CN220562494U - Double-cross arm independent suspension structure - Google Patents
Double-cross arm independent suspension structure Download PDFInfo
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- CN220562494U CN220562494U CN202322311357.9U CN202322311357U CN220562494U CN 220562494 U CN220562494 U CN 220562494U CN 202322311357 U CN202322311357 U CN 202322311357U CN 220562494 U CN220562494 U CN 220562494U
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- swing arm
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- mounting bracket
- double
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- 239000000725 suspension Substances 0.000 title claims abstract description 34
- 230000009467 reduction Effects 0.000 claims description 34
- 239000003381 stabilizer Substances 0.000 claims description 21
- 230000000149 penetrating effect Effects 0.000 claims description 6
- 238000013016 damping Methods 0.000 claims description 3
- 230000008859 change Effects 0.000 abstract description 5
- 238000009434 installation Methods 0.000 description 11
- 238000004519 manufacturing process Methods 0.000 description 7
- 239000006096 absorbing agent Substances 0.000 description 5
- 230000009286 beneficial effect Effects 0.000 description 4
- 230000035939 shock Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Vehicle Body Suspensions (AREA)
Abstract
The utility model relates to a double-cross arm independent suspension structure, which aims to solve the technical problems that when a current vehicle runs with uneven contact between a wheel and the ground, the wheel is subjected to inclination deflection change caused by jolting, the friction between a tire and the ground is increased, and the operation stability and safety of a daily vehicle are influenced.
Description
Technical Field
The utility model relates to the field of automobile design and manufacture, in particular to a double-cross arm independent suspension structure.
Background
The cross arm type suspension is an independent suspension with wheels swinging in a transverse plane of the automobile, and the double cross arm type suspension is a suspension system with two cross arms, so that the area of the automobile tires contacting the ground is larger, and the stability of the automobile is better when the automobile runs at a high speed; the shock absorber of the double-wishbone independent suspension has no transverse load, can automatically change the camber angle and reduce the wheel tread change to reduce the tire wear, has lower upper end height, is beneficial to reducing the height of a vehicle head and improves the vehicle body modeling. Therefore, the suspension has good steering stability and comfort, and is a relatively high-grade suspension.
However, the double-wishbone independent suspension structure shock absorber is large in occupied space, is generally only mounted on a medium-or large-sized luxury automobile or a high-performance automobile, and when the automobile runs with the wheels in contact with the ground in a bumpy manner, the wheels are subjected to tilting deflection change when jolting, so that the friction between the tires and the ground is increased, and the steering stability and safety of the daily automobile are influenced. In view of this, we propose a double wishbone independent suspension structure.
Disclosure of Invention
The utility model aims to overcome the defects of the prior art, adapt to the actual needs, and provide a double-cross arm independent suspension structure so as to solve the technical problems that when a current vehicle runs with uneven contact between a wheel and the ground, the wheel is subjected to jolt to cause the wheel to incline and deviate, the friction between a tire and the ground is increased, and the steering stability and safety of the daily vehicle are affected.
In order to achieve the purpose of the utility model, the technical scheme adopted by the utility model is as follows: the double-cross arm independent suspension structure comprises a vehicle body longitudinal beam, an auxiliary frame, a cantilever device, a stabilizer bar assembly, a vibration reduction bracket, a first mounting bracket, a second mounting bracket and a third mounting bracket, wherein the vibration reduction bracket, the first mounting bracket and the second mounting bracket are sequentially arranged on the outer side of the vehicle body longitudinal beam; the cantilever device comprises a brake assembly, and an upper swing arm and a lower swing arm which are movably arranged on the brake assembly, wherein the upper swing arm and the lower swing arm are matched to form a double-cross arm supporting structure, the upper swing arm is assembled and connected with the outer side of the longitudinal beam of the vehicle body through the first mounting bracket, and the lower swing arm is assembled and connected with the outer side of the auxiliary frame through the third mounting bracket; the outer side of the lower swing arm is provided with a vibration reduction part, and the vibration reduction part is assembled and connected with the vehicle body longitudinal beam through the vibration reduction bracket to form a side vibration reduction structure; the stabilizer bar assembly is assembled and connected with the outer side of the longitudinal beam of the vehicle body through the second mounting bracket.
Preferably, the upper swing arm is of an A-shaped arm structure and comprises a first installation part which is in fit connection with the first installation bracket and a second installation part which is in fit connection with the brake assembly; the first mounting part is provided with a first fork arm and a second fork arm, and the first fork arm and the second fork arm are assembled and connected with the first mounting bracket through a bushing mounting structure.
Preferably, the lower swing arm is of an A-shaped arm structure and comprises a third installation part and a fourth installation part, wherein the third installation part is connected with the third installation bracket in a matched manner, and the fourth installation part is connected with the brake assembly in a matched manner; the third mounting part is provided with a third fork arm and a fourth fork arm, and the third fork arm and the fourth fork arm are assembled and connected with the third mounting bracket through a bushing mounting structure.
Preferably, the brake assembly is provided with a knuckle, the knuckle is provided with a pair of ball pin seats, and the second installation part and the fourth installation part are all assembled and connected with the ball pin seats through a ball hinge installation structure.
Preferably, a first fixing part is further arranged on one side of the upper swing arm, and the first fixing part is used for fixing the vehicle height sensor.
Preferably, a second fixing part is further arranged on one side of the lower swing arm, and the stabilizer bar assembly is movably assembled with the second fixing part.
Preferably, the stabilizer bar assembly comprises a stabilizer bar body and connecting rods arranged at two ends of the stabilizer bar body, and the connecting rods are detachably connected with the second fixing parts.
Preferably, the vibration reduction component is of a cylindrical structure, and two ends of the vibration reduction component are respectively provided with a first connecting part and a second connecting part; the lower swing arm is provided with an avoidance hole in a penetrating mode, a fixed support is arranged in the avoidance hole in a penetrating mode, the first connecting portion is movably assembled with the vibration reduction support, and the second connecting portion is movably assembled with the fixed support.
Compared with the prior art, the utility model has the beneficial effects that:
the double-cross arm independent suspension structure at least comprises a vehicle body longitudinal beam, a vibration reduction support, a vibration reduction part, a mounting support, an upper swing arm and a lower swing arm, wherein the vibration reduction part is laterally arranged, so that partial lateral force in the running process of a vehicle can be offset, the durability and the stability are improved, the vibration reduction matching connection of the upper swing arm and the vibration reduction part of the double-cross arm suspension with the vehicle body is realized, and compared with the technical scheme that a traditional damper is generally arranged at the middle position of the upper swing arm, the lower swing arm is matched and connected with an auxiliary frame, and the auxiliary frame structure is utilized to facilitate the connection and the positioning of the suspension swing arm, so that the strength is improved. In addition, the lateral arrangement is beneficial to reducing the design difficulty and the production cost of the vehicle body, improving the production efficiency, saving the production cost and improving the reliability of the vehicle.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is an enlarged schematic view of the detail of FIG. 1 according to the present utility model;
FIG. 3 is a schematic side plan view of a portion of the structure of the present utility model;
FIG. 4 is a schematic side elevation view of a portion of the structure of the present utility model;
in the figure: 1. a body rail; 2. an auxiliary frame; 3. a cantilever arrangement; 4. a stabilizer bar assembly; 5. a vibration damping bracket; 6. a first mounting bracket; 7. a second mounting bracket; 8. a third mounting bracket;
301. a brake assembly; 302. an upper swing arm; 303. a lower swing arm; 304. a vibration damping member; 305. a knuckle; 306. a ball pin seat; 307. a first fixing portion; 308. a second fixing portion; 309. avoidance holes; 310. a fixed bracket;
301a, a stabilizer bar body; 301b, connecting rods;
302a, a first mounting portion; 302b, a second mounting portion;
302a-1, a first yoke; 302a-2, a second arm;
303a, a third mounting portion; 303b, a fourth mounting portion;
303a-1, a third yoke; 303a-2, a fourth yoke;
304a, a damper; 304b, air springs.
Detailed Description
The utility model is further illustrated by the following examples in conjunction with the accompanying drawings:
examples: the double-cross arm independent suspension structure comprises a vehicle body longitudinal beam 1, an auxiliary frame 2, a cantilever device 3, a stabilizer bar assembly 4, a vibration reduction bracket 5, a first mounting bracket 6, a second mounting bracket 7 and a third mounting bracket 8, wherein the vibration reduction bracket 5, the first mounting bracket 6 and the second mounting bracket 7 are sequentially arranged on the outer side of the vehicle body longitudinal beam 1, and the third mounting bracket 8 is arranged on the outer side of the auxiliary frame 2;
the cantilever device 3 comprises a brake assembly 301, and an upper swing arm 302 and a lower swing arm 303 which are movably arranged on the brake assembly 301, wherein the upper swing arm 302 and the lower swing arm 303 are matched to form a double-cross arm supporting structure, the upper swing arm 302 is assembled and connected with the outer side of the longitudinal beam 1 of the vehicle body through a first mounting bracket 6, and the lower swing arm 303 is assembled and connected with the outer side of the auxiliary frame 2 through a third mounting bracket 8;
the outer side of the lower swing arm 303 is provided with a vibration reduction part 304, and the vibration reduction part 304 is assembled and connected with the longitudinal beam 1 of the vehicle body through a vibration reduction bracket 5 to form a side vibration reduction structure;
the stabilizer bar assembly 4 is assembled and connected with the outer side of the longitudinal beam 1 of the vehicle body through a second mounting bracket 7. The double-cross arm independent suspension structure at least comprises a vehicle body longitudinal beam 1, a vibration reduction support 5, a vibration reduction part 304, a mounting support, an upper swing arm 302 and a lower swing arm 303, wherein the vibration reduction part 304 is laterally arranged, can offset partial lateral force in the running process of a vehicle, improves durability and stability, realizes the vibration reduction matching of the upper swing arm 302 and the vibration reduction part 304 of the double-cross arm suspension and the vehicle body, and compared with the technical scheme that a traditional damper is generally arranged in the middle position of the upper swing arm 302, the lower swing arm 303 is matched and connected with a subframe 2, and the structure of the subframe 2 is utilized to facilitate the connection and positioning of the suspension swing arm and improve strength. In addition, the lateral arrangement is beneficial to reducing the design difficulty and the production cost of the vehicle body, improving the production efficiency, saving the production cost and improving the reliability of the vehicle.
Specifically, the upper swing arm 302 has an a-arm structure, and includes a first mounting portion 302a cooperatively connected with the first mounting bracket 6, and a second mounting portion 302b cooperatively connected with the brake assembly 301;
first mounting portion 302a has a first prong 302a-1 and a second prong 302a-2, with first prong 302a-1 and second prong 302a-2 each being coupled to first mounting bracket 6 via a bushing mounting structure.
Further, the lower swing arm 303 has an a-arm structure, and includes a third mounting portion 303a cooperatively connected with the third mounting bracket 8, and a fourth mounting portion 303b cooperatively connected with the brake assembly 301;
the third mounting portion 303a has a third fork arm 303a-1 and a fourth fork arm 303a-2, and the third fork arm 303a-1 and the fourth fork arm 303a-2 are assembled and connected with the third mounting bracket 8 through a bushing mounting structure.
It should be noted that, the brake assembly 301 is provided with a knuckle 305, the knuckle 305 is provided with a pair of ball sockets 306, and the second mounting portion 302b and the fourth mounting portion 303b are assembled and connected with the ball sockets 306 through a ball hinge mounting structure.
It should be noted that, a first fixing portion 307 is further disposed on one side of the upper swing arm 302, and the first fixing portion 307 is used for fixing a vehicle height sensor (shown in the figure), and the vehicle height sensor is used for sensing the vehicle height.
It should be noted that, a second fixing portion 308 is further disposed on one side of the lower swing arm 303, and the stabilizer bar assembly 301 is movably assembled with the second fixing portion 308. Specifically, the stabilizer bar assembly 301 includes a stabilizer bar body 301a, and connecting rods 301b provided at both ends of the stabilizer bar body 301a, the connecting rods 301b being detachably connected with the second fixing portions 308, and the function of suppressing the roll of the vehicle is achieved by the stabilizer bar body 301 a.
In addition, the vibration reduction component 304 has a cylindrical structure, and two ends thereof are respectively provided with a first connecting portion 304a and a second connecting portion 304b; in a specific embodiment, the vibration absorbing component 304 is an integrated assembly of the vibration absorber 304a and the air spring 304b, wherein the air spring 304b can be changed into a coil spring, and the upper and lower mounting points (i.e. the first connecting portion 304a and the second connecting portion 304 b) of the integrated assembly of the vibration absorber 304a and the air spring 304b are designed as mounting structures of lifting lug bushings, so that the structure is reliable in connection and low in cost. The damper 304a is disposed in a front-rear position with the upper swing arm 302, the vehicle body side member 1 has a sufficient space to dispose the upper mounting point (first connecting portion 304 a) of the damper 304a, the structural arrangement of the inboard mounting point of the upper swing arm 302, and the mating structural strength of the corresponding vehicle body side member 1 is easily ensured.
The lower swing arm 303 is provided with an avoidance hole 309 in a penetrating manner, a fixed support 310 is arranged in the avoidance hole 309 in a penetrating manner, the first connecting portion 304a and the vibration reduction support 310 are movably assembled, and the second connecting portion 304b and the fixed support 310 are movably assembled.
In conclusion, the shock absorber 304a of the double-wishbone independent suspension has no transverse load, and the upper end is lower in height, so that the height of the vehicle head is reduced, and the vehicle body modeling is improved. Therefore, the suspension has good steering stability and comfort. When the double-cross arm independent suspension is adopted, the degree of freedom of the change of the wheel positioning parameters and the position of the roll center is designed to be larger, and the two-cross arm independent suspension is reasonably matched with the design of the steering mechanism, so that the optimal maneuverability and smoothness can be obtained.
The embodiments of the present utility model are disclosed as preferred embodiments, but not limited thereto, and those skilled in the art will readily appreciate from the foregoing description that various modifications and variations can be made without departing from the spirit of the present utility model.
Claims (8)
1. The double-cross arm independent suspension structure comprises a vehicle body longitudinal beam, an auxiliary frame, a cantilever device and a stabilizer bar assembly, and is characterized by further comprising a vibration reduction bracket, a first mounting bracket, a second mounting bracket and a third mounting bracket, wherein the vibration reduction bracket, the first mounting bracket and the second mounting bracket are sequentially arranged on the outer side of the vehicle body longitudinal beam;
the cantilever device comprises a brake assembly, and an upper swing arm and a lower swing arm which are movably arranged on the brake assembly, wherein the upper swing arm and the lower swing arm are matched to form a double-cross arm supporting structure, the upper swing arm is assembled and connected with the outer side of the longitudinal beam of the vehicle body through the first mounting bracket, and the lower swing arm is assembled and connected with the outer side of the auxiliary frame through the third mounting bracket;
the outer side of the lower swing arm is provided with a vibration reduction part, and the vibration reduction part is assembled and connected with the vehicle body longitudinal beam through the vibration reduction bracket to form a side vibration reduction structure;
the stabilizer bar assembly is assembled and connected with the outer side of the longitudinal beam of the vehicle body through the second mounting bracket.
2. The double-wishbone independent suspension structure according to claim 1, wherein the upper swing arm is an a-arm structure comprising a first mounting portion cooperatively connected with the first mounting bracket and a second mounting portion cooperatively connected with the brake assembly;
the first mounting part is provided with a first fork arm and a second fork arm, and the first fork arm and the second fork arm are assembled and connected with the first mounting bracket through a bushing mounting structure.
3. The double-wishbone independent suspension structure according to claim 2, wherein the lower swing arm is an a-arm structure including a third mounting portion cooperatively connected with the third mounting bracket, and a fourth mounting portion cooperatively connected with the brake assembly;
the third mounting part is provided with a third fork arm and a fourth fork arm, and the third fork arm and the fourth fork arm are assembled and connected with the third mounting bracket through a bushing mounting structure.
4. The double-wishbone independent suspension structure according to claim 3, wherein the brake assembly is provided with a knuckle, the knuckle is provided with a pair of ball pin seats, and the second mounting portion and the fourth mounting portion are both assembled and connected with the ball pin seats through a ball hinge mounting structure.
5. The double wishbone independent suspension structure according to claim 4, wherein one side of the upper swing arm is further provided with a first fixing portion for fixing the vehicle height sensor.
6. The double wishbone independent suspension structure according to claim 4, wherein one side of the lower swing arm is further provided with a second fixing portion, and the stabilizer bar assembly is movably assembled with the second fixing portion.
7. The double wishbone independent suspension structure according to claim 6, wherein the stabilizer bar assembly includes a stabilizer bar body, and connecting bars provided at both ends of the stabilizer bar body, the connecting bars being detachably connected with the second fixing portions.
8. The double-wishbone independent suspension structure according to claim 1, wherein the vibration damping member is a cylindrical structure, and both ends thereof are provided with a first connecting portion and a second connecting portion, respectively;
the lower swing arm is provided with an avoidance hole in a penetrating mode, a fixed support is arranged in the avoidance hole in a penetrating mode, the first connecting portion is movably assembled with the vibration reduction support, and the second connecting portion is movably assembled with the fixed support.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322311357.9U CN220562494U (en) | 2023-08-28 | 2023-08-28 | Double-cross arm independent suspension structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322311357.9U CN220562494U (en) | 2023-08-28 | 2023-08-28 | Double-cross arm independent suspension structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220562494U true CN220562494U (en) | 2024-03-08 |
Family
ID=90090622
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322311357.9U Active CN220562494U (en) | 2023-08-28 | 2023-08-28 | Double-cross arm independent suspension structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220562494U (en) |
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2023
- 2023-08-28 CN CN202322311357.9U patent/CN220562494U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |