阅读说明：本技术 汽车、前悬架系统及其转向节和减震器连接结构 (Automobile, front suspension system and steering knuckle and shock absorber connecting structure thereof ) 是由 黄耀康 于 2021-09-23 设计创作，主要内容包括：本发明公开了一种汽车、前悬架系统及其转向节和减震器连接结构,包括：设置于转向节上的联动臂、减震器支架、固定紧固组件以及调节紧固组件；减震器支架包括夹箍和U型内衬架,夹箍包括具有开口的环形固定座以及设置于开口两端的第一连接板和第二连接板；U型内衬架位于第一连接板和第二连接板之间,联动臂的第一端设置于U型内衬架内,第一连接板、第二连接板、U型内衬架和联动臂通过固定紧固组件和调节紧固组件连接；U型内衬架的基板靠近联动臂的第一端的一侧向外折弯形成折弯部,折弯部与联动臂的第一端之间连接有固定组件。本发明有效提高了联动臂与减震器之间连接的可靠性。(The invention discloses an automobile, a front suspension system and a connecting structure of a steering knuckle and a shock absorber thereof, which comprises: the linkage arm, the shock absorber bracket, the fixed fastening component and the adjusting fastening component are arranged on the steering knuckle; the shock absorber support comprises a clamping hoop and a U-shaped lining frame, wherein the clamping hoop comprises an annular fixed seat with an opening, and a first connecting plate and a second connecting plate which are arranged at two ends of the opening; the U-shaped lining frame is positioned between the first connecting plate and the second connecting plate, the first end of the linkage arm is arranged in the U-shaped lining frame, and the first connecting plate, the second connecting plate, the U-shaped lining frame and the linkage arm are connected through the fixing fastening assembly and the adjusting fastening assembly; one side of the base plate of the U-shaped lining frame, which is close to the first end of the linkage arm, is bent outwards to form a bent part, and a fixing assembly is connected between the bent part and the first end of the linkage arm. The invention effectively improves the reliability of the connection between the linkage arm and the shock absorber.)

1. A knuckle and damper connection structure, comprising: the linkage arm (4), the shock absorber bracket, the fixed fastening component and the adjusting fastening component are arranged on the steering knuckle;

the shock absorber support comprises a clamp hoop (2) and a U-shaped lining frame (3), wherein the clamp hoop (2) comprises an annular fixed seat (21) with an opening, and a first connecting plate (22) and a second connecting plate (23) which are arranged at two ends of the opening;

the U-shaped lining frame (3) is positioned between the first connecting plate (22) and the second connecting plate (23);

the U-shaped lining frame (3) comprises a base plate (31), and a third connecting plate (32) and a fourth connecting plate (33) which are arranged on two sides of the base plate (31), wherein the base plate (31) is positioned at the opening, and the third connecting plate (32) and the fourth connecting plate (33) both extend outwards to the outer sides of the first connecting plate (22) and the second connecting plate (23);

the first end of the linkage arm (4) is arranged in the U-shaped lining frame (3), and the first connecting plate (22), the second connecting plate (23), the third connecting plate (32), the fourth connecting plate (33) and the linkage arm (4) are connected through a fixed fastening assembly and an adjusting fastening assembly;

one side of the base plate (31) close to the first end of the linkage arm (4) is bent outwards to form a bending part (34), and a fixing assembly is connected between the bending part (34) and the first end of the linkage arm (4).

2. The knuckle and damper connection according to claim 1, wherein the fixing assembly comprises a first spring, both ends of which are connected between the bent portion (34) and the first end of the linkage arm (4) by spring seats.

3. The knuckle and damper connection structure according to claim 1, wherein the fixing assembly comprises a second spring (6), a second adjusting bolt (5), and a second adjusting nut;

a sixth adjusting hole is formed in the bending part (34), a fifth adjusting hole is formed in the position, corresponding to the sixth adjusting hole, of the linkage arm (4), and the front end of the second adjusting bolt (5) sequentially penetrates through the sixth adjusting hole and the fifth adjusting hole and is in threaded connection with the second adjusting nut;

the second spring (6) is sleeved on the second adjusting bolt (5), and two ends of the second spring (6) are respectively abutted against the linkage arm (4) and the bending part (34).

4. The knuckle and damper connection structure according to claim 1, wherein the fixing assembly includes a third adjusting bolt, a third adjusting nut, and a fourth adjusting nut;

a seventh adjusting hole is formed in the bending part (34), a fifth adjusting hole is formed in the position, corresponding to the seventh adjusting hole, of the linkage arm (4), and the front end of the second adjusting bolt (5) sequentially penetrates through the seventh adjusting hole, the third adjusting nut, the fifth adjusting hole and the fourth adjusting nut;

the third adjusting nut and the fourth adjusting nut are respectively in threaded connection with the second adjusting bolt (5), and the third adjusting nut and the fourth adjusting nut are both abutted against the linkage arm (4).

5. The knuckle and damper connection structure according to claim 1, wherein the side of the base plate (31) close to the annular anchor (2) is an arc-shaped surface matching the damper (1).

6. A front suspension system, comprising: knuckle, shock absorber (1) and a knuckle and shock absorber (1) connection according to any one of claims 1-5.

7. An automobile comprising the front suspension system of claim 6.

Technical Field

The invention relates to the technical field of vehicles, in particular to an automobile, a front suspension system and a connecting structure of a steering knuckle and a shock absorber of the front suspension system.

Background

In modern vehicle suspension constructions, the vehicle shock absorber takes on the task of shock mitigation and absorption, which is usually mounted between the subframe and the knuckle, the lower part being fixed by the knuckle. The steering knuckle bears the load of the automobile, supports and drives the wheels to rotate around the main pin, so that the automobile is steered.

The shock absorber is typically mounted to the knuckle by a clip, typically a clip that is welded to the bracket by a cylindrical opening. The connection between the shock absorber and the axle must be reliable, otherwise the automobile can generate abnormal sound, and vibration can be generated under severe conditions, and finally the shock absorber is damaged.

Disclosure of Invention

In order to solve the technical problems in the background art, the invention provides an automobile, a front suspension system and a connecting structure of a steering knuckle and a shock absorber of the front suspension system.

The invention provides a connecting structure of a steering knuckle and a shock absorber, which comprises: the linkage arm and the shock absorber support are arranged on the steering knuckle, the fixing and fastening assembly is used for connecting the linkage arm and the shock absorber support, and the adjusting and fastening assembly is used for adjusting the camber angle of the wheel;

the shock absorber support comprises a clamping hoop and a U-shaped lining frame, wherein the clamping hoop comprises an annular fixed seat with an opening, and a first connecting plate and a second connecting plate which are arranged at two ends of the opening;

the U-shaped inner lining frame is positioned between the first connecting plate and the second connecting plate;

the U-shaped lining frame comprises a base plate, a third connecting plate and a fourth connecting plate, wherein the third connecting plate and the fourth connecting plate are arranged on two sides of the base plate;

the first end of the linkage arm is arranged in the U-shaped lining frame, and the first connecting plate, the second connecting plate, the third connecting plate, the fourth connecting plate and the linkage arm are connected through the fixed fastening assembly and the adjusting fastening assembly;

one side of the base plate, which is close to the first end of the linkage arm, is bent outwards to form a bending part, and a fixing assembly is connected between the bending part and the first end of the linkage arm.

Preferably, the fixing assembly comprises a first spring, and two ends of the first spring are connected between the bending part and the first end of the linkage arm through spring seats.

Preferably, the fixing assembly comprises a second spring, a second adjusting bolt and a second adjusting nut;

a sixth adjusting hole is formed in the bending part, a fifth adjusting hole is formed in the linkage arm corresponding to the sixth adjusting hole, and the front end of a second adjusting bolt sequentially penetrates through the sixth adjusting hole and the fifth adjusting hole and is in threaded connection with a second adjusting nut;

the second spring sleeve is arranged on the second adjusting bolt, and two ends of the second spring respectively abut against the linkage arm and the bending part.

Preferably, the fixing assembly comprises a third adjusting bolt, a third adjusting nut and a fourth adjusting nut;

a seventh adjusting hole is formed in the bending part, a fifth adjusting hole is formed in the position, corresponding to the seventh adjusting hole, of the linkage arm, and the front end of the second adjusting bolt sequentially penetrates through the seventh adjusting hole, the third adjusting nut, the fifth adjusting hole and the fourth adjusting nut;

and the third adjusting nut and the fourth adjusting nut are respectively in threaded connection with the second adjusting bolt, and are abutted against the linkage arm.

Preferably, one side of the substrate close to the annular fixed seat is an arc-shaped surface matched with the shock absorber.

The present invention also provides a front suspension system, comprising: a knuckle, a damper and a knuckle and damper connection structure according to any one of the above.

The invention also provides an automobile comprising the front suspension system.

According to the automobile, the front suspension system and the connecting structure of the steering knuckle and the shock absorber of the automobile, the base plate of the U-shaped lining frame is matched with the annular fixed seat to form the fixed cavity to fix the shock absorber, so that the connection stability of the shock absorber is effectively improved, and the fatigue failure and deformation caused by long-time work of a common hoop are avoided; the linkage arm, the U-shaped lining frame and the annular fixing seat are fixed through the fixed fastening assembly and the adjusting fastening assembly, meanwhile, the camber angle of the wheel is adjusted, and the linkage arm and the shock absorber are connected through the fixed assembly connected between the U-shaped lining frame and the linkage arm, so that the reliability of connection between the linkage arm and the shock absorber is improved.

Drawings

Fig. 1 is a schematic structural diagram of a front suspension system according to the present invention.

Fig. 2 is a schematic structural diagram of a connecting structure of an automobile steering knuckle and a shock absorber according to the present invention.

Fig. 3 is a schematic structural diagram of a connecting structure of an automobile steering knuckle and a shock absorber according to the present invention.

Fig. 4 is an enlarged view of fig. 3 at a.

Detailed Description

Referring to fig. 1 to 4, the present invention provides a connecting structure of a steering knuckle and a shock absorber of an automobile, including: the linkage arm 4 is arranged on the steering knuckle, the shock absorber support is used for connecting the shock absorber 1, the fixing and fastening assembly is used for connecting the linkage arm 4 and the shock absorber support, and the adjusting and fastening assembly is used for adjusting the camber angle of the wheel;

the shock absorber support comprises a clamping hoop 2 and a U-shaped inner lining frame 3, wherein the clamping hoop 2 is sleeved outside the shock absorber 1, and the clamping hoop 2 comprises an annular fixed seat 21 with an opening, and a first connecting plate 22 and a second connecting plate 23 which are arranged at two ends of the opening;

the U-shaped inner lining frame 3 is positioned between the first connecting plate 22 and the second connecting plate 23;

the U-shaped inner lining frame 3 comprises a base plate 31, and a third connecting plate 32 and a fourth connecting plate 33 which are arranged on two sides of the base plate 31, wherein the base plate 31 is positioned at the opening, and the third connecting plate 32 and the fourth connecting plate 33 both extend outwards to the outer sides of the first connecting plate 22 and the second connecting plate 23;

the first end of the linkage arm 4 is arranged in the U-shaped lining frame 3, and the first connecting plate 22, the second connecting plate 23, the third connecting plate 32, the fourth connecting plate 33 and the linkage arm 4 are connected through a fixed fastening assembly and an adjusting fastening assembly;

one side of the base plate 31 close to the first end of the linkage arm 4 is bent outwards to form a bent part 34, and a fixing assembly is connected between the bent part 34 and the first end of the linkage arm 4.

In the invention, the base plate 31 of the U-shaped lining frame 3 is matched with the annular fixed seat 2 to form a fixed cavity to fix the shock absorber 1, so that the connection stability of the shock absorber 1 is effectively improved, and the fatigue failure and deformation caused by long-time work of a common hoop are avoided; the linkage arm 4, the U-shaped lining frame 3 and the annular fixed seat 2 are fixed through the fixed fastening component and the adjusting fastening component, meanwhile, the camber angle of the wheel is adjusted, and the linkage arm 4 and the shock absorber 1 are connected through the fixed component connected between the U-shaped lining frame 3 and the linkage arm 4, so that the reliability of connection between the linkage arm 4 and the shock absorber 1 is improved.

In the present embodiment, the first connecting plate 22 and the second connecting plate 23 are parallel, the third connecting plate 32 and the fourth connecting plate 33 are parallel, and the first connecting plate 22 and the third connecting plate 32 are parallel.

In this embodiment, one side of the substrate 31 close to the annular fixing seat 2 is an arc-shaped surface matched with the shock absorber 1, so as to better match with the annular fixing seat, thereby fixing the shock absorber 1.

In the present embodiment, the fixing fastening member includes a fixing bolt and a fixing nut;

a first mounting hole is formed in the first connecting plate 22, and a second mounting hole is formed in the position, corresponding to the first mounting hole, of the second connecting plate 23;

third mounting holes are respectively formed in the positions, corresponding to the first mounting holes, of the two ends of the U-shaped lining frame 3, and fourth mounting holes are formed in the positions, corresponding to the third mounting holes, of the linkage arms 4;

the front end of the fixing bolt sequentially penetrates through the first mounting hole, the third mounting hole, the fourth mounting hole, the third mounting hole and the second mounting hole and then is in threaded connection with the fixing nut.

In this embodiment, the adjustment fastening assembly includes a first adjustment bolt and a first adjustment nut;

a first angle adjusting hole is formed in the first connecting plate 22, and a second angle adjusting hole is formed in the position, corresponding to the first angle adjusting hole, of the second connecting plate 23;

third angle adjusting holes are respectively formed in the positions, corresponding to the first angle adjusting holes, of the two ends of the U-shaped lining frame 3, and fourth angle adjusting holes are formed in the positions, corresponding to the third angle adjusting holes, of the linkage arm 4;

one side of the front end of the first adjusting bolt penetrates through the first angle adjusting hole, the third angle adjusting hole, the fourth angle adjusting hole, the third angle adjusting hole and the second angle adjusting hole and then is in threaded connection with the first adjusting nut.

It should be understood by those skilled in the art that the first mounting hole, the second mounting hole, and the arrangement of the first adjusting hole and the second adjusting hole in the present embodiment are all in the prior art, and will not be described in detail herein.

In one embodiment, the fixing assembly comprises a first spring, and two ends of the first spring are connected between the bending part 34 and the first end of the linkage arm 4 through spring seats. Therefore, the steering knuckle can be prompted to reset after the resistance on the wheel disappears, and the stability and the reliability of connection between the steering knuckle and the shock absorber 1 are guaranteed.

In another particular embodiment, the fixing assembly comprises a second spring 6, a second adjusting bolt 5 and a second adjusting nut;

a sixth adjusting hole is formed in the bending part 34, a fifth adjusting hole is formed in the position, corresponding to the sixth adjusting hole, of the linkage arm 4, and the front end of the second adjusting bolt 5 sequentially penetrates through the sixth adjusting hole and the fifth adjusting hole and is in threaded connection with the second adjusting nut;

the second spring 6 is sleeved on the second adjusting bolt 5, and two ends of the second spring 6 respectively abut against the linkage arm 4 and the bending part 34.

Therefore, the distance between the bending part 34 and the linkage arm 4 can be changed by adjusting the position of the second adjusting nut, and the second spring 6 elastically supports the linkage arm 4 and the bending part 34 to absorb vibration.

Of course, in order to reinforce the connection, in the present embodiment, the fifth adjusting hole is an internally threaded through hole that matches the second adjusting bolt 5.

In another embodiment, the fixing assembly includes a third adjusting bolt, a third adjusting nut, and a fourth adjusting nut;

a seventh adjusting hole is formed in the bending part 34, a fifth adjusting hole is formed in the position, corresponding to the seventh adjusting hole, of the linkage arm 4, and the front end of the second adjusting bolt 5 sequentially penetrates through the seventh adjusting hole, the third adjusting nut, the fifth adjusting hole and the fourth adjusting nut;

the third adjusting nut and the fourth adjusting nut are respectively in threaded connection with the second adjusting bolt 5, and the third adjusting nut and the fourth adjusting nut are both abutted against the linkage arm 4.

Therefore, the distance between the bending part 34 and the linkage arm 4 can be adjusted by adjusting the third adjusting nut and the fourth adjusting nut, the connection between the linkage arm 4 and the shock absorber 1 is enhanced, and the reliability is effectively improved.

In this embodiment, a wire harness support is arranged outside the annular fixed seat 21.

The invention also provides a front suspension system which comprises a steering knuckle, a shock absorber 1 and any one of the steering knuckle and shock absorber 1 connecting structure.

In this embodiment, since the front suspension system includes the connecting structure of the knuckle and the shock absorber 1 according to any one of the above embodiments, all the advantages of the connecting structure of the knuckle and the shock absorber 1 are achieved, and therefore, detailed description thereof is omitted.

The invention also provides an automobile comprising the front suspension system.

In this embodiment, since the vehicle includes the front suspension system described in any one of the above embodiments, all beneficial effects of the front suspension system are achieved, and are not described in detail herein.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.