Front independent suspension

Abstract

The front independent suspension comprises an auxiliary frame assembly connected between a first longitudinal beam and a second longitudinal beam; the steering engine is connected to the auxiliary frame assembly through a bracket; a steering rocker arm; a steering pull rod; a steering arm; the steering machine is sequentially connected with the steering rocker arm and the steering pull rod, and the steering arm and the steering knuckle are connected to the left hub and the right hub respectively; the stabilizer bar is connected to the front end of the auxiliary frame assembly through two stabilizer bar covers; a first upper control arm; a first lower control arm; a first stabilizer bar boom; a second upper control arm; a second lower control arm; a second stabilizer bar boom; a first airbag; and a second airbag; the first air bag is arranged on the outer side of the first longitudinal beam, and the second air bag is arranged on the outer side of the second longitudinal beam. The front independent suspension can be used for commercial vehicles.

Description

Technical Field

[0001] The utility model relates to the field of automobile parts, in particular to a front independent suspension. Background Art

[0002] At present, the front air independent suspension of the domestic heavy-duty commercial vehicle market is still in a technical blank stage. Only a very small number of models on the market are suitable, and the structure is complicated, the weight is heavy, and the reliability is poor. As users further improve vehicle comfort, vehicle stability and operability, and adapt to the gradual electrification of commercial vehicles, it is necessary to design the front air independent suspension of commercial vehicles in response to new market requirements.

[0003] Therefore, it is necessary to study a front independent suspension to solve one or more of the above-mentioned technical problems. Utility Model Content

[0004] In order to solve at least one of the above technical problems, according to one aspect of the utility model, a front independent suspension is provided, which is characterized by comprising:

[0005] A subframe assembly connected between the first longitudinal beam and the second longitudinal beam;

[0006] A steering gear connected to the subframe assembly through a bracket;

[0007] Steering rocker arm;

[0008] Steering tie rod;

[0009] Steering arm;

[0010] Steering knuckle, the steering gear is sequentially connected to the steering rocker arm, the steering tie rod, the steering arm and the steering knuckle and is respectively connected to the left and right wheel hubs;

[0011] A stabilizer bar connected to the front end of the subframe assembly through two stabilizer bar covers;

[0012] A first upper control arm having a first end connected to an upper portion of the subframe assembly and a second end connected to a first steering knuckle bracket;

[0013] A first lower control arm having a first end connected to a lower portion of the subframe assembly and a second end connected to a first steering knuckle bracket;

[0014] a first stabilizer bar suspension arm having a first end connected to the first end of the stabilizer bar and a second end connected to the first upper control arm;

[0015] A second upper control arm, having a first end connected to an upper portion of the subframe assembly and a second end connected to a second steering knuckle bracket;

[0016] A second lower control arm, having a first end connected to a lower portion of the subframe assembly and a second end connected to a second steering knuckle bracket;

[0017] a second stabilizer bar suspension arm having a first end connected to the second end of the stabilizer bar and a second end connected to the second upper control arm;

[0018] A first airbag, the lower end of which is connected to the first steering knuckle bracket, and the upper end of which is connected to the inner side of the first longitudinal beam through the upper bracket; and

[0019] A second airbag, the lower end of which is connected to the second steering knuckle bracket, and the upper end of which is connected to the inner side of the second longitudinal beam through the upper bracket;

[0020] The first airbag is arranged on the outside of the first longitudinal beam, and the second airbag is arranged on the outside of the second longitudinal beam.

[0021] According to another aspect of the utility model, the first steering knuckle bracket and the second steering knuckle bracket are respectively provided with a steering knuckle.

[0022] According to another aspect of the utility model, the front independent suspension also includes a first shock absorber and a second shock absorber, the upper end of the first shock absorber is connected to the subframe assembly, and the lower end is connected to the first lower control arm or the first steering knuckle bracket; the upper end of the second shock absorber is connected to the subframe assembly, and the lower end is connected to the second lower control arm or the second steering knuckle bracket.

[0023] According to another aspect of the utility model, the left and right wheel hubs are respectively provided with brake discs and brakes.

[0024] According to another aspect of the utility model, the tops of the first longitudinal beam and the second longitudinal beam have first reinforcing ribs extending outward, and the bottoms of the first longitudinal beam and the second longitudinal beam have second reinforcing ribs extending inward.

[0025] According to another aspect of the present invention, the first reinforcing rib and the second reinforcing rib are integrally formed with the first longitudinal beam or the second longitudinal beam or are separately connected.

[0026] According to another aspect of the utility model, the first lower control arm and the second lower control arm are arranged in an eight-shaped shape and are an integral structure or a split structure, and the first upper control arm and the second upper control arm are arranged in an eight-shaped shape and are an integral structure or a split structure.

[0027] The utility model can achieve one or more of the following technical effects:

[0028] 1. The overall structure is compact and suitable for electric and fuel commercial vehicles.

[0029] 2. The airbag is installed above the steering knuckle bracket and on the outside of the longitudinal beam, which has a more reasonable layout and good buffering effect.

[0030] 3. The upper reinforcement ribs are arranged on the outside of the longitudinal beam, which can provide more space for the layout of the power battery. BRIEF DESCRIPTION OF THE DRAWINGS

[0031] The utility model is further described in detail below in conjunction with the accompanying drawings and specific implementation methods.

[0032] Figure 1 It is a stereoscopic diagram of a front independent suspension according to a preferred embodiment of the utility model.

[0033] Figure 2 for Figure 1 Another perspective of the front independent suspension. DETAILED DESCRIPTION

[0034] The best implementation mode of the present invention is described below through preferred embodiments in conjunction with the accompanying drawings. The specific implementation mode here is to illustrate the present invention in detail and should not be understood as a limitation to the present invention. Various deformations and modifications can be made without departing from the spirit and substantial scope of the present invention, which should be included in the protection scope of the present invention.

[0035] Example 1

[0036] According to a preferred embodiment of the present invention, see Figure 1-2 , provides a front independent suspension, characterized by comprising:

[0037] A subframe assembly 4 connected between the first longitudinal beam and the second longitudinal beam 1;

[0038] The steering gear 2 is connected to the subframe assembly 4 through a bracket 20;

[0039] Steering rocker arm 5;

[0040] Steering tie rod 6;

[0041] Steering arm 7;

[0042] Steering knuckle 8, the steering gear is sequentially connected to the steering rocker arm 5, the steering tie rod 6, the steering arm 7 and the steering knuckle 8 are respectively connected to the left and right wheel hubs 9;

[0043] A stabilizer bar 10 is connected to the front end of the subframe assembly 4 through two stabilizer bar covers 11;

[0044] A first upper control arm 14, a first end of which is connected to the upper portion of the subframe assembly, and a second end of which is connected to the first steering knuckle bracket 3;

[0045] A first lower control arm 15, a first end of which is connected to the lower portion of the subframe assembly, and a second end of which is connected to the first steering knuckle bracket 3;

[0046] A first stabilizer bar suspension arm 12 , a first end of which is connected to a first end of the stabilizer bar 10 , and a second end of which is connected to a first upper control arm 14 ;

[0047] A second upper control arm, having a first end connected to an upper portion of the subframe assembly and a second end connected to a second steering knuckle bracket;

[0048] A second lower control arm, having a first end connected to a lower portion of the subframe assembly and a second end connected to a second steering knuckle bracket;

[0049] A second stabilizer bar suspension arm, a first end of which is connected to the second end of the stabilizer bar 10 and a second end of which is connected to the second upper control arm;

[0050] A first airbag 16, the lower end of which is connected to the first steering knuckle bracket 3, and the upper end of which is connected to the inner side of the first longitudinal beam through an upper bracket 17; and

[0051] A second airbag, the lower end of which is connected to the second steering knuckle bracket, and the upper end of which is connected to the inner side of the second longitudinal beam through the upper bracket;

[0052] The first airbag 16 is arranged outside the first longitudinal beam, and the second airbag is arranged outside the second longitudinal beam 1 .

[0053] Preferably, the first upper control arm 14, the first lower control arm 15, the first fixed rod suspension arm 12 and the second upper control arm, the second lower control arm, and the second fixed rod suspension arm are symmetrically arranged. The first airbag and the second airbag are symmetrically arranged.

[0054] Preferably, the first lower control arm and the second lower control arm are arranged in an eight-shaped shape and are an integral structure or a split structure, and the first upper control arm and the second upper control arm are arranged in an eight-shaped shape and are an integral structure or a split structure.

[0055] According to another aspect of the utility model, the first steering knuckle bracket and the second steering knuckle bracket are respectively provided with a steering knuckle.

[0056] According to another preferred embodiment of the utility model, the front independent suspension further includes a first shock absorber 13 and a second shock absorber, the upper end of the first shock absorber 13 is connected to the subframe assembly 4, and the lower end is connected to the first lower control arm 15 or the first steering knuckle bracket; the upper end of the second shock absorber is connected to the subframe assembly, and the lower end is connected to the second lower control arm or the second steering knuckle bracket. Preferably, the first shock absorber and the second shock absorber are symmetrically arranged.

[0057] According to another preferred embodiment of the present invention, the left and right wheel hubs 9 are respectively provided with a brake disc 18 and a brake 19 .

[0058] According to another preferred embodiment of the present invention, the tops of the first longitudinal beam and the second longitudinal beam 2 have first reinforcing ribs extending outward, and the bottoms of the first longitudinal beam and the second longitudinal beam 2 have second reinforcing ribs extending inward.

[0059] According to another preferred embodiment of the utility model, the first reinforcing rib and the second reinforcing rib are integrally formed with the first longitudinal beam or the second longitudinal beam or are separately connected. Preferably, the first longitudinal beam and the second longitudinal beam are arranged vertically, and the first reinforcing rib and the second reinforcing rib are perpendicular to the longitudinal beam.

[0060] The utility model can achieve one or more of the following technical effects:

[0061] 1. The overall structure is compact and suitable for fuel or electric commercial vehicles.

[0062] 2. The airbag is installed above the steering knuckle bracket and on the outside of the longitudinal beam, which has a more reasonable layout and good buffering effect.

[0063] 3. The upper reinforcement ribs are arranged on the outside of the longitudinal beam, which can provide more space for the layout of the power battery.

[0064] Those skilled in the art should understand that the present invention is not limited by the above embodiments. The above embodiments and the description are only for explaining the principle of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which are within the scope of the present invention. The scope of the present invention is defined by the attached claims and their equivalents.

Claims

1. A front independent suspension, characterized in that include: A subframe assembly connected between the first longitudinal beam and the second longitudinal beam; A steering gear connected to the subframe assembly through a bracket; Steering rocker arm; Steering tie rod; Steering arm; Steering knuckle, the steering gear is sequentially connected to the steering rocker arm, the steering tie rod, the steering arm and the steering knuckle and is respectively connected to the left and right wheel hubs; A stabilizer bar connected to the front end of the subframe assembly through two stabilizer bar covers; A first upper control arm having a first end connected to an upper portion of the subframe assembly and a second end connected to a first steering knuckle bracket; A first lower control arm having a first end connected to a lower portion of the subframe assembly and a second end connected to a first steering knuckle bracket; a first stabilizer bar suspension arm having a first end connected to the first end of the stabilizer bar and a second end connected to the first upper control arm; A second upper control arm, having a first end connected to an upper portion of the subframe assembly and a second end connected to a second steering knuckle bracket; A second lower control arm, having a first end connected to a lower portion of the subframe assembly and a second end connected to a second steering knuckle bracket; a second stabilizer bar suspension arm having a first end connected to the second end of the stabilizer bar and a second end connected to the second upper control arm; A first airbag, the lower end of which is connected to the first steering knuckle bracket, and the upper end of which is connected to the inner side of the first longitudinal beam through the upper bracket; and A second airbag, the lower end of which is connected to the second steering knuckle bracket, and the upper end of which is connected to the inner side of the second longitudinal beam through the upper bracket; The first airbag is arranged on the outside of the first longitudinal beam, and the second airbag is arranged on the outside of the second longitudinal beam.

2. The front independent suspension according to claim 1, characterized in that The first steering knuckle bracket and the second steering knuckle bracket are respectively provided with steering knuckles.

3. The front independent suspension according to claim 2, characterized in that It also includes a first shock absorber and a second shock absorber, wherein the upper end of the first shock absorber is connected to the subframe assembly, and the lower end is connected to the first lower control arm or the first steering knuckle bracket; the upper end of the second shock absorber is connected to the subframe assembly, and the lower end is connected to the second lower control arm or the second steering knuckle bracket.

4. The front independent suspension according to any one of claims 1 to 3, characterized in that The left and right wheel hubs are respectively provided with brake discs and brakes.

5. The front independent suspension according to claim 4, characterized in that The tops of the first longitudinal beam and the second longitudinal beam have first reinforcing ribs extending outward, and the bottoms of the first longitudinal beam and the second longitudinal beam have second reinforcing ribs extending inward.

6. The front independent suspension according to claim 5, characterized in that The first reinforcing rib and the second reinforcing rib are integrally formed with the first longitudinal beam or the second longitudinal beam or are separately connected.

7. The front independent suspension according to claim 5, characterized in that The first lower control arm and the second lower control arm are arranged in an eight-shaped shape and are an integral structure or a split structure, and the first upper control arm and the second upper control arm are arranged in an eight-shaped shape and are an integral structure or a split structure.

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