CN213442191U - Vehicle seat tilting device and racing vehicle - Google Patents

Abstract

The embodiment of the application provides a vehicle seat tilting means and vehicle of racing. The vehicle seat reclining device includes a fixing base, a seat, and a driving mechanism. The bottom of the seat is provided with a rotating seat which is rotationally connected with the fixed seat; the rotating seat is provided with a swinging end; the driving mechanism comprises a driving assembly and a driving rod, the driving assembly is arranged on the fixing seat, one end of the driving rod is connected with the driving assembly in a rotating mode, the other end of the driving rod is connected with the swinging end, and the driving assembly drives the driving rod to drive the swinging end to move towards the direction far away from or close to the fixing seat. According to the vehicle seat tilting device and the racing vehicle, when the racing vehicle turns at a high speed, a driver does not need to swing the body, and the seat can swing through the driving mechanism, so that the seat and the driver tilt together, the gravity center of the vehicle can be effectively changed, and the safety performance of the racing vehicle when turning at a high speed is effectively improved.

Description

Vehicle seat tilting device and racing vehicle

Technical Field

The application relates to the technical field of vehicles, in particular to a vehicle seat tilting device and a racing vehicle.

Background

Racing vehicles like carting cars often have a large roll moment when negotiating bends at high speeds, which puts the vehicle at risk of rollover. Experienced drivers can only tilt the vehicle's center of gravity towards the inside of the curve with a limited tilting upper body to reduce the risk of rollover. However, this increases the operation burden on the driver, and since the driver wears a seat belt, the distance over which the driver can lean is too small, and the effect of changing the center of gravity of the vehicle is not good.

SUMMERY OF THE UTILITY MODEL

An object of the embodiment of the application is to provide a vehicle seat tilting device and a racing vehicle, which are used for solving the problem that a traditional vehicle seat is inconvenient for a driver to turn sideways when the vehicle turns at a high speed.

An embodiment of the present application provides a reclining device of a vehicle seat, including:

a fixed seat;

the bottom of the seat is provided with a rotating seat, and the rotating seat is rotatably connected with the fixed seat; the rotating seat is provided with a swinging end;

drive mechanism, drive mechanism includes drive assembly and actuating lever, drive assembly set up in on the fixing base, the one end of actuating lever with drive assembly rotates to be connected, the other end with the swing end is connected, the drive assembly drive the actuating lever drives swing end is towards keeping away from or being close to the direction motion of fixing base.

In one embodiment, the driving assembly comprises a driving part, a sliding part and a sliding rail, the sliding rail and the driving part are respectively arranged on the fixed seat, the driving part is in driving connection with the sliding part, and the sliding part is arranged on the sliding rail in a sliding manner; one end of the driving rod, which is far away from the rotating seat, is rotatably connected with the sliding part.

In one embodiment, the driving part is a driving motor, the sliding part is provided with a rack, an output shaft of the driving part is sleeved with a gear, and the gear is meshed with the rack.

In one embodiment, the reclining device of a vehicle seat further includes a rotating shaft, the fixed seat and the rotating seat are respectively provided with a first rotating hole and a second rotating hole, the first rotating hole is communicated with the second rotating hole, and the rotating shaft is respectively penetrated through the first rotating hole and the second rotating hole.

In one embodiment, the cross section of at least one of the rotating seat and the fixed seat along the radial direction of the rotating shaft is triangular; the vertex angle of the triangular section of the rotating seat faces towards the fixed seat, and/or the vertex angle of the triangular section of the fixed seat faces towards the rotating seat.

In one embodiment, the fixing seat is provided with a groove, the first rotating hole comprises a first through hole and a second through hole, the first through hole and the second through hole are respectively communicated with the groove, the rotating seat is provided with a vertex part, the vertex part is positioned in the groove, the first through hole, the second rotating hole and the second through hole are sequentially communicated, and the rotating shaft sequentially penetrates through the first through hole, the second rotating hole and the second through hole.

In one embodiment, the fixed seat comprises a seat body and two mounting rods, the seat body is rotatably connected with the rotating seat, the seat body is provided with a mounting side surface, one mounting rod is convexly arranged or penetrated at one end of the mounting side surface, and the other mounting rod is convexly arranged or penetrated at the other end of the mounting side surface; the driving part is arranged on the mounting side face, one end of the sliding rail is connected with one mounting rod, and the other end of the sliding rail is connected with the other mounting rod.

In one embodiment, a connecting shaft is convexly arranged on the side surface of the swinging end, and one end of the driving rod, which is far away from the sliding part, is rotatably connected with the connecting shaft.

In one embodiment, the distance between the swinging end and the fixed seat is a swinging distance, and the length of the driving rod is greater than or equal to two times of the swinging distance.

A racing vehicle comprises a vehicle body and a vehicle seat tilting device as described in any one of the above embodiments, wherein the fixed seat is arranged on the vehicle body.

In one embodiment, the racing vehicle further comprises a steering wheel angle sensor, a wheel speed sensor, a steering wheel arranged on the steering wheel, a wheel and a controller arranged on the vehicle body, and the wheel speed sensor is arranged on the wheel; the steering wheel corner sensor and the wheel speed sensor are electrically connected with the controller respectively, and the controller is electrically connected with the driving assembly.

According to the vehicle seat tilting device and the racing vehicle, the vehicle seat tilting device comprises the seat and the fixed seat, the seat is rotatably arranged on the fixed seat through the rotating seat, and the driving mechanism is arranged on the fixed seat and drives the driving rod of the driving mechanism to move through the driving assembly of the driving mechanism, so that the rotating seat is driven to rotate, and the swinging end of the rotating seat is close to or far away from the fixed seat; therefore, when the racing vehicle turns at a high speed, the driver does not need to swing the body, and the seat can swing through the driving mechanism, so that the seat and the driver incline together, the gravity center of the vehicle can be effectively changed, and the safety performance of the racing vehicle during the high-speed turning is effectively improved.

Additional features and advantages of the disclosure will be set forth in the description which follows, or in part may be learned by the practice of the above-described techniques of the disclosure, or may be learned by practice of the disclosure.

In order to make the aforementioned objects, features and advantages of the present application more comprehensible, preferred embodiments accompanied with figures are described in detail below.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments of the present application will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and that those skilled in the art can also obtain other related drawings based on the drawings without inventive efforts.

FIG. 1 is a schematic structural view of a reclining device of a vehicle seat according to an embodiment of the present application;

FIG. 2 is an enlarged partial schematic view of the reclining device of a vehicle seat shown in FIG. 1 at A;

fig. 3 is a partially enlarged schematic view of the reclining device of a vehicle seat shown in fig. 1 at B.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present application without making any creative effort, shall fall within the protection scope of the present application.

In this application, the terms "upper", "lower", "left", "right", "front", "rear", "top", "bottom", "inner", "outer", "middle", "vertical", "horizontal", "lateral", "longitudinal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings. These terms are used primarily to better describe the present application and its embodiments, and are not used to limit the indicated devices, elements or components to a particular orientation or to be constructed and operated in a particular orientation.

Moreover, some of the above terms may be used to indicate other meanings besides the orientation or positional relationship, for example, the term "on" may also be used to indicate some kind of attachment or connection relationship in some cases. The specific meaning of these terms in this application will be understood by those of ordinary skill in the art as appropriate.

Furthermore, the terms "mounted," "disposed," "provided," "connected," and "connected" are to be construed broadly. For example, it may be a fixed connection, a removable connection, or a unitary construction; can be a mechanical connection, or a point connection; either directly or indirectly through intervening media, or may be an internal communication between two devices, elements or components. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.

Furthermore, the terms "first," "second," and the like, are used primarily to distinguish one device, element, or component from another (the specific nature and configuration may be the same or different), and are not used to indicate or imply the relative importance or number of the indicated devices, elements, or components. "plurality" means two or more unless otherwise specified.

As shown in fig. 1, a reclining device 10 of a vehicle seat according to an embodiment includes a fixing base 100, a seat 200, and a driving mechanism 300. The bottom of the seat 200 is provided with a rotating seat 400, and the rotating seat 400 is rotatably connected with the fixed seat 100; the rotating base 400 has a swing end 410; the driving mechanism 300 includes a driving component 310 and a driving rod 320, the driving component 310 is disposed on the fixing base 100, one end of the driving rod 320 is rotatably connected to the driving component 310, the other end of the driving rod 320 is connected to the swinging end 410, and the driving component 310 drives the driving rod 320 to drive the swinging end 410 to move in a direction away from or close to the fixing base 100. In the present embodiment, referring to the driver himself, one end of the driving rod 320 far from the driving assembly 310 is rotatably connected to the left end or the right end of the rotating seat 400, that is, the left end or the right end of the rotating seat 400 may be a swinging end 410. In one embodiment, an end of the driving rod 320 far away from the driving assembly 310 is rotatably connected to a left end or a right end of the back surface of the rotary base 400.

The vehicle seat reclining device 10 includes the seat 200 and the fixed seat 100, wherein the seat 200 is rotatably disposed on the fixed seat 100 through the rotating seat 400, and since the driving mechanism 300 is disposed on the fixed seat 100 and the driving assembly 310 of the driving mechanism 300 drives the driving rod 320 of the driving mechanism 300 to move, the rotating seat 400 is driven to rotate, so that the swinging end 410 of the rotating seat 400 is close to or far away from the fixed seat 100; therefore, when the racing vehicle turns at a high speed, the driver does not need to swing the body, the seat 200 can swing through the driving mechanism 300, so that the seat 200 and the driver incline together, the gravity center of the vehicle can be effectively changed, and the safety performance of the racing vehicle during the high-speed turning is effectively improved.

In one embodiment, the rotary seat 400 is fixedly connected to the bottom of the seat 200. In one embodiment, the rotary seat 400 is integrally formed with the bottom of the seat 200, so that the combination mechanism of the seat 200 and the rotary seat 400 is compact and firm, and the firmness of the seat 200 and the stability of the seat 200 in swinging are improved.

In order to facilitate the driving assembly 310 to control the driving rod 320 to drive the rotating base 400 to swing, in one embodiment, as shown in fig. 2, the driving assembly 310 includes a driving portion 311, a sliding portion 312 and a sliding rail 313, the sliding rail 313 and the driving portion 311 are respectively disposed on the fixing base 100, the driving portion 311 is in driving connection with the sliding portion 312, and the sliding portion 312 is slidably disposed on the sliding rail 313; one end of the driving rod 320 far away from the rotating base 400 is rotatably connected to the sliding portion 312. Due to the arrangement of the matching of the sliding part 312 and the sliding rail 313, when the driving part 311 drives the sliding part 312 to slide on the sliding rail 313, the end of the driving rod 320 connected with the sliding part 312 has a tendency to be far away from or close to the swinging end 410, and when the sliding part 312 is far away from the swinging end 410 on the sliding rail 313, the end of the driving rod 320 connected with the sliding part 312 has a tendency to be far away from the swinging end 410, so that the driving rod 320 pulls the swinging end 410 to descend, so that the seat 200 swings downwards along with the rotating seat 400 towards the swinging end 410, namely the seat 200 swings towards the swinging end 410; when the sliding part 312 approaches the swinging end 410 on the sliding rail 313, the end of the driving lever 320 connected with the sliding part 312 has a tendency to approach the swinging end 410, so that the driving lever 320 pushes the swinging end 410 to ascend, thereby causing the seat 200 to swing upward along with the rotating seat 400 toward the swinging end 410, i.e., the seat 200 swings toward the other end; when the sliding portion 312 is located right below the swinging end 410, that is, when one end of the driving rod 320 away from the rotating seat 400 is located right below the swinging end 410, the driving rod 320 is in a vertical state, and at this time, the interval between the swinging end 410 and the fixed seat 100 is the largest, and the swinging of the seat 200 toward the other end is also limited.

In order to facilitate the control of the swinging speed and the swinging arc of the seat 200, in one embodiment, as shown in fig. 2, the driving part 311 is a driving motor, the sliding part 312 is provided with a rack 312a, an output shaft of the driving part 311 is sleeved with a gear 311a, the gear 311a is engaged with the rack 312a, and the driving motor is used for driving the gear 311a to rotate, so as to drive the sliding part 312 with the rack 312a to slide on the sliding rail 313, and further drive the driving rod 320 to push and pull the rotating base 400; the sliding direction of the sliding part 312 can be controlled by controlling the rotation direction of the driving motor, the sliding distance of the sliding part 312 can be controlled by controlling the operation time of the driving motor, the sliding speed of the sliding part 312 can be controlled by controlling the rotation speed of the driving motor, and then the push-pull speed and the push-pull distance of the driving rod 320 to the rotating base 400 can be conveniently controlled, so that the swinging speed and the swinging radian of the seat 200 can be conveniently controlled. The speed and distance of pushing and pulling of the driving rod 320 to the rotary seat 400 are conveniently controlled, and thus the swing speed and swing arc of the seat 200 are conveniently controlled, and the vehicle seat reclining device 10 further includes a control mechanism electrically connected to the driving part 311, and the control mechanism is used for controlling the rotation direction, the operation time and the rotation speed of the driving motor.

In one embodiment, the rack 312a is disposed on the sliding portion 312 along the extending direction of the sliding rail 313. In one embodiment, the sliding portion 312 is a sleeve structure, the sliding rail 313 is a sliding rod structure, and the sliding portion 312 is sleeved on the sliding rail 313 and slides relative to the sliding rail 313.

In other embodiments, the driving mechanism 300 is a cylinder or a cylinder. In one embodiment, the driving mechanism 300 is an air cylinder, the driving assembly 310 is a cylinder body of the air cylinder, and the driving rod 320 is a piston rod of the air cylinder.

In order to improve the swing stability of the seat 200, in one embodiment, as shown in fig. 2, the vehicle seat reclining device 10 further includes a rotation shaft 500, the fixed seat 100 and the rotating seat 400 are respectively provided with a first rotation hole and a second rotation hole, the first rotation hole is communicated with the second rotation hole, the rotation shaft 500 is respectively penetrated through the first rotation hole and the second rotation hole, in this embodiment, the rotation shaft 500 extends along the front-back direction of the driver, so that the seat 200 and the rotating seat 400 are rotatably connected with the fixed seat 100 through the rotation shaft 500, and the rotation shaft 500 enables the rotating seat 400 and the seat 200 to rotate only left and right relative to the fixed seat 100, that is, the rotating seat 400 and the seat 200 can only swing left and right without swinging back and forth, thereby improving the swing stability and safety of the seat 200.

In order to facilitate the swing of the rotating seat 400, in one embodiment, the cross section of at least one of the rotating seat 400 and the fixed seat 100 is triangular along the radial direction of the rotating shaft 500; the vertex angle of the triangular cross section of the rotating seat 400 faces the fixed seat 100, and/or the vertex angle of the triangular cross section of the fixed seat 100 faces the rotating seat 400. In one embodiment, the vertex angle of the triangular cross section of the rotating seat 400 faces the fixed seat 100, and the vertex angle of the triangular cross section of the fixed seat 100 faces the rotating seat 400, in this embodiment, the distance between the swinging end 410 and the fixed seat 100 is gradually increased from the rotating shaft 500 to the swinging end 410, so that the middle part of the upper rotating seat 400 and the lower fixed seat 100 can be rotatably connected through the rotating shaft 500, and the interval between the end parts is larger, so that the rotating seat 400 has a larger swinging range, even if the rotating seat 400 swings.

In order to improve the stability of the arrangement of the rotatable seat 400 and the seat 200 and the stability of the swing, in one embodiment, the fixing base 100 is provided with a groove, the first rotating hole includes a first through hole and a second through hole, the first through hole and the second through hole are respectively communicated with the grooves, the rotating base 400 has a vertex part, the top corner is positioned in the groove, the first through hole, the second rotating hole and the second through hole are communicated in sequence, the rotating shaft 500 is sequentially inserted through the first through hole, the second rotating hole and the second through hole, in this embodiment, the top corner portion is opened with the second rotation hole, since the top corner portion of the rotation base 400 is located in the groove, and by the rotation shaft 500 rotating with the fixing base 100, therefore, the rotating base 400 is convenient to rotate, and the front end and the rear end of the rotating base 400 are limited by the inner wall of the groove, so that the rotating base 400 can rotate stably. In one embodiment, the groove is opened at a middle position of the fixing base 100, so that the rotating base 400 can swing relative to the fixing base 100 more smoothly.

In other embodiments, the rotating base 400 is provided with a sleeve groove, the fixing base 100 has a vertex angle body, the vertex angle body of the fixing base 100 is located in the sleeve groove, and the vertex angle body is provided with the first rotating hole.

In order to facilitate the arrangement of the driving assembly 310, in one embodiment, as shown in fig. 2 and fig. 3, the fixing base 100 includes a base 110 and two mounting rods 120, the base 110 is rotatably connected to the rotating base 400, the base 110 has a mounting side 111, one of the mounting rods 120 is protruded or inserted at one end of the mounting side 111, and the other mounting rod 120 is protruded or inserted at the other end of the mounting side 111; the driving portion 311 is disposed on the mounting side 111, one end of the slide rail 313 is connected to one of the mounting rods 120, and the other end of the slide rail 313 is connected to the other mounting rod 120, in this embodiment, the mounting side 111 is a rear end surface of the seat body 110, that is, a rear end surface of the fixing seat 100, so that the driving portion 311 and the slide rail 313 are conveniently disposed, and rotation of the rotating seat 400 and the fixing seat 100 is not affected, so that the connecting rod has a larger stroke, and in addition, the driving assembly 310 and the like are disposed on the rear end surface of the seat body 110, thereby avoiding the problem that the driver is affected by the front end surface. In the present embodiment, the mounting bar 120 extends in a direction perpendicular to the mounting side 111, i.e., the mounting bar 120 extends in the front-rear direction of the driver. In this embodiment, the extending direction of the sliding rail 313 is parallel to the mounting side 111. In one embodiment, the left end and the right end of the seat body 110 are respectively provided with a first sliding hole, each of the mounting rods 120 is slidably disposed in one of the sliding holes, in this embodiment, the mounting rods 120 are used for being connected with a vehicle body of a vehicle, so that the seat body 110 can slide relative to the mounting rods 120, and when the mounting rods 120 are fixedly connected to the vehicle body, the seat body 110 can slide relatively, so that the rotating seat 400 and the seat 200 can move back and forth along with the fixing seat 100, and the seat 200 can be adjusted back and forth.

In one embodiment, as shown in fig. 3, a connecting shaft 411 is protruded from a side surface of the swing end 410, and one end of the driving rod 320, which is far away from the sliding portion 312, is rotatably connected to the connecting shaft 411, in this embodiment, the side surface of the swing end 410 is a back surface of the swing end 410, that is, a rear end surface of the rotating base 400, and the connecting shaft 411 extends in a front-back direction, and since the rotating base 400 is rotatably connected to the fixed base 100, a gap is formed between the rear end surface of the rotating base 400 and the rear end surface of the fixed base 100 in the front-back direction, that is, a gap is formed between the rear end surface of the rotating base 400 and the mounting side surface 111 of the fixed base 100 in the front-back direction, so that the connecting shaft 411 is protruded from the side surface of the swing end 410, and the driving rod 320 is rotatably. In one embodiment, a collar is disposed at one end of the driving rod 320, and the collar is sleeved on the connecting shaft 411 and rotates relative to the connecting shaft 411.

In one embodiment, a second sliding hole is formed in a side surface of the swinging end 410, the connecting shaft 411 is slidably disposed in the second sliding hole, that is, the second sliding hole is formed in the rear end surface of the rotating base 400, and the connecting shaft 411 can slide in the second sliding hole, so that the length of the connecting shaft 411 protruding from the side surface of the swinging end 410 can be controlled, and therefore, the connecting shaft 411 can be conveniently adjusted to enable the driving rod 320 to be parallel to the mounting side surface 111 and the side surface of the swinging end 410, and the driving rod 320 can stably drive the rotating base 400 to rotate.

In order to enable the rotating seat 400 to swing to the maximum, in one embodiment, the distance between the swing end 410 and the fixed seat 100 is a swing distance, the length of the driving rod 320 is greater than or equal to twice the swing distance, and when the length of the driving rod 320 is greater than or equal to twice the swing distance, and the driving rod 320 is located at the vertical position, the distance between the swing end 410 and the fixed seat 100 is increased to be close to or equal to twice the swing distance, so that the distance between the other end of the rotating seat 400 and the fixed seat 100 is very small or zero, and the rotating seat 400 reaches the maximum swing state, that is, the seat 200 reaches the maximum inclined state.

A racing vehicle comprises a vehicle body and a vehicle seat reclining device 10 as described in any one of the above embodiments, wherein the fixing seat 100 is disposed on the vehicle body.

The racing vehicle comprises a vehicle seat tilting device 10, wherein the vehicle seat tilting device 10 comprises a seat 200 and a fixed seat 100, the seat 200 is rotatably arranged on the fixed seat 100 through a rotating seat 400, and as the driving mechanism 300 is arranged on the fixed seat 100 and a driving assembly 310 of the driving mechanism 300 drives a driving rod 320 of the driving mechanism 300 to move, the rotating seat 400 is driven to rotate, so that the end part of the rotating seat 400 is close to or far away from the fixed seat 100; therefore, when the racing vehicle turns at a high speed, the driver does not need to swing the body, the seat 200 can swing through the driving mechanism 300, so that the seat 200 and the driver incline together, the gravity center of the vehicle can be effectively changed, and the safety performance of the racing vehicle during the high-speed turning is effectively improved.

In order to automatically control the inclination of the seat 200, in one embodiment, the racing vehicle further includes a steering wheel angle sensor, a wheel speed sensor, and a steering wheel, wheels and a controller disposed on the vehicle body, the steering wheel angle sensor is disposed on the steering wheel, and the wheel speed sensor is disposed on the wheels; the steering wheel angle sensor and the wheel speed sensor are electrically connected to the controller, and the controller is electrically connected to the driving assembly 310. The steering wheel angle of the racing vehicle is detected through the steering wheel angle sensor, the turning angle is determined, the speed of the racing vehicle during turning is detected through the wheel speed sensor, then the controller obtains two data, the driving force and the driving direction of the driving assembly 310 are determined according to the two data, when the driving assembly 310 comprises the driving motor, the controller controls the steering of an output shaft of the driving motor, the running time of the driving motor and the rotating speed of the driving motor according to the two data, so that the swinging direction, the swinging amplitude and the swinging speed of the seat 200 can be correspondingly controlled, the automatic control of the inclination of the seat 200 is realized, and the situation that the racing vehicle can safely and stably pass through a curve can be ensured without the need of a driver to swing a body with a distraction.

In all embodiments of the present application, the terms "large" and "small" are relatively speaking, and the terms "upper" and "lower" are relatively speaking, so that descriptions of these relative terms are not repeated herein.

It should be appreciated that reference throughout this specification to "in this embodiment," "in an embodiment of the present application," or "as an alternative implementation" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment of the present application. Thus, the appearances of the phrases "in this embodiment," "in the examples of the present application," or "as an alternative embodiment" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments. Those skilled in the art should also appreciate that the embodiments described in this specification are all alternative embodiments and that the acts and modules involved are not necessarily required for this application.

In various embodiments of the present application, it should be understood that the size of the serial number of each process described above does not mean that the execution sequence is necessarily sequential, and the execution sequence of each process should be determined by its function and inherent logic, and should not constitute any limitation on the implementation process of the embodiments of the present application.

The above description is only for the specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present application, and shall be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims (11)

1. A reclining device of a vehicle seat, comprising:

a fixed seat;

the bottom of the seat is provided with a rotating seat, and the rotating seat is rotatably connected with the fixed seat; the rotating seat is provided with a swinging end;

drive mechanism, drive mechanism includes drive assembly and actuating lever, drive assembly set up in on the fixing base, the one end of actuating lever with drive assembly rotates to be connected, the other end with the swing end is connected, the drive assembly drive the actuating lever drives swing end is towards keeping away from or being close to the direction motion of fixing base.

2. The reclining device of a vehicle seat according to claim 1, wherein the driving assembly includes a driving portion, a sliding portion and a sliding rail, the sliding rail and the driving portion are respectively disposed on the fixing seat, the driving portion is drivingly connected with the sliding portion, and the sliding portion is slidably disposed on the sliding rail; one end of the driving rod, which is far away from the rotating seat, is rotatably connected with the sliding part.

3. The reclining device of a vehicle seat according to claim 2, wherein the driving part is a driving motor, the sliding part is provided with a rack, and an output shaft of the driving part is sleeved with a gear, and the gear is engaged with the rack.

4. The reclining device of a vehicle seat according to claim 1 or 2, further comprising a rotation shaft, wherein the fixed seat and the rotation seat are respectively provided with a first rotation hole and a second rotation hole, the first rotation hole and the second rotation hole are communicated, and the rotation shaft is respectively penetrated through the first rotation hole and the second rotation hole.

5. The reclining device of a vehicle seat according to claim 4, wherein at least one of the rotating seat and the fixing seat has a triangular cross-section in a radial direction of the rotating shaft; the vertex angle of the triangular section of the rotating seat faces towards the fixed seat, and/or the vertex angle of the triangular section of the fixed seat faces towards the rotating seat.

6. The reclining device of a vehicle seat according to claim 5, wherein the fixing base is formed with a recess, the first rotation hole includes a first through hole and a second through hole, the first through hole and the second through hole are respectively communicated with the recess, the rotation base has a vertex portion, the vertex portion is located in the recess, the first through hole, the second rotation hole and the second through hole are sequentially communicated, and the rotation shaft is sequentially inserted through the first through hole, the second rotation hole and the second through hole.

7. The reclining device of a vehicle seat according to claim 2, wherein the fixing base includes a base body and two mounting rods, the base body is rotatably connected to the rotating base, the base body has a mounting side surface, one of the mounting rods is protruded or inserted at one end of the mounting side surface, and the other mounting rod is protruded or inserted at the other end of the mounting side surface; the driving part is arranged on the mounting side face, one end of the sliding rail is connected with one mounting rod, and the other end of the sliding rail is connected with the other mounting rod.

8. The reclining device of a vehicle seat according to claim 7, wherein a connecting shaft is protruded from a side of the swing end, and an end of the driving lever, which is far from the sliding portion, is rotatably connected to the connecting shaft.

9. The reclining device of a vehicle seat as set forth in claim 1, wherein the swing end is spaced apart from the fixed seat by a swing distance, and the length of the driving rod is greater than or equal to twice the swing distance.

10. A racing vehicle comprising a vehicle body and a vehicle seat reclining device as set forth in any one of claims 1 to 9, the holder being provided on the vehicle body.

11. The racing vehicle of claim 10, further comprising a steering wheel angle sensor disposed on the steering wheel, a wheel speed sensor disposed on the wheel, and a steering wheel, a wheel and a controller disposed on the vehicle body; the steering wheel corner sensor and the wheel speed sensor are electrically connected with the controller respectively, and the controller is electrically connected with the driving assembly.

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