to avoid the table 1 occupying the rear seat space of the vehicle.

[0061] Furthermore, the tabletop assembly 100 also includes at least one set of movable connection components 3, which includes a first movable structure 31 and a second movable structure 32. The tabletop 1 is movably connected to the mounting back panel 2 via the first movable structure 31 and the second movable structure 32. The first movable structure 31 and the second movable structure 32 are adapted to move closer to each other or further away from each other so that the tabletop 1 can be opened or folded relative to the mounting back panel 2.

[0062] Specifically, the tabletop assembly 100 may include one, two, or more sets of movable connection components 3. The movable connection components 3 are mainly used to connect the tabletop 1 and the mounting backplate 2 and to enable relative movement between the tabletop 1 and the mounting backplate 2. By setting multiple sets of movable connection components 3, the connection stability and reliability between the tabletop 1 and the mounting backplate 2 can be improved, and the movement of the tabletop 1 can be made more stable and reliable, thereby improving the smoothness and reliability of the tabletop 1's movement. Each set of movable connection components 3 includes a first movable structure 31 and a second movable structure 32. The tabletop 1 is movably connected to the mounting back panel 2 through the first movable structure 31 and the second movable structure 32. That is, one end of the first movable structure 31 is connected to the tabletop 1, and the other end of the first movable structure 31 is connected to the mounting back panel 2. One end of the second movable structure 32 is connected to the tabletop 1, and the other end of the second movable structure 32 is connected to the mounting back panel 2. Thus, both the first movable structure 31 and the second movable structure 32 are connected between the tabletop 1 and the mounting back panel 2. Both the first movable structure 31 and the second movable structure 32 can move independently relative to the tabletop 1 and the mounting back panel 2, and drive the tabletop 1 to move when moving. Thus, the tabletop 1 can move within a certain range relative to the mounting back panel 2 through the first movable structure 31 and the second movable structure 32, so as to facilitate the opening or folding of the tabletop 1 relative to the mounting back panel 2.

[0063] The first movable structure 31 and the second movable structure 32 are adapted to move closer to each other or further away from each other. That is, the first movable structure 31 and the second movable structure 32 are spaced apart. The first movable structure 31 and the second movable structure 32 can move closer to each other, that is, the first movable structure 31 moves towards the direction of the second movable structure 32, while the second movable structure 32 moves towards the direction of the first movable structure 31, so as to drive the table 1 to move, so that the table 1 is folded relative to the mounting back panel 2. Correspondingly, the first movable structure 31 and the second movable structure 32 can also move further away from each other, that is, the first movable structure 31 moves away from the second movable structure 32, while the second movable structure 32 moves away from the first movable structure 31, so as to drive the table 1 to move, so that the table 1 is opened relative to the mounting back panel 2. Thus, through the coordinated movement between the first movable structure 31 and the second movable structure 32, the opening or folding of the table 1 relative to the mounting back panel 2 is realized. And because the first movable structure 31 and the second movable structure 32 jointly drive the table 1 to move, the unfolding efficiency and folding efficiency of the table 1 are higher, and the movement is more stable and reliable.

[0064] Thus, through the combined action of the first movable structure 31 and the second movable structure 32, the tabletop 1 can move more stably and flexibly relative to the mounting back panel 2, improving the stability and reliability of the tabletop 1's movement, and increasing the tabletop 1's unfolding and folding efficiency.

[0065] According to the table assembly 100 of this utility model embodiment, by providing a movable connecting component 3 including a first movable structure 31 and a second movable structure 32, the table 1 is movably connected to the mounting back plate 2 through the first movable structure 31 and the second movable structure 32, so that the table 1 can move flexibly relative to the mounting back plate 2. Through the coordinated movement of the first movable structure 31 and the second movable structure 32 moving closer to each other or further away from each other, the table 1 can be opened or folded relative to the mounting back plate 2, which improves the stability and reliability of the table 1's movement, and improves the unfolding efficiency and folding efficiency of the table 1.

[0066] In some embodiments, the first movable structure 31 and the second movable structure 32 are spaced apart in the vertical direction on the mounting back plate 2.

[0067] In other words, in the vertical direction of the mounting back panel 2, the first movable structure 31 can be connected to the upper part of the mounting back panel 2 and the second movable structure 32 can be connected to the lower part of the mounting back panel 2, or the first movable structure 31 can be connected to the lower part of the mounting back panel 2 and the second movable structure 32 can be connected to the upper part of the mounting back panel 2. Thus, the first movable structure 31 and the second movable structure 32 can move linearly in the vertical direction to move closer to or further away from each other, so that the tabletop 1 can be opened or folded relative to the mounting back panel 2 in the vertical direction, making the movement of the tabletop 1 more stable and reliable.

[0068] In some embodiments, the first active structure 31 is located below the second active structure 32.

[0069] Specifically, such as Figure 1 and Figure 2 As shown, the first movable structure 31 and the second movable structure 32 are spaced apart on the mounting back plate 2 in the vertical direction. The first movable structure 31 is connected to the lower part of the mounting back plate 2, and the second movable structure 32 is connected to the upper part of the mounting back plate 2. Thus, the first movable structure 31 is located below the second movable structure 32, so that the first movable structure 31 and the second movable structure 32 can move linearly in the vertical direction.

[0070] In practice, the first movable structure 31 can move upward, while the second movable structure 32 can move downward, so that the first movable structure 31 and the second movable structure 32 move closer to each other, causing the front end of the tabletop 1 to flip upward from bottom to top, thus opening the tabletop 1 relative to the mounting back panel 2. Alternatively, the first movable structure 31 can move downward, while the second movable structure 32 can move upward, so that the first movable structure 31 and the second movable structure 32 move away from each other, thus flipping the front end of the tabletop 1 downward from top to bottom, thus folding the tabletop 1 relative to the mounting back panel 2.

[0071] Furthermore, the first movable structure 31 is connected to the tabletop 1 via a movable connecting rod 41, and the second movable structure 32 is connected to the tabletop 1 via a movable support leg 42.

[0072] In other words, one end of the movable link 41 is connected to the tabletop 1, and the other end of the movable link 41 is also connected to the tabletop 1. Thus, the movable link 41 connects the first movable structure 31 and the tabletop 1. When the first movable structure 31 moves, it can drive the movable link 41 to move, which in turn drives the tabletop 1 to move, thereby achieving motion transmission from the first movable structure 31 to the tabletop 1. Similarly, one end of the movable leg 42 is connected to the tabletop 1, and the other end of the movable leg 42 is connected to the second movable structure 32. Thus, the movable leg 42 connects the second movable structure 32 and the tabletop 1. When the second movable structure 32 moves, it can drive the movable leg 42 to move, which in turn drives the tabletop 1 to move, thereby achieving motion transmission from the second movable structure 32 to the tabletop 1.

[0073] Thus, the first movable structure 31 and the second movable structure 32 are smoothly connected to the tabletop 1 through the movable link 41 and the movable support leg 42, so that the first movable structure 31 and the second movable structure 32 can transmit motion to the tabletop 1 through the movable link 41 and the movable support leg 42, so as to drive the tabletop 1 to flexibly flip in the vertical direction, thereby realizing the folding and unfolding of the tabletop 1.

[0074] And, such as Figure 1 and Figure 2 As shown, the first movable structure 31 is connected to the tabletop 1 via the movable connecting rod 41, and the second movable structure 32 is connected to the tabletop 1 via the movable support leg 42. Together with the mounting back panel 2, they form a triangular structure. The triangle has stability, which can effectively improve the movement stability of the tabletop 1. When the first movable structure 31 and the second movable structure 32 move away from each other, the hypotenuse of the triangle increases, and the tabletop 1 gradually folds. When the first movable structure 31 and the second movable structure 32 move closer to each other, the hypotenuse of the triangle decreases, and the tabletop 1 gradually unfolds. This ensures that the tabletop 1 remains stable during folding and unfolding, reducing the swaying and tilting of the tabletop 1.

[0075] In some embodiments, one end of the movable link 41 is rotatably connected to the first movable structure 31 and the other end is rotatably connected to the table 1, and one end of the movable support leg 42 is rotatably connected to the second movable structure 32 and the other end is fixedly connected to the table 1.

[0076] Specifically, one end of the movable link 41 is rotatably connected to the first movable structure 31, allowing relative rotation between the movable link 41 and the first movable structure 31. The other end of the movable link 41 is also rotatably connected to the first movable structure 31, allowing relative rotation between the movable link 41 and the tabletop 1. Thus, the movable link 41 rotatably connects the first movable structure 31 and the tabletop 1, converting the linear motion of the first movable structure 31 in the vertical direction into the rotational motion of the tabletop 1, enabling the tabletop 1 to smoothly flip vertically, achieving folding and unfolding; and the movable support legs... One end of the movable leg 42 is rotatably connected to the second movable structure 32, so that the movable leg 42 and the second movable structure 32 can rotate relative to each other, and the other end of the movable leg 42 is fixedly connected to the table 1, so that the movable leg 42 and the table 1 are connected as a whole structure. When the movable leg 42 moves, it can drive the table 1 to move together. Thus, the movable leg 42 is rotatably connected between the second movable structure 32 and the table 1. The movable leg 42 can convert the linear motion of the second movable structure 32 in the vertical direction into the rotational motion of the table 1, so that the table 1 can be smoothly flipped in the vertical direction to achieve folding and opening.

[0077] Thus, the movement of the second movable structure 32 drives the tabletop 1 and the movable support leg 42 to rotate together. At the same time, the movement of the first movable structure 31 drives the movable link 41 to rotate, and the rotation of the movable link 41 drives the tabletop 1 to rotate. This converts the linear motion of the first movable structure 31 and the second movable structure 32 into the rotational motion of the tabletop 1, thereby realizing the opening and folding of the tabletop 1 relative to the mounting back panel 2.

[0078] In a specific embodiment, such as Figure 4 , Figure 7 , Figure 8 and Figure 9 As shown, one end of the movable link 41 is rotatably connected to the first movable structure 31 via the first rotating shaft 71, and the other end of the movable link 41 is rotatably connected to the front end of the tabletop 1 via the second rotating shaft 72. One end of the movable support leg 42 is rotatably connected to the second movable structure 32 via the third rotating shaft 73. The other end of the movable support leg 42 can be welded to the tabletop 1, or fixedly connected by bolts, screws, snap-fits, integral molding, etc. The other end of the movable link 41 can be connected to the lower side of the tabletop 1, and the length of the movable support leg 42 is less than the length of the movable link 41. This allows the movable link 41 to effectively push the tabletop 1 upward when it is unfolded, ensuring stable unfolding and support. When the tabletop 1 needs to be folded, the movable link 41 can effectively drive the tabletop 1 downward, allowing it to fold stably.

[0079] In some embodiments, the tabletop 1 has a rotating groove 11, and the other end of the movable connecting rod 41 extends into the rotating groove 11 to be rotatably connected to the tabletop 1.

[0080] Specifically, the rotating fitting groove 11 should be adapted to the shape and size of the movable connecting rod 41 so that the other end of the movable connecting rod 41 can be smoothly extended into the rotating fitting groove 11 and rotatably connected to the table 1 in the rotating fitting groove. A second connecting hole 14 can be provided on the inner wall of the rotating fitting groove 11 so that the second rotating shaft 72 can pass through the movable connecting rod 41 and the second connecting hole 14. The other end of the movable connecting rod 41 can rotate around the second rotating shaft 72 to realize the rotatable connection between the other end of the movable connecting rod 41 and the table 1.

[0081] Therefore, by providing a rotating groove 11 on the tabletop 1, and having the other end of the movable link 41 extend into the rotating groove 11 to rotatably connect with the tabletop 1, at least a portion of the movable link 41 can be hidden inside the tabletop 1 when the tabletop 1 is unfolded, preventing the movable link 41 from occupying the space around the tabletop 1 and improving the user experience. When the tabletop 1 is folded, at least a portion of the movable link 41 is hidden inside the tabletop 1, allowing the tabletop 1 to be folded parallel to the mounting back panel 2.

[0082] In a specific embodiment, such as Figure 4 As shown, the lower side of the tabletop 1 is recessed to form a rotating groove 11. The rotating groove 11 is constructed as a rectangular groove to match the shape and size of the movable connecting rod 41. The other end of the movable connecting rod 41 extends from below the tabletop 1 into the rotating groove 11. A second connecting hole 14 is provided on the side wall of the rotating groove 11. The second rotating shaft 72 passes through the movable connecting rod 41 and the second connecting hole 14 to achieve a rotating connection between the other end of the movable connecting rod 41 and the tabletop 1. Of course, in actual design, the rotating groove 11 can also be set as a circular groove, an elliptical groove, an irregular groove, etc., and can be flexibly set according to the actual situation, not limited to the embodiment described herein.

[0083] In some embodiments, such as Figure 7 and Figure 15 As shown, the movable link 41 includes a first link segment 411 and a second link segment 412. The first link segment 411 is rotatably connected to the first movable structure 31, meaning that the first link segment 411 and the first movable structure 31 can rotate relative to each other. Figure 10 and Figure 15 As shown, the end of the first connecting rod segment 411 is provided with a first pivot hole 4111, the first movable structure 31 is provided with a first connecting hole 3111, the first pivot 71 can pass through the first pivot hole 4111 and the first connecting hole 3111, and the first connecting rod segment 411 can rotate around the first pivot 71, thereby realizing the rotational connection between the first connecting rod segment 411 and the first movable structure 31.

[0084] The second link segment 412 is rotatably connected to the tabletop 1, meaning that the second link segment 412 and the first movable structure 31 can rotate relative to each other. Figure 4 and Figure 15 As shown, the end of the second connecting rod segment 412 is provided with a second pivot hole 4121, as... Figure 4 As shown, the tabletop 1 is provided with a second connecting hole 14, and the second rotating shaft 72 can be inserted into the second rotating shaft hole 4121 and the second connecting hole 14. The second connecting rod segment 412 can rotate around the second rotating shaft 72, thereby realizing the rotational connection between the second connecting rod segment 412 and the tabletop 1.

[0085] And such as Figure 15 As shown, the first connecting rod segment 411 and the second connecting rod segment 412 are bent and connected to form a certain angle, so that the second connecting rod segment 412 can be hidden in the rotating fitting groove 11. The angle formed between the first connecting rod segment 411 and the second connecting rod segment 412 can be an acute angle, a right angle, an obtuse angle, etc.

[0086] In practical design, such as Figure 10 As shown, a third pivot hole 421 can also be provided at the end of the movable leg 42, and a third connecting hole 3221 can be provided in the second movable structure 32. The third pivot 73 can pass through the third pivot hole 421 and the third connecting hole 3221, and the movable leg 42 can rotate around the third pivot 73, thereby realizing the rotational connection between the movable leg 42 and the second movable structure 32.

[0087] In some embodiments, such as Figure 15 As shown, the included angle between the first link segment 411 and the second link segment 412 is A, and satisfies: 130°≤A≤170°.

[0088] Specifically, the included angle A between the first link segment 411 and the second link segment 412 can be set to 130°, 135°, 140°, 145°, 150°, 155°, 160°, 165°, 170°, or other angles within the range of 130° to 170°. It can be understood that the larger the included angle between the first link segment 411 and the second link segment 412, the greater the upward bending angle of the second link segment 412 relative to the first link segment 411. This may prevent the second link segment 412 from extending into the rotating fitting groove 11. On the other hand, the smaller the included angle between the first link segment 411 and the second link segment 412, the smaller the upward bending angle of the second link segment 412 relative to the first link segment 411. This may prevent the second link segment 412 from smoothly rotating and connecting with the tabletop 1, thus preventing the tabletop 1 from moving.

[0089] Therefore, by setting the included angle A between the first link segment 411 and the second link segment 412 within a reasonable range of 130° to 170°, it can be effectively ensured that the second link segment 412 extends into the rotating fitting groove 11 and smoothly rotates and connects with the table 1. At the same time, at least a part of the second link segment 412 can be hidden in the rotating fitting groove 11, avoiding the occupation of the space under the table 1.

[0090] In the actual design, the included angle A between the first link segment 411 and the second link segment 412 can preferably be 160°. This allows the connection point between the first link segment 411 and the second link segment 412, i.e. the bend of the movable link 41, to match the rotating fitting groove 11, so that the second link segment 412 can smoothly extend into the rotating fitting groove 11 and be hidden inside the rotating fitting groove 11.

[0091] In other embodiments, such as Figure 15 As shown, the length of the first link segment 411 is L1, and the length of the second link segment 412 is L2, and the following condition is met: 0.26≤L1 / L2≤1.09.

[0092] Specifically, the ratio of the length L1 of the first link to the length L2 of the second link segment 412 can be set to 0.26, 0.3, 0.35, 0.34, 0.35, 0.4, 0.45, 0.5, 0.55, 0.6, 0.65, 0.7, 0.75, 0.8, 0.85, 0.9, 0.95, 1.0, 1.02, 1.05, 1.09, or other values ​​within the range of 0.26 to 1.09. Understandably, the larger the ratio of the length L1 of the first link segment 411 to the length L2 of the second link segment 412, the longer the first link segment 411 is relative to the second link segment 412, meaning the second link segment 412 is shorter. This may prevent the second link segment 412 from connecting smoothly to the table 1. Conversely, the smaller the ratio of the length L1 of the first link segment 411 to the length L2 of the second link segment 412, the shorter the first link segment 411 is relative to the second link segment 412, meaning the second link segment 412 is longer. This may result in the second link segment 412 being too long, occupying too much space under the table 1, making it impossible for passengers to place their legs, affecting the user experience, and possibly preventing the table 1 from being folded and stored smoothly.

[0093] Therefore, by setting the ratio of the length L1 of the first link segment 411 to the length L2 of the second link segment 412 within the above-mentioned reasonable range, the lengths of the first link segment 411 and the second link segment 412 can be made appropriate, allowing the second link segment 412 to be smoothly connected to the tabletop 1, enabling the tabletop 1 to be folded and unfolded smoothly, and reducing the encroachment on the space under the tabletop 1.

[0094] In the actual design, the ratio of the length L1 of the first link segment 411 to the length L2 of the second link segment 412 can preferably be 0.55, so that the second link segment 412 can be just hidden in the rotating fitting groove 11, so that the second link segment 412 will not occupy the space under the table 1 or will occupy the space under the table 1 to the minimum.

[0095] In some embodiments, at least one set of active connection components 3 are configured as active connection components, and the active connection components further include a drive member 33, which is poweredly connected to the first active structure 31 and the second active structure 32 respectively, for driving the first active structure 31 and the second active structure 32 to move closer to or away from each other.

[0096] Specifically, one, two, or more sets of movable connecting components 3 can be set as active connecting components. The active connecting components are the main components that drive the tabletop 1 to move. By setting multiple sets of active connecting components, multiple sets of active connecting components can provide power at the same time, so that the tabletop assembly 100 has stronger power performance. This allows the tabletop 1 to open faster and more stably and reliably. Moreover, when one set of active connecting components is damaged or fails, the other active connecting components can still work normally to drive the tabletop 1 to open and fold normally.

[0097] The active connection component includes a drive element 33, which provides driving force. The drive element 33 is poweredly connected to the first movable structure 31 and the second movable structure 32 respectively, so that the driving force can be transmitted to the first movable structure 31 and the second movable structure 32 respectively, driving the first movable structure 31 and the second movable structure 32 to move closer to or further away from each other, thereby realizing the opening or folding of the tabletop 1 relative to the mounting back panel 2.

[0098] In actual design, the drive component 33 can be configured as a drive motor, electric strut, hydraulic strut, cylinder, etc., and can be flexibly selected according to actual needs, and is not limited to the embodiment described herein.

[0099] In some embodiments, the drive member 33 is connected to a drive screw 34, the drive screw 34 is provided with a first threaded section 341 and a second threaded section 342, the first threaded section 341 is threadedly connected to the first movable structure 31, the second threaded section 342 is threadedly connected to the second movable structure 32, and the threads of the first threaded section 341 and the second threaded section 342 have opposite directions.

[0100] Specifically, the output end of the drive member 33 is connected to the drive screw 34 so that the drive member 33 can drive the drive screw 34 to rotate. For example, when the drive member 33 is constructed as a drive motor, the output shaft of the drive motor can be connected to the drive screw 34 so that the drive motor can drive the drive screw 34 to rotate. The drive screw 34 is provided with a first threaded section 341 and a second threaded section 342. That is, the first threaded section 341 and the second threaded section 342 are provided on the outer peripheral wall of the drive screw 34, and the first threaded section 341 and the second threaded section 342 are spaced apart in the vertical direction. The first threaded section 341 is threadedly connected to the first movable structure 31. That is, the first movable structure 31 can be provided with a first through hole 3121, and the first through hole 3121 is provided with an internal thread that matches the first threaded section 341. The drive screw 34 can be inserted into the first through hole 3121 so that the first threaded section 341 and the internal thread of the first through hole 3121 are engaged, thereby realizing the threaded connection between the first threaded section 341 and the first movable structure 31. Thus, when the drive screw 34 rotates, the first movable structure 31 can move linearly along the axial direction of the drive screw 34.

[0101] The second movable structure 32 may be provided with a second through hole 3211, and the second through hole 3211 is provided with an internal thread that matches the second threaded section 342. The drive screw 34 may be inserted into the second through hole 3211 so that the second threaded section 342 and the internal thread of the second through hole 3211 are engaged, thereby realizing the threaded connection between the second threaded section 342 and the second movable structure 32. Thus, when the drive screw 34 rotates, the second movable structure 32 can move linearly along the axial direction of the drive screw 34.

[0102] The first threaded section 341 and the second threaded section 342 have opposite thread directions. That is, the first threaded section 341 can be a left-hand thread and the second threaded section 342 can be a right-hand thread, or the first threaded section 341 can be a right-hand thread and the second threaded section 342 can be a left-hand thread. In this way, when the drive screw 34 rotates, the first movable structure 31 and the second movable structure 32 move in opposite directions, so that the first movable structure 31 and the second movable structure 32 can move closer to each other or away from each other along the axial direction of the drive screw 34, so as to drive the table 1 to open or fold.

[0103] Therefore, by setting a first threaded section 341 and a second threaded section 342 with opposite thread directions on the drive screw 43, and threadedly connecting the first threaded section 341 and the second threaded section 342 to the first movable structure 31 and the second movable structure 32 respectively, the first movable structure 31 and the second movable structure 32 move in opposite directions, making the tabletop 1 open or fold flexibly and conveniently. It also makes the movement synchronization of the first movable structure 31 and the second movable structure 32 higher, improving the opening and folding efficiency of the tabletop 1, and reducing the use of parts, making the active connection component structure compact and reducing space occupation, thereby reducing the weight of the tabletop assembly 100.

[0104] In a specific embodiment, such as Figures 1-6 As shown, in the active connection assembly, the driving component 33 is connected to a driving screw 34. The driving screw 34 is provided with a first threaded section 341 and a second threaded section 342 with opposite thread directions. The first threaded section 341 is located at the lower part, and the second threaded section 342 is located at the upper part. The first movable structure 31 includes a first slider 312 and a first connecting plate 311. The first slider 312 is fixedly connected to the first connecting plate 311. The first slider 312 is provided with a first through hole 3121. The driving screw 34 passes through the first through hole 3121, and the first slider 312 is threadedly connected to the first threaded section 341. The first connecting plate 311 is rotatably connected to the movable connecting rod 41. The second movable structure 32 includes a second slider 321 and a second connecting plate 322. The second slider 321 is fixedly connected to the second connecting plate 322. The second slider 321 is provided with a second through hole 3211. The driving screw 34 passes through the second through hole 3211, and the second slider 321 is threadedly connected to the second threaded section 342.

[0105] In some embodiments, there are multiple drive screws 34, and the multiple drive screws 34 are distributed in parallel and spaced apart on the mounting back plate 2.

[0106] In other words, the drive screws 34 can be set to two, three, or even more. By setting multiple drive screws 34, they can be threadedly connected to the first movable structure 31 and the second movable structure 32 at multiple positions. This allows multiple drive screws 34 to simultaneously drive the first movable structure 31 and the second movable structure 32, making their movement more stable and reliable, thus making the tabletop 1 move more smoothly and reliably. Furthermore, the multiple drive screws 34 are distributed parallel and spaced apart on the mounting back plate 2, meaning they are spaced a certain distance apart along the width of the mounting back plate 2. This avoids interference between the multiple drive screws 34, preventing them from affecting their individual movements.

[0107] Therefore, by setting multiple drive screws 34, the motion stability and reliability of the first movable structure 31 and the second movable structure 32 are improved. Furthermore, when one of the drive screws 34 fails, the other drive screws 34 can still work stably, thereby improving the reliability of the table assembly 100.

[0108] For example, such as Figure 5 and Figure 10 As shown, three drive screws 34 are provided. The first movable structure 31 is provided with three first through holes 3121, which are spaced apart. Multiple drive screws 34 can be threaded into the three first through holes 3121 one by one to be threadedly connected to the first movable structure 31. The second movable structure 32 is provided with three second through holes 3211, which are spaced apart. Multiple drive screws 34 can be threaded into the three second through holes 3211 one by one to be threadedly connected to the second movable structure 32. The three drive screws 34 are distributed parallel and spaced apart on the mounting back plate 2. Thus, the three drive screws 34 are threadedly connected to the first movable structure 31 and the second movable structure 32 at the same time, which can make the first movable structure 31 and the second movable structure 32 more stable and prevent the first movable structure 31 and the second movable structure 32 from shaking and deflecting during movement.

[0109] It should be noted that the number of drive screws 34 is not limited to that described in this embodiment, and can be flexibly set according to actual needs.

[0110] In some embodiments, the active connection components 3 are configured as at least two groups, and the at least two groups of active connection components 3 are distributed horizontally spaced apart on the mounting back plate 2.

[0111] In other words, the movable connecting components 3 can be set to two, three, or more sets. By setting multiple sets of movable connecting components 3, multiple sets of movable connecting components 3 can simultaneously drive the tabletop 1 to move, thereby further improving the stability and reliability of the tabletop 1's movement and preventing the tabletop 1 from tilting or swaying during opening and folding. Among them, at least two sets of movable connecting components 3 are distributed horizontally at intervals on the mounting back plate 2 to avoid interference between the various movable connecting components 3, so that at least two sets of movable connecting components 3 can stably drive the tabletop 1 to rotate stably at multiple positions.

[0112] Specifically, such as Figure 1As shown, two sets of movable connecting components 3 are provided. One set of movable connecting components 3 is located on the left side of the mounting back plate 2 and connected to the left end of the tabletop 1, while the other set of movable connecting components 3 is located on the right side of the mounting back plate 2 and connected to the right end of the tabletop 1. Thus, the two sets of movable connecting components 3 can drive the tabletop 1 to flip up and down from two different positions. Alternatively, three sets of movable connecting components 3 can be provided: one set located on the left side of the mounting back plate 2 and connected to the left end of the tabletop 1, one set located on the right side of the mounting back plate 2 and connected to the right end of the tabletop 1, and one set located in the middle of the mounting back plate 2 and connected to the middle of the tabletop 1. This is a flexible option that can be configured according to actual needs.

[0113] In some embodiments, at least another set of active connection components 3 are configured as driven connection components, wherein the first active structure 31 and the second active structure 32 of the driven connection components are both slidably engaged with the mounting backplate 2 via the sliding guide rail 5.

[0114] In other words, one, two, or more sets of movable connecting components 3 can be set as driven connecting components. The driven connecting components can move with the active connecting components. The first movable structure 31 and the second movable structure 32 of the driven connecting components are slidably engaged with the mounting backplate 2 via sliding guide rails 5. That is, sliding guide rails 5 can be provided on the mounting backplate 2, and the sliding guide rails 5 are slidably engaged with the first movable structure 31 and the second movable structure 32 of the driven connecting components. Therefore, the first movable structure 31 and the second movable structure 32 of the driven connecting components can move linearly along the sliding guide rails 5, thereby driving the tabletop 1 to move. The sliding guide rails 5 can be fixedly connected to the mounting backplate 2 to ensure the installation stability of the sliding guide rails 5.

[0115] Specifically, such as Figure 2 and Figure 4 As shown, in the driven connection assembly, the first movable structure 31 includes a first driven slider 313, the second movable structure 32 includes a second driven slider 323, and a sliding guide rail 5 is installed on the mounting back plate 2. The sliding guide rail 5 extends in the vertical direction. The first driven slider 313 and the second driven slider 323 are both slidably engaged with the sliding guide rail 5, that is, the first driven slider 313 and the second driven slider 323 can both move linearly along the sliding guide rail 5 to drive the table 1 to move.

[0116] In some embodiments, the table assembly 100 further includes an electronic device 6, the table 1 having a receiving area 12 in which the electronic device 6 is rotatably mounted.

[0117] Specifically, the electronic device 6 can be a tablet computer, etc. A portion of the table 1 is hollow to form a receiving area 12. The shape of the receiving area 12 matches the shape of the electronic device 6, so that the electronic device 6 can be installed in the receiving area 12 and can rotate within the receiving area 12, so that the electronic device 6 can be rotated to a certain angle for passenger use, thereby improving the multifunctionality of the table 1 and avoiding the electronic device 6 occupying other space in the vehicle, thus optimizing space utilization.

[0118] like Figure 1 As shown, the rear center area of ​​the tabletop 1 can be hollowed out to form a receiving area 12, and the electronic device 6 can be installed within the receiving area 12, as shown. Figure 14 As shown, a fourth pivot 74 can be provided at the middle of the left and right ends of the electronic device 6, and a fourth pivot hole is provided on the table 1. The fourth pivot 74 can be inserted into the fourth pivot hole and can rotate flexibly in the fourth pivot hole, so that the electronic device 6 can be rotatably installed in the receiving area 12.

[0119] In practice, the electronic device 6 can rotate at any angle within the accommodating area 12, allowing passengers to use it from any angle, which is flexible and convenient and enhances the user experience. For example, when the electronic device 6 is not in use, it can be rotated so that its back is flush with the upper surface of the table 1. When the electronic device 6 is needed, its front can be rotated to face the upper surface of the table 1 for the user to use.

[0120] In some embodiments, the tabletop 1 is provided with a locking structure 13, which is used to selectively lock or unlock the electronic device 6 relative to the tabletop 1.

[0121] Specifically, when the electronic device 6 is not in use, the locking structure 13 can lock the electronic device 6 relative to the tabletop 1, preventing the electronic device 6 from rotating relative to the tabletop 1. In other words, the electronic device 6 is fixed relative to the tabletop 1, which can prevent damage caused by accidental rotation of the electronic device 6. When the electronic device 6 needs to be used, the locking structure 13 can unlock the electronic device 6 relative to the tabletop 1, allowing the electronic device 6 to rotate relative to the tabletop 1. This allows the user to rotate the electronic device 6 to any angle for use.

[0122] Therefore, by setting the locking structure 13, the electronic device 6 can be selectively locked or unlocked relative to the tabletop 1, thereby improving the safety and convenience of using the electronic device 6.

[0123] In some embodiments, the locking structure 13 includes a locking member 131 and a pushing member 132, both of which are movably mounted on the tabletop 1. The locking member 131 is used to lock into the electronic device 6, and the pushing member 132 is used to push the locking member 131 to unlock relative to the electronic device 6.

[0124] Specifically, such as Figures 16-18 As shown, the locking structure 13 includes a locking member 131 and a pushing member 132. Both the locking member 131 and the pushing member 132 are movably mounted on the tabletop 1, meaning that both the locking member 131 and the pushing member 132 can move relative to the tabletop 1. By pushing the pushing member 132, the pushing member 132 can push the locking member 131 to move, thereby locking the locking member 131 with the electronic device 6, thus achieving the locking between the electronic device 6 and the tabletop 1. Alternatively, by pushing the pushing member 132, the pushing member 132 can push the locking member 131 to move, thereby unlocking the locking member 131 relative to the electronic device 6, thus achieving the unlocking between the electronic device 6 and the tabletop 1.

[0125] In practical design, such as Figures 16-18 As shown, the pusher 132 and the locking member 131 can be integrated into one unit, and as... Figure 4 As shown, at least a portion of the pusher 132 can be disposed on the outside of the tabletop 1 to form a button, so that the user can push the pusher 132 by pressing the button. The locking member 131 may include a locking pin 1311. When the pusher 132 is pushed, the locking pin 1311 is driven to move, so that the locking pin 1311 is inserted into the plug hole of the electronic device 6, thereby realizing the locking engagement between the locking member 131 and the electronic device 6. When the user presses the button again, the pusher 132 can automatically reset so that the locking pin 1311 is separated from the plug hole of the electronic device 6, thereby realizing the unlocking between the locking member 131 and the electronic device 6.

[0126] This utility model also proposes a seat.

[0127] According to an embodiment of the present invention, the seat includes a seat back 200 and a table assembly 100 of any of the above embodiments, and a mounting back plate 2 is mounted on the rear side of the seat back 200.

[0128] Specifically, such as Figures 11-13 As shown, the seat includes a seat back 200, a mounting back panel 2 is installed on the rear side of the seat back 200 to reinforce and support the seat back 200, and a table assembly 100 is provided on the rear side of the seat back 200 to facilitate the unfolding and folding of the table 1 for use by the occupants behind the seat.

[0129] The seat according to the present utility model embodiment improves the multifunctionality of the seat by setting the above-mentioned table assembly 100, which can meet the user's usage needs in different scenarios.

[0130] This utility model also proposes a vehicle.

[0131] The vehicle according to the present invention includes the table assembly 100 of any of the above embodiments or the seat of any of the above embodiments.

[0132] The vehicle according to the present utility model embodiment improves the vehicle's functionality and ride comfort by setting the above-mentioned seats, which can meet the personalized needs of different users and reduce the occupation of interior space.

[0133] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "illustrative embodiment," "example," "specific example," or "some examples," etc., indicate that a specific feature, structure, material, or characteristic described in connection with that embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples.

[0134] Although embodiments of the present invention have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A tabletop assembly, characterized in that, include: Tabletop (1) and mounting back panel (2); At least one set of movable connection components (3), the movable connection components (3) including a first movable structure (31) and a second movable structure (32), the tabletop (1) being movably connected to the mounting back panel (2) via the first movable structure (31) and the second movable structure (32), the first movable structure (31) and the second movable structure (32) being adapted to move closer to each other or further away from each other, so that the tabletop (1) can be opened or folded relative to the mounting back panel (2).

2. The tabletop assembly according to claim 1, characterized in that, The first movable structure (31) and the second movable structure (32) are spaced apart in the vertical direction on the mounting back plate (2).

3. The tabletop assembly according to claim 2, characterized in that, The first active structure (31) is located below the second active structure (32); The first movable structure (31) is connected to the tabletop (1) via a movable connecting rod (41), and the second movable structure (32) is connected to the tabletop (1) via a movable support leg (42).

4. The tabletop assembly according to claim 3, characterized in that, One end of the movable link (41) is rotatably connected to the first movable structure (31) and the other end is rotatably connected to the tabletop (1). One end of the movable support leg (42) is rotatably connected to the second movable structure (32) and the other end is fixedly connected to the tabletop (1).

5. The tabletop assembly according to claim 4, characterized in that, The tabletop (1) has a rotating groove (11), and the other end of the movable connecting rod (41) extends into the rotating groove (11) to be rotatably connected to the tabletop (1).

6. The tabletop assembly according to claim 4, characterized in that, The movable link (41) includes a first link segment (411) and a second link segment (412). The first link segment (411) is rotatably connected to the first movable structure (31), and the second link segment (412) is rotatably connected to the tabletop (1). The first link segment (411) and the second link segment (412) are bent and connected to form a certain angle.

7. The tabletop assembly according to claim 6, characterized in that, The included angle between the first link segment (411) and the second link segment (412) is A, and satisfies: 130°≤A≤170°; And / or, the length of the first link segment (411) is L1, the length of the second link segment (412) is L2, and satisfies: 0.26≤L1 / L2≤1.

09.

8. The tabletop assembly according to claim 1, characterized in that, At least one set of the active connection components (3) is configured as an active connection component, and the active connection component further includes a drive member (33), which is poweredly connected to the first active structure (31) and the second active structure (32) respectively, for driving the first active structure (31) and the second active structure (32) to move closer to or away from each other.

9. The tabletop assembly according to claim 8, characterized in that, The drive component (33) is connected to a drive screw (34), which has a first threaded section (341) and a second threaded section (342). The first threaded section (341) is threadedly connected to the first movable structure (31), and the second threaded section (342) is threadedly connected to the second movable structure (32). The threads of the first threaded section (341) and the second threaded section (342) have opposite directions.

10. The tabletop assembly according to claim 9, characterized in that, There are multiple drive screws (34), and the multiple drive screws (34) are distributed in parallel and spaced apart on the mounting back plate (2).

11. The tabletop assembly according to claim 8, characterized in that, The active connection components (3) are configured as at least two sets, and the at least two sets of active connection components (3) are distributed horizontally spaced apart on the mounting back plate (2).

12. The tabletop assembly according to claim 11, characterized in that, At least one of the other sets of the active connection components (3) is configured as a driven connection component, wherein the first active structure (31) and the second active structure (32) of the driven connection component are slidably engaged with the mounting back plate (2) via a sliding guide rail (5).

13. The tabletop assembly according to claim 1, characterized in that, It also includes an electronic device (6), the tabletop (1) having a receiving area (12), the electronic device (6) being rotatably mounted in the receiving area (12).

14. The tabletop assembly according to claim 13, characterized in that, The tabletop (1) is provided with a locking structure (13) for selectively locking or unlocking the electronic device (6) relative to the tabletop (1).

15. The tabletop assembly according to claim 14, characterized in that, The locking structure (13) includes a locking member (131) and a pushing member (132). Both the locking member (131) and the pushing member (132) are movably mounted on the tabletop (1). The locking member (131) is used to lock into the electronic device (6), and the pushing member (132) is used to push the locking member (131) to unlock relative to the electronic device (6).

16. A type of seat, characterized in that, The seat includes a seat back (200) and a table assembly according to any one of claims 1-15, wherein the mounting back plate (2) is mounted on the rear side of the seat back (200).

17. A vehicle, characterized in that, Includes the table assembly according to any one of claims 1-15 or the seat according to claim 16.

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