CN219256989U

CN219256989U - Stabilizer bar and vehicle

Info

Publication number: CN219256989U
Application number: CN202320951103.0U
Authority: CN
Inventors: 韩莹亮; 曾小利; 毛显红; 万露; 禹慧丽
Original assignee: Chongqing Changan Automobile Co Ltd
Current assignee: Chongqing Changan Automobile Co Ltd
Priority date: 2023-04-24
Filing date: 2023-04-24
Publication date: 2023-06-27
Anticipated expiration: 2033-04-24

Abstract

The application relates to the technical field of vehicles, in particular to a stabilizer bar and a vehicle. The stabilizer bar comprises a body, an adjusting mechanism and a spline hub, wherein the body comprises a first bar body and a second bar body, a first connecting piece and a first external spline are arranged on the first bar body, and a second connecting piece and a second external spline are arranged on the second bar body; the adjusting mechanism comprises a driving assembly, a crank, a first connecting rod and a second connecting rod, wherein the first connecting rod and the second connecting rod are connected with the crank, the first connecting rod is rotationally connected with the first connecting piece, the second connecting rod is rotationally connected with the second connecting piece, and the first external spline and the second external spline are in sliding connection with the spline groove through an opening. This scheme accessible adjustment mechanism can carry out continuous, stable adjustment to the length of stabilizer bar, and the relative movement of accessible spline hub to first body of rod and second body of rod is spacing to improve the joint strength of first body of rod and second body of rod.

Description

Stabilizer bar and vehicle

Technical Field

The application relates to the technical field of vehicles, in particular to a stabilizer bar and a vehicle.

Background

The stabilizer bar has the function of balancing the reverse runout of the left and right wheels of the automobile when the automobile turns or the automobile runs on an uneven road surface, and preventing the body of the automobile from tilting at an excessive angle. Most of the existing stabilizer bars are of integrally formed bar body structures, the length is inconvenient to adjust, the structure cannot adapt to the use requirements of different types of vehicles, in the related art, segmented bar bodies are adopted, the bar bodies are assembled through two threaded connections with opposite screwing directions, and then are locked through bolts, the stabilizer bars of the structure can be manually adjusted in length during assembly, the adjusting efficiency is low, the structural strength of a threaded connection area between the segmented bar bodies is poor, the rigidity of the stabilizer bars is weak, and the overall service life of the stabilizer bars is influenced.

Disclosure of Invention

One of the purposes of the application is to provide a stabilizer bar, which can realize the efficient, stable and continuous adjustment of the length of the stabilizer bar; it is a second object of the present application to provide a vehicle.

To achieve the above object, in a first aspect, an embodiment of the present application provides a stabilizer bar, including:

the body comprises a first rod body and a second rod body which are oppositely arranged, wherein a first connecting piece and a first external spline which is arranged in an end area are arranged on the first rod body, and a second connecting piece and a second external spline which is arranged in the end area are arranged on the second rod body;

the adjusting mechanism comprises a driving assembly, a crank, a first connecting rod and a second connecting rod, wherein the first connecting rod and the second connecting rod are rotatably connected with the crank;

spline hub, inside has seted up the spline groove, first external spline with second external spline with spline groove sliding connection, first connecting piece with the in-process that the second connecting piece is close to relatively or keeps away from relatively, first external spline with second external spline is relative spline groove slides.

Further, the outer contour of the crank is circular, the crank comprises a mounting part, a first rotating part and a second rotating part, the mounting part is arranged at the center of the crank, the driving assembly is connected with the mounting part, the first rotating part and the second rotating part are symmetrical relative to the center of the crank, the first rotating part is rotationally connected with the first connecting piece, and the second rotating part is rotationally connected with the second connecting piece.

Further, the first connecting rod comprises first connecting walls arranged at two ends, the first connecting walls comprise first limiting grooves and first connecting holes, one of the first connecting walls faces the crank, an avoidance gap is formed between the first limiting grooves and the periphery of the crank, and the first connecting holes are connected with the first rotating part; the other first connecting wall faces the first connecting piece, and the first limiting groove and the periphery of the first connecting piece are provided with avoiding gaps;

the second connecting rod comprises second connecting walls arranged at two ends, each second connecting wall comprises a second limiting groove and a second connecting hole, one second connecting wall faces the crank, an avoidance gap is formed between the second limiting groove and the periphery of the crank, and the second connecting holes are connected with the second rotating part; the other second connecting wall faces the second connecting piece, and the second limiting groove and the periphery of the second connecting piece are provided with avoiding gaps.

Further, the first connecting piece is provided with a first sliding hole extending along the radial direction of the first rod body, the second connecting piece is provided with a second sliding hole extending along the radial direction of the second rod body, the end part of the first connecting wall is slidably assembled in the first sliding hole, and the end part of the second connecting wall is slidably assembled in the second sliding hole.

Further, the first sliding hole is a kidney-shaped hole extending along the radial direction of the first rod body, and the second sliding hole is a kidney-shaped hole extending along the radial direction of the second rod body.

Further, the first connecting piece is of a cylinder structure extending along the radial direction of the first rod body, and the second connecting piece is of a cylinder structure extending along the radial direction of the second rod body.

Further, the first external spline extends along the axial direction of the first rod body, the second external spline extends along the axial direction of the second rod body, and the spline groove extends along the axial direction of the spline hub and is matched with the first external spline and the second external spline.

Further, the first connector is located outside the first external spline, and the second connector is located outside the second external spline.

Further, the drive assembly includes a motor, and the crank is rotatably coupled to the motor.

In order to achieve the above object, according to a second aspect, an embodiment of the present application provides a vehicle including the stabilizer bar provided in the first aspect of the present application and a frame to which the stabilizer bar is fitted.

The technical scheme provided by each embodiment of the application has the following beneficial effects:

the crank and the first connecting rod, the crank structure is formed to the second connecting rod, after the drive assembly drives the crank to rotate, the first connecting rod and the second connecting rod pull the first connecting piece and the second connecting piece to synchronously move, the interval distance between the first connecting rod and the second connecting piece gradually changes, so that the first rod body and the second rod body are driven to be relatively close to or relatively far away from each other, manual adjustment is not needed in the process, labor is saved, secondly, when the first rod body and the second rod body are relatively close to or relatively far away from each other, the spline grooves in the spline hubs and the first external spline and the second external spline relatively slide, the relative movement of the first rod body and the second rod body is limited through the spline hubs, the stability in the moving process is improved, and meanwhile, the connection strength of the first rod body and the second rod body can be effectively improved.

Drawings

FIG. 1 is a schematic perspective view showing an assembled stabilizer bar and a frame according to an embodiment of the present application;

FIG. 2 is a schematic perspective view showing a part of the structure of a stabilizer bar according to an embodiment of the present application;

fig. 3 is a schematic view illustrating a part of structures of a first rod body and a second rod body in a stabilizer bar according to an embodiment of the present disclosure;

FIG. 4 shows a schematic cross-sectional structure of a stabilizer bar at A-A according to an embodiment of the present application;

FIG. 5 is a schematic perspective view of a crank in a stabilizer bar according to an embodiment of the present application;

fig. 6 is a schematic perspective view illustrating a first link and a second link in a stabilizer bar according to an embodiment of the present disclosure;

fig. 7 is a schematic perspective view illustrating a first rod body in a stabilizer bar according to an embodiment of the present disclosure;

fig. 8 is a schematic perspective view illustrating a second rod body in the stabilizer bar according to an embodiment of the present application;

FIG. 9 is a schematic perspective view of a spline hub in a stabilizer bar according to an embodiment of the present application;

fig. 10 shows a schematic side view of a spline hub in a stabilizer bar according to an embodiment of the present application.

Wherein,,

10. a body;

11. a first rod body; 111. a first external spline; 112. a first connector; 101. a first slide hole;

12. a second rod body; 121. a second external spline; 122. a second connector; 102. a second slide hole;

20. an adjusting mechanism;

21. a drive assembly;

22. a crank; 221. a mounting part; 222. a first rotating part; 223. a second rotating part;

23. a first link; 231. a first connecting wall; 201. a first limit groove; 202. a first connection hole;

24. a second link; 241. a second connecting wall; 203. the second limit groove; 204. a second connection hole;

30. a spline hub; 31. spline grooves; 32. an opening;

40. and a frame.

Detailed Description

Further advantages and effects of the present utility model will become readily apparent to those skilled in the art from the disclosure herein, by referring to the accompanying drawings and the preferred embodiments. The utility model may be practiced or carried out in other embodiments that depart from the specific details, and the details of the present description may be modified or varied from the spirit and scope of the present utility model. It should be understood that the preferred embodiments are presented by way of illustration only and not by way of limitation.

It should be noted that the illustrations provided in the following embodiments merely illustrate the basic concept of the present utility model by way of illustration, and only the components related to the present utility model are shown in the drawings and are not drawn according to the number, shape and size of the components in actual implementation, and the form, number and proportion of the components in actual implementation may be arbitrarily changed, and the layout of the components may be more complicated.

Therefore, in order to achieve quick, efficient and stable adjustment of the length of the stabilizer bar, the stabilizer bar according to the embodiment of the present application includes a body 10, an adjusting mechanism 20 and a spline hub 30, where the body 10 includes a first rod body 11 and a second rod body 12 that are disposed opposite to each other, the first rod body 11 is provided with a first connecting member 112 and a first external spline 111 disposed at an end region, and the second rod body 12 is provided with a second connecting member 122 and a second external spline 121 disposed at an end region; the adjusting mechanism 20 comprises a driving component 21, a crank 22, a first connecting rod 23 and a second connecting rod 24, wherein the first connecting rod 23 and the second connecting rod 24 are rotatably connected with the crank 22, the crank 22 is rotatably assembled on the driving component 21, one end of the first connecting rod 23 is rotatably connected with the first connecting piece 112, and one end of the second connecting rod 24 is rotatably connected with the second connecting piece 122, so that the first connecting piece 112 and the second connecting piece 122 are relatively close to or relatively far away from each other; spline grooves 31 are formed in the spline hub 30, the first external spline 111 and the second external spline 121 are slidably connected with the spline grooves 31, and the first external spline 111 and the second external spline 121 slide relative to the spline grooves 31 in the process that the first connecting piece 112 and the second connecting piece 122 are relatively close to or relatively far away from each other.

Referring to fig. 1-10, the crank 22, the first connecting rod 23 and the second connecting rod 24 form a crank 22 structure, when the driving component 21 drives the crank 22 to rotate, the first connecting rod 23 and the second connecting rod 24 pull the first connecting piece 112 and the second connecting piece 122 to synchronously move, the interval distance between the first connecting rod 23 and the second connecting piece is gradually changed to drive the first rod body 11 and the second rod body 12 to relatively approach or relatively separate, in the process, manual adjustment is not needed, labor is saved, and in the process of relatively approaching or relatively separating the first rod body 11 and the second rod body 12, the spline grooves 31 in the spline hubs 30 and the first external splines 111 and the second external splines 121 relatively slide, the relative movement of the first rod body 11 and the second rod body 12 can be limited through the spline hubs 30, the stability in the moving process is improved, and meanwhile, the connection strength of the first rod body 11 and the second rod body 12 can be effectively improved.

The spline hub 30 has openings 32 at both ends, the openings 32 are communicated with the cavity in the spline hub 30, the first external spline 111 on the first rod body 11 and the second external spline 121 on the second rod body 12 are slidably connected with the spline grooves 31 in the cavity through the openings 32 at both ends, and further, the stability of axial sliding is controlled and the rigidity of the stabilizer rod body 10 is maintained through the spline hub 30.

Further, the outer contour of the crank 22 is circular, the crank 22 includes an installation portion 221, a first rotation portion 222 and a second rotation portion 223, the installation portion 221 is disposed at the center of the crank 22, the driving assembly 21 is connected with the installation portion 221, the first rotation portion 222 and the second rotation portion 223 are symmetrical with respect to the center of the crank 22, the first rotation portion 222 is rotatably connected with the first connecting piece 112, and the second rotation portion 223 is rotatably connected with the second connecting piece 122.

Referring to fig. 2 and 5, the first and

second links

23 and 24 are controlled to be symmetrically distributed about the center of the crank 22 by the first and second

rotating portions

222 and 223, and the first and

second links

23 and 24 can be pulled to be relatively close to or relatively far from each other by the same displacement in synchronization with each other, so as to maintain the stabilizer bar body 10 at the middle of the frame 40 and ensure the stability during the length adjustment.

Referring to fig. 6, further, the first connecting rod 23 includes first connecting walls 231 provided at both ends, the first connecting walls 231 including first limiting grooves 201 and first connecting holes 202, one of the first connecting walls 231 facing the crank 22, an escape gap being provided between the first limiting grooves 201 and an outer circumference of the crank 22, the first connecting holes 202 being connected to the first rotating part 222; the other first connecting wall 231 faces the first connecting piece 112, and the first limiting groove 201 and the periphery of the first connecting piece 112 have an avoidance gap; after the driving assembly 21 drives the crank 22 to rotate, a first limiting groove 201 and the periphery of the crank 22 have a avoiding gap, so that the rotation between the crank 22 and the first connecting piece 23 cannot be interfered, and meanwhile, as the avoiding gap is formed between the other first limiting groove 201 and the first connecting piece 112, the first connecting piece 23 and the first connecting piece 112 cannot be interfered in the rotation process;

the second connecting 24 rod comprises second connecting walls 241 arranged at two ends, the second connecting walls 241 comprise second limiting grooves 203 and second connecting holes 204, one second connecting wall 241 faces the crank 22, an avoidance gap is formed between the second limiting grooves 203 and the periphery of the crank 22, and the second connecting holes 204 are connected with the second rotating part 223; the other second connecting wall 241 faces the second connecting piece 122, and the second limiting groove 203 and the periphery of the second connecting piece 122 have an avoidance gap; after the driving assembly 21 drives the crank 22 to rotate, the second limiting groove 203 has an avoidance gap with the periphery of the crank 22, the rotation between the crank 22 and the second connecting piece 24 can not interfere, and meanwhile, as the avoidance gap also exists between the other second limiting groove 203 and the second connecting piece 122, interference can not be generated between the second connecting piece 24 and the second connecting piece 122 in the rotating process, a crank 22 connecting piece mechanism is formed, and further, the first rod body 11 and the second rod body 12 can be pulled to be synchronously and relatively close to or relatively far away from each other.

In one embodiment, a butt joint surface (not shown) is provided between the first rod 11 and the second rod 12, and the first connecting member 112 and the second connecting member 122 are symmetrically disposed about the butt joint surface, so that the first rod 11 and the second rod 12 can be pulled to be relatively close to or relatively far away from each other synchronously, so as to maintain the stabilizer bar body 10 at the middle of the frame 40, and ensure stability during the length adjustment process.

The driving assembly 21 can be arranged in the middle of the frame 40, so that the butt joint surface faces the symmetrical middle surface of the frame 40, and the stabilizer bar body 10 is positioned in the middle of the frame 40, so that the stability in the length adjustment process is ensured.

Further, the first connecting member 112 has a first sliding hole 101 extending along a radial direction of the first rod 11, the second connecting member 122 has a second sliding hole 102 extending along a radial direction of the second rod 12, and an end portion of the first connecting wall 231 is slidably mounted in the first sliding hole 101, and an end portion of the second connecting wall 241 is slidably mounted in the second sliding hole 102. Referring to fig. 4, the first sliding hole 101 further reasonably avoids the rotation between the first connecting rod 23 and the first connecting member 112, so as to avoid rotation interference, reduce friction resistance in the rotation process, and similarly, the second sliding hole 102 further reasonably avoids the rotation between the second connecting rod 24 and the second connecting member 122, so as to avoid rotation interference, and reduce friction resistance in the rotation process.

Further, the first sliding hole 101 is a kidney-shaped hole extending along the radial direction of the first rod 11, and the second sliding hole 102 is a kidney-shaped hole extending along the radial direction of the second rod 12. The two ends of the kidney-shaped hole are provided with arc-shaped walls, the first connecting rod 23 can rotationally connect the first connecting hole 202 with the first sliding hole 101 through a pin or a bolt, and the second connecting rod 24 can rotationally connect the second connecting hole 204 with the second sliding hole 102 through a pin or a bolt, so that the friction resistance is further reduced.

Further, the first connecting member 112 is a cylindrical structure extending along the radial direction of the first rod 11, and the second connecting member 122 is a cylindrical structure extending along the radial direction of the second rod 12. Through the first connecting piece 112 of the column structure, a sufficient operation space is provided for the rotation of the first connecting rod 23, and similarly, through the second connecting piece 122 of the column structure, a sufficient operation space is provided for the rotation of the second connecting rod 24, so that the first connecting rod 23 and the second connecting rod 24 can more smoothly drive the first rod body 11 and the second rod body 12 to be relatively close to or relatively far away from each other synchronously.

Referring to fig. 3 and 4, further, the first external spline 111 extends in the axial direction of the first rod body 11, the second external spline 121 extends in the axial direction of the second rod body 12, and the spline groove 31 extends in the axial direction of the spline hub 30 and is fitted with the first external spline 111 and the second external spline 121. So that the spline hub 30 is always in sliding fit with the first rod 11 and the second rod 12 in the process of moving the first rod 11 and the second rod 12 relatively, and the first external spline 111 and the second external spline 121 are prevented from being separated from the spline groove 31.

Further, the first connecting member 112 is located outside the first external spline 111, and the second connecting member 122 is located outside the second external spline 121. Referring to fig. 3 and 4, a stable triangle structure is formed between the first connecting member 112 and the second connecting member 122 and the stabilizer body 10 between the first connecting member 23, the second connecting member 24 and the first connecting member 112 and the second connecting member 122, so that the axial distance between the first connecting member 112 and the second connecting member 122 and the second connecting member 12 can be adjusted by the driving assembly 21, thereby realizing stable, continuous and automatic adjustment of the stabilizer length.

Further, the drive assembly 21 includes a motor, and the crank 22 is rotatably coupled to the motor. The output shaft of the motor is connected with the mounting part 221 of the crank 22 to drive the crank 22 to rotate, and the motor is electrically connected with a control system of the vehicle to control the rotation angle of the crank 22 driven by the motor clockwise or anticlockwise, so as to further control the relative sliding displacement of the first rod body 11 and the second rod body 12, thereby improving the convenience of use.

In order to achieve the above object, in a second aspect, an embodiment of the present application provides a vehicle including the stabilizer bar provided in the first aspect of the present application and the frame 40, the stabilizer bar being mounted to the frame 40.

The vehicle of the present embodiment may further include other necessary components or structures such as a tire, a transmission mechanism, an engine, a control system, etc., and the corresponding arrangement positions and connection relationships may refer to vehicles in the prior art, and the connection relationships, operation and operation principles of the structures not described herein will be known to those skilled in the art, and will not be described in detail herein. It is understood that the vehicles in the embodiments of the present application may be all vehicles with mobility, including vehicles with autopilot or intelligent driving, such as manned vehicles (sedans, buses, wagons, etc.), cargo-carrying vehicles (regular trucks, vans, swing trailers, closed trucks, tank trucks, flatbed trucks, container trucks, dump trucks, special structure trucks), special vehicles (logistics distribution vehicles, patrol vehicles, cranes, excavators, bulldozers, forklift trucks, road rollers, loaders, off-road engineering vehicles, armored engineering vehicles, sewage treatment vehicles), recreational vehicles (recreational vehicles, amusement park autopilots, balance vehicles, etc.), rescue vehicles (e.g., fire fighters, ambulances, electric power repair vehicles, engineering emergency vehicles, etc.), and the like.

It should be noted that references in the specification to "one embodiment," "an example embodiment," "some embodiments," etc., indicate that the embodiment described may include a particular feature, structure, or characteristic, but every embodiment may not necessarily include the particular feature, structure, or characteristic. Moreover, such phrases are not necessarily referring to the same embodiment. Furthermore, when a particular feature, structure, or characteristic is described in connection with an embodiment, it is submitted that it is within the knowledge of one skilled in the art to effect such feature, structure, or characteristic in connection with other embodiments whether or not explicitly described.

It should be noted that in this document, relational terms such as "first" and "second" and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some or all of the technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit of the corresponding technical solutions from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A stabilizer bar, comprising:

the body (10) comprises a first rod body (11) and a second rod body (12) which are oppositely arranged, wherein a first connecting piece (112) and a first external spline (111) are arranged on the first rod body (11), a second connecting piece (122) and a second external spline (121) are arranged on the second rod body (12);

the adjusting mechanism (20) comprises a driving assembly (21), a crank (22), and a first connecting rod (23) and a second connecting rod (24) which are rotationally connected with the crank (22), wherein the crank (22) is rotatably assembled on the driving assembly (21), one end of the first connecting rod (23) is rotationally connected with the first connecting piece (112), and one end of the second connecting rod (24) is rotationally connected with the second connecting piece (122) so as to enable the first connecting piece (112) to be relatively close to or relatively far away from the second connecting piece (122);

spline (30), spline groove (31) have been seted up to inside, first external spline (111) with second external spline (121) with spline groove (31) sliding connection, first connecting piece (112) with in-process that second connecting piece (122) are close to relatively or keep away from relatively, first external spline (111) with second external spline (121) are relative spline groove (31) slides.

2. The stabilizer bar according to claim 1, characterized in that the outer contour of the crank (22) is circular, the crank (22) comprises a mounting part (221), a first rotating part (222) and a second rotating part (223), the mounting part (221) is arranged at the center of the crank (22), the driving assembly (21) is connected with the mounting part (221), the first rotating part (222) and the second rotating part (223) are symmetrical relative to the center of the crank (22), the first rotating part (222) is rotationally connected with the first connecting piece (112), and the second rotating part (223) is rotationally connected with the second connecting piece (122).

3. The stabilizer bar according to claim 2, characterized in that the first connecting rod (23) comprises first connecting walls (231) provided at both ends, the first connecting walls (231) comprising first limiting grooves (201) and first connecting holes (202), wherein one of the first connecting walls (231) faces the crank (22), the first limiting grooves (201) and the outer circumference of the crank (22) have a clearance between them, and the first connecting holes (202) are connected with the first rotating part (222); the other first connecting wall (231) faces the first connecting piece (112), and the first limiting groove (201) and the periphery of the first connecting piece (112) are provided with avoiding gaps;

the second connecting rod (24) comprises second connecting walls (241) arranged at two ends, the second connecting walls (241) comprise second limiting grooves (203) and second connecting holes (204), one second connecting wall (241) faces the crank (22), an avoidance gap is formed between the second limiting grooves (203) and the periphery of the crank (22), and the second connecting holes (204) are connected with the second rotating part (223); the other second connecting wall (241) faces the second connecting piece (122), and the second limiting groove (203) and the periphery of the second connecting piece (122) are provided with avoiding gaps.

4. A stabilizer bar according to claim 3, characterized in that the first connecting element (112) has a first slide hole (101) extending in the radial direction of the first rod body (11), the second connecting element (122) has a second slide hole (102) extending in the radial direction of the second rod body (12), the end of the first connecting wall (231) is slidably fitted in the first slide hole (101), and the end of the second connecting wall (241) is slidably fitted in the second slide hole (102).

5. The stabilizer bar according to claim 4, characterized in that the first sliding hole (101) is a kidney-shaped hole extending radially along the first bar body (11), and the second sliding hole (102) is a kidney-shaped hole extending radially along the second bar body (12).

6. The stabilizer bar according to claim 1, characterized in that the first connecting element (112) is a cylindrical structure extending in the radial direction of the first bar body (11), and the second connecting element (122) is a cylindrical structure extending in the radial direction of the second bar body (12).

7. A stabilizer bar according to claim 1, characterized in that the first external spline (111) extends in the axial direction of the first rod body (11), the second external spline (121) extends in the axial direction of the second rod body (12), the spline groove (31) extends in the axial direction of the spline hub (30) and is adapted to the first external spline (111) and the second external spline (121).

8. The stabilizer bar according to claim 7, characterized in that the first connecting piece (112) is located outside the first external spline (111) and the second connecting piece (122) is located outside the second external spline (121).

9. A stabilizer bar according to claim 1, characterized in that the drive assembly (21) comprises a motor, the crank (22) being connected to the motor in a rotatable assembly.

10. A vehicle comprising a stabilizer bar according to any one of claims 1-9 and a frame (40), said stabilizer bar being fitted to said frame (40).