CN217917510U

CN217917510U - Rear suspension assembly and electric motor tricycle

Info

Publication number: CN217917510U
Application number: CN202221311099.3U
Authority: CN
Inventors: 马兵兵
Original assignee: Luoyang Beiyi Motor Tricycles Co ltd
Current assignee: Luoyang Beiyi Motor Tricycles Co ltd
Priority date: 2022-05-26
Filing date: 2022-05-26
Publication date: 2022-11-29
Anticipated expiration: 2032-05-26

Abstract

The utility model provides a back suspension assembly and electric motor tricycle, relate to electronic car technical field of riding instead of walk, this back suspension assembly is including the automobile body frame that is used for setting up the automobile body, an anti-shock device for connecting the mounted frame of automobile body frame and locating on the mounted frame, anti-shock device includes damper and trailing arm roof beam, the rotatable mounted frame of locating of damper one end, the rotatable automobile body frame of locating of one end of trailing arm roof beam is gone up, the trailing arm roof beam is less than the distance of wheel center and ground with the distance on ground with the junction of automobile body frame, damper's the other end and the other end rotatable coupling of trailing arm roof beam, and the contained angle is less than 90, be equipped with the rear axle on the trailing arm roof beam. The utility model discloses a make the distance of the junction of trailing arm roof beam and automobile body frame and ground be less than the distance of wheel center and ground to and be less than 90 through the contained angle that makes between the other end of damper and the other end of trailing arm roof beam, avoided the self-braking phenomenon, thereby improved the travelling comfort and the stability that whole car went.

Description

Rear suspension assembly and electric motor tricycle

Technical Field

The utility model belongs to the technical field of electronic bicycle technique and specifically relates to a rear suspension assembly and electric motor tricycle are related to.

Background

The rear suspension assembly for the vehicle is supported between the tire and the vehicle body, can alleviate the impact transmitted to the vehicle body by an uneven road surface, and can attenuate the inclination, shaking and vibration in the left-right and up-down directions, namely the cushioning effect, so as to improve the riding comfort of passengers and reduce the abrasion of the impact force to the vehicle.

The rear suspension assembly generally comprises three types, namely independent suspension, semi-independent suspension and dependent suspension, wherein the independent suspension is relative to the semi-independent suspension and the dependent suspension, and left and right wheels of the rear suspension assembly can independently bounce and are not coherent, so that the rear suspension assembly has good running stability, shock absorption and comfort, is a suspension mode adopted in most of cars, but the independent suspension structure for the cars is complex, is not suitable for other car types, and is particularly suitable for simpler car types, such as tricycles, beach cars and the like.

The rear suspension assemblies of tricycles, dune buggy and the like in the current market have the defects of serious turning and side inclination, self-braking phenomenon easily caused by braking when running on a bumpy road section, and uncomfortable feeling caused by bumping.

SUMMERY OF THE UTILITY MODEL

In view of this, an object of the present invention is to provide a rear suspension assembly to solve the technical problems that the rear suspension assembly of the prior art, such as a tricycle and a beach vehicle, has a serious heeling in a turning, is easy to generate a self-braking phenomenon when driving on a bumpy road, and is uncomfortable to a person due to a bumpy feeling.

The second purpose of the utility model is to provide an electric motor tricycle.

In order to realize one of the above-mentioned purposes, the utility model provides a rear suspension assembly, including the automobile body frame that is used for setting up the automobile body, be used for connecting the mounted frame of automobile body frame with locate shock absorber on the mounted frame, shock absorber includes damper and trailing arm roof beam, the rotatable locating of damper one end on the mounted frame, the rotatable locating of one end of trailing arm roof beam on the automobile body frame, the trailing arm roof beam with the junction of automobile body frame is less than the distance on wheel center and ground with the distance on ground, damper's the other end with the other end rotatable coupling of trailing arm roof beam, and the contained angle is less than 90, be equipped with the rear axle on the trailing arm roof beam.

According to an optional implementation mode, a first lifting lug is arranged on the automobile body frame, the first lifting lug is fixedly arranged on the automobile body frame, the direction of the first lifting lug extends downwards, and one end of the supporting arm beam is rotatably arranged on the first lifting lug.

According to an optional implementation mode, a first lifting hole is formed in the free end of the first lifting lug, and the first lifting hole is rotatably connected with the supporting arm beam through a connecting shaft.

According to an optional implementation mode, an arc-shaped groove is formed in the position, close to the connection position of the damping assembly, of the corbel, and the rear axle is transversely arranged in the arc-shaped groove.

According to an optional implementation mode, the damping assembly comprises a connecting rod and a damping spring, the damping spring is sleeved on the connecting rod, and two ends of the connecting rod are respectively connected with the suspension bracket and the supporting arm beam in a rotating mode.

According to an optional embodiment, the two ends of the connecting rod are provided with cylindrical members, and the cylindrical members are integrally formed with the connecting rod and are perpendicular to the connecting rod.

According to an optional implementation mode, a second lifting lug is arranged on the suspension frame, the second lifting lug is fixedly arranged on the suspension frame, the direction of the second lifting lug extends downwards, and the cylindrical member is rotatably arranged on the second lifting lug.

According to an optional implementation mode, a third lifting lug is arranged on the supporting arm beam, the third lifting lug is fixedly arranged on the supporting arm beam, the direction of the third lifting lug extends upwards, and the cylindrical part is rotatably arranged on the third lifting lug.

According to an optional implementation mode, the automobile body frame further comprises a balance connecting rod used for adjusting whether the rear axle is balanced or not, one end of the balance connecting rod is connected with the rear axle, and the other end of the balance connecting rod is connected with the automobile body frame.

In order to achieve the second purpose, the utility model provides an electric motor tricycle, including the aforesaid arbitrary back suspension assembly.

The utility model provides a rear suspension assembly and electric motor tricycle has following technological effect:

compared with the traditional rear suspension assembly, the rear suspension assembly comprises a vehicle body frame, a suspension frame and a shock absorbing device, wherein the vehicle body frame is used for erecting a vehicle body, the suspension frame is used for being connected with the vehicle body frame, the shock absorbing device is used for achieving shock absorption, compared with the traditional rear suspension assembly, the shock absorbing device of the utility model comprises a shock absorbing component and a supporting arm beam, one end of the shock absorbing component is rotatably arranged on the suspension frame, one end of the supporting arm beam is rotatably arranged on the vehicle body frame, the distance between the connecting point of the supporting arm beam and the vehicle body frame and the ground is less than the distance between the center of a wheel and the ground, and the other end of the shock absorbing component is rotatably connected with the other end of the supporting arm beam, and the contained angle is less than 90, is equipped with the rear axle on the trailing arm roof beam, and the vehicle traveles when the road conditions of jolting, because inertia, kick-backs after the damper compression, and the rear axle upward movement of rear damper is connected to this in-process, and the trailing arm roof beam of fixing on the automobile body frame pulls the rear axle and moves to the upper front, the utility model discloses a make the distance of the junction of trailing arm roof beam and automobile body frame and ground be less than the distance of wheel center and ground to and be less than 90 through the contained angle between the other end that makes damper and the other end of trailing arm roof beam, avoided the self-braking phenomenon to the travelling comfort and the stability of whole car travel have been improved.

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 these drawings without creative efforts.

Fig. 1 is a schematic perspective view of a rear suspension assembly according to an embodiment of the present invention;

FIG. 2 is a side view of the rear suspension assembly of FIG. 1;

FIG. 3 is a top view of the rear suspension assembly of FIG. 1;

FIG. 4 is a right side view of the rear suspension assembly of FIG. 1;

FIG. 5 is a schematic diagram of the rear suspension assembly of FIG. 1 illustrating avoidance of self-braking.

Wherein, fig. 1-5:

1. a vehicle body frame; 11. a first lifting lug; 2. a suspension bracket; 21. a second lifting lug; 3. a shock absorbing assembly; 31. a damping spring; 32. connecting the connecting rod; 4. a trailing arm beam; 41. an arc-shaped slot; 42. a third lifting lug; 5. a rear axle; 6. a balance link; 7. a tire; 71. a brake pot; 711. a brake rocker arm; 72. backward motion trail of the brake rocker arm; 73. a forward brake rocker motion profile; 8. a brake pull rod.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

In the description of the present invention, it is to be noted that, unless otherwise specified, "a plurality" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships that are based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, rather than to indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood as the case may be, by those of ordinary skill in the art.

As described in the background art, the rear suspension assemblies of the prior art, such as tricycles and dune buggy, have the disadvantages of severe turning and side inclination, self-braking phenomenon easily caused by braking when driving on bumpy road sections, and uncomfortable bumpy feeling caused by the bumping.

Based on this, the utility model provides a rear suspension assembly compares with traditional rear suspension assembly, the difference is, the utility model discloses a shock absorber then includes damper and trailing arm roof beam, the rotatable suspension that locates of damper one end is on, the rotatable body frame that locates of one end of trailing arm roof beam, the distance of trailing arm roof beam and body frame's junction and ground is less than the distance of wheel center and ground, damper's the other end and the other end rotatable coupling of trailing arm roof beam, and the contained angle is less than 90, be equipped with the rear axle on the trailing arm roof beam, the vehicle goes when jolting in the road conditions, because inertia, rebound after damper compresses, this in-process rear axle upward movement who connects rear damper, trailing arm roof beam who fixes on the body frame drags the rear axle and moves to the front top, the utility model discloses a distance that makes the junction of trailing arm roof beam and body frame and ground be less than the distance of wheel center and ground, and through making damper's the other end and the other end of trailing arm roof beam between be less than 90, the brake phenomenon has been avoided from, thereby the travelling comfort and the stability of whole car are gone have improved.

The following detailed description of the technical solution of the present invention is made with reference to the accompanying drawings 1-5.

As shown in fig. 1-4, for the structural schematic diagram of the rear suspension assembly of the present invention, the rear suspension assembly includes a car body frame 1, a suspension frame 2 and a shock absorber, wherein the car body frame 1 is used for erecting a car body, the suspension frame 2 is used for being connected with the car body frame 1, and the shock absorber is used for achieving shock absorption.

Specifically, the shock absorbing device comprises a shock absorbing assembly 3 and a corbel beam 4, one end of the shock absorbing assembly 3 is rotatably arranged on the suspension bracket 2, one end of the corbel beam 4 is rotatably arranged on the vehicle body frame 1, the distance between the connecting point of the corbel beam 4 and the vehicle body frame 1 and the ground is smaller than the distance between the center of a wheel and the ground, as shown in fig. 2, the other end of the shock absorbing assembly 3 is rotatably connected with the other end of the corbel beam 4, the included angle is smaller than 90 degrees, and a rear axle 5 is arranged on the corbel beam 4, as shown in fig. 2.

As an alternative scheme of the utility model, as shown in fig. 2, be equipped with first lug 11 on the automobile body frame 1, first lug 11 is fixed to be located automobile body frame 1, specifically is located automobile body frame 1's below to the direction downwardly extending of first lug 11, also extending towards the ground direction, the free end of first lug 11 is equipped with first lewis hole, and first lewis hole passes through the connecting axle and is connected with trailing arm roof beam 4 rotation.

First lug 11 is fixed to be located on automobile body frame 1, preferably 11 welding of first lug on automobile body frame 1, the utility model discloses the first lug 11 of extension makes its minimum be less than the center of wheel, can realize that the distance of the tie point of trailing arm roof beam 4 and automobile body frame 1 and ground is less than the distance of wheel center and ground.

As shown in fig. 1, an arc-shaped groove 41 is arranged at a joint of the corbel beam 4 close to the damping assembly 3, the rear axle 5 is transversely arranged in the arc-shaped groove 41, and the rear axle 5 is fixed by the arc-shaped groove 41.

As shown in fig. 1, the damping assembly 3 includes a connecting link 32 and a damping spring 31, the damping spring 31 is sleeved on the connecting link 32, and two ends of the connecting link 32 are rotatably connected to the suspension bracket 2 and the joist beam 4 respectively.

Specifically, the two ends of the connecting link 32 are provided with cylindrical members, and the cylindrical members are integrally formed with the connecting link 32 and perpendicular to the connecting link 32.

As shown in fig. 1 and 2, the suspension bracket 2 is provided with a second lifting lug 21, the second lifting lug 21 is fixedly arranged on the suspension bracket 2, preferably welded, and the direction of the second lifting lug 21 extends downwards, and the cylindrical member is rotatably arranged on the second lifting lug 21.

As shown in fig. 4, the joist beam 4 is provided with a third lifting lug 42, the third lifting lug 42 is fixedly arranged on the joist beam 4, the direction of the third lifting lug 42 extends upwards, and the cylindrical member is rotatably arranged on the third lifting lug 42.

The specific working process is as follows:

when the vehicle runs on a bumpy road condition, the damping component 3 is compressed and rebounded due to inertia, the rear axle 5 connected with the damping component 3 moves backwards and upwards in the process to drive the wheels to move backwards and upwards, the brake rocker arm 711 on the brake pot 71 arranged in the tire 7 also moves backwards and upwards to form a backward brake rocker arm movement track 72, and as shown in fig. 5, the brake rocker arm 711 is pulled by the brake pull rod 8, so that the self-braking phenomenon occurs.

The utility model discloses then improve the rear suspension assembly, make the distance of trailing arm roof beam 4 and automobile body frame 1's junction and ground be less than the distance of wheel center and ground, contained angle between damper 3 and the trailing arm roof beam 4 is less than 90 simultaneously, the vehicle traveles when jolting the road conditions, because inertia, damper 3 is kick-backed after compressing earlier, rear axle 5 of damper 3 is connected to this in-process is the top motion forward, realize fixing the trailing arm roof beam on automobile body frame 1 and pull rear axle 5 and move the top forward, it moves the wheel top forward to drive, arrange the brake rocking arm 711 on the brake pot 71 in tire 7 in this moment in and also can be along with the top motion forward, form forward brake rocking arm movement track 73, as shown in fig. 5, because brake pull rod 8 does not draw brake rocking arm 711, thereby the self-braking phenomenon has been avoided appearing, improve the travelling comfort and the stability of whole car.

As a further optional scheme of the utility model, as shown in fig. 1 and fig. 3-4, the utility model discloses back suspension assembly still includes balanced connecting rod 6, and whether balanced connecting rod 6 is used for adjusting rear axle 5 balanced, and the one end and the rear axle 5 of balanced connecting rod 6 are connected, and the other end and the automobile body frame 1 of balanced connecting rod 6 are connected, guarantee rear axle 5 bilateral symmetry in the vertical central plane of vehicle through balanced connecting rod 6.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. A rear suspension assembly comprises a vehicle body frame for erecting a vehicle body, a suspension frame for connecting the vehicle body frame and a shock absorbing device arranged on the suspension frame, and is characterized in that the shock absorbing device comprises a shock absorbing assembly and a supporting arm beam, one end of the shock absorbing assembly is rotatably arranged on the suspension frame, one end of the supporting arm beam is rotatably arranged on the vehicle body frame, the distance between the connecting point of the supporting arm beam and the vehicle body frame and the ground is less than the distance between the center of a wheel and the ground, the other end of the shock absorbing assembly is rotatably connected with the other end of the supporting arm beam, the included angle is less than 90 degrees, and a rear axle is arranged on the supporting arm beam;

the automobile body frame is provided with a first lifting lug, the first lifting lug is fixedly arranged on the automobile body frame, the direction of the first lifting lug extends downwards, and one end of the supporting arm beam is rotatably arranged on the first lifting lug.

2. The rear suspension assembly as claimed in claim 1, wherein the free end of the first lifting lug is provided with a first lifting hole, and the first lifting hole is rotatably connected with the joist beam through a connecting shaft.

3. The rear suspension assembly of claim 1 wherein the trailing arm beam has an arcuate slot at a junction adjacent the shock assembly, the rear axle being disposed transversely within the arcuate slot.

4. The rear suspension assembly as claimed in any one of claims 1 to 3, wherein the damping assembly includes a connecting link and a damping spring, the damping spring is sleeved on the connecting link, and two ends of the connecting link are rotatably connected to the suspension bracket and the trailing arm beam, respectively.

5. A rear suspension assembly according to claim 4 wherein the connecting link is provided with a cylindrical member at each end, the cylindrical member being integrally formed with and perpendicular to the connecting link.

6. A rear suspension assembly according to claim 5 wherein the suspension bracket is provided with a second lifting lug, the second lifting lug is fixedly arranged on the suspension bracket and extends downwardly, and the cylindrical member is rotatably mounted on the second lifting lug.

7. The rear suspension assembly as claimed in claim 6, wherein a third lifting lug is provided on the joist beam, the third lifting lug is fixedly provided on the joist beam, the third lifting lug extends upward, and the column member is rotatably mounted on the third lifting lug.

8. The rear suspension assembly as claimed in claim 1, further comprising a balancing link for adjusting whether the rear axle is balanced, one end of the balancing link being connected to the rear axle, and the other end of the balancing link being connected to the vehicle body frame.

9. An electric motor tricycle characterised by comprising a rear suspension assembly as claimed in any of claims 1 to 8.