CN-116262407-B - Active dynamic adjusting stabilizer bar for vehicle and vehicle

CN116262407BCN 116262407 BCN116262407 BCN 116262407BCN-116262407-B

Abstract

The invention discloses an active dynamic adjusting stabilizer bar for a vehicle and the vehicle, wherein the stabilizer bar comprises a first rod body, a second rod body, a movable sleeve, a driving piece and a monitoring system, the driving piece can drive the movable sleeve to reciprocate and/or rotate relative to the first rod body or the second rod body along the axis direction of the movable sleeve, and the monitoring system is used for detecting the running condition of the vehicle and detecting the moving distance of the movable sleeve along the axis direction of the movable sleeve. The monitoring system can control the movable sleeve to move through the driving piece according to the detection result when the stabilizer bar is in the first working state, so that the rotation of the first bar body relative to the second bar body is restrained, the technical problem of vehicle body side tilting is solved, and the vehicle body tremble and side-to-side swinging states can be reduced.

Inventors

ZHANG CHANGHUA
LV JUNCHAO
JIANG HUA
Xie Chengneng
CAO HAN

Assignees

浙江春风动力股份有限公司

Dates

Publication Date: 20260508
Application Date: 20211214

Claims (11)

1. An active dynamic adjustment stabilizer bar for a vehicle, comprising: A first torsion shaft body is arranged at one end of the first rod body; A second torsion shaft body is arranged at one end of the second rod body; The movable sleeve can reciprocate and/or rotate along the axial direction of the movable sleeve relative to the first rod body or the second rod body, the movable sleeve penetrates through a first through groove, and the first torsion shaft body and the second torsion shaft body at least partially extend into the first through groove; the outer circumferential surface of the first torsion shaft body is provided with a guide groove which is of a spiral structure, a guide post is arranged in the first through groove and fixedly connected with the first torsion shaft body, and at least part of the guide post is positioned in the guide groove and is abutted against the side wall of the guide groove; The outer circumferential surface of the second torsion shaft body is in key fit connection with the inner circumferential surface of the first through groove; the driving piece is used for driving the movable sleeve to move; the monitoring system is used for detecting the running condition of the vehicle and detecting the moving distance of the movable sleeve along the axis direction of the movable sleeve; the stabilizer bar comprises a first working state and a second working state, and a user can manually control the stabilizer bar to switch between the first working state and the second working state; When the stabilizer bar is in the second working state, the first bar body can rotate relative to the second bar body, and when the stabilizer bar is in the first working state, the monitoring system can control the movable sleeve to move through the driving piece according to a detection result so as to inhibit the first bar body from rotating relative to the second bar body.
2. The active dynamic adjustment stabilizer bar for a vehicle according to claim 1, wherein two guide grooves are provided, the two guide grooves are symmetrically penetrated through an outer circumferential surface of the first torsion shaft, and the guide column sequentially extends through the two guide grooves.
3. The active dynamic adjustment stabilizer bar for vehicles according to claim 1, wherein a stepped groove is concavely formed on an end surface of the first torsion shaft body, which is far away from the first shaft body, and a protruding block is convexly formed on an end surface of the second torsion shaft body, which is far away from the second shaft body, and the protruding block is in clearance fit in the stepped groove.
4. The active dynamic adjustment stabilizer bar for vehicles according to claim 1, wherein said driving member comprises a driving motor and a transmission sleeve, said driving motor being in transmission connection with said transmission sleeve via a gear set; the second through groove is penetrated in the axial direction of the transmission sleeve, the movable sleeve extends into the second through groove, the outer circumferential surface of the movable sleeve is provided with a transmission external thread, the inner circumferential surface of the second through groove is provided with a transmission internal thread, and the transmission external thread is meshed with the transmission internal thread; when the stabilizer bar is in a first working state, the driving motor can drive the movable sleeve to reciprocate and/or rotate along the axis direction of the movable sleeve through the transmission sleeve.
5. The active dynamic adjustment stabilizer bar for vehicles according to claim 4, wherein the external driving thread and the internal driving thread are both trapezoidal thread structures, and the thread angle of the trapezoidal thread structures is 10 °.
6. The driving dynamic adjusting stabilizer bar for vehicle of claim 4, wherein the gear set comprises a starting gear and an idler gear, the starting gear is fixed on an output shaft of the driving motor, a transmission gear ring is annularly arranged on the outer circumferential surface of the transmission sleeve, and the idler gear is meshed with the starting gear and the transmission gear ring respectively.
7. The active dynamic adjustment stabilizer bar for a vehicle of claim 6, further comprising a housing, wherein a receiving cavity is formed in the housing, and the first torsion shaft, the second torsion shaft, the transmission sleeve, and the idler are rotatably supported in the receiving cavity by bearings.
8. The active dynamic adjustment stabilizer bar for vehicles according to any one of claims 1 to 7, wherein the monitoring system comprises a traveling computer for detecting an operating condition of the vehicle and a displacement sensor for detecting a displacement distance of the movable sleeve in an axial direction.
9. The active dynamic adjustment stabilizer bar for vehicles according to claim 8, characterized in that it further comprises a third operating state, said driving computer being able to control the stabilizer bar to switch between said first operating state and said third operating state according to the detected operating condition of the vehicle; When the stabilizer bar is in a third working state, the first bar body and the second bar body synchronously rotate.
10. The active dynamic adjustment stabilizer bar for a vehicle according to any one of claims 1 to 8, wherein spline-fit connections are respectively formed between an outer circumferential surface of the first torsion shaft body and an inner circumferential surface of the first rod body, between an outer circumferential surface of the second torsion shaft body and an inner circumferential surface of the second rod body, and between an end surface of the first torsion shaft body and an end surface of the first rod body, and between an end surface of the second torsion shaft body and an end surface of the second rod body are respectively fixed by fastening screws.
11. A vehicle characterized by comprising: A frame; Wheels including front wheels and rear wheels; A saddle mounted on the frame; A suspension system including a front suspension through which the front wheel is connected to the frame and a rear suspension through which the rear wheel is connected to the frame; a body panel at least partially connected to the frame; a stabilizer bar mounted to the front suspension and/or the rear suspension, the stabilizer bar being as claimed in any one of claims 1 to 10.

Description

Active dynamic adjusting stabilizer bar for vehicle and vehicle Technical Field The invention relates to the technical field of stabilizer bars, in particular to an active dynamic adjustment stabilizer bar for a vehicle and the vehicle. Background The stabilizer bar is also called an anti-roll bar, belongs to an auxiliary elastic element in the suspension of an automobile, and mainly plays a role in preventing the side turning and improving the running smoothness caused by the overlarge side turning of the automobile body when the automobile turns. At present, the rigidity value of a passive stabilizer bar on the market is fixed, so that the passive stabilizer bar cannot be adaptively adjusted according to different vehicle conditions and driving conditions during running, and the experience in the aspects of operability and comfort is poor. The dynamic driving active stabilizer bar technology in the prior art can be simply described as that when a vehicle body is tilted during turning, the tilted inner side of the vehicle body is pressed back to the ground through controlling the torque effect of a motor on the stabilizer bar, and the tilting is prevented. The active stabilizer bar technology that has on the market is complicated in construction, and the precision requirement is high, and part number is many, and takes up very big space, can only be applied to large-scale passenger car, and it can not be applied to the motorcycle type that the track is less, for example ATV motorcycle type. Disclosure of Invention The invention aims to provide an active dynamic adjusting stabilizer bar for a vehicle and the vehicle, which are used for solving the technical problems in the prior art, solving the technical problems of vehicle body side tilting and reducing the state of vehicle body tremble and side-to-side swing. The invention provides an active dynamic adjusting stabilizer bar for a vehicle, which comprises the following components: A first rod body; A second rod body; the movable sleeve can reciprocate and/or rotate along the axis direction of the movable sleeve relative to the first rod body or the second rod body; the driving piece is used for driving the movable sleeve to move; the monitoring system is used for detecting the running condition of the vehicle and detecting the moving distance of the movable sleeve along the axis direction of the movable sleeve; the stabilizer bar comprises a first working state and a second working state, and a user can manually control the stabilizer bar to switch between the first working state and the second working state; When the stabilizer bar is in the second working state, the first bar body can rotate relative to the second bar body, and when the stabilizer bar is in the first working state, the monitoring system can control the movable sleeve to move through the driving piece according to a detection result so as to inhibit the first bar body from rotating relative to the second bar body. Further, a first torsion shaft body is arranged at one end of the first rod body, and a second torsion shaft body is arranged at one end of the second rod body; the movable sleeve penetrates through a first through groove, and the first torsion shaft body and the second torsion shaft body at least partially extend into the first through groove; the outer circumferential surface of the first torsion shaft body is provided with a guide groove which is of a spiral structure, a guide post is arranged in the first through groove and fixedly connected with the first torsion shaft body, and at least part of the guide post is positioned in the guide groove and is abutted against the side wall of the guide groove; the outer circumferential surface of the second torsion shaft body is in key fit connection with the inner circumferential surface of the first through groove. Further, two guide grooves are provided, the two guide grooves symmetrically penetrate through the outer circumferential surface of the first torsion shaft body, and the guide column sequentially extends through the two guide grooves. Further, the end face, facing away from the first rod body, of the first torsion shaft body is concavely provided with a stepped groove, the end face, facing away from the second rod body, of the second torsion shaft body is convexly provided with a bump, and the bump is in clearance fit in the stepped groove. Further, the driving piece comprises a driving motor and a transmission sleeve, the driving motor is in transmission connection with the transmission sleeve through a gear set, a second through groove is penetrated in the axial direction of the transmission sleeve, the movable sleeve extends into the second through groove, a transmission external thread is arranged on the outer circumferential surface of the movable sleeve, a transmission internal thread is arranged on the inner circumferential surface of the second through groove, and the transmission external thread is meshed with