Suspension and wheel-side driving assembly

Abstract

The utility model discloses a suspension and wheel-side driving assembly, which belongs to the technical field of automobile parts and comprises a frame, and a damping support component for reducing vibration is mounted at the upper end of the frame. The vibration reduction supporting assembly comprises a supporting device and a vibration reduction device, and the frame is connected with the supporting device and the vibration reduction device; wheel edge driving assemblies for driving a vehicle to run are mounted on the supporting devices and the vibration damping devices; a steering arm component for controlling the steering of the device is mounted on the frame, and the steering arm component is connected with the wheel edge driving assembly. By means of the mode, the lower longitudinal wall ball head is installed above the lower knuckle arm of the wheel edge driving assembly through the device, the ground clearance is increased, the trafficability of the whole vehicle is improved, meanwhile, when the vehicle runs on the uneven ground, the absorber vibrates, the KC characteristic of an equal-length double-longitudinal-arm suspension structure is benefited, and the vibration of the vehicle is reduced. The wheel track is changed while the backward inclination angle and the inward inclination angle are not changed in the up-and-down jumping process of the wheel end, and the control stability of the whole vehicle is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile parts, in particular to a suspension and wheel side drive assembly. Background Art

[0002] With the development of science and technology, cars have gradually become popular in every family, providing convenience to everyone's life. Car suspension is an indispensable and important component in car production and assembly. It can maintain good contact between the car's wheels and the ground so that the braking force can be accurately transmitted to the car body.

[0003] For example, Chinese utility model patent CN212373145U discloses an independent suspension drive system, which controls the stability and driving smoothness of the car through the wheel-side motor and the air suspension structure.

[0004] However, it still has the following disadvantages: the double wishbone suspension with wheel-side motors occupies a large space in the width of the vehicle. When the wheels jump up and down, the kingpin inclination angle, wheel camber angle, toe and other parameters will change, which will affect the handling of the vehicle, the response is slow, and there is no way to provide the car with greater torque.

[0005] Based on this, the utility model designs a suspension and wheel side drive assembly to solve the above problems. Utility Model Content

[0006] In view of the above-mentioned shortcomings of the prior art, the utility model provides a suspension and wheel-side drive assembly.

[0007] In order to achieve the above objectives, the present invention is implemented through the following technical solutions:

[0008] A suspension comprises a vehicle frame, comprising a vehicle frame (1), wherein a vibration reduction support assembly (2) for reducing vibration is installed at the upper end of the vehicle frame (1);

[0009] The vibration-damping support assembly (2) comprises a supporting device (21) and a vibration-damping device (22), and the vehicle frame (1) is connected to the supporting device (21) and the vibration-damping device (22);

[0010] A steering arm assembly (4) for controlling the steering of the device is installed on the vehicle frame (1).

[0011] Furthermore, the support device (21) comprises a ball head (211), a bushing (212), and a support arm (213); the upper and lower ends of the left and right sides of the frame (1) are respectively hingedly connected to the bushing (212); the front end of the bushing (212) is fixedly connected to the support arm (213); and the front end of the support arm (213) is fixedly connected to the ball head (211).

[0012] Furthermore, the vibration reduction device (22) comprises a vibration reduction device (221), a second bushing (222) and a third bushing (223); the second bushing (222) is fixedly connected to the left and right sides of the lower end of the frame (1); the second bushing (222) is fixedly connected to the vibration reduction device (221) via a nut; and the lower end of the vibration reduction device (221) is fixedly connected to the third bushing (223) via a nut.

[0013] Furthermore, the support arm (213) is trapezoidal.

[0014] Furthermore, the steering arm assembly (4) comprises a connecting rod (41), a second ball head (42), a third ball head (43) and a mounting support (44).

[0015] Furthermore, the lower end of the vehicle frame (1) is fixedly connected to a mounting support (44), the upper end of the mounting support (44) is rotatably connected to a plurality of ball heads (43), the opposite ends of the ball heads (43) are respectively fixedly connected to one end of the connecting rod (41), and the other end of the connecting rod (41) is fixedly connected to a ball head (42).

[0016] The utility model also provides a wheel-side drive assembly of a suspension, comprising a vehicle frame (1) and a wheel-side drive assembly (3), wherein the wheel-side drive assembly (3) is connected to a steering arm assembly (4), a supporting device (21) and a vibration reduction device (22);

[0017] The wheel side drive assembly (3) comprises a reducer (31), a drive motor (32), an end electromagnetic brake (33) and a wheel (34); the facing end of the ball head (211) is hingedly connected to the drive motor (32); the drive motor (32) is connected to the steering arm assembly (4); the facing end of the drive motor (32) is fixedly connected to the end electromagnetic brake (33); the opposite end of the drive motor (32) is fixedly connected to the reducer (31); and the opposite end of the reducer (31) is fixedly connected to the wheel (34) via a nut.

[0018] Furthermore, a variety of connecting parts are fixedly connected to the driving motor (32).

[0019] The utility model has the following technical effects:

[0020] 1. The utility model transmits vibration to the shock absorber through the bushing 3 of the shock absorbing device of the shock absorbing support assembly, absorbs the vibration through the shock absorber, fixes the shock absorber through the bushing 2, drives the support arm to rotate on the bushing 1 through the movement of the ball head 1 of the support device, installs the lower longitudinal wall ball head above the lower arm of the wheel side drive assembly through the device, increases the ground clearance and improves the passability of the whole vehicle, and at the same time, when the car is running on uneven ground, the absorber vibrates, benefits from the KC characteristics of the equal-length double longitudinal arm suspension structure, ensures that the wheelbase changes during the up and down jumping process of the wheel end but the castor and inclination angles remain unchanged, which is beneficial to the control stability of the whole vehicle.

[0021] 2. The utility model uses the driving motor of the wheel-side drive assembly to provide power to drive the reducer to rotate, and the reducer drives the wheels to rotate, and the end electromagnetic brake brake acts as a wheel-end parking brake. The wheels are directly driven by the driving device, which reduces the transmission shaft structure, is more efficient and responds faster. The two wheel-side motors on the rear axle can provide greater torque. At the same time, the embedded driving device reduces the space occupied by the width of the vehicle, facilitates the layout of the vehicle and improves the efficiency of space utilization. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the prior art descriptions are briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model, and for ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0023] Figure 1 A three-dimensional suspension and wheel side drive assembly of the utility model Figure 1 ;

[0024] Figure 2 It is a front view of a suspension and wheel side drive assembly of the utility model;

[0025] Figure 3 A three-dimensional suspension and wheel side drive assembly of the utility model Figure 2 ;

[0026] Figure 4 This is an enlarged view of a partial part of a suspension and wheel side drive assembly of the utility model. Figure 1 ;

[0027] Figure 5 This is an enlarged view of a partial part of a suspension and wheel side drive assembly of the utility model. Figure 2 .

[0028] The numbers in the figure represent:

[0029] 1. Frame 2. Vibration reduction support assembly 21. Support device 22. Vibration reduction device 211. Ball head 1 212. Bushing 1 213. Support arm 221. Shock absorber 222. Bushing 2 223. Bushing 3 3. Wheel side drive assembly 31. Reducer 32. Drive motor 33. End electromagnetic brake 34. Wheel 4. Steering arm assembly 41. Connecting rod 42. Ball head 2 43. Ball head 3 44. Mounting support. DETAILED DESCRIPTION

[0030] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0031] The utility model is further described below in conjunction with embodiments.

[0032] The terms “left”, “right”, “front”, “back”, “up” and “down” mentioned in the following description are oriented in the viewing direction of the front view.

[0033] Example 1

[0034] Please refer to the instruction manual Figure 1-5 , a suspension, comprising a frame 1;

[0035] A vibration reduction support assembly 2 for reducing vibration is installed at the upper end of the frame 1;

[0036] The vibration reduction support assembly 2 includes a support device 21 and a vibration reduction device 22, and the frame 1 is connected to the support device 21 and the vibration reduction device 22;

[0037] The support device 21 includes a ball head 211, a bushing 212, and a support arm 213. The upper and lower ends of the left and right sides of the frame 1 are hingedly connected with bushings 212 respectively. The front end of the bushing 212 is fixedly connected to the support arm 213, and the front end of the support arm 213 is fixedly connected to the ball head 211;

[0038] The vibration reduction device 22 includes a shock absorber 221, a second bushing 222 and a third bushing 223. The left and right sides of the lower end of the frame 1 are fixedly connected with the second bushing 222 respectively. The second bushing 222 is fixedly connected with the shock absorber 221 through a nut. The lower end of the shock absorber 221 is fixedly connected with the third bushing 223 through a nut.

[0039] Preferably, the support arm 213 is trapezoidal;

[0040] The trapezoidal support arm 213 can support the device more stably to prevent it from shaking;

[0041] In the embodiment of the utility model, when the device starts to operate, the vibration is transmitted to the shock absorber 221 through the bushing three 223 of the shock absorbing device 22 of the shock absorbing support assembly 2, and the vibration is absorbed by the shock absorber 221. The shock absorber 221 is fixed by the bushing two 222, and the support arm 213 is driven to rotate on the bushing one 212 by the movement of the ball head one 211 of the support device 21. The lower longitudinal wall ball head is installed above the lower section arm of the wheel side drive assembly through the device, which increases the ground clearance and improves the passability of the whole vehicle. At the same time, when the car is driving on uneven ground, the absorber vibrates, benefiting from the KC characteristics of the equal-length double longitudinal arm suspension structure, ensuring that the wheelbase changes during the up and down jumping process of the wheel end but the castor and inclination angles remain unchanged, which is beneficial to the control stability of the whole vehicle.

[0042] A steering arm assembly 4 for controlling the steering of the device is installed on the vehicle frame 1, and the steering arm assembly 4 is connected to the wheel side drive assembly 3;

[0043] The steering arm assembly 4 includes a connecting rod 41, a second ball head 42, a third ball head 43 and a mounting support 44. The lower end of the frame 1 is fixedly connected to the mounting support 44. The upper end of the mounting support 44 is rotatably connected to two third ball heads 43. The opposite ends of the third ball head 43 are respectively fixedly connected to one end of the connecting rod 41. The other end of the connecting rod 41 is fixedly connected to the second ball head 42. The second ball head 42 is rotatably connected to the driving motor 32.

[0044] In the embodiment of the utility model, when the device starts to move, the ball head three 43 on the mounting bracket 44 of the steering arm assembly 4 is controlled to rotate to drive the connecting rod 41 to move, and the ball head two 42 is driven to rotate through the connecting rod 41. By controlling the pull rod structure, subsequent expandability is facilitated, and the wheel-side drive assembly can support the steering function to complete the steering avoidance function.

[0045] In some embodiments, please refer to the attached instructions. Figure 1-4 , a wheel side drive assembly of a suspension, comprising a wheel side drive assembly 3;

[0046] The vibration reduction support assembly 2 is provided with a wheel side drive assembly 3 for driving the vehicle, and the wheel side drive assembly 3 is connected to a steering arm assembly 4;

[0047] The wheel side drive assembly 3 includes a reducer 31, a drive motor 32, an end electromagnetic brake 33 and a wheel 34, the ball head 211 is hingedly connected to the drive motor 32 at one end facing the ball head 211, the drive motor 32 is connected to the steering arm assembly 4, the end electromagnetic brake 33 is fixedly connected to the end of the drive motor 32 at one end facing the ball head 211, the drive motor 32 is fixedly connected to the reducer 31 at one end facing the ball head 211, and the reducer 31 is fixedly connected to the wheel 34 at one end facing the ball head 211 through a nut;

[0048] Preferably, the driving motor 32 is fixedly connected with a variety of connecting parts;

[0049] The various connectors can be connected to the device more quickly and stably;

[0050] In the embodiment of the utility model, when the device starts to move, the driving motor 32 of the wheel-side drive assembly 3 provides power to drive the reducer 31 to rotate, and the reducer 31 drives the wheel 34 to rotate. The motor back electromotive force is used as the driving brake of the rear wheel. The wheel is directly driven by the driving device, which reduces the transmission shaft structure, is more efficient and has a faster response. The two wheel-side motors on the rear axle can provide greater torque. At the same time, the embedded driving device reduces the space occupied by the width of the vehicle, facilitates the layout of the vehicle and improves the efficiency of space utilization.

[0051] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features may be replaced by equivalents. Such modifications or replacements will not cause the essence of the corresponding technical solutions to deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A suspension, comprising a frame (1), characterized in that: A vibration-reducing support assembly (2) for reducing vibration is installed at the upper end of the vehicle frame (1); The vibration-damping support assembly (2) comprises a supporting device (21) and a vibration-damping device (22), and the vehicle frame (1) is connected to the supporting device (21) and the vibration-damping device (22); The frame (1) is provided with a steering arm assembly (4) for controlling the steering of the device; The support device (21) comprises a ball head (211), a bushing (212), and a support arm (213); the upper and lower ends of the left and right sides of the frame (1) are respectively hingedly connected to bushings (212); the front end of bushings (212) is fixedly connected to the support arm (213); the front end of the support arm (213) is fixedly connected to ball head (211); The vibration reduction device (22) comprises a vibration reduction device (221), a second bushing (222) and a third bushing (223); the second bushing (222) is fixedly connected to the left and right sides of the lower end of the vehicle frame (1); the second bushing (222) is fixedly connected to the vibration reduction device (221) via a nut; and the lower end of the vibration reduction device (221) is fixedly connected to the third bushing (223) via a nut; The support arm (213) is trapezoidal; The steering arm assembly (4) comprises a connecting rod (41), a second ball head (42), a third ball head (43) and a mounting support (44); the lower end of the vehicle frame (1) is fixedly connected to the mounting support (44), the upper end of the mounting support (44) is rotatably connected to a plurality of third ball heads (43), the opposite ends of the third ball heads (43) are respectively fixedly connected to one end of the connecting rod (41), and the other end of the connecting rod (41) is fixedly connected to the second ball head (42).

2. A wheel-side drive assembly comprising the suspension according to claim 1, comprising a vehicle frame (1) and a wheel-side drive assembly (3), characterized in that: The wheel side drive assembly (3) is connected to the steering arm assembly (4), the supporting device (21) and the vibration reduction device (22); The wheel side drive assembly (3) comprises a reducer (31), a drive motor (32), an end electromagnetic brake (33) and a wheel (34); the facing end of the ball head (211) is hingedly connected to the drive motor (32); the drive motor (32) is connected to the steering arm assembly (4); the facing end of the drive motor (32) is fixedly connected to the end electromagnetic brake (33); the opposite end of the drive motor (32) is fixedly connected to the reducer (31); and the opposite end of the reducer (31) is fixedly connected to the wheel (34) via a nut.

3. The wheel side drive assembly of the suspension according to claim 2, characterized in that: The driving motor (32) is fixedly connected with a variety of connecting parts.

Images