CN215622251U

CN215622251U - Steering mechanism for electric automobile suspension

Info

Publication number: CN215622251U
Application number: CN202122090739.4U
Authority: CN
Inventors: 陈正奇
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-08-31
Filing date: 2021-08-31
Publication date: 2022-01-25
Anticipated expiration: 2031-08-31

Abstract

The utility model belongs to the technical field of automobile steering, and particularly discloses a steering mechanism for an electric automobile suspension, which comprises a frame, wheels of an integrated hub motor and a shock absorber, wherein two ends of a middle arm at the lower end of the frame are respectively hinged with a lower swing arm, the lower swing arm is connected with the wheels through a steering part, and the lower swing arm is hinged with the lower end of the frame through the shock absorber; the steering part comprises a mounting seat and a driving module, an output shaft of a hub motor of the wheel is connected with the mounting seat, the mounting seat is hinged with the lower swing arm, and the driving module is used for driving the mounting seat to rotate around the hinged position of the mounting seat and the lower swing arm, so that steering is realized. The device forms independent suspension through the lower swing arm, the middle arm, the frame and the shock absorber, and the steering part is arranged between the lower swing arm and the wheels, so that the improvement combination of the independent steering electric automobile steering system and the independent suspension is realized, the vehicle has stability, comfort and flexibility, and the turning radius is smaller.

Description

Steering mechanism for electric automobile suspension

Technical Field

The utility model relates to the technical field of automobile steering, in particular to a steering mechanism for an electric automobile suspension.

Background

At present, a steering system of an electric automobile with independent steering drives a wheel assembly by a steering motor to realize a steering function, each wheel of the steering system is provided with the steering motor, various driving modes can be realized, the sizes of corners of four wheels can be better distributed, and the driving flexibility of the automobile is improved;

however, most of the existing vehicles adopt independent suspensions to improve stability and comfort, and how to implement the steering system applied to the electric vehicle chassis adopting the independent suspensions to improve flexibility of the vehicle is a technical problem that needs to be solved urgently by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

In view of the problems in the prior art, the utility model aims to provide a steering mechanism for an electric automobile suspension, so that the vehicle has stability, comfort and flexibility and has a smaller turning radius.

In order to achieve the purpose, the technical scheme of the utility model is as follows:

designing a steering mechanism for an electric automobile suspension, which comprises a frame, wheels integrating a hub motor and a shock absorber, wherein two ends of a middle arm at the lower end of the frame are respectively hinged with a lower swing arm, the lower swing arms are connected with the wheels through steering parts, and the lower swing arms are hinged with the lower end of the frame through the shock absorber;

the steering portion comprises a mounting seat and a driving module, an output shaft of a hub motor of the wheel is connected with the mounting seat, the mounting seat is hinged to the lower swing arm, and the driving module is used for driving the mounting seat to rotate around the hinged position of the mounting seat and the lower swing arm, so that steering is achieved.

Furthermore, the mounting seat is hinged to the lower swing arm through a pin shaft, the pin shaft is fixedly connected with the mounting seat, and the driving module drives the pin shaft to rotate.

Further, the mount pad includes first horizontal plate and first vertical board, the upper end of first vertical board is located to first horizontal plate, wherein, output shaft connect in the lower extreme of first vertical board, just first horizontal plate is located the below of swing arm down, and first horizontal plate passes through the support bearing and connects swing arm down, just the support bearing is coaxial with the round pin axle that is fixed in first horizontal plate.

Further, the lower swing arm comprises a first horizontal section, a vertical section and a second horizontal section which are connected in sequence, the second horizontal section is located below the first horizontal plate and is parallel to the first horizontal plate, and the second horizontal section is connected with the first horizontal plate through the supporting bearing.

Further, the driving module comprises a motor and a speed reducer which are fixed on the second horizontal section, and the motor is connected with the pin shaft through the speed reducer.

Further, the motor is a servo motor.

Further, the driving module corresponding to each wheel is electrically connected with the controller.

Compared with the prior art, the steering mechanism for the electric automobile suspension is different in structure, the lower swing arm, the middle arm, the frame and the shock absorber form independent suspension, the steering part is arranged between the lower swing arm and the wheels, and the driving module drives the mounting seat to rotate to drive the wheels to swing to enable the vehicle to be capable of steering, so that the improvement and combination of the independent steering electric automobile steering system and the independent suspension are realized, the vehicle has stability, comfort and flexibility, and the turning radius is smaller.

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 drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a steering mechanism for an electric vehicle suspension.

In the figure: 1. the automobile comprises wheels, 2 a frame, 3 a shock absorber, 4 a middle arm, 5 a mounting seat, 501 a first vertical plate, 502 a first horizontal plate, 6 a lower swing arm, 601 a first horizontal section, 602 a vertical section, 603 a second horizontal section, 7 a supporting bearing and 8 a servo motor.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is to be understood that the described embodiments are merely exemplary of the utility model, and not restrictive of the full scope of the utility model. 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.

As shown in fig. 1, a steering mechanism for an electric vehicle suspension as a preferred embodiment of the present invention comprises a vehicle frame 2, a wheel 1 integrated with a wheel hub motor, and a shock absorber 3, wherein both ends of a middle arm 4 at the lower end of the vehicle frame 2 are respectively hinged with a lower swing arm 6, the lower swing arm 6 is connected with the wheel 1 through a steering part, the wheel 1 is directly driven to swing through the steering part, the steering is completed, and the lower swing arm 6 is hinged with the lower end of the vehicle frame 2 through the shock absorber 3;

the steering part comprises a mounting seat 5 and a driving module, an output shaft of a hub motor of the wheel 1 is connected with the mounting seat 5, the mounting seat 5 is hinged to the lower swing arm 6, and the driving module is used for driving the mounting seat 5 to rotate around the hinged position of the mounting seat and the lower swing arm 6, so that steering is achieved.

When the steering mechanism for the electric automobile suspension is applied, the lower swing arm 6, the middle arm 4, the frame 2 and the shock absorber 3 form an independent suspension, the steering part is arranged between the lower swing arm 6 and the wheel 1, and the mounting seat 5 is driven to rotate through the driving module to drive the wheel 1 to swing for playing the automobile so as to enable the automobile to be capable of steering, so that the improvement and combination of the independent steering electric automobile steering system and the independent suspension are realized, the automobile has stability, comfort and flexibility, and the turning radius is smaller.

In the above embodiment, the mounting seat 5 and the lower swing arm 6 are hinged through the pin shaft, the pin shaft is fixedly connected with the mounting seat 5, and the driving module drives the pin shaft to rotate, i.e., drives the mounting seat 5 to rotate, so as to drive the wheel 1 connected to the mounting seat 5 to rotate.

On the basis of the above embodiment, the mounting seat 5 includes a first horizontal plate 502 and a first vertical plate 501, the first horizontal plate 502 is disposed at the upper end of the first vertical plate 501, wherein the output shaft is connected to the lower end of the first vertical plate 501, the first horizontal plate 502 is located below the lower swing arm 6, the first horizontal plate 502 is connected to the lower swing arm 6 through a support bearing 7, the support bearing 7 is coaxial with a pin fixed to the first horizontal plate 502, so as to reduce the friction between the first horizontal plate 502 and the lower swing arm 6, and make the rotation smooth, and in addition, the height of the vehicle chassis can be raised through the second vertical plate to cope with complex road conditions; and lower swing arm 6 is including the first horizontal segment 601, vertical section 602 and the second horizontal segment 603 that connect gradually, second horizontal segment 603 is located first horizontal plate 502 below and both are parallel, wherein, second horizontal segment 603 connects first horizontal plate 502 through above-mentioned support bearing 7, realizes forming the space that holds drive module between first vertical board 501 and the vertical section 602, avoids drive module to be too close to ground, and can form the protective housing through first horizontal plate 502, first vertical board 501 and lower swing arm 6 to protect drive module.

Wherein the first horizontal segment 601 and the second horizontal segment 603 are parallel and perpendicular to the vertical segment 602, respectively.

More specifically, drive module is including being fixed in the motor and the reduction gear of second horizontal segment 603, the motor passes through the retarder connection the round pin axle, wherein, the motor is servo motor 8 to it is accurate to realize automatically controlled steering angle.

In the above embodiment, the driving module corresponding to each wheel 1 is electrically connected to the controller, and the controller can precisely control each steering portion to steer synchronously.

Finally, it should also be noted that, herein, relational terms such as first and second, and the like may be 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. Also, 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 an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

The embodiments in the present description are described in a progressive manner, each embodiment focuses on differences from other embodiments, and the same and similar parts among the embodiments are referred to each other.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A steering mechanism for an electric automobile suspension is characterized by comprising a frame, wheels integrating a hub motor and a shock absorber, wherein two ends of a middle arm at the lower end of the frame are respectively hinged with a lower swing arm, the lower swing arms are connected with the wheels through steering parts, and the lower swing arms are hinged with the lower end of the frame through the shock absorber;

2. The steering mechanism for the electric automobile suspension as claimed in claim 1, wherein the mounting seat and the lower swing arm are hinged through a pin shaft, the pin shaft is fixedly connected with the mounting seat, and the driving module drives the pin shaft to rotate.

3. The steering mechanism for an electric vehicle suspension according to claim 2, wherein the mount includes a first horizontal plate and a first vertical plate, the first horizontal plate being provided at an upper end of the first vertical plate, wherein the output shaft is connected to a lower end of the first vertical plate, and the first horizontal plate is located below the lower swing arm, and the first horizontal plate is connected to the lower swing arm through a support bearing, and the support bearing is coaxial with a pin fixed to the first horizontal plate.

4. The steering mechanism for an electric vehicle suspension according to claim 3, wherein the lower swing arm includes a first horizontal section, a vertical section, and a second horizontal section connected in series, the second horizontal section being located below the first horizontal plate and parallel to the first horizontal plate, wherein the second horizontal section is connected to the first horizontal plate through the support bearing.

5. The steering mechanism for an electric vehicle suspension according to claim 4, wherein the driving module comprises a motor fixed to the second horizontal section and a speed reducer, and the motor is connected to the pin shaft through the speed reducer.

6. The steering mechanism for an electric vehicle suspension of claim 5, wherein the motor is a servo motor.

7. The steering mechanism for an electric vehicle suspension of claim 6 wherein the drive module for each wheel is electrically connected to the controller.