CN217944827U - Multi-connecting-rod type independent suspension structure - Google Patents

Abstract

The utility model relates to the technical field of automobile suspension, in particular to a multi-connecting rod type independent suspension structure, which comprises a claw, a rear transverse control arm, a rear toe-in adjusting rod and a rear inclined downward control arm; one side of each horn is connected with a vehicle wheel, and the other side of each horn is connected with an auxiliary frame of the vehicle through two ends of a rear transverse control arm, a rear toe-in adjusting rod and a rear inclined downward control arm respectively; the rear transverse control arm is hinged with the horn and hinged with the auxiliary frame through two connecting points. The assembly points of the rear oblique upward control arm, the original transverse control arm and the rear claw are combined into an assembly point by the rear transverse control arm, the assembly points of the rear oblique upward control arm and the auxiliary frame and the assembly points of the original transverse control arm and the auxiliary frame are reserved simultaneously, the functions of the rear oblique upward control arm and the rear transverse control arm are born simultaneously, the supporting force in the X direction and the Y direction of the rear suspension is provided, and the interference of a connecting rod and a battery pack which are arranged in a staggered mode is avoided.

Description

Multi-connecting-rod type independent suspension structure

Technical Field

The utility model relates to an automobile suspension technical field, more specifically relates to a multi-link formula independent suspension structure.

Background

The traditional rear suspension multi-link structure generally comprises four or five control arms, and the control arms are more in number, so that the space in the direction of the suspension X, Y is more, and the arrangement requirement of a new energy vehicle is not met. First, not conducive to battery pack, electrical drive arrangements; secondly, the traditional multi-link suspension lever is small, and the new energy vehicle is generally heavy, so that the spring stiffness is extremely high, and the new energy vehicle is easy to break and fail; thirdly, if seven seats need to be considered in the vehicle model, the space of a third row of seats needs to be arranged, and the space of a trunk is not influenced, the traditional multi-connecting-rod rear suspension cannot meet the requirements, so that a plurality of vehicle enterprises can only select a torsion beam type rear suspension structure, and the comfort and the control stability are sacrificed.

The suspension unit comprises a lower control arm, a steering knuckle, a shock absorber, an elastic piece, a toe angle adjusting rod and an upper control arm, wherein the upper control arm comprises an upper front control arm and an upper rear control arm; the lower control arm, the toe angle adjusting rod, the upper front control arm and the upper rear control arm are all connected with one side of the steering knuckle, which is far away from the wheel, and the lower control arm, the toe angle adjusting rod, the upper front control arm and the upper rear control arm are all used for being connected with an auxiliary frame of the vehicle; the shock absorber is positioned between the upper front control arm and the upper rear control arm, the upper rear control arm is positioned between the shock absorber and the elastic piece, and the shock absorber and the elastic piece are both used for connecting the lower control arm and the vehicle body of the vehicle; the toe angle adjusting rod is positioned between the upper front control arm and the lower control arm. However, the upper control arm and the upper front control arm of the suspension unit are respectively connected with the steering knuckle, and the complicated connecting rod causes interference with an electric drive and a battery pack, so that the capacity of the battery pack is influenced, and the endurance mileage of the electric vehicle is short.

SUMMERY OF THE UTILITY MODEL

The utility model discloses an overcome above-mentioned prior art the defect, a multi-link formula independent suspension structure is provided, the back transverse control arm that is the A font has fused the function of back oblique upward control arm and back transverse control arm, the assembly point that control arm and goat's horn assembly are gone up to the back oblique and the assembly point of back and goat's horn assembly merge into an assembly point, remain the assembly point of back oblique upward control arm and sub vehicle frame simultaneously, also remain back transverse control arm and sub vehicle frame assembly point, the holding power of suspension X direction and Y direction has not only been provided, also leave the interior third row seat space arrangement space of car, the suitability of suspension behind the multi-link has been improved.

In order to solve the technical problem, the utility model discloses a technical scheme is:

a multi-connecting rod type independent suspension structure comprises a claw, a rear transverse control arm, a rear toe-in adjusting rod and a rear inclined downward control arm; one side of the horn is used for connecting vehicle wheels, and the other side of the horn is connected with an auxiliary frame of the vehicle through two ends of the rear transverse control arm, the rear toe-in adjusting rod and the rear inclined downward control arm respectively; one end of the rear transverse control arm is hinged with the horn and the other end is hinged with the auxiliary frame through two connecting points.

The knuckle is used for transferring and bearing the load of the automobile and supporting and driving the wheels to rotate around the main pin so as to steer the automobile. The rear transverse control arm is used as a guide and force transmission element of an automobile suspension system, transmits various forces acting on the wheels to the automobile body, and simultaneously ensures that the wheels move according to a certain track. The rear toe-in adjusting rod is used for adjusting the toe-in of the automobile, and the toe-in adjustment is carried out by changing the length of the rear toe-in adjusting rod. The rear lower control arm is an important component of a multi-link suspension, and mainly bears various forces and moments transmitted by tires during running of a vehicle.

As one preferable scheme, one end of the rear transverse control arm is connected with the auxiliary frame through a bushing, and the other end of the rear transverse control arm is connected with the claw through a ball joint.

The bushings are mainly mounted on the chassis part, and because various suspension and control arms are arranged below the chassis and are connected through rotating shafts, in order to reduce mutual abrasion among the parts, a large number of bushings are used for connection among the suspension systems of the automobiles. The opening end of the rear transverse control arm comprises two small arms, and the end parts of the small arms are connected with a rotating shaft at the corresponding position of the auxiliary frame through bushings; because the vehicle can produce vibrations at the in-process of traveling, the bush still possesses certain shock-absorbing function, and the bush adopts steel ring and rubber die-casting to make, and the hard metal of shell is used for spacing, prevents that the bush from being crushed, and the rubber of the inside can produce deformation when receiving external force to play the effect of absorption vibrations. When the vehicle passes through a bumpy road, high-frequency vibration can be generated, the vibration can be absorbed by the shock absorber and the tires, and a part of vibration can be absorbed by various suspension bushings, so that the vibration is prevented from being transmitted into a cab as much as possible, and the comfort performance of the vehicle is improved.

As one preferable scheme, the rear transverse control arm is of an A-shaped structure, a cross rod is arranged at the opening end of the A-shaped structure, and the A-shaped structure is arc-shaped.

The A-shaped rear transverse control arm combines an assembly point of the rear oblique upward control arm and the claw assembly and an assembly point of the rear transverse control arm and the claw assembly into an assembly point, and simultaneously reserves the assembly point of the rear oblique upward control arm and the auxiliary frame and also reserves the assembly point of the rear transverse control arm and the auxiliary frame, thereby forming an A-shaped control arm structure; the traditional multi-link rear suspension structure generally comprises an upper oblique control arm, a lower oblique control arm, a rear toe-in adjusting rod, a rear transverse control arm and a rear lower swing arm, but occupies a large space; the A-shaped rear transverse control arm not only meets the arrangement requirement of a third row of seats of a seven-person seat vehicle, but also has the functions of a rear oblique upward control arm and a rear transverse control arm, and provides supporting force in the X direction and the Y direction of the rear suspension. The rear transverse control arm has a downward concave arc structure and has a certain buffering effect.

As one preferable scheme, one end of the rear toe-in adjusting rod is hinged to the auxiliary frame through a bushing and a first bolt which are matched and coaxially arranged, and the other end of the rear toe-in adjusting rod is connected with the claw through a ball pin.

As one preferable scheme, the auxiliary frame is further connected with the claw through a rear lower swing arm; and one end of the rear lower swing arm is hinged with the auxiliary frame through a bushing and a second bolt which are matched and coaxially arranged, and the other end of the rear lower swing arm is hinged with the claw through a bushing and a third bolt which are matched and coaxially arranged.

Preferably, the first bolt is an eccentric bolt.

The rear toe-in adjusting rod is assembled with the auxiliary frame through an eccentric bolt, is assembled with one end of the claw through a ball head pin structure, and is used for adjusting toe-in through adjusting the eccentric bolt. The rear lower swing arm is connected with the auxiliary frame at one end and assembled by an eccentric bolt, is connected with the claw at one end and assembled by a bush, and is adjusted to camber by adjusting the eccentric bolt, so that the four-wheel positioning parameter of the rear suspension is accurately controlled, the operation stability is improved, the parameters can be adjusted during after-sale maintenance, and the stability and consistency are improved.

As one preferable scheme, the auxiliary frame is fixed with a stabilizer bar; the stabilizer bar is connected with the rear lower swing arm through a connecting rod.

In the traditional multi-connecting-rod rear suspension, a front cross beam of an auxiliary frame is far away from a wheel center in the X direction, and an electric drive is arranged at the front end of the wheel center in the X direction, so that the capacity of a battery pack is small, and a rear longitudinal arm is arranged in the X direction to cause interference with the battery pack; and the oblique downward control arm in back has undertaken suspension X direction atress jointly with the control arm, and the crossbeam of sub vehicle frame arranges towards the back simultaneously, and the X direction is close the wheel center position, has increased the space of arranging of battery package, has promoted battery capacity, and the electricity drives moreover and arranges in the wheel center position of inclining to the back in the X direction, leaves the space of arranging in Z direction and X direction for the third row seat of seven people's seats.

As one preferable scheme, the rear lower swing arm is connected with the vehicle body through a rear pillar integrating a spring and a shock absorber; the spring, the shock absorber and the rear support are coaxially arranged.

As one preferable scheme, the top of the rear pillar is in threaded connection with the vehicle body, and the bottom of the rear pillar is connected with the rear lower swing arm through a matched bushing to form a sunken arrangement.

The rear support is arranged in a sinking way, so that the space in the vehicle is not occupied, and the space of the luggage case is not influenced.

The rear strut integrates a spring and a shock absorber structure, the upper end of the rear strut is assembled with the vehicle body, the lower end of the rear strut is assembled and connected with the rear lower swing arm through a lining, and the arrangement position of the rear strut is close to a tire, so that the lever is larger than that of a traditional rear suspension, the spring stiffness is reduced, the spring weight is reduced, the reliability is improved, and the expansibility of a chassis platform and the comfort of the whole vehicle are improved; in addition, the rear support column is arranged to be lower than the tire in the Z-direction height, so that the space in the vehicle is not occupied, and the third row seats of the seven seats can also be arranged.

As one preferable scheme, two ends of the rear inclined downward control arm are respectively hinged with the auxiliary frame and the claw through bushings. The oblique control arm down in back is articulated with sub vehicle frame, goat's horn respectively for articulated pivot is equipped with the bush, is equipped with in the bush to be used for absorbing rubber sleeve, assembles the comfortable performance that the bush can effectively improve the vehicle, reduces the transmission of vibrations.

Compared with the prior art, the utility model discloses a multi-link formula independent suspension structure, the beneficial effect who gains is: 1. the rear transverse control arm in the shape of the A merges the assembly point of the rear oblique upward control arm and the claw assembly and the assembly point of the rear transverse control arm and the claw assembly into one assembly point, and meanwhile, the assembly points of the rear oblique upward control arm and the auxiliary frame are reserved, and the assembly points of the rear transverse control arm and the auxiliary frame are also reserved. 2. The rear transverse control arm has a downward concave arc structure and has a certain buffering effect. 3. The use of a bushing may improve the comfort of the vehicle. 4. The suspension can not only provide the assembly position of the multi-connecting-rod control arm, but also meet the arrangement of the electric drive and the battery pack, increase the capacity of the battery pack and improve the endurance mileage.

Drawings

Fig. 1 is a schematic view of the suspension structure of the present invention.

FIG. 2 is a schematic view of a subframe connecting a cleat at a first angle.

FIG. 3 is a schematic view of the subframe connecting to the horn of a second angle.

FIG. 4 is a third angle schematic diagram of the subframe and the cleat connection.

FIG. 5 is a schematic view of the connection structure of the toe-in control arm with the subframe and the cleat.

FIG. 6 is a fourth angle diagram of the subframe and the cleat connection.

Wherein, 1, sheep horn; 2. a rear transverse control arm; 3. a rear toe-in adjusting rod; 4. a rear obliquely downward control arm; 5. an auxiliary frame; 6. a first bolt; 61. a second bolt; 62. a third bolt; 7. a ball stud; 8. a rear lower swing arm; 9. a rear pillar; 10. a stabilizer bar; 11. a connecting rod; 12. a tire.

Detailed Description

The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationships depicted in the drawings are for illustrative purposes only and are not to be construed as limiting the present patent.

The same or similar reference numbers in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if there are terms "upper", "lower", "left", "right", "long", "short", "top", "bottom", "inner", "outer", etc. indicating orientations or positional relationships based on the orientations or positional relationships shown in the drawings, the description is merely for convenience of description and simplification of the description, but it is not intended to indicate or imply that the devices or elements referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationships in the drawings are only used for illustrative purposes and are not to be construed as limitations of the present patent, and those skilled in the art will understand the specific meanings of the terms according to specific situations.

The technical solution of the present invention is further described in detail by the following specific embodiments in combination with the accompanying drawings:

example 1

As shown in fig. 1 to 5, the embodiment provides a multi-link independent suspension structure, which is used for a rear suspension of a new energy vehicle, can adjust toe-in and camber, conveniently and well control four-wheel positioning accuracy, and improve handling stability; the electric drive and battery pack arrangement can be met; the arrangement of seats in the third row of the electric automobile can be met, and the expansibility of a chassis platform is improved; meanwhile, the rear support 9 is arranged in a sinking way, so that the space in the vehicle is not occupied, and the space of the luggage case is not influenced; in addition, the rear support 9 is of an integrated structure, the spring lever is enlarged, the space is saved, the stress of the spring is reduced, and the comfort of the whole vehicle is improved while the reliability is improved.

The novel multi-link suspension that this embodiment provided includes goat's horn 1, back horizontal control arm 2, back toe-in adjusting pole 3, the downward control arm 4 of back slope, and wherein, goat's horn 1 is the knuckle for the transmission bears car load wheel and stopper dress on the knuckle, and during the turning to, the knuckle just rotates around this round pin. Specifically, the claw 1 is connected with a rear auxiliary frame 5 of the automobile through a rear transverse control arm 2, a rear toe-in adjusting rod 3 and a rear inclined downward control arm 4, and the suspension can provide a buffer effect for the automobile passing through an uneven road surface; the wheels are ensured to move in a fixed angle, so that the steering is stable; the good contact between the wheels and the road surface is maintained, and the driving wheels and the braking force generated between the wheels and the road surface can be reliably transmitted to the vehicle body.

More specifically, the cavel 1 is connected with the auxiliary frame 5 through a rear transverse control arm 2, and the rear transverse control arm 2 is in an A shape and comprises two small arms which are divided into an opening end and a closing end; the closed end is used for being connected with the cavel 1, and the top of the cavel 1 is connected with the closed end of the rear transverse control arm 2 through a spherical hinge. Be equipped with the spread groove that is used for assembling this forearm on the position that two forearm of sub vehicle frame 5 and back transverse control arm 2 correspond, the tip of forearm is equipped with the connecting hole, corresponds the forearm and inserts in the spread groove, uses the bolt to carry on spacingly, and reuse nut compresses tightly, can accomplish goat's horn 1 and sub vehicle frame 5 be connected.

The A-shaped rear transverse control arm 2 combines an assembly point of the rear oblique upward control arm and the claw 1 and an assembly point of the rear transverse control arm 2 and the claw 1 into an assembly point, and simultaneously reserves the assembly point of the rear oblique upward control arm and the auxiliary frame 5 and also reserves the assembly point of the rear transverse control arm 2 and the auxiliary frame 5, thereby forming an A-shaped control arm structure; the traditional multi-link rear suspension structure generally comprises an upper oblique control arm, a lower oblique control arm, a rear toe-in adjusting rod 3, a rear transverse control arm 2 and a rear lower swing arm 8, but occupies a large space; the A-shaped rear transverse control arm 2 not only meets the arrangement requirement of a third row of seats of a seven-person seat vehicle, but also bears the functions of a rear oblique upward control arm and a rear transverse control arm 2 and provides supporting force in the X direction and the Y direction of a rear suspension.

Furthermore, the cavel 1 is also provided with assembling points for assembling a rear inclined downward control arm 4, a rear toe-in adjusting rod 3 and a rear lower swing arm 8; specifically, one side that goat's horn 1 is close to the vehicle direction of advance is equipped with the first fitting point that is used for assembling back oblique control arm 4 down, and the position that corresponds on sub vehicle frame 5 is provided with first fitting point, and the both ends of back oblique control arm 4 down are assembled respectively in first fitting point and first fitting point, all connect through articulated form, are equipped with the bush in the pivot and are used for reducing the friction between the part to absorb the vibrations that the car travel in-process produced. The bush is used for alleviateing the mutual wearing and tearing between the part, but also possesses certain shock-absorbing function, and the bush adopts steel ring and rubber die-casting to make, and the hard metal of shell is used for spacing, prevents that the bush from being crushed, and the rubber of the inside can produce deformation when receiving external force to play the effect of absorption vibrations. When the vehicle passes through a bumpy road, high-frequency vibration can be generated, the vibration can be absorbed by the shock absorber and the tires, and a part of vibration can be absorbed by various suspension bushings, so that the vibration is prevented from being transmitted into a cab as much as possible, and the comfort performance of the vehicle is improved.

In the traditional multi-connecting-rod rear suspension, the front cross beam of the auxiliary frame 5 is far away from the wheel center in the X direction, and the electric drive is arranged at the front end of the wheel center in the X direction, so that the capacity of a battery pack is small, and the rear longitudinal arm is arranged in the X direction to cause interference with the battery pack; and the rear oblique downward control arm 4 and the control arm bear the stress of the suspension in the X direction together, meanwhile, the crossbeam of the auxiliary frame 5 is arranged towards the rear, the X direction is close to the wheel center position, the arrangement space of a battery pack is increased, the battery capacity is improved, and the electric drive is arranged at the rear-biased position of the wheel center in the X direction, so that the arrangement space is reserved for the third row of seats of seven seats in the Z direction and the X direction.

Second assembling points which are respectively used for assembling the rear toe-in adjusting rod 3 are arranged between the first assembling point of the claw 1 and the mounting hole at the top, second assembling points are arranged at corresponding positions on the auxiliary frame 5, specifically, one end of the rear toe-in adjusting rod 3 is hinged with the auxiliary frame 5, a bushing is arranged at the rotating shaft, and the other end of the rear toe-in adjusting rod is connected with the claw 1 through a spherical hinge; the rotating shaft of the rear toe-in adjusting rod 3 and the auxiliary frame 5 in a hinged mode is a first bolt 6, the first bolt 6 is an eccentric bolt, the eccentric bolt penetrates through the second matching point and the adjusting rod, a bushing is assembled, the nut is used for compressing and limiting, and toe-in can be adjusted by rotating the eccentric bolt.

A third assembly point for assembling the rear lower swing arm 8 is arranged on the opposite side of the first assembly point and the second assembly point of the claw 1, a third matching point is arranged at a corresponding position on the auxiliary frame 5, two ends of the rear lower swing arm 8 are respectively hinged to the third assembly point and the third matching point, a bushing is rotatably matched with a rotating shaft, specifically, the rotating shaft of the rear lower swing arm 8 hinged to the auxiliary frame 5 is a second bolt 61, the second bolt 61 is also an eccentric bolt, and the camber can be adjusted by rotating the eccentric bolt; the pivot of back lower swing arm 8 and goat's horn 1 articulated is the third bolt, and wherein, the third bolt is ordinary bolt, and second bolt and third bolt all are equipped with the bush and are used for moving away to avoid possible earthquakes and reduce the wearing and tearing between the part.

A stabilizer bar 10 is fixed on the auxiliary frame 5, wherein the stabilizer bar 10 is connected with the rear lower swing arm 8 through a connecting rod 11, in the traditional multi-link rear suspension, the front cross beam of the auxiliary frame 5 is far away from the wheel center in the X direction, and is electrically driven to be arranged at the front end of the wheel center in the X direction, so that the capacity of a battery pack is smaller, and the rear longitudinal arm is arranged in the X direction to cause interference with the battery pack; and the oblique downward control arm 4 in back has born suspension X direction atress with the control arm jointly, and the crossbeam of sub vehicle frame 5 arranges towards the back simultaneously, and the X direction is close the wheel center position, has increased the arrangement space of battery package, has promoted battery capacity, drives moreover and arranges in the wheel center off-centre position in the X direction, leaves the arrangement space for the third row seat of seven people's seats in Z to and X direction.

Example 2

As shown in fig. 6, the present embodiment provides a multi-link independent suspension structure, and on the basis of embodiment 1, the connection manner and the position relationship of the components are substantially the same, except that the rear transverse control arm 2 is configured into an arc structure as shown in the figure; the rear transverse control arm 2 designed into the arc shape can play a role in buffering stress, so that the vehicle is prevented from being directly impacted by the load, and the comfort performance of the vehicle is improved.

Example 3

As shown in fig. 2-4 and 6, this embodiment provides a multi-link independent suspension structure, in embodiment 1 or embodiment 2, a rear pillar 9 is added on the rear lower swing arm 8, the rear pillar 9 integrates a spring and damper structure, the upper end is assembled with the vehicle body, the lower end is assembled with the rear lower swing arm 8 through a bushing, since the arrangement position is close to the tire 12, the lever ratio is larger compared with the conventional rear suspension, the spring stiffness is reduced, the spring weight is reduced, the reliability is improved, in addition, the rear pillar 9 is arranged with a Z-direction height lower than the tire 12, the space in the vehicle is not occupied, and the third row of seven seats can also be arranged. The top of the rear pillar 9 is connected with the thread of the vehicle body, the bottom of the rear pillar is connected with the rear lower swing arm 8 through a matched bush, and the rear lower swing arm 8 is arranged at a larger distance from the vehicle body, so that the rear pillar 9 is arranged on the upper surface of the rear lower swing arm 8 in a sinking manner, the space in the vehicle is not occupied, and the space of the luggage box is not influenced.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement or improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims (10)

1. A multi-connecting-rod type independent suspension structure comprises a claw (1), a rear transverse control arm (2), a rear toe-in adjusting rod (3) and a rear inclined downward control arm (4); one side of the claw (1) is used for connecting vehicle wheels, and the other side of the claw is connected with an auxiliary frame (5) of the vehicle through two ends of the rear transverse control arm (2), the rear toe-in adjusting rod (3) and the rear inclined downward control arm (4) respectively; the method is characterized in that: one end of the rear transverse control arm (2) is hinged to the claw (1) through a connecting point, and the other end of the rear transverse control arm is hinged to the auxiliary frame (5) through two connecting points.

2. The multi-link independent suspension structure according to claim 1, characterized in that: one end of the rear transverse control arm (2) is connected with the auxiliary frame (5) through a bushing, and the other end of the rear transverse control arm is connected with the claw (1) through a spherical hinge.

3. The multi-link independent suspension structure according to claim 1, characterized in that: the rear transverse control arm (2) is of an A-shaped structure, a cross rod is arranged at the open end of the A-shaped structure, and the A-shaped structure is arc-shaped.

4. The multi-link independent suspension structure according to any one of claims 1 to 3, wherein: one end of the rear toe-in adjusting rod (3) is hinged with the auxiliary frame (5) through a bushing and a first bolt (6) which are matched and coaxially arranged, and the other end of the rear toe-in adjusting rod is connected with the claw (1) through a ball pin (7).

5. The multi-link independent suspension structure according to claim 4, wherein: the auxiliary frame (5) is also connected with the claw (1) through a rear lower swing arm (8);

one end of the rear lower swing arm (8) is hinged to the auxiliary frame (5) through a matched and coaxially arranged bushing and a second bolt (61), and the other end of the rear lower swing arm is hinged to the claw (1) through a matched and coaxially arranged bushing and a third bolt (62).

6. The multi-link independent suspension structure according to claim 5, wherein: the first bolt (6) and the second bolt (61) are eccentric bolts.

7. The multi-link independent suspension structure according to claim 5, wherein: a stabilizer bar (10) is fixed on the auxiliary frame (5); the stabilizer bar (10) is connected with the rear lower swing arm (8) through a connecting rod (11).

8. The multi-link independent suspension structure according to claim 5, wherein: the rear lower swing arm (8) is connected with the vehicle body through a rear support (9) integrating a spring and a shock absorber; the spring, the shock absorber and the rear support (9) are coaxially arranged.

9. The multi-link independent suspension structure according to claim 8, wherein: the top of the rear pillar (9) is connected with the vehicle body through threads, and the bottom of the rear pillar is connected with the rear lower swing arm (8) through a matched bush to form sinking arrangement.

10. The multi-link independent suspension structure according to claim 1, characterized in that: and two ends of the rear inclined downward control arm (4) are respectively hinged with the auxiliary frame (5) and the claw (1) through bushings.

Images