阅读说明：本技术 转向系统及车辆 (Steering system and vehicle ) 是由 李小俊 赵康波 闫新新 于 2020-05-09 设计创作，主要内容包括：本发明公开了一种转向系统及车辆,其中,转向系统中的转向管柱包括转轴组件和套管组件,转轴组件包括与转向盘连接的第一转轴段以及与第一转轴段连接的第二转轴段,第一转轴段用于安装车辆的点火开关,第二转轴段用于与助力电机的输出轴连接,套管组件包括相互套接的第一套管和第二套管,且第二转轴段穿设于第一套管和第二套管内,助力电机的外壳设置在第二套管远离第一套管的一端,位置调节机构设置在第一套管和第二套管的套接处。本发明通过调整第二转轴段、第一套管和第二套管的长度确定不同车型的转向盘、助力电机和位置调节机构的位置,使得转向盘、助力电机和位置调节机构具有普适性,达到缩短汽车开发周期和降低开发成本的目的。(The invention discloses a steering system and a vehicle, wherein a steering column in the steering system comprises a rotating shaft assembly and a sleeve assembly, the rotating shaft assembly comprises a first rotating shaft section connected with a steering wheel and a second rotating shaft section connected with the first rotating shaft section, the first rotating shaft section is used for installing an ignition switch of the vehicle, the second rotating shaft section is used for being connected with an output shaft of a power-assisted motor, the sleeve assembly comprises a first sleeve and a second sleeve which are mutually sleeved, the second rotating shaft section penetrates through the first sleeve and the second sleeve, a shell of the power-assisted motor is arranged at one end, far away from the first sleeve, of the second sleeve, and a position adjusting mechanism is arranged at the sleeved position of the first sleeve and the second sleeve. According to the invention, the positions of the steering wheel, the power-assisted motor and the position adjusting mechanism of different vehicle types are determined by adjusting the lengths of the second rotating shaft section, the first sleeve and the second sleeve, so that the steering wheel, the power-assisted motor and the position adjusting mechanism have universality, and the purposes of shortening the development period of an automobile and reducing the development cost are achieved.)

1. A steering system, characterized in that, steering system is including steering wheel, steering column and helping hand motor that connect gradually to and set up the position control mechanism on the steering column, the steering column includes:

the rotating shaft assembly comprises a first rotating shaft section and a second rotating shaft section, the first rotating shaft section is connected with the steering wheel, the second rotating shaft section is connected with the first rotating shaft section, the first rotating shaft section is used for installing an ignition switch of a vehicle, and the second rotating shaft section is used for being connected with an output shaft of the power-assisted motor;

the thimble assembly, the thimble assembly is including the first sleeve pipe and the second sleeve pipe that cup joint each other, just second pivot section is worn to locate first sleeve pipe with in the second sleeve pipe, wherein, the shell setting of helping hand motor is in the second sleeve pipe is kept away from first sheathed tube one end, position control mechanism sets up first sleeve pipe with the second sheathed tube department of cup jointing.

2. The steering system according to claim 1, wherein the second spindle section includes a first spindle pipe, a coupling shaft, and a torsion bar, which are connected in sequence, the first spindle pipe is connected to the first spindle section, a first spline groove is formed on an inner wall surface of the first spindle pipe, a first spline tooth that is engaged with the first spline groove is formed at one end of the coupling shaft, a first coupling hole that is interference-engaged with the torsion bar is formed at the other end of the coupling shaft, and one end of the torsion bar, which is away from the coupling shaft, is used for being connected to an output shaft of the power-assisted motor.

3. The steering system of claim 1, wherein the position adjustment mechanism includes a mounting bracket for coupling to a body of the vehicle, a clamping assembly disposed on the mounting bracket for clamping the socket, and an adjustment assembly disposed on the clamping assembly for coupling to the socket to adjust an angle of the socket assembly.

4. The steering system of claim 3, wherein the clamping assembly includes a clamping bracket disposed on the mounting bracket, and a clamping bolt disposed on the clamping bracket for clamping the socket to the clamping bracket.

5. The steering system of claim 4, wherein the clamp bracket includes a base plate connected to the mounting bracket, and first and second side plates disposed on opposite sides of the base plate, the sleeve joint is arranged between the first side plate and the second side plate, the clamping bolt comprises a clamping screw rod arranged on the first side plate and the second side plate in a penetrating way, a clamping nut and a clamping gasket which are sleeved on the clamping screw rod, the clamping nut is arranged on one side of the first side plate, which is far away from the second side plate, the clamping gasket is arranged on one side of the second side plate, which is far away from the first side plate, the clamping gasket is used for limiting one end of the clamping screw on the second side plate, and the clamping nut is used for adjusting the distance between the first side plate and the second side plate so as to clamp or loosen the sleeve joint.

6. The steering system according to claim 5, wherein the first side plate is provided with a first adjusting opening through which the clamping screw passes, the adjusting assembly includes a driving member, a thrust member and an adjusting support, the driving member is disposed between the thrust member and the clamping nut, the adjusting support is disposed between the first side plate and the second side plate, the adjusting support is connected to the sleeve joint, and the driving member is configured to drive the clamping screw to deflect in the first adjusting opening so as to drive the sleeve assembly to perform angle adjustment through the adjusting support.

7. The steering system according to claim 5, wherein the mounting bracket is provided with a mounting pin, and the base plate is provided with a pin hole matched with the mounting pin; still be provided with joint spare on the installing support, joint spare is located the below of installation round pin, press from both sides tight support still include with the sideboard of base plate connection, the upper end of sideboard with joint spare block, the lower extreme of sideboard with the shell of helping hand motor passes through the elastic component and is connected.

8. The steering system according to any one of claims 1 to 7, further comprising a transmission assembly, the transmission assembly comprises a first universal joint, a transmission sleeve, a transmission shaft and a second universal joint which are connected in sequence, the first universal joint is connected with an output shaft of the power-assisted motor, the transmission sleeve comprises a first transmission pipe section connected with the first universal joint and a second transmission pipe section connected with the first transmission pipe section, the second transmission pipe section is provided with a second spline groove, the transmission shaft comprises a first transmission shaft section and a second transmission shaft section connected with the first transmission shaft section, and a second spline tooth matched with the second spline groove is formed on the first transmission shaft section, the second transmission shaft section is connected with a second universal joint, and the second universal joint is connected with the steering gear component.

9. The steering system according to claim 8, further comprising a steering gear assembly including a steering housing and disposed within the steering housing an input shaft connected to the second universal joint, a rack body in meshing connection with the input shaft, a ball socket disposed at one end of the rack body, and a tie rod body including a first steering bulb disposed within the ball socket, a tie rod portion connected to the first steering bulb, and a second steering bulb connected to the tie rod portion, the second steering bulb being adapted to be connected to a wheel of the vehicle to control steering of the wheel.

10. A vehicle characterized in that the vehicle comprises a steering system according to any one of claims 1 to 9.

Technical Field

The invention relates to the technical field of vehicle manufacturing, in particular to a steering system and a vehicle.

Background

With the gradual saturation of the global automobile market, the competition of each large automobile enterprise also enters the stage of thermalization, and how to develop automobile products with cheaper price and more reliable quality at a higher speed becomes the key for enterprises to win. At present, when a new automobile type is developed each time, because the heights and the widths of automobile bodies of different automobile types are different, other parts except a steering wheel in a steering system need to be developed again, so that the whole automobile development period is long, and the development cost is high.

Accordingly, there is a need for a steering system and vehicle that overcomes or alleviates at least the above-mentioned deficiencies of the prior art.

Disclosure of Invention

The invention mainly aims to provide a steering system and a vehicle, and aims to solve the technical problems that the whole automobile development period is long and the development cost is high due to the fact that other parts except a steering wheel of the steering system of different automobile types need to be redeveloped.

In order to achieve the above object, the present invention provides a steering system and a vehicle, wherein the steering system includes a steering wheel, a steering column, a power-assisted motor, and a position adjusting mechanism disposed on the steering column, the steering column includes a rotating shaft assembly and a sleeve assembly, the rotating shaft assembly includes a first rotating shaft section connected to the steering wheel, and a second rotating shaft section connected to the first rotating shaft section, the first rotating shaft section is used for mounting an ignition switch of the vehicle, the second rotating shaft section is used for connecting to an output shaft of the power-assisted motor, the sleeve assembly includes a first sleeve and a second sleeve that are sleeved to each other, and the second rotating shaft section is inserted into the first sleeve and the second sleeve, wherein a housing of the power-assisted motor is disposed at one end of the second sleeve far from the first sleeve, the position adjusting mechanism is arranged at the sleeving joint of the first sleeve and the second sleeve.

Preferably, the second rotating shaft section comprises a first rotating shaft tube, a coupling shaft and a torsion bar which are sequentially connected, the first rotating shaft tube is connected with the first rotating shaft section, a first spline groove is formed in the inner wall surface of the first rotating shaft tube, a first spline tooth matched with the first spline groove is formed at one end of the coupling shaft, a first coupling hole in interference fit with the torsion bar is formed at the other end of the coupling shaft, and one end, far away from the coupling shaft, of the torsion bar is used for being connected with an output shaft of the power-assisted motor.

Preferably, the position adjusting mechanism comprises a mounting bracket for connecting with a body of the vehicle, a clamping assembly arranged on the mounting bracket, and an adjusting assembly arranged on the clamping assembly, wherein the clamping assembly is used for clamping the sleeve joint, and the adjusting assembly is used for connecting with the sleeve joint to adjust the angle of the sleeve assembly.

Preferably, the clamping assembly comprises a clamping bracket arranged on the mounting bracket, and a clamping bolt arranged on the clamping bracket, wherein the clamping bolt is used for clamping the sleeve joint on the clamping bracket.

Preferably, press from both sides tight support include with the base plate that the installing support is connected and divide and locate the first curb plate and the second curb plate of base plate both sides, the department of cup jointing sets up first curb plate with between the second curb plate, clamping bolt is including wearing to locate first curb plate with clamping screw on the second curb plate and cover are located clamping nut and the tight gasket of clamp on the clamping screw, clamping nut sets up first curb plate deviates from one side of second curb plate, clamping gasket sets up second curb plate deviates from one side of first curb plate, clamping gasket be used for with clamping screw's one end restriction is in on the second curb plate, clamping nut is used for adjusting first curb plate with distance between the second curb plate is with press from both sides tightly or relax the department of cup jointing.

Preferably, a first adjusting opening is formed in the first side plate, the first adjusting opening is used for allowing the clamping screw to penetrate through, the adjusting assembly comprises a driving piece, a thrust piece and an adjusting support, the driving piece, the thrust piece and the first side plate are arranged on the clamping screw, the thrust piece is abutted to one side, away from the second side plate, of the first side plate, the driving piece is arranged between the thrust piece and the clamping nut, the adjusting support is arranged between the first side plate and the second side plate, the adjusting support is connected with the sleeve joint, and the driving piece is used for driving the clamping screw to deflect in the first adjusting opening so as to drive the sleeve assembly to adjust the angle through the adjusting support.

Preferably, the mounting bracket is provided with a mounting pin, and the base plate is provided with a pin hole matched with the mounting pin; still be provided with joint spare on the installing support, joint spare is located the below of installation round pin, press from both sides tight support still include with the sideboard of base plate connection, the upper end of sideboard with joint spare block, the lower extreme of sideboard with the shell of helping hand motor passes through the elastic component and is connected.

Preferably, the steering system further includes a transmission assembly, the transmission assembly includes a first universal joint, a transmission sleeve, a transmission shaft and a second universal joint which are connected in sequence, the first universal joint is connected with an output shaft of the power-assisted motor, the transmission sleeve includes a first transmission pipe section connected with the first universal joint and a second transmission pipe section connected with the first transmission pipe section, a second spline groove is formed on the second transmission pipe section, the transmission shaft includes a first transmission shaft section and a second transmission shaft section connected with the first transmission shaft section, a second spline tooth matched with the second spline groove is formed on the first transmission shaft section, the second transmission shaft section is connected with the second universal joint, and the second universal joint is connected with the steering assembly.

Preferably, the steering system still includes the steering gear subassembly, the steering gear subassembly includes turns to the casing and sets up input shaft, rack body, ball key seat and pull rod body in turning to the casing, the input shaft with the second universal joint is connected, the rack body with the input shaft meshing is connected, the ball key seat sets up the one end of rack body, the pull rod body including set up first turn round bulb portion in the ball key seat, with the pull rod portion that first turn round bulb portion is connected, and with the second turn round bulb portion that the pull rod portion is connected, the second turn round bulb portion be used for with the wheel of vehicle is connected, in order to control the wheel turns to.

Preferably, the axis of the steering column, the axis of the transmission assembly and the axis of the input shaft of the steering gear assembly are arranged in the same plane, and a first included angle between the axis of the steering column and the axis of the transmission assembly is equal to a second included angle between the axis of the transmission assembly and the axis of the input shaft of the steering gear assembly.

Furthermore, the invention also provides a vehicle, wherein the vehicle comprises the steering system.

In the technical scheme of the invention, as the steering column of the steering system comprises the rotating shaft assembly and the sleeve assembly, the rotating shaft assembly comprises a first rotating shaft section connected with the steering wheel and a second rotating shaft section connected with the first rotating shaft section, the first rotating shaft section is used for installing an ignition switch of a vehicle, the second rotating shaft section is used for connecting with an output shaft of the power-assisted motor, the sleeve assembly comprises a first sleeve and a second sleeve which are mutually sleeved, and the second rotating shaft section is arranged in the first sleeve and the second sleeve in a penetrating way, wherein, the shell of the power-assisted motor is arranged at one end of the second sleeve far away from the first sleeve, the position adjusting mechanism is arranged at the sleeve joint of the first sleeve and the second sleeve, i.e., when developing steering systems of different vehicle types, the length of the first shaft segment can be kept unchanged due to the modular design of the ignition switch, namely, the distance between the steering wheel and the power-assisted motor of different vehicle types can be determined by adjusting the length of the second rotating shaft section; meanwhile, the sleeve joint can be determined by adjusting the lengths of the first sleeve and the second sleeve, and then the position adjusting mechanisms of different vehicle types can be determined. Therefore, in the invention, the installation positions of the steering wheel, the power-assisted motor and the position adjusting mechanism of different vehicle types can be determined by adjusting the lengths of the second rotating shaft section, the first sleeve and the second sleeve, so that the steering wheel, the power-assisted motor and the position adjusting mechanism in the steering system have universal adaptability, and the purposes of shortening the development period of the vehicle and reducing the development cost are achieved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a schematic structural view of a steering system according to an embodiment of the present invention;

FIG. 2 is a schematic structural view of a steering column, a power-assisted motor and a position adjusting mechanism in the steering system according to the embodiment of the present invention;

FIG. 3 is a schematic structural view of a steering column in the steering system according to the embodiment of the present invention;

FIG. 4 is a cross-sectional view A-A of FIG. 3 according to an embodiment of the present invention;

FIG. 5 is a schematic structural view of a position adjusting mechanism in a steering system according to an embodiment of the present invention;

FIG. 6 is a schematic structural view of a clamp assembly in a steering system according to an embodiment of the present invention;

FIG. 7 is a schematic structural view of a transmission assembly in a steering system according to an embodiment of the present invention;

FIG. 8 is an exploded view of the transmission assembly in the steering system of an embodiment of the present invention;

FIG. 9 is a partial cross-sectional view of a diverter assembly in the steering system of an embodiment of the present invention;

fig. 10 is a partial structural schematic view of a steering system according to an embodiment of the present invention.

The implementation, functional features and advantages of the objects of the present invention will be further explained with reference to the accompanying drawings.

The reference numbers illustrate:

Detailed Description

It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

Referring to fig. 1 to 4, the present invention provides a steering system, which includes a steering wheel 1, a steering column 2 and a power-assisted motor 3 connected in sequence, and a position adjusting mechanism 4 arranged on the steering column 2, the steering column 2 comprises a rotating shaft component 21 and a sleeve component 22, the rotating shaft component 21 comprises a first rotating shaft section 211 connected with the steering wheel 1 and a second rotating shaft section 212 connected with the first rotating shaft section 211, the first rotating shaft section 211 is used for installing an ignition switch of a vehicle, the second rotating shaft section 212 is used for connecting with an output shaft of the power-assisted motor 3, the sleeve component 22 comprises a first sleeve 221 and a second sleeve 222 which are mutually sleeved, and the second rotating shaft section 212 is arranged in the first sleeve 221 and the second sleeve 222 in a penetrating way, wherein, the housing of the assisting motor 3 is arranged at one end of the second sleeve 222 far away from the first sleeve 221, and the position adjusting mechanism 4 is arranged at the sleeve joint of the first sleeve 221 and the second sleeve 222. It should be noted that, in the present invention, the ignition switch mounted on the first shaft segment 211 is generally of a modular design.

In the technical solution of the present invention, since the steering column 2 of the provided steering system includes the rotating shaft assembly 21 and the sleeve assembly 22, the rotating shaft assembly 21 includes the first rotating shaft section 211 connected to the steering wheel 1, and the second rotating shaft section 212 connected to the first rotating shaft section 211, the first rotating shaft section 211 is used for mounting an ignition switch of the vehicle, the second rotating shaft section 212 is used for connecting to an output shaft of the power-assisted motor 3, the sleeve assembly 22 includes the first sleeve 221 and the second sleeve 222 that are sleeved with each other, and the second rotating shaft section 212 is inserted into the first sleeve 221 and the second sleeve 222, wherein a housing of the power-assisted motor 3 is disposed at an end of the second sleeve 222 away from the first sleeve 221, the position adjusting mechanism 4 is disposed at the sleeved position of the first sleeve 221 and the second sleeve 222, that is, when developing steering systems of different models, the length of the first rotating shaft section 211 can be kept unchanged due to the modular design of the ignition switch, namely, the distance between the steering wheel 1 and the power-assisted motor 3 of different vehicle types can be determined by adjusting the length of the second rotating shaft section 212; meanwhile, the length of the first sleeve 221 and the second sleeve 222 can be adjusted to determine the sleeve joint, so as to determine the position adjusting mechanisms 4 of different vehicle types. Therefore, in the invention, the installation positions of the steering wheel 1, the power-assisted motor 3 and the position adjusting mechanism 4 of different vehicle types can be determined by adjusting the lengths of the second rotating shaft section 212, the first sleeve 221 and the second sleeve 222, so that the steering wheel 1, the power-assisted motor 3 and the position adjusting mechanism 4 in the steering system have universal adaptability, and the purposes of shortening the development period of the vehicle and reducing the development cost are achieved.

In an embodiment, the second rotating shaft section 212 includes a first rotating shaft tube 213, a coupling shaft 214 and a torsion bar 215, which are connected in sequence, the first rotating shaft tube 213 is connected to the first rotating shaft section 211, an inner wall surface of the first rotating shaft tube 213 is provided with a first spline groove (not shown), one end of the coupling shaft 214 is formed with a first spline tooth 216 engaged with the first spline groove, the other end of the coupling shaft 214 is provided with a first coupling hole (not shown) interference-fitted with the torsion bar 215, and one end of the torsion bar 215 far from the coupling shaft 214 is used for connecting with an output shaft of the power assisting motor 3. More specifically, the first rotating shaft section 211 may be a second rotating shaft pipe, and the second rotating shaft pipe and the first rotating shaft pipe 213 may be an integrally formed hollow shaft. Namely, the weight of the first rotating shaft tube 213 can be reduced, and the bearing capacity and the centering performance of the rotating shaft assembly 21 can be improved by matching the first spline grooves with the first spline teeth 216 on the coupling shaft 214, meanwhile, a coupling space can be provided on the output shaft of the power-assisted motor 3, the coupling space comprises a second coupling hole for accommodating one end of the coupling shaft 214 close to the power-assisted motor 3 and a third coupling hole for accommodating one end of the torsion bar 215 extending out of the coupling shaft 214, and the torsion bar 215 and the third coupling hole can be in interference fit, so that the reliability and the centering performance of transmission can be ensured by using the torsion bar 215 which is respectively in interference connection with the coupling shaft 214 and the output shaft of the power-assisted motor 3. In addition, the steering column 2 includes a bearing member 217 disposed between the first rotor shaft tube 213 and the first bushing 221.

Meanwhile, in the present invention, one end of the sleeve assembly 22 close to the steering wheel 1 may be used as a dividing point for dividing the first spindle section 211 and the second spindle section 212, the first sleeve 221 in the sleeve assembly 22 may be disposed at one end close to the steering wheel 1, the second sleeve 222 may be disposed at one end close to the power assisting motor 3, the first sleeve 221 may be sleeved on an outer side of the second sleeve 222, and the second sleeve 222 may be sleeved on an inner side of the first sleeve 221, that is, one end of the first sleeve 221 close to the steering wheel 1 may be used as a dividing point for dividing the first spindle section 211 and the second spindle section 212 in the spindle assembly 21. Of course, the housing of the assist motor 3 may be disposed at an end of the second bushing 222 remote from the first bushing 221.

In one embodiment, referring to fig. 2, 3 and 5, the position adjustment mechanism 4 includes a mounting bracket 41 for coupling with a body of a vehicle, a clamping assembly 42 disposed on the mounting bracket 41, the clamping assembly 42 for clamping the socket, and an adjustment assembly 43 disposed on the clamping assembly 42, the adjustment assembly 43 for coupling with the socket to adjust the angle of the bushing assembly 22. Since the first casing 221 can be sleeved on the outer side of the second casing 222, the second casing 222 can be sleeved on the inner side of the first casing 221, that is, the sleeved position can be that the first casing 221 is sleeved on the outer side of the second casing 222 correspondingly. The clamping assembly 42 can clamp the socket and is coupled to the socket via the adjustment assembly 43 to adjust the angle of the sleeve assembly 22 to reliably achieve the angle adjustment function of the steering column 2. In addition, the mounting bracket 41 may be fixedly mounted to the vehicle body by screws 418.

Specifically, referring to fig. 2, 5 and 6, the clamping assembly 42 includes a clamping bracket 421 disposed on the mounting bracket 41, and a clamping bolt 422 disposed on the clamping bracket 421, the clamping bolt 422 being used to clamp the socket joint to the clamping bracket 421. Furthermore, the clamping bracket 421 includes a base plate 423 connected to the mounting bracket 41, and a first side plate 424 and a second side plate 425 respectively disposed on two sides of the base plate 423, the socket is disposed between the first side plate 424 and the second side plate 425, the clamping bolt 422 includes a clamping screw 428 penetrating through the first side plate 424 and the second side plate 425, and a clamping nut 429 and a clamping washer 420 sleeved on the clamping screw 428, the clamping nut 429 is disposed on a side of the first side plate 424 facing away from the second side plate 425, the clamping washer 420 is disposed on a side of the second side plate 425 facing away from the first side plate 424, the clamping washer 420 is configured to limit one end of the clamping screw 428 on the second side plate 425, and the clamping nut 429 is configured to adjust a distance between the first side plate 424 and the second side plate 425 so as to clamp or loosen the socket. The clamping screw 428 may abut with a side of the clamping washer 420 facing away from the second side plate 425 and abut the clamping washer 420 against the second side plate 425, so that the movement of one end of the clamping screw 428 may be limited by the clamping washer 420, and at the same time, the clamping nut 429 is in threaded fit with the clamping screw 428, so that the first side plate 424 may be close to or away from the second side plate 425 by adjusting the clamping nut 429, so that the clamping bracket 421 clamps or releases the sleeve assembly 22.

In an embodiment, the first side plate 424 is provided with a first adjusting opening 436 through which the clamping screw 428 passes, the adjusting assembly 43 includes a driving member 431, a thrust member 432 and an adjusting support 433, the thrust member 432 is abutted against a side of the first side plate 424, which is away from the second side plate 425, the driving member 431 is disposed between the thrust member 432 and the clamping nut 429, the adjusting support 433 is disposed between the first side plate 424 and the second side plate 425, the adjusting support 433 is connected to the socket joint, and the driving member 431 is used for driving the clamping screw 428 to deflect in the first adjusting opening 436, so as to drive the sleeve assembly 22 to perform angle adjustment through the adjusting support 433. In addition, the driving member 431 may be an adjustable handle, the thrust member 432 may be a thrust bearing, the adjustable handle and the thrust bearing are sleeved in the clamping bolt 422, and the caliber of the first adjusting opening 436 should be larger than the diameter of the clamping screw 428, so that when a force is applied to the adjustable handle, the clamping screw 428 may be driven to deflect at an angle in the first adjusting opening 436, because the adjustable support 433 is disposed on the clamping screw 428, and the adjustable support 433 is connected with the sleeved portion, that is, the clamping screw 428 deflects at an angle, the adjustable support 433 and the sleeve assembly 22 may be driven to deflect at the same time, thereby effectively achieving an angle adjusting function of the steering column 2. That is, in the present invention, the adjustment unit 43 can be provided on the clamp unit 42, and the two can be effectively combined, thereby reducing the number of redundant parts and further reducing the development cost. Of course, in the present invention, the second side plate 425 is further provided with a second adjustment hole 437 through which the clamping bolt 422 passes, and the diameter of the second adjustment hole 437 may be set to be sufficient for the clamping bolt 422 to pass through without causing the clamping washer 420 to pass through.

Further, the adjusting support 433 includes a first supporting portion 434 and a second supporting portion 435 penetrating through the clamping bolt 422, the first supporting portion 434 is abutted against one side of the first side plate 424 facing the second side plate 425, the second supporting portion 435 is abutted against one side of the second side plate 425 facing the first side plate 424, the upper end of the first supporting portion 434 and the upper end of the second supporting portion 435 can be connected through a hinge, and also can be directly and fixedly connected, the lower end of the first supporting portion 434 is provided with a buckling portion, the lower end of the second supporting portion 435 is provided with a buckling opening for buckling the buckling portion, and the sleeving portion can be respectively connected with the first supporting portion 434 and the second supporting portion 435, so that the connection area can be increased, and the reliability that the sleeve assembly 22 is driven to generate angular deflection through the adjusting support 433 is ensured. Of course, the present invention is not limited thereto, and it is also possible that the adjustment assembly 43 does not include the adjustment support 433, i.e., the socket is directly connected to the clamping screw 428.

In an embodiment, referring to fig. 1 and 2, and fig. 5 and 6 again, the mounting bracket 41 is provided with a mounting pin 416, and the base plate 423 is provided with a pin hole (not labeled) matching with the mounting pin 416; the mounting bracket 41 is further provided with a clamping piece 417, the clamping piece 417 is located below the mounting pin 416, the clamping bracket 421 further comprises a side plate 426 connected with the base plate 423, the upper part of the side plate 426 is clamped with the clamping piece 417, and the lower end of the side plate 426 is connected with the shell of the power-assisted motor 3 through an elastic piece 44. Specifically, the mounting bracket 41 includes a first mounting plate 411, a second mounting plate 412 and a third mounting plate 413 bent and extended from both sides of the first mounting plate 411, respectively, and a fourth mounting plate 414 bent and extended from the second mounting plate 412 in a direction away from the third mounting plate 413 and a fifth mounting plate 415 bent and extended from the third mounting plate 413 in a direction away from the second mounting plate 412. The fourth mounting plate 414 and the fifth mounting plate 415 are respectively provided with a screw 418 for connecting with a vehicle body, a base plate 423 of the clamping bracket 421 can be attached to the first mounting plate 411, a first side plate 424 can be attached to the second mounting plate 412, a second side plate 425 can be attached to the third mounting plate 413, the mounting pin 416 can be arranged on the first mounting plate 411, the number of the clamping pieces 417 can be two, and the two clamping pieces 417 can be respectively arranged on the fourth mounting plate 414 and the fifth mounting plate 415. The number of the side plates 426 may be two, two side plates 426 may be respectively bent and extended from two sides of the base plate 423, one of the side plates 426 is attached to the second mounting plate 412 and engaged with the engaging member 417 on the fourth mounting plate 414, and the other side plate 426 is attached to the third mounting plate 413 and engaged with the engaging member 417 on the fifth mounting plate 415. In addition, the end of each of the two side plates 426 facing away from the corresponding clip 417 is provided with a first mounting hole 427 for mounting the elastic member 44, and meanwhile, the housing of the power assisting motor 3 located below the position adjusting mechanism 4 is provided with a second mounting hole 31, the elastic member 44 may be a spring, one end of the spring is disposed on the first mounting hole 427, and the other end of the spring is disposed on the second mounting hole 31. That is, when the vehicle has a violent impact, the mounting pin 416 falls off or breaks, and the clamping piece 417 is arranged below the upper side plate 426, so that the side plate 426 can be separated from the clamping action of the clamping piece 417, and the clamping support 421 falls off from the mounting support 41, so that the whole steering column 2 and the steering wheel 1 can be driven to fall through the sleeve joint, and the safety of a driver is protected.

In an embodiment, referring to fig. 1, 7 and 8, the steering system further includes a transmission assembly 5, the transmission assembly 5 includes a first universal joint 51, a transmission sleeve 52, a transmission shaft 53 and a second universal joint 55, which are sequentially connected, the first universal joint 51 is connected to the output shaft of the power assisting motor 3, the transmission sleeve 52 includes a first transmission shaft section 521 connected to the first universal joint 51 and a second transmission shaft section 522 connected to the first transmission shaft section 521, a second spline groove is formed on the second transmission shaft section 522, the transmission shaft 53 includes a first transmission shaft section 531 and a second transmission shaft section 532 connected to the first transmission shaft section 531, a second spline tooth 533 matched to the second spline groove is formed on the first transmission shaft section 531, the second transmission shaft section 532 is connected to the second universal joint 55, and the second universal joint 55 is connected to the steering gear assembly 6. First universal joint 51 includes a first inner joint yoke 511 connected to the output shaft of assist motor 3, and a first outer joint yoke 512 connected to first inner joint yoke 511, first outer joint yoke 512 being connected to first driveshaft section 521, and second universal joint 55 includes a second inner joint yoke 551 connected to second driveshaft section 532, and a second outer joint yoke 552 connected to second inner joint yoke 551. The external diameter of first transmission pipe section 521 can be greater than second transmission pipe section 522, and the internal diameter of first transmission pipe section 521 also can be greater than second transmission pipe section 522, and the upper end of second transmission pipe section 522 can be seted up with the second spline groove of second spline tooth 533 complex, can also be provided with the ring 56 of moulding plastics between second transmission pipe section 522 and the first transmission shaft section 531, the ring 56 of moulding plastics can play the spacing effect of axial to transmission shaft 53, make transmission shaft 53 and transmission sleeve 52 when plug repeatedly, can not lead to because of frictional force and drop, improve the reliability of installation. In addition, the lower end of the second transmission pipe section 522 can be connected with the transmission shaft 53 through the limit pin 54, that is, when the vehicle is violently collided, the limit pin 54 is dropped or broken, the steering column 2 and the steering wheel 1 can be driven to descend, and the safety of a driver is protected. In the present invention, the first transmission pipe section 521 and the second transmission pipe section 522 may be provided with a second spline as a boundary point, the first transmission pipe section 531 and the second transmission shaft section 532 may be provided with a terminal end of the second transmission pipe section 522 as a boundary point, that is, the length of the second transmission pipe section 522 may be the same as the length of the first transmission pipe section 531, and the length of the second transmission shaft section 532 may be a collapsing stroke of the transmission assembly 5. Meanwhile, the lengths of the first transmission pipe section 521, the second transmission pipe section 522/the first transmission shaft section 531 and the second transmission shaft section 532 are adjusted to determine the transmission assemblies 5 of different vehicle types, so that the structure of the transmission assembly 5 in the steering system has universal adaptability, and the aims of further shortening the development period of the vehicle and reducing the development cost are fulfilled.

In one embodiment, referring to fig. 1 and 9, the steering system further includes a steering gear assembly 6, the steering gear assembly 6 includes a steering housing 61, and an input shaft 62, a rack body 63, a ball pin seat 64, and a tie rod body 65 disposed in the steering housing 61, the input shaft 62 is connected to the second universal joint 55, the rack body 63 is connected to the input shaft 62 in a meshed manner, the ball pin seat 64 is disposed at one end of the rack body 63, the tie rod body 65 includes a first steering ball head portion 651 disposed in the ball pin seat 64, a tie rod portion 652 connected to the first steering ball head portion 651, and a second steering ball head portion 653 connected to the tie rod portion 652, and the second steering ball head portion 653 is configured to be connected to a wheel of the vehicle to control steering of the wheel. The input shaft 62 of the steering gear assembly 6 can include a transmission gear, the rack body 63 is in gear engagement with the transmission gear, the number of the ball pin bases 64 and the number of the pull rod bodies 65 are two, the two ball pin bases 64 are respectively arranged on two sides of the rack body 63, the two pull rod bodies 65 and the two ball pin bases 64 are arranged in a one-to-one correspondence manner, the input shaft 62 rotates to drive the rack body 63 to move left and right, and therefore the two ball pin bases 64 respectively drive the corresponding pull rod bodies 65 to control the steering of the wheels. In addition, the ball pin seat 64 includes a pin seat body 641 and a bushing 642, the pin seat body 641 is opened with a pin seat hole, the bushing 642 is disposed in the pin seat hole, and the first turning ball head portion 651 is disposed in the pin seat hole, the bushing 642 can support load and transmit motion between the first turning ball head portion 651 and the pin seat hole. In the invention, the length of the pull rod portion 652 of the pull rod body 65 can be adjusted to determine the steering gear component 6 of vehicle types with different vehicle body widths, so that the structures of the steering shell 61, the input shaft 62, the rack body 63 and the ball pin seat 64 can be prevented from being developed again, and the purposes of further shortening the development period of the vehicle and reducing the development cost can be achieved. Further, a step portion 611 facing the ball pin seat 64 is formed on the inner cavity of the turn housing 61, and the step portion 611 serves to restrict the movement of the ball pin seat 64.

Meanwhile, referring to fig. 10, the axis of the steering column 2, the axis of the transmission assembly 5, and the axis of the input shaft 62 of the steering gear assembly 6 are disposed in the same plane, and a first angle α between the axis of the steering column 2 and the axis of the transmission assembly 5 is equal to a second angle β between the axis of the transmission assembly 5 and the axis of the input shaft 62 of the steering gear assembly 6, i.e., α β. Therefore, torque fluctuation caused by the first universal joint 51 and the second universal joint 55 in the steering process can be reduced, and the driving experience of a driver is improved. That is, in the present invention, the steering systems of different vehicle types can be arranged in the same plane according to the arrangement of the axis of the steering column 2, the axis of the transmission assembly 5 and the axis of the input shaft 62 of the steering assembly 6, and the arrangement of the first included angle α and the second included angle β is equal, so that the structure of the steering system has general adaptability, and the purposes of further shortening the development cycle of the vehicle and reducing the development cost are achieved.

Furthermore, the invention also provides a vehicle, wherein the vehicle comprises the steering system. Since the vehicle adopts all the technical solutions of the above embodiments, at least all the beneficial effects brought by the technical solutions of the above embodiments are achieved, and no further description is given here.

The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.