Independent rear suspension of three-wheeled vehicle

Abstract

The utility model discloses a three-wheeled vehicle rear independent suspension which comprises two trailing arm assemblies which are symmetrically arranged and connected through a stabilizer bar. The two ends of the stabilizer bar are fixedly connected with stabilizer bar mounting bases, the trailing arm assembly comprises a trailing arm, a mounting base and a shock absorber, and a cross arm shaft is arranged at the front end of the trailing arm and rotationally connected with a vehicle body; the rear end of the trailing arm is provided with a mounting seat and a damping connecting lifting lug, the rear end of the damping connecting lifting lug is provided with a bolt hole, the mounting seat is provided with a caliper mounting plate and a half head, and the damper is connected with a vehicle body through the damping connecting lifting lug; mounting holes are formed in the upper surface of the bottom of the mounting seat; a brake caliper is arranged on the caliper mounting plate; a transmission shaft is connected to the middle of the mounting base. The device is small in occupied space, and space arrangement of the whole vehicle is facilitated; the wheel track of the vehicle cannot be changed, so that the stability and the maneuverability of the vehicle can be kept; the tire angle is not changed when the vehicle moves, so that the tire wear is reduced; the structure is simple, and the cost is effectively saved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of three-wheeled vehicles, in particular to a rear independent suspension of a three-wheeled vehicle. BACKGROUND

[0002] The suspension of a passenger vehicle is an assembly of elastic connecting system between the frame and the axle. Its function is to transmit the reaction force and its moment from the road to the frame, and to soften the impact of uneven road to ensure normal driving of the vehicle.

[0003] The two performance requirements of the suspension of a passenger vehicle are steering stability and ride comfort. Currently, an integrated rear axle is commonly used in the market of three-wheeled vehicles, and leaf springs or spring dampers are selected. During driving of the vehicle, the left and right wheels are related to each other when encountering a bumpy road section, which affects the driving comfort.

[0004] Therefore, it is necessary to invent a rear independent suspension of a three-wheeled vehicle to solve the above problems. CONTENT OF THE UTILITY MODEL

[0005] The utility model aims at providing a rear independent suspension of a three-wheeled vehicle which is helpful to maintain the stability and maneuverability of the vehicle and improve the driving comfort.

[0006] In order to achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0007] A rear independent suspension of a three-wheeled vehicle comprises two trailing arm assemblies which are symmetrically arranged and connected through a stabilizer bar. The two ends of the stabilizer bar are fixedly connected with stabilizer bar mounting seats. The trailing arm assembly comprises a trailing arm, a mounting seat and a shock absorber. The front end of the trailing arm is provided with a trailing arm shaft which is rotatably connected with the vehicle body. The rear end of the trailing arm is provided with a mounting seat and a shock absorbing connecting lug. The rear end of the shock absorbing connecting lug is provided with a bolt hole. The mounting seat is provided with a caliper mounting plate and a headstock. The shock absorber is connected with the vehicle body through the shock absorbing connecting lug. The bottom upper surface of the mounting seat is provided with a mounting hole. The caliper mounting plate is provided with a brake caliper. The middle part of the mounting seat is connected with a transmission shaft.

[0008] Specifically, the upper plate of the trailing arm is bent to form a flange.

[0009] Specifically, the mounting seat has the functions of mounting the brake caliper and the wheel.

[0010] Specifically, the trailing arm and the mounting seat are designed and installed in a split manner.

[0011] The utility model has the advantages of:

[0012] The application supports the left and right rear wheel assemblies by setting two symmetrical trailing arm assemblies, forms independent suspension, and has the following advantages: 1. smaller space occupation, which is beneficial to vehicle space arrangement; 2. vehicle wheel track does not change, which is helpful to maintain the stability and maneuverability of the vehicle; 3. tire angle does not change during vehicle movement, which reduces tire wear; and 4. simple structure, which effectively saves cost.

[0013] The above description is only a summary of the technical scheme of the present application, in order to more clearly understand the technical means of the present application, and can be implemented according to the content of the specification, the following is a preferred embodiment of the present application and the detailed description of the drawings. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 A structure diagram of a rear independent suspension of a three-wheeled vehicle is shown in an embodiment of the present application.

[0015] Figure 2 A structure diagram of a trailing arm is shown in an embodiment of the present application.

[0016] Figure 3 A structure diagram of a mounting seat is shown in an embodiment of the present application.

[0017] The drawings show that: 1, trailing arm; 2, brake caliper; 3, mounting seat; 4, shock absorber; 5, transmission shaft; 6, stabilizer bar; 101, trailing arm shaft; 102, bolt hole; 103, shock absorbing connecting lug; 104, stabilizer bar mounting seat; 301, mounting seat; 302, head; 303, caliper mounting plate; 304, mounting hole. DETAILED DESCRIPTION

[0018] The technical scheme of the present application will be described in detail below with reference to the drawings, obviously, the described embodiments are part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the present application.

[0019] In the description of the present application, it should be pointed out that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, which is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation of the present application. In addition, the terms "first", "second", "third" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0020] In the description of the utility model, it needs to explain, unless another explicit provision and limitation, the term "installation", "link", "connection" should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or integrally connected, can be mechanical connection, also can be electrical connection, can be direct connection, also can be indirectly connected through the intermediate medium, can be the communication of two elements inside. For ordinary skilled in the art, the above-mentioned terms can be understood in the specific meaning in the utility model according to specific circumstances.

[0021] In addition, the technical features involved in different embodiments of the utility model described below can be combined with each other as long as there is no conflict.

[0022] Please see Figure 1 The utility model provides a three-wheel vehicle rear independent suspension, including two trailing arm assemblies, two trailing arm assemblies are symmetrically arranged and are connected through stabilizer bar 6, both ends of stabilizer bar 6 are fixedly connected with stabilizer bar mounting seat 104, and the trailing arm assembly includes trailing arm 1, mounting seat 301 and shock absorber 4, the front end of trailing arm 1 is equipped with wishbone shaft 101, and wishbone shaft 101 is rotatably connected with the vehicle body, the rear end of trailing arm 1 is equipped with mounting seat 301 and shock absorbing connecting lug, the rear end of shock absorbing connecting lug is equipped with bolt hole 102, caliper mounting plate 303 and cotter head 302 are installed on mounting seat 301, shock absorber 4 is connected with the vehicle body through shock absorbing connecting lug, mounting hole 304 is formed in the bottom upper surface of mounting seat 301, brake caliper 2 is arranged on caliper mounting plate 303, and transmission shaft 5 is connected to the middle part of mounting seat 301.

[0023] Specifically, the upper plate of trailing arm 1 is bent to form a flange, which can greatly reduce the weight compared to a solid structure.

[0024] Specifically, mounting seat 301 has the functions of installing caliper and wheel.

[0025] Specifically, trailing arm and mounting seat 301 are designed and installed separately, which is convenient for later maintenance.

[0026] In use, the left and right rear wheel assemblies are supported by two symmetrical trailing arm assemblies 1, the trailing arm assemblies 1 are rotatably connected to the vehicle body through the trailing arm shaft 101 at the front end of the trailing arm assemblies 1, and the trailing arm assemblies 1 are connected to the vehicle body through the elastic connecting part at the rear end of the trailing arm assemblies 1, and the elastic connecting part is connected to the vehicle body through the shock absorber 4. The mounting seat 301 is arranged on one side of the trailing arm 1 between the trailing arm shaft 101 and the elastic connecting part or the damping connecting part, and the left rear wheel assembly is supported by the mounting seat 301 in one of the trailing arm assemblies 1, and the right rear wheel assembly is supported by the mounting seat 301 in the other trailing arm assembly 1. The left and right wheels are independently suspended to adapt to smooth driving on rough and complex roads, improve the comfort of driving and the handling of the vehicle.

[0027] In summary, the left and right rear wheel assemblies are supported by two symmetrical trailing arm assemblies, and the left and right wheels are independently suspended, which has the following advantages: 1. Small space occupation, which is beneficial to the space layout of the vehicle; 2. The wheel track of the vehicle does not change, which helps to maintain the stability and maneuverability of the vehicle; 3. The tire angle does not change during vehicle movement, which reduces tire wear; 4. Simple structure, which effectively saves cost.

[0028] The technical features of the above-described embodiments can be combined in any manner. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described, but as long as the combinations of the technical features do not contradict, they should be considered within the scope of the present disclosure.

[0029] The above-described embodiments only express several implementation manners of the present application, and the description is relatively specific and detailed, but it should not be understood as a limitation on the scope of the present application. It should be noted that for ordinary skilled persons in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, which are within the scope of the present application. Therefore, the protection scope of the present application should be subject to the appended claims.

Claims

1. A three-wheeled vehicle rear independent suspension, characterized by, The application relates to a trailer arm assembly, which comprises two symmetrical trailer arm assemblies connected by a stabilizer bar; the two ends of the stabilizer bar are fixedly connected with stabilizer bar mounting seats; the trailer arm assembly comprises a trailer arm, a mounting seat and a shock absorber; the front end of the trailer arm is provided with a wishbone shaft which is rotationally connected with a vehicle body; the rear end of the trailer arm is provided with a mounting seat and a shock absorbing connecting lug; the rear end of the shock absorbing connecting lug is provided with a bolt hole; the mounting seat is provided with a caliper mounting plate and a cotter pin; the shock absorber is connected with the vehicle body through the shock absorbing connecting lug; the bottom upper surface of the mounting seat is provided with a mounting hole; the caliper mounting plate is provided with a brake caliper; and the mounting seat is connected with a transmission shaft.

2. A three-wheeled vehicle rear independent suspension as claimed in claim 1, wherein, The upper plate of the trailer arm is bent to form a flange.

3. A three-wheeled vehicle rear independent suspension as claimed in claim 1, wherein, The mounting seat has the functions of mounting the brake caliper and the wheel.

4. A three-wheeled vehicle rear independent suspension as claimed in claim 1, wherein, The trailer arm and the mounting seat are designed and installed in a split mode.

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