CN117507962A

CN117507962A - Seat frame of vehicle and vehicle

Info

Publication number: CN117507962A
Application number: CN202311699711.8A
Authority: CN
Inventors: 岳悬悬; 丘伟栋; 王占; 赵洪卫
Original assignee: Guangzhou Automobile Group Co Ltd
Current assignee: Guangzhou Automobile Group Co Ltd
Priority date: 2023-12-11
Filing date: 2023-12-11
Publication date: 2024-02-06

Abstract

The invention discloses a seat frame of a vehicle and the vehicle, the seat frame of the vehicle comprises: an inner frame assembly, a chassis assembly, and a first drive assembly. The inner frame assembly comprises an inner frame, a first connecting rod and a second connecting rod, wherein the first connecting rod and the second connecting rod are arranged at intervals in the front-rear direction, the first connecting rod and the second connecting rod are a plurality of connecting rods which are spaced apart in the left-right direction, the lower ends of the first connecting rod and the second connecting rod are rotationally connected with the floor, and the upper ends of the first connecting rod and the second connecting rod are rotationally connected with the inner frame; the chassis assembly is connected with the inner frame; the first driving component is arranged on the inner frame and used for driving one of the first connecting rod and the second connecting rod to rotate so as to drive the chassis component assembly to move in the up-down direction. According to the seat framework of the vehicle, the seat framework of the vehicle can realize the adjustment of the seat height so as to meet the requirements of users, and further, the use convenience and the comfort of the users are improved.

Description

Seat frame of vehicle and vehicle

Technical Field

The invention relates to the technical field of vehicles, in particular to a seat framework of a vehicle and the vehicle.

Background

In the related technology, along with the high-speed development of the automobile industry and the improvement of the living standard of people, the requirements of consumers on automobiles are not limited to the quality and the performance of automobiles, the requirements on the experience of daily use of automobiles are also increasingly improved, the requirements of people on automobile seats are higher and higher, passengers have different seat posture requirements in different scenes, and the use convenience and the comfort of the users are seriously affected by the automobile seats which cannot be adjusted.

Disclosure of Invention

The present invention aims to solve at least one of the technical problems existing in the prior art. Therefore, the invention provides the seat framework of the vehicle, which can realize the adjustment of the seat height so as to meet the requirements of users and further improve the use convenience and comfort of the users.

The invention also provides a vehicle, which comprises the seat framework of the vehicle.

According to an embodiment of the present invention, a seat frame for a vehicle includes: an inner frame assembly, a chassis assembly, and a first drive assembly. The inner frame assembly comprises an inner frame, a first connecting rod and a second connecting rod, wherein the first connecting rod and the second connecting rod are arranged at intervals in the front-back direction, the first connecting rod and the second connecting rod are a plurality of connecting rods which are spaced apart in the left-right direction, the lower ends of the first connecting rod and the second connecting rod are rotationally connected with a floor, and the upper ends of the first connecting rod and the second connecting rod are rotationally connected with the inner frame; the chassis assembly is connected with the inner frame; the first driving component is arranged on the inner frame and is used for driving one of the first connecting rod and the second connecting rod to rotate so as to drive the chassis component assembly to move in the up-down direction.

According to the seat frame of the vehicle, the inner frame assembly is arranged to be the inner frame, the first connecting rods and the second connecting rods, the lower ends of the first connecting rods and the second connecting rods are rotatably connected with the floor, the upper ends of the first connecting rods and the second connecting rods are rotatably connected with the inner frame, the first connecting rods and the second connecting rods are arranged at intervals in the front-rear direction, and the inner frame, the first connecting rods and the second connecting rods form a four-bar mechanism, so that the height of the inner frame relative to the floor is adjusted. Further, the chassis assembly is connected with the inner frame, and the first driving assembly is arranged on the inner frame and used for driving one of the first connecting rod and the second connecting rod to rotate so as to drive the chassis assembly to move in the up-down direction, and then the adjustment of the height of the seat is realized. Therefore, the height adjustment of the chassis assembly can be realized according to the requirements and the selection of users, the adjusting capability of the seat framework of the vehicle is improved, different requirements of different passengers on the seat height can be met, and the use convenience and the comfort of the users are further improved.

According to some embodiments of the invention, the first drive assembly includes a first drive motor and a first gear. The first driving motor is arranged on the inner frame; the first gear is connected with an output shaft of the first driving motor, and one of the first connecting rods or one of the second connecting rods is provided with a first tooth part matched with the first gear.

According to some embodiments of the invention, the first drive assembly comprises a first drive motor provided on the inner frame, the first drive motor having a push rod rotatably connected to the floor.

According to some embodiments of the invention, the inner frame comprises: the device comprises a first rotating shaft, a second rotating shaft, a first fixing frame and a second fixing frame. The first rotating shaft and the second rotating shaft are parallel and are arranged at intervals in the front-rear direction, the first connecting rod is rotationally connected with the first rotating shaft, and the second connecting rod is rotationally connected with the second rotating shaft; the two ends of the first fixing frame in the length direction and the two ends of the second fixing frame in the length direction are respectively connected with the first rotating shaft and the second rotating shaft, the first fixing frame and the second fixing frame are respectively located at the two ends of the first rotating shaft in the length direction, and the first driving assembly is arranged on one of the first fixing frame and the second fixing frame and used for driving one of the first connecting rod or the second connecting rod to rotate.

In some embodiments of the present invention, the first link is located at a front side of the second link, and the first driving component is disposed at a front end of the first fixing frame or the second fixing frame, and the first driving component is connected to the first link and is used for driving the first link to rotate; or, the first driving component is arranged at the rear end of the first fixing frame or the second fixing frame, and is connected with the second connecting rod and used for driving the second connecting rod to rotate; or, the first driving component is arranged on the first fixing frame or the second fixing frame and is positioned in the middle area of the first fixing frame or the second fixing frame along the front-back direction, and the first driving component is connected with the first connecting rod or the second connecting rod and is used for driving the first connecting rod or the second connecting rod to rotate.

According to some embodiments of the invention, the chassis assembly comprises: the device comprises an outer frame assembly, a third connecting rod, a chassis assembly and a second driving assembly. The rear end of the outer frame assembly is rotationally connected with the inner frame, and the front end of the outer frame assembly is provided with a supporting rod extending along the left-right direction; one end of the third connecting rod is rotationally connected with the front end of the inner frame, and the other end of the third connecting rod is rotationally connected with the supporting rod; the front end of the chassis assembly is connected to the outer frame assembly; the second driving component is arranged on the inner frame and used for driving the third connecting rod to rotate so as to drive the front end of the outer frame component to move in the up-down direction.

In some embodiments of the invention, the second drive assembly includes a second drive motor and a second gear. The second driving motor is arranged on the inner frame; the second gear is connected with an output shaft of the second driving motor, and a second tooth part matched with the second gear is arranged on the third connecting rod.

In some embodiments of the invention, the third link comprises a first rod and a second rod, one end of the first rod is rotatably connected with the front end of the inner frame, one end of the second rod is connected with the other end of the first rod, the other end of the second rod is rotatably connected with the support rod, and the first rod and the second rod are at an angle to each other.

In some embodiments of the present invention, the third link is a plurality of third links spaced apart in a left-right direction, and the second driving assembly is configured to drive one of the third links to rotate.

In some embodiments of the invention, the seat frame of the vehicle further comprises a fourth link and a third drive assembly. The fourth connecting rod is rotatably arranged at the rear end of the inner frame outer frame assembly and is coaxial with the outer frame assembly, and the rear end of the chassis assembly is rotatably connected with the fourth connecting rod; the third driving assembly is arranged on the outer frame assembly and used for driving the fourth connecting rod to rotate so as to drive the rear end of the chassis assembly to move in the up-down direction.

In some embodiments of the invention, the fourth link comprises a third rod and a fourth rod, one end of the third rod being connected to a third drive assembly, one end of the fourth rod being connected to the other end of the third rod, the other end of the fourth rod being rotatably connected to the chassis assembly, the third rod and the fourth rod being at an angle to each other.

In some embodiments of the invention, the third drive assembly includes a third drive motor and a third gear. The third driving motor is arranged on the outer frame assembly; the third gear is connected with an output shaft of the third driving motor, and a third tooth part matched with the third gear is arranged on the fourth connecting rod.

In some embodiments of the present invention, the seat frame of the vehicle further comprises a back frame assembly connected to a rear end of the outer frame assembly.

In some embodiments of the invention, the back frame assembly comprises: a connection assembly, a back frame and a fourth drive assembly. The connecting component is connected with the outer frame component; the backrest frame is rotationally connected with the connecting component; the fourth driving component is arranged on the backrest frame and used for driving the backrest frame to rotate so as to adjust the angle of the backrest frame component.

In some embodiments of the invention, the fourth drive assembly includes a fourth drive motor and a fourth gear. The fourth driving motor is arranged on the backrest frame; the fourth gear is connected with an output shaft of the fourth driving motor, and a fifth gear matched with the fourth gear is arranged on the connecting assembly.

In some embodiments of the invention, the connection assembly comprises: the connecting plate and the rotation shaft. The connecting plates are two spaced apart in the left-right direction; the two ends of the length direction of the rotating shaft are connected with the connecting plates, and the backrest frame is rotationally connected with the rotating shaft.

According to some embodiments of the invention, the seat frame of the vehicle further includes a front-rear sliding assembly slidably provided on the floor panel in a front-rear direction, and lower ends of the first link and the second link are rotatably connected to the front-rear sliding assembly.

The vehicle comprises the seat framework of the vehicle.

According to the vehicle provided by the embodiment of the invention, the inner frame assembly is arranged into the inner frame, the plurality of first connecting rods and the plurality of second connecting rods, the lower ends of the first connecting rods and the second connecting rods are rotationally connected with the floor, the upper ends of the first connecting rods and the second connecting rods are rotationally connected with the inner frame, the first connecting rods and the second connecting rods are arranged at intervals in the front-rear direction, and the inner frame, the plurality of first connecting rods and the plurality of second connecting rods form a four-bar mechanism, so that the height of the inner frame relative to the floor is adjusted. Further, the chassis assembly is connected with the inner frame, and the first driving assembly is arranged on the inner frame and used for driving one of the first connecting rod and the second connecting rod to rotate so as to drive the chassis assembly to move in the up-down direction, and then the adjustment of the height of the seat is realized. Therefore, the height adjustment of the chassis assembly of the seat framework can be realized according to the requirements and the selection of a user, the adjusting capability of the seat of the vehicle is improved, the requirements of different passengers can be met, and the comfort and the experience of the user in using the vehicle are further improved.

Additional aspects and advantages of the 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.

Drawings

The foregoing and/or additional aspects and advantages of the invention will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:

fig. 1 is an exploded view of a seat frame of a vehicle according to an embodiment of the present invention;

FIG. 2 is a perspective view of a seat frame of a vehicle in which a chassis assembly is an exploded view according to an embodiment of the present invention;

FIG. 3 is a perspective view of a seat frame of a vehicle according to an embodiment of the invention, wherein the back frame assembly and the chassis assembly are not shown;

FIG. 4 is a perspective view of a seat frame of a vehicle according to an embodiment of the invention, wherein the back frame assembly and the chassis assembly are not shown;

fig. 5 is a perspective view of a seat frame of a vehicle according to an embodiment of the present invention, in which a back frame assembly and a chassis assembly are not shown and a driving motor is a screw motor;

fig. 6 is a perspective view of an inner frame assembly according to an embodiment of the invention;

FIG. 7 is a perspective view of an outer frame assembly according to an embodiment of the present invention;

FIG. 8 is a perspective view of a chassis assembly according to an embodiment of the present invention;

FIG. 9 is a side view of a seat of a vehicle in which the seat of the vehicle is in a lowered ride posture of the chassis assembly according to an embodiment of the invention;

FIG. 10 is a side view of a seat of a vehicle in which the seat of the vehicle is in a raised ride position with a chassis assembly according to an embodiment of the invention;

FIG. 11 is a side view of a seat of a vehicle in which the seat of the vehicle is in a zero gravity position in accordance with an embodiment of the invention;

fig. 12 is a side view of a seat of a vehicle in which the seat of the vehicle assumes a lying sleep position according to an embodiment of the invention.

Reference numerals:

100. a seat frame;

1. an inner frame assembly; 11. an inner frame; 111. a first rotation shaft; 112. a second rotation shaft; 113. a first fixing frame; 114. the second fixing frame; 12. a first link; 13. a second link; 131. a first tooth portion;

2. a chassis assembly; 21. an outer frame assembly; 211. a support rod; 22. a third link; 221. a first lever; 222. a second lever; 223. a second tooth portion; 23. a chassis assembly; 231. a fixed block; 24. a second drive assembly; 241. a second driving motor; 242. a second gear; 243. a second fixing plate;

3. a first drive assembly; 31. a first driving motor; 32. a first gear; 33. a push rod; 34. a first limit pin; 35. a first limiting plate; 36. a first fixing plate;

4. A fourth link; 41. a third lever; 42. a fourth lever; 43. a third tooth portion;

5. a third drive assembly; 51. a third driving motor; 52. a third gear;

6. a back frame assembly; 61. a connection assembly; 611. a connecting plate; 612. a rotating shaft; 62. a backrest frame; 63. a fourth drive assembly; 631. a fourth driving motor;

7. and a front-rear sliding assembly.

Detailed Description

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

In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention. Furthermore, features defining "first", "second" may include one or more such features, either explicitly or implicitly. In the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.

A seat frame 100 of a vehicle according to an embodiment of the present invention is described below with reference to fig. 1 to 12.

As shown in fig. 1 and 2, a seat frame 100 of a vehicle according to an embodiment of the present invention includes an inner frame assembly 1, a chassis assembly 2, and a first driving assembly 3.

Specifically, as shown in fig. 1, in combination with fig. 2 and 3, the inner frame assembly 1 includes an inner frame 11, a first link 12 and a second link 13, the first link 12 and the second link 13 being disposed at intervals in the front-rear direction, the first link 12 being connectable with the front end of the inner frame 11, and the second link 13 being connectable with the rear end of the inner frame 11. The first connecting rods 12 and the second connecting rods 13 are all a plurality of the connecting rods which are spaced apart along the left-right direction, so that a plurality of positions of the inner frame 11 in the left-right direction can be connected with the first connecting rods 12 and the second connecting rods 13, the connection between the inner frame 11 and the first connecting rods 12 and the connection between the inner frame 11 and the second connecting rods 13 are more stable, and stress at each connecting position is more uniform. The lower ends of the first connecting rod 12 and the second connecting rod 13 are rotationally connected with the floor, and the upper ends of the first connecting rod 12 and the second connecting rod 13 are rotationally connected with the inner frame 11, so that at least two groups of four-bar mechanisms can be formed, and the stability during linkage is ensured. The length and the inclination angle of the connection line of the connection points of the both ends of the plurality of first links 12 and the plurality of second links 13 may be equal, and the inner frame 11 may be made parallel to the floor. When one of the first connecting rods 12 or the second connecting rods 13 rotates, the other first connecting rods 12 and the second connecting rods 13 are driven to rotate together, so that the height of the inner frame 11 relative to the floor is adjusted.

Further, the chassis assembly 2 is connected with the inner frame 11, the chassis assembly 2 is located above the inner frame assembly 1, when the first connecting rod 12 and the second connecting rod 13 rotate, the chassis assembly 2 moves together with the inner frame 11 and changes in height relative to the floor, and therefore the adjusting capability of the chassis assembly 2 can be improved to meet different requirements of different users on the height. The first driving assembly 3 is disposed on the inner frame 11, and the first driving assembly 3 may be connected with the inner frame 11 by a bolt or other fastening member in a threaded manner, for driving one of the first link 12 and the second link 13 to rotate so as to drive the chassis assembly 2 to move in the up-down direction. The first driving component 3 is connected with and matched with one of the first connecting rods 12 or the second connecting rods 13, motion transformation and power transmission can be achieved, one of the first connecting rods 12 or the second connecting rods 13 rotates under the acting force provided by the first driving component 3, and accordingly other first connecting rods 12 and second connecting rods 13 are driven to rotate together, therefore, the height adjustment of the chassis assembly 2 and the inner frame 11 is achieved, namely the adjustment of the seat height is achieved, the adjustment capacity of the seat framework 100 of the vehicle is improved, a user can freely select the height of the chassis assembly 2 according to the driving gesture requirements of the user, different requirements of different passengers on the seat height can be met, and the use convenience and the comfort of the user are improved.

According to the seat frame 100 of the vehicle of the embodiment of the invention, by arranging the inner frame 11 assembly as the inner frame 11, the plurality of first links 12 and the plurality of second links 13, and the lower ends of the first links 12 and the second links 13 are rotatably connected with the floor, the upper ends of the first links 12 and the second links 13 are rotatably connected with the inner frame 11, the first links 12 and the second links 13 are arranged at intervals in the front-rear direction, and the inner frame 11, the plurality of first links 12 and the plurality of second links 13 constitute a four-bar mechanism, the adjustment of the height of the inner frame 11 relative to the floor is achieved. Further, the chassis assembly 2 is connected with the inner frame 11, and the first driving component 3 is arranged on the inner frame 11 and is used for driving one of the first connecting rod 12 and the second connecting rod 13 to rotate so as to drive the chassis assembly 2 to move in the up-down direction, so that the adjustment of the height of the seat is realized. Therefore, the height adjustment of the chassis assembly 2 can be realized according to the requirements and the selection of users, the adjusting capability of the seat framework 100 of the vehicle is improved, different requirements of different passengers on the seat height can be met, and the use convenience and the comfort of the users are further improved.

In some embodiments of the present invention, as shown in fig. 3 and 6, the first driving assembly 3 includes a first driving motor 31 and a first gear 32. The first driving motor 31 is arranged on the inner frame 11, for example, the first driving motor 31 can be in threaded connection with the inner frame 11 through fasteners such as bolts, mounting threaded holes are formed in the first driving motor 31, corresponding mounting holes are formed in the inner frame 11, and the bolts can be screwed into the threaded holes after penetrating through the mounting holes so as to fixedly connect the first driving motor 31 with the inner frame 11. Further, the first gear 32 is connected to the output shaft of the first driving motor 31, and the first driving motor 31 rotates the output shaft clockwise or counterclockwise by a certain angle after obtaining the signal, so as to drive the first gear 32 to rotate clockwise or counterclockwise together. One of the first connecting rods 12 or one of the second connecting rods 13 is provided with a first tooth part 131 matched with the first gear 32, the first tooth part 131 and the first gear 32 are kept meshed, when the first gear 32 rotates, one of the first connecting rods 12 or one of the second connecting rods 13 can be driven to rotate, so that all the first connecting rods 12 and the second connecting rods 13 rotate together, one end position of the first connecting rod 12 and one end position of the second connecting rod 13 connected with a floor are fixed, an inner frame 11 connected with the upper ends of the first connecting rod 12 and the second connecting rod 13 moves in the up-down direction, and further the adjustment of the height of the chassis assembly 2 in the up-down direction is achieved, and the adjustment of the seat height is achieved. By providing the first driving motor 31, the first gear 32 and the first tooth portion 131 which are matched with each other, the linkage stability of each structure can be ensured, so that the rotation directions of the first connecting rod 12 and the second connecting rod 13 are reversible, and the transmission effect is stable.

Further, the first driving assembly 3 further includes a first limiting pin 34 and a first limiting plate 35, the first limiting pin 34 is disposed above the first gear 32 and welded on the inner frame 11, one of the first connecting rods 12 or one of the second connecting rods 13 driven by the first driving assembly 3 is provided with a oblong hole through which the first limiting pin 34 passes, the oblong hole extends in the front-rear direction, and two ends of the first limiting plate 35 are respectively connected with the first limiting pin 34 and the first gear 32, thereby, when the first gear 32 rotates, it can be ensured that the first tooth 131 and the first gear 32 can always keep a meshed state, and further, stable matching and linkage of each assembly are ensured when adjustment of the seat height is realized.

In some embodiments of the invention, as shown in fig. 5, the first driving assembly 3 comprises a first driving motor 31, the first driving motor 31 is provided on the inner frame 11, the first driving motor 31 can be fixed with the inner frame 11 by being connected with a first fixing plate 36 welded on the inner frame 11 in a threaded manner, the first driving motor 31 is provided with a push rod 33, and the push rod 33 is connected with the floor in a rotating manner. One end of the push rod 33 is connected with the first driving motor 31, and one end of the push rod 33 far away from the first driving motor 31 is rotatably connected with the floor. When the first driving motor 31 is energized, the push rod 33 can be driven to extend or shorten, the push rod 33 drives the inner frame 11 to move through the first fixing plate 36 welded on the inner frame 11, and the first connecting rod 12 and the second connecting rod 13 rotate along with the push rod, so that the inner frame 11 and the chassis assembly 2 move in the up-down direction. Through the first driving motor 31 with the push rod 33, the number of elements which need to be matched and linked mutually is reduced, so that the structure is simplified, the installation and the maintenance are easy, and the stability of structural adjustment can be ensured.

In some embodiments of the present invention, as shown in fig. 6, in combination with fig. 3 and 4, the inner frame 11 includes: a first rotating shaft 111, a second rotating shaft 112, a first fixing frame 113 and a second fixing frame 114. The first rotating shaft 111 and the second rotating shaft 112 are parallel and are arranged at intervals in the front-rear direction, both ends of the first fixing frame 113 in the length direction and both ends of the second fixing frame 114 in the length direction are respectively connected with the first rotating shaft 111 and the second rotating shaft 112, the first fixing frame 113 and the second fixing frame 114 are respectively positioned at both ends of the first rotating shaft 111 in the length direction, and therefore the first rotating shaft 111, the second rotating shaft 112, the first fixing frame 113 and the second fixing frame 114 are mutually connected and fixed to form a rectangular whole, so that the chassis assembly 2 positioned above is conveniently received, and the structure is simple and stable.

Further, the first connecting rod 12 is rotatably connected with the first rotating shaft 111, the second connecting rod 13 is rotatably connected with the second rotating shaft 112, and the lower ends of the first connecting rod 12 and the second connecting rod 13 are rotatably connected with the floor, so that the first connecting rod 12 and the second connecting rod 13 close to the first fixing frame 113 can form a group of four-bar structures with the first fixing frame 113 and the floor, the first connecting rod 12 and the second connecting rod 13 close to the second fixing frame 114 can form a group of four-bar structures with the second fixing frame 114 and the floor, and the first connecting rod 12 and the second connecting rod 13 can drive the inner frame 11 to integrally move through at least two groups of four-bar structures by the first rotating shaft 111 and the second rotating shaft 112. The first driving assembly 3 is disposed on one of the first fixing frame 113 and the second fixing frame 114, and is used for driving one of the first connecting rods 12 or the second connecting rods 13 to rotate, so as to drive a plurality of groups of four-rod structures formed by the first connecting rods 12 and the second connecting rods 13, the inner frame 11 and the floor to move, and further realize movement of the inner frame 11 in the up-down direction. By adopting the structure, the linkage function is convenient to realize, and the motion stability of the adjusting mechanism is ensured.

In some embodiments of the present invention, as shown in fig. 6, in conjunction with fig. 3 and 5, the first connecting rod 12 is located at the front side of the second connecting rod 13, and the first driving component 3 is disposed at the front end of the first fixing frame 113 or the second fixing frame 114, so that the first driving component 3 is closer to the first connecting rod 12, and it is convenient for the first driving component 3 to connect and cooperate with the first connecting rod 12. The first driving component 3 is connected with the first connecting rod 12 and is used for driving the first connecting rod 12 to rotate. The first driving component 3 is connected with and matched with one of the first connecting rods 12, so that motion conversion and power transmission can be realized, and one of the first connecting rods 12 rotates under the acting force provided by the first driving component 3, so that other first connecting rods 12 and a plurality of second connecting rods 13 are driven to move with a plurality of groups of four-rod structures formed by the inner frame 11 and the floor, and further the movement of the inner frame 11 in the up-down direction is realized. Therefore, the height adjustment of the chassis assembly 2 and the inner frame 11 is realized, and the motion stability of the adjusting mechanism is ensured.

In some embodiments of the present invention, as shown in fig. 6, in conjunction with fig. 3 and 5, the first connecting rod 12 is located at the front side of the second connecting rod 13, and the first driving component 3 is disposed at the rear end of the first fixing frame 113 or the second fixing frame 114, so that the first driving component 3 is closer to the second connecting rod 13, and the first driving component 3 is convenient to connect and cooperate with the second connecting rod 13. The first driving component 3 is connected with the second connecting rod 13 and is used for driving the second connecting rod 13 to rotate. The first driving component 3 is connected with and matched with one of the second connecting rods 13, so that motion conversion and power transmission can be realized, and one of the second connecting rods 13 rotates under the acting force provided by the first driving component 3, so that other second connecting rods 13 and a plurality of first connecting rods 12 are driven to move with a plurality of groups of four-rod structures formed by the inner frame 11 and the floor, and further the movement of the inner frame 11 in the up-down direction is realized. Therefore, the height adjustment of the chassis assembly 2 and the inner frame 11 is realized, and the motion stability of the adjusting mechanism is ensured.

In some embodiments of the present invention, as shown in fig. 6, with reference to fig. 3 and 5, the first connecting rod 12 is located at the front side of the second connecting rod 13, and the first driving component 3 is disposed on the first fixing frame 113 or the second fixing frame 114 and located at the middle area of the first fixing frame 113 or the second fixing frame 114 along the front-rear direction, so that the distance between the first driving component 3 and the first connecting rod 12 and the second connecting rod 13 is moderate, and the first driving component 3 is convenient to connect and cooperate with the first connecting rod 12 or the second connecting rod 13. The first driving component 3 is connected with the first connecting rod 12 or the second connecting rod 13 and is used for driving the first connecting rod 12 or the second connecting rod 13 to rotate. The first driving component 3 is connected with and matched with one of the first connecting rods 12 or one of the second connecting rods 13, so that motion conversion and power transmission can be realized, and one of the first connecting rods 12 or one of the second connecting rods 13 rotates under the acting force provided by the first driving component 3, so that other first connecting rods 12 and second connecting rods 13 are driven to move with a plurality of groups of four-rod structures formed by the inner frame 11 and the floor, and further the movement of the inner frame 11 in the up-down direction is realized. Therefore, the height adjustment of the chassis assembly 2 and the inner frame 11 is realized, and the motion stability of the adjusting mechanism is ensured. The first driving unit 3 is provided in the middle region of the first mount 113 or the second mount 114 in the front-rear direction, and is not limited to the midpoint position of the first mount 113 or the second mount 114 in the front-rear direction, and may be located at any position between the front end and the rear end of the first mount 113 or the second mount 114.

In some embodiments of the present invention, as shown in fig. 1 and 2, in combination with fig. 3 and 8, the chassis assembly 2 includes: an outer frame assembly 21, a third link 22, a chassis assembly 23, and a second drive assembly 24. The rear end of the outer frame assembly 21 is rotatably connected with the inner frame 11, holes matched with the second rotating shafts 112 are respectively formed in two opposite sides of the rear end of the outer frame assembly 21, and the second rotating shafts 112 of the inner frame 11 are in shaft hole fit with the two holes of the outer frame assembly 21, so that the outer frame assembly 21 can rotate around the second rotating shafts 112. The front end of the outer frame assembly 21 is provided with a supporting rod 211 extending along the left-right direction, one end of the third connecting rod 22 is rotationally connected with the front end of the inner frame 11, namely, one end of the third connecting rod 22 is matched and connected with a shaft hole of the first rotating shaft 111 of the inner frame 11, so that the third connecting rod 22 can rotate around the first rotating shaft 111, the other end of the third connecting rod 22 is rotationally connected with the supporting rod 211, the third connecting rod 22 is provided with a hole matched with the supporting rod 211, and the supporting rod 211 passes through the hole on the third connecting rod 22, so that the third connecting rod 22 and the supporting rod 211 can rotate relatively. In addition, the front end of the chassis assembly 23 is connected to the outer frame assembly 21, as in the example shown in fig. 8, two fixing blocks 231 are disposed below the front end of the chassis assembly 23, the fixing blocks 231 have through holes penetrating in the left-right direction and matching with the support rods 211, the support rods 211 penetrate through the through holes of the two fixing blocks 231, so that the front end of the chassis assembly 23 is rotationally connected with the support rods 211, through the above structure, the outer frame assembly 21 and the chassis assembly 23 can move relative to the inner frame assembly 1 by shaft hole matching, the structure is simple and easy to implement, and the flexibility of structural adjustment is increased.

Further, the second driving assembly 24 is disposed on the inner frame 11, and a second fixing plate 243 is welded on the first rotating shaft 111 of the inner frame 11, and the second driving assembly 24 is fixed on the second fixing plate 243 for driving the third link 22 to rotate so as to drive the front end of the outer frame assembly 21 to move in the up-down direction. The second driving assembly 24 can realize motion transformation and power transmission, the third connecting rod 22 rotates around the first rotating shaft 111 under the acting force provided by the second driving assembly 24, so that the supporting rod 211 connected with the third connecting rod 22 moves in the up-down direction, the outer frame assembly 21 and the chassis assembly 23 rotate together around the second rotating shaft 112, and further the height adjustment of the front ends of the outer frame assembly 21 and the chassis assembly 23 is realized, namely the adjustment of the front end angle of the seat cushion of the seat is realized, the adjustment capability of the seat framework 100 of the vehicle is improved, and the zero gravity posture of the seat is realized.

In some embodiments of the present invention, as shown in fig. 2 and 6, the second driving assembly 24 includes: a second driving motor 241 and a second gear 242. The second driving motor 241 is provided on the inner frame 11, and for example, a second fixing plate 243 is welded to the first rotation shaft 111 of the inner frame 11, and the second driving motor 241 may be screwed to the second fixing plate 243 by a fastener such as a bolt. The second gear 242 is connected to an output shaft of the second driving motor 241, and the second driving motor 241 rotates the output shaft clockwise or counterclockwise by a certain angle after being energized to obtain a signal, so that the second gear 242 can be driven to rotate clockwise or counterclockwise together. The third connecting rods 22 are provided with second tooth parts 223 matched with the second gear 242, the second tooth parts 223 and the second gear 242 are kept meshed, when the second gear 242 rotates, one of the third connecting rods 22 can be driven to rotate, so that all the third connecting rods 22 rotate around the first rotating shaft 111 together, the supporting rods 211 of the outer frame assembly 21 move in the up-down direction, the outer frame assembly 21 and the chassis assembly 23 rotate around the second rotating shaft 112 together, and further, the height adjustment of the front ends of the outer frame assembly 21 and the chassis assembly 23 is realized, namely, the adjustment of the front end angle of the seat cushion of the seat is realized. By providing the second driving motor 241, the second gear 242 and the second tooth portion 223 which are matched with each other, the linkage stability of each structure can be ensured, so that the rotation direction of the third connecting rod 22 is reversible, and the transmission effect is stable.

Further, the second driving assembly 24 further includes a second limiting pin and a second limiting plate, the second limiting pin is disposed above the second gear 242 and welded on the second fixing plate 243, one of the third connecting rods 22 driven by the second driving assembly 24 is provided with a oblong hole through which the second limiting pin passes, and two ends of the second limiting plate are respectively connected with the second limiting pin and the second gear 242, thereby, when the second gear 242 rotates, it can be ensured that the second tooth 223 and the second gear 242 can keep in a meshed state all the time, and further, stable matching and linkage of each assembly is ensured when the adjustment of the front end angle of the seat cushion of the seat is realized.

In some embodiments of the present invention, as shown in fig. 2 and 6, the third link 22 includes a first lever 221 and a second lever 222, one end of the first lever 221 is rotatably connected to the front end of the inner frame 11, one end of the first lever 221 connected to the inner frame 11 is provided with a hole matching the first rotation shaft 111, and the first rotation shaft 111 passes through the hole of the first lever 221 to achieve the rotational connection between the first lever 221 and the first rotation shaft 111. One end of the second lever 222 is connected with the other end of the first lever 221, the first lever 221 and the second lever 222 may be fixedly connected with each other with a step bolt, the other end of the second lever 222 is rotatably connected with the support lever 211, and the first lever 221 and the second lever 222 are angled with each other. The third connecting rod 22 is arranged to be the first rod 221 and the second rod 222 which are at an angle, the movement of the supporting rod 211 in the up-down direction is realized through the rotation connection of the shaft hole matching more easily, the structural components can be linked smoothly, and the structure is simple and easy to realize.

In some embodiments of the present invention, as shown in fig. 2 and 6, the third links 22 are a plurality of spaced apart in the left-right direction, and the second driving assembly 24 is used to drive one of the third links 22 to rotate. The second driving assembly 24 is connected with and cooperates with one of the third connecting rods 22, wherein one of the third connecting rods 22 rotates around the first rotating shaft 111 under the action force provided by the second driving assembly 24, so that the other third connecting rods 22 are driven to rotate together, the supporting rods 211 connected with the plurality of third connecting rods 22 move in the up-down direction, the plurality of third connecting rods 22 can ensure the synchronism and the balance of the two sides of the supporting rods 211, the supporting rods 211 are ensured to be balanced in the moving process, and the adjustment stability of the seat framework 100 of the vehicle is improved.

In some embodiments of the present invention, as shown in fig. 1 and 7, the seat frame 100 of the vehicle further includes a fourth link 4 and a third drive assembly 5. The fourth connecting rod 4 is rotatably arranged at the rear end of the outer frame assembly 21, mounting columns are arranged on two opposite sides of the rear end of the outer frame assembly 21, and one end of the fourth connecting rod 4 is matched with a shaft hole of the mounting column to realize rotatable connection. The rear end of the chassis assembly 23 is rotationally connected with the fourth connecting rod 4, two opposite sides of the rear end of the chassis assembly 23 and the fourth connecting rod 4 are respectively provided with matched connecting holes, and the other end of the fourth connecting rod 4 is matched with the connecting holes of the chassis assembly 23 to realize rotatable connection. The third driving assembly 5 is provided on the outer frame assembly 21 for driving the fourth link 4 to rotate to drive the rear end of the chassis assembly 23 to move in the up-down direction. The third driving assembly 5 can realize motion transformation and power transmission, the fourth connecting rod 4 rotates around the axis of the mounting column at the rear end of the outer frame assembly 21 under the acting force provided by the third driving assembly 5, so that the rear end of the chassis assembly 23 connected with the fourth connecting rod 4 moves in the up-down direction, the chassis assembly 23 rotates around the supporting rod 211 of the outer frame assembly 21, the height adjustment of the rear end of the chassis assembly 23 is realized, namely, the adjustment of the angle of the rear end of the seat cushion of the seat is realized, and the adjustment capability of the seat framework 100 of the vehicle is improved. When the user has the requirement of lying sleeping posture, the height adjustment of the rear end of the chassis assembly 23 is beneficial to eliminating the break difference between the rear end of the cushion of the seat and the backrest of the seat, so that the lumbar support force of the lying user is increased, and the comfort of the user is improved.

In some embodiments of the present invention, as shown in fig. 2 and 4, the fourth link 4 includes a third lever 41 and a fourth lever 42, one end of the third lever 41 is connected to the third driving assembly 5, the third driving assembly 5 may drive the third lever 41 to rotate about an output shaft axis of the third driving assembly 5, one end of the fourth lever 42 is connected to the other end of the third lever 41, the third lever 41 and the fourth lever 42 may be fixedly connected with a stepped bolt, the other end of the fourth lever 42 is rotatably connected to the chassis assembly 23, two opposite sides of the rear end of the chassis assembly 23 and the fourth lever 42 are respectively provided with a matched connection hole, and the other end of the fourth lever 42 is cooperatively rotatably connected with the connection hole of the chassis assembly 23. The third rod 41 and the fourth rod 42 are mutually angled, the rear end of the chassis assembly 23 can move in the up-down direction easily through shaft hole matched rotation connection, and all structural components can be linked smoothly, so that the structure is simple and easy to realize.

In some embodiments of the present invention, as shown in fig. 2 and 4, the third driving assembly 5 includes a third driving motor 51 and a third gear 52. The third driving motor 51 is provided on the outer frame assembly 21, and for example, the third driving motor 51 may be screwed to the outer frame assembly 21 by a fastener such as a bolt. The third gear 52 is connected to the output shaft of the third driving motor 51, and the third driving motor 51 rotates the output shaft clockwise or counterclockwise by a certain angle after being energized to obtain a signal, so that the third gear 52 can be driven to rotate clockwise or counterclockwise together. The fourth link 4 is provided with a third tooth portion 43 engaged with the third gear 52. The third rod 41 of the fourth connecting rod 4 is provided with a circular through hole, the third tooth part 43 is arranged along the periphery of the circular through hole, the circular through hole on the third rod 41 is sleeved on the third gear 52, so that the third tooth part 43 and the third gear 52 are meshed, when the third gear 52 rotates, the third rod 41 can be driven to rotate around the output shaft axis of the third driving motor 51, the third rod 41 drives the fourth rod 42 to move, the rear end of the chassis assembly 23 connected with the fourth rod 42 moves in the up-down direction, the chassis assembly 23 rotates around the supporting rod 211 of the outer frame assembly 21, and further the height adjustment of the rear end of the chassis assembly 23 is realized, namely the adjustment of the rear end angle of the seat cushion of the seat is realized. By providing the third driving motor 51, the third gear 52 and the third tooth part 43 which are matched with each other, the linkage stability of each structure can be ensured, so that the rotation direction of the fourth connecting rod 4 is reversible, and the transmission effect is stable.

In some embodiments of the present invention, as shown in fig. 1, 2 and 7, the seat frame 100 of the vehicle further includes a back frame assembly 6, and the back frame assembly 6 is connected to a rear end of the outer frame assembly 21. Two opposite sides of the rear end of the outer frame assembly 21 are respectively provided with two mounting holes for being in threaded connection with the backrest frame assembly 6 through fasteners such as bolts, the mounting is simple, the disassembly is convenient, and the assembly and maintenance cost of the seat framework 100 of the vehicle can be reduced.

In some embodiments of the present invention, as shown in fig. 1 and 2, the back frame assembly 6 includes a connection assembly 61, a back frame 62, and a fourth drive assembly 63. The connecting component 61 is connected with the outer frame component 21, and the connecting component 61 is provided with a round hole matched with a mounting hole on the outer frame component 21, so that the connecting component 61 and the outer frame component 21 are conveniently in threaded connection and fixation. The backrest frame 62 is rotatably connected to the connection assembly 61, and the fourth driving assembly 63 is disposed on the backrest frame 62 and is used for driving the backrest frame 62 to rotate to adjust the angle of the backrest frame assembly 6. The fourth driving component 63 can realize motion transformation and power transmission, so that the fourth driving component 63 rotates relative to the connecting component 61, thereby driving the backrest frame 62 to rotate, further realizing the angle adjustment of the backrest frame component 6, namely realizing the adjustment of the angle of the backrest of the seat, and improving the adjustment capability of the seat framework 100 of the vehicle. Simple structure, convenient equipment.

In some embodiments of the present invention, as shown in fig. 1 and 2, the fourth driving assembly 63 includes: a fourth drive motor 631 and a fourth gear. The fourth driving motor 631 is provided on the back frame 62, and for example, the fourth driving motor 631 may be screwed to the back frame 62 by a fastener such as a bolt. The fourth gear is connected with the output shaft of the fourth driving motor 631, and the fourth driving motor 631 can drive the fourth gear to rotate clockwise or anticlockwise together by rotating the output shaft clockwise or anticlockwise by a certain angle after being electrified to obtain a signal. The connecting component 61 is provided with a fifth gear matched with the fourth gear, the fourth gear and the fifth gear are meshed, when the fourth gear rotates, the fourth gear and the fifth gear are propped against each other to generate acting force, so that the fourth driving component 63 rotates around the axis of the fifth gear, and further the backrest frame 62 connected with the fourth driving component 63 is driven to rotate, and the angle adjustment of the backrest frame component 6, namely the angle adjustment of the backrest of the chair, is realized. By providing the fourth driving motor 631, the fourth gear and the fifth gear which are matched with each other, the linkage stability of each structure can be ensured, so that the rotation direction of the backrest frame 62 is reversible, and the transmission effect is stable.

In some embodiments of the present invention, as shown in fig. 1 and 2, the connection assembly 61 includes a connection plate 611 and a rotation shaft 612. The two connection plates 611 are spaced apart in the left-right direction, and connect the back frame 62 and the outer frame assembly 21 on both sides of the back frame 62, respectively, so that the synchronization and the balance on both sides of the back frame 62 can be maintained when the angle of the back frame assembly 6 is adjusted, and the stability of the back frame 62 can be improved. The two ends of the length direction of the rotating shaft 612 are connected with the connecting plate 611, the backrest frame 62 is rotationally connected with the rotating shaft 612, the rotating shaft 612 is provided with a fifth gear matched with a fourth gear, the axis of the rotating shaft 612 is collinear with the axis of the fifth gear, the fourth gear and the fifth gear are meshed, when the fourth gear is driven to rotate by the output shaft of the fourth driving motor 631, the fourth gear and the fifth gear are propped against each other to generate acting force, so that the fourth driving assembly 63 rotates around the axis of the fifth gear, and the backrest frame 62 connected with the fourth driving assembly 63 is driven to rotate around the rotating shaft 612, the angle adjustment of the backrest frame assembly 6 is realized, namely the angle adjustment of the backrest of the seat is realized, and the adjusting capability of the seat framework 100 of the vehicle is improved.

In some embodiments of the present invention, as shown in fig. 1 and 2, the seat frame 100 of the vehicle further includes a front-rear sliding assembly 7, the front-rear sliding assembly 7 being slidably disposed on the floor in a front-rear direction, the front-rear sliding assembly 7 having an upper rail and a lower rail fixedly coupled to the floor, the upper rail being engageable with the lower rail and being slidable back-forth relative to the lower rail. The lower ends of the first connecting rod 12 and the second connecting rod 13 are rotationally connected with the front-back sliding assembly 7, the upper sliding rail and the lower sliding rail are a plurality of corresponding to the first connecting rod 12 and the second connecting rod 13, the upper sliding rail is provided with fixed angle blocks corresponding to the first connecting rod 12 and the second connecting rod 13, and the lower ends of the first connecting rod 12 and the second connecting rod 13 are rotationally connected with the upper sliding rail through the fixed angle blocks. The upper slide rail is connected with a driving component for driving the upper slide rail to move in the front-rear direction relative to the lower guide rail, so that the position adjustment of the seat framework 100 of the vehicle in the front-rear direction is realized, namely the adjustment of the front-rear movement of the seat is realized. The adjusting capability of the seat frame 100 of the vehicle is improved, and different requirements of different passengers on the front and rear positions of the seat can be met, so that the use convenience and comfort of a user are improved.

In some embodiments of the present invention, as illustrated in fig. 9 and 10, which are examples of the riding posture of the seat of the vehicle, fig. 9 is the riding posture of the chassis assembly 2 at a lowered height, and fig. 10 is the riding posture of the chassis assembly 2 at a raised height, the seat frame 100 may achieve the riding posture of the vehicle suitable for the user by the height adjustment of the chassis assembly 2, the angle adjustment of the back frame assembly 6, and the position adjustment of the seat frame 100 of the vehicle in the front-rear direction. As illustrated in fig. 11, for the zero-gravity posture of the seat of the vehicle, the seat frame 100 can achieve the zero-gravity posture of the seat suitable for the user by the height adjustment of the front ends of the outer frame assembly 21 and the chassis assembly 23, the angle adjustment of the back frame assembly 6, and the position adjustment of the seat frame 100 of the vehicle in the front-rear direction. As illustrated in fig. 12, for example, in the lying sleep posture of the seat of the vehicle, the seat frame 100 can achieve the lying sleep posture of the seat suitable for the user by the height adjustment of the rear end of the chassis assembly 23, the angle adjustment of the back frame assembly 6, and the position adjustment of the seat frame 100 of the vehicle in the front-rear direction. The seat of the vehicle can realize compatibility of various postures, accords with ergonomics, can meet various use modes such as sitting postures, leisure postures, lying postures and the like of a user, and ensures that the user can sit on the seat of the vehicle in a comfortable posture.

A vehicle according to an embodiment of the present invention is described below.

A vehicle according to an embodiment of the present invention includes the seat frame 100 of the vehicle described above.

Specifically, as shown in fig. 1, in combination with fig. 2 and 3, a seat frame 100 of a vehicle includes an inner frame assembly 1, a chassis assembly 2, and a first drive assembly 3. The inner frame assembly 1 comprises an inner frame 11, a first connecting rod 12 and a second connecting rod 13, wherein the first connecting rod 12 and the second connecting rod 13 are arranged at intervals in the front-back direction, the first connecting rod 12 can be connected with the front end of the inner frame 11, the second connecting rod 13 can be connected with the rear end of the inner frame 11, and the first connecting rod 12 and the second connecting rod 13 are all arranged at intervals in the left-right direction, so that multiple parts of the inner frame 11 in the left-right direction can be connected with the first connecting rod 12 and the second connecting rod 13, the connection between the inner frame 11 and the first connecting rod 12 and the second connecting rod 13 is more stable, and stress at each connection part is more uniform. The lower ends of the first connecting rod 12 and the second connecting rod 13 are rotationally connected with the floor, and the upper ends of the first connecting rod 12 and the second connecting rod 13 are rotationally connected with the inner frame 11, so that at least two groups of four-bar mechanisms can be formed, and the stability during linkage is ensured. The length and the inclination angle of the connection line of the connection points of the both ends of the plurality of first links 12 and the plurality of second links 13 may be equal, and the inner frame 11 may be made parallel to the floor. When one of the first connecting rods 12 or the second connecting rods 13 rotates, the other first connecting rods 12 and the second connecting rods 13 are driven to rotate together, so that the height of the inner frame 11 relative to the floor is adjusted.

Further, the chassis assembly 2 is connected with the inner frame 11, the chassis assembly 2 is located above the inner frame assembly 1, when the first connecting rod 12 and the second connecting rod 13 rotate, the chassis assembly 2 moves together with the inner frame 11 and changes in height relative to the floor, and therefore the adjusting capability of the chassis assembly 2 can be improved to meet different requirements of different users on the height. The first driving assembly 3 is disposed on the inner frame 11, and the first driving assembly 3 may be connected with the inner frame 11 by a bolt or other fastening member in a threaded manner, for driving one of the first link 12 and the second link 13 to rotate so as to drive the chassis assembly 2 to move in the up-down direction. The first driving component 3 is connected with and matched with one of the first connecting rods 12 or the second connecting rods 13, motion transformation and power transmission can be achieved, one of the first connecting rods 12 or the second connecting rods 13 rotates under the acting force provided by the first driving component 3, and accordingly other first connecting rods 12 and second connecting rods 13 are driven to rotate together, so that the height adjustment of the chassis assembly 2 and the inner frame 11 is achieved, namely the adjustment of the seat height is achieved, the adjustment capacity of the seat of a vehicle is improved, a user can freely adjust the height of the seat of the vehicle according to the requirement of the user on driving posture, the requirement of different passengers is met, and the comfort and experience of the user on using the vehicle are improved.

According to the vehicle of the embodiment of the invention, the inner frame 11 assembly is provided with the inner frame 11, the plurality of first connecting rods 12 and the plurality of second connecting rods 13, the lower ends of the first connecting rods 12 and the second connecting rods 13 are rotatably connected with the floor, the upper ends of the first connecting rods 12 and the second connecting rods 13 are rotatably connected with the inner frame 11, the first connecting rods 12 and the second connecting rods 13 are arranged at intervals in the front-rear direction, and the inner frame 11, the plurality of first connecting rods 12 and the plurality of second connecting rods 13 form a four-bar mechanism, so that the height of the inner frame 11 relative to the floor is adjusted. Further, the chassis assembly 2 is connected with the inner frame 11, and the first driving component 3 is arranged on the inner frame 11 and is used for driving one of the first connecting rod 12 and the second connecting rod 13 to rotate so as to drive the chassis assembly 2 to move in the up-down direction, so that the adjustment of the height of the seat is realized. Therefore, the height adjustment of the chassis assembly 2 of the seat framework 100 can be realized according to the requirements and the selection of users, the adjustment capability of the seat of the vehicle is improved, the requirements of different passengers can be met, and the comfort and the experience of the users in using the vehicle are further improved. Other configurations of a vehicle according to an embodiment of the present invention, such as a seat, a seat cushion and a backrest of a seat, etc., are known to those of ordinary skill in the art and will not be described in detail herein.

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

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the invention, the scope of which is defined by the claims and their equivalents.

Claims

1. A seat frame for a vehicle, comprising:

the inner frame assembly comprises an inner frame, a first connecting rod and a second connecting rod, wherein the first connecting rod and the second connecting rod are arranged at intervals in the front-rear direction, the first connecting rod and the second connecting rod are a plurality of connecting rods which are spaced apart in the left-right direction, the lower ends of the first connecting rod and the second connecting rod are rotationally connected with a floor, and the upper ends of the first connecting rod and the second connecting rod are rotationally connected with the inner frame;

The chassis assembly is connected with the inner frame;

and the first driving assembly is arranged on the inner frame and is used for driving one of the first connecting rod and the second connecting rod to rotate so as to drive the chassis assembly to move in the up-down direction.

2. The vehicle seat frame of claim 1, wherein the first drive assembly comprises:

the first driving motor is arranged on the inner frame;

the first gear is connected with an output shaft of the first driving motor, and one of the first connecting rods or one of the second connecting rods is provided with a first tooth part matched with the first gear.

3. The vehicle seat frame of claim 1, wherein the first drive assembly comprises:

the first driving motor is arranged on the inner frame and is provided with a push rod, and the push rod is rotationally connected with the floor.

4. The vehicle seat frame according to claim 1, wherein the inner frame includes:

the first rotating shaft and the second rotating shaft are parallel and are arranged at intervals in the front-rear direction, the first connecting rod is rotationally connected with the first rotating shaft, and the second connecting rod is rotationally connected with the second rotating shaft;

The first fixing frame and the second fixing frame, the both ends of first fixing frame length direction and the both ends of second fixing frame length direction respectively with first axis of rotation with second axis of rotation is connected, first fixing frame with the second fixing frame is located respectively first axis of rotation length direction's both ends, first drive assembly locates on first fixing frame with one of the second fixing frame for one of them first connecting rod or second connecting rod rotates.

5. The vehicle seat frame according to claim 4, wherein the first link is located on a front side of the second link,

the first driving component is arranged at the front end of the first fixing frame or the second fixing frame, and is connected with the first connecting rod and used for driving the first connecting rod to rotate;

or, the first driving component is arranged at the rear end of the first fixing frame or the second fixing frame, and is connected with the second connecting rod and used for driving the second connecting rod to rotate;

or, the first driving component is arranged on the first fixing frame or the second fixing frame and is positioned in the middle area of the first fixing frame or the second fixing frame along the front-back direction, and the first driving component is connected with the first connecting rod or the second connecting rod and is used for driving the first connecting rod or the second connecting rod to rotate.

6. The vehicle seat frame of claim 1, wherein the chassis assembly comprises:

the rear end of the outer frame assembly is rotationally connected with the inner frame, and the front end of the outer frame assembly is provided with a supporting rod extending along the left-right direction;

one end of the third connecting rod is rotationally connected with the front end of the inner frame, and the other end of the third connecting rod is rotationally connected with the supporting rod;

the front end of the chassis assembly is connected to the outer frame assembly;

the second driving assembly is arranged on the inner frame and used for driving the third connecting rod to rotate so as to drive the front end of the outer frame assembly to move in the up-down direction.

7. The vehicle seat frame of claim 6, wherein the second drive assembly comprises:

the second driving motor is arranged on the inner frame;

the second gear is connected with an output shaft of the second driving motor, and a second tooth part matched with the second gear is arranged on the third connecting rod.

8. The vehicle seat frame according to claim 6, wherein the third link includes a first lever and a second lever, one end of the first lever is rotatably connected to the front end of the inner frame, one end of the second lever is connected to the other end of the first lever, the other end of the second lever is rotatably connected to the support lever, and the first lever and the second lever are angled with respect to each other.

9. The vehicle seat frame according to claim 6, wherein the third link is a plurality of links spaced apart in the left-right direction, and the second driving assembly is configured to drive one of the third links to rotate.

10. The seat frame of a vehicle according to claim 6, characterized by further comprising:

the fourth connecting rod is rotatably arranged at the rear end of the outer frame assembly, and the rear end of the chassis assembly is rotatably connected with the fourth connecting rod;

and the third driving assembly is arranged on the outer frame assembly and is used for driving the fourth connecting rod to rotate so as to drive the rear end of the chassis assembly to move in the up-down direction.

11. The vehicle seat frame of claim 10, wherein the fourth link includes a third lever and a fourth lever, one end of the third lever being connected to a third drive assembly, one end of the fourth lever being connected to the other end of the third lever, the other end of the fourth lever being rotatably connected to the chassis assembly, the third lever and the fourth lever being angled with respect to each other.

12. The vehicle seat frame according to claim 10, wherein the third drive assembly includes:

The third driving motor is arranged on the outer frame assembly;

and the third gear is connected with an output shaft of the third driving motor, and a third tooth part matched with the third gear is arranged on the fourth connecting rod.

13. The seat frame of a vehicle according to claim 6, characterized by further comprising:

and the backrest frame assembly is connected with the rear end of the outer frame assembly.

14. The vehicle seat frame of claim 13, wherein the back frame assembly comprises:

the connecting assembly is connected with the outer frame assembly;

the backrest frame is rotationally connected with the connecting component;

and the fourth driving assembly is arranged on the backrest frame and used for driving the backrest frame to rotate so as to adjust the angle of the backrest frame assembly.

15. The vehicle seat frame according to claim 14, wherein the fourth drive assembly includes:

the fourth driving motor is arranged on the backrest frame;

and the fourth gear is connected with an output shaft of the fourth driving motor, and a fifth gear matched with the fourth gear is arranged on the connecting assembly.

16. The vehicle seat frame of claim 14, wherein the connection assembly comprises:

the connecting plates are two, which are spaced apart in the left-right direction;

and the two ends of the length direction of the rotating shaft are connected with the connecting plates, and the backrest frame is rotationally connected with the rotating shaft.

17. The seat frame of a vehicle according to claim 1, characterized by further comprising:

the front-back sliding assembly is slidably arranged on the floor along the front-back direction, and the lower ends of the first connecting rod and the second connecting rod are rotationally connected with the front-back sliding assembly.

18. A vehicle comprising a seat frame of a vehicle according to any one of claims 1-17.