CN219154172U

CN219154172U - Suspension system and vehicle

Info

Publication number: CN219154172U
Application number: CN202320329306.6U
Authority: CN
Inventors: 梁荣朝; 尹华清; 李金海; 夏浩文; 吴永锋; 高立军
Original assignee: Zhejiang Geely Holding Group Co Ltd; Zhejiang Remote Commercial Vehicle R&D Co Ltd; Zhejiang Geely Remote New Energy Commercial Vehicle Group Co Ltd
Current assignee: Zhejiang Geely Holding Group Co Ltd; Zhejiang Remote Commercial Vehicle R&D Co Ltd; Zhejiang Geely Remote New Energy Commercial Vehicle Group Co Ltd
Priority date: 2023-02-14
Filing date: 2023-02-14
Publication date: 2023-06-09
Anticipated expiration: 2033-02-14

Abstract

The utility model discloses a suspension system and a vehicle, wherein the suspension system comprises a frame, a plate spring assembly, an axle and a limiting component, wherein the frame comprises a frame body, and an upper wing plate and a lower wing plate which are arranged on the upper side and the lower side of the frame body; the axle is mounted on the lower side of the frame through the plate spring assembly; the limiting assembly comprises an elastic limiting part and a mounting plate, the elastic limiting part is fixed with the frame through the mounting plate, the mounting plate is located between the upper wing plate and the lower wing plate, and the elastic limiting part at least partially protrudes out of the lower wing plate and is located on the top side of the axle. The technical scheme of the utility model can reduce the gravity center of the vehicle and increase the stability of the rolling of the vehicle, thereby increasing the driving safety.

Description

Suspension system and vehicle

Technical Field

The utility model relates to the technical field of vehicles, in particular to a suspension system and a vehicle.

Background

Because the total thickness of the leaf springs required by automobiles, particularly heavy automobiles, is large and the leaf springs are arranged above a rear axle, the gravity centers of a frame and the whole automobile are higher, the higher gravity centers cause poor rolling stability and unsafe running; the high gravity center can finally lead to a high vehicle body, such as a light truck cargo box with a height basically exceeding 3 meters, the high vehicle body brings high windage, reduces dynamic property, improves windage power, and increases energy consumption for overcoming windage.

Disclosure of Invention

The main object of the present utility model is to provide a suspension system aimed at lowering the centre of gravity of a vehicle.

To achieve the above object, the present utility model provides a suspension system comprising:

the frame comprises a frame body, and an upper wing plate and a lower wing plate which are arranged on the upper side and the lower side of the frame body;

a leaf spring assembly;

an axle mounted to the underside of the frame by the leaf spring assembly; and

the limiting assembly comprises an elastic limiting part and a mounting plate, wherein the elastic limiting part is fixed with the frame through the mounting plate, the mounting plate is located between the upper wing plate and the lower wing plate, and the elastic limiting part at least partially protrudes out of the lower wing plate and is located on the top side of the axle.

Optionally, the limiting component further comprises a mounting bracket, the mounting bracket is box-shaped with an opening facing the frame body, the mounting bracket is fixed with the frame, the lower end of the mounting bracket is provided with a mounting concave part protruding out of the lower wing plate, and the mounting plate is arranged on the side surface of the mounting concave part facing the axle.

Optionally, the suspension system further comprises a frame body reinforcement, wherein the frame body reinforcement comprises a reinforcing plate parallel to the frame body and two reinforcing flanges respectively arranged on the upper side and the lower side of the reinforcing plate, the reinforcing plate is in fit connection with the frame body, the two reinforcing flanges are respectively in fit connection with the upper wing plate and the lower wing plate, and the mounting bracket is fixed with the frame body reinforcement.

Optionally, the upper and lower ends of the mounting bracket are respectively connected with two reinforcing flanges, and the mounting bracket is spaced from the reinforcing plate so as to form a pipeline passage between the mounting bracket and the reinforcing plate.

Optionally, a side of the mounting bracket facing the reinforcing plate is provided in a concave arc shape.

Optionally, the limiting component further comprises a reinforcing rib, and the reinforcing rib is arranged between the mounting plate and the reinforcing flange at the lower side.

Optionally, the leaf spring assembly includes a main leaf spring and a sub-leaf spring, the main leaf spring is disposed on the underside of the axle, and the sub-leaf spring is disposed on the upper side of the axle.

Optionally, the suspension system further includes a damper, the leaf spring assembly further includes a saddle bolt and a leaf spring supporting plate, the leaf spring supporting plate is disposed on the lower side of the main plate spring, the auxiliary plate spring and the axle are fastened with the leaf spring supporting plate through the saddle bolt, one end of the damper is fixed with the frame, and the other end of the damper is fixed with the leaf spring supporting plate.

Optionally, the plate spring supporting plate is provided with a pin shaft, and the damper is fixed with the plate spring supporting plate through the pin shaft.

Optionally, the leaf spring layer board includes the layer board body, locates the installation turn-ups of the relative both sides of layer board body, the round pin axle with the installation turn-ups is fixed, the turn-ups height of installation turn-ups is by the one end of layer board body towards the direction of the other end in the gradual reduction.

The utility model also provides a vehicle comprising the suspension system.

The suspension system at least comprises the following beneficial effects:

according to the technical scheme, the vehicle frame, the plate spring assembly, the vehicle axle and the limiting assembly are adopted, and the vehicle frame comprises a vehicle frame body, and an upper wing plate and a lower wing plate which are arranged on the upper side and the lower side of the vehicle frame body; the axle is arranged on the lower side of the frame through the plate spring assembly; the limiting assembly comprises an elastic limiting part and a mounting plate, the elastic limiting part is fixed with the frame through the mounting plate, the mounting plate is located between the upper wing plate and the lower wing plate, and the elastic limiting part at least partially protrudes out of the lower wing plate and is located on the top side of the axle. Specifically, the limiting component is used for limiting the position of the vehicle axle, so that the condition that the vehicle axle is bumpy due to road surface, and the like is avoided, and the vehicle axle is jumped to the vehicle frame, so that the vehicle frame or the vehicle axle is damaged. According to the vehicle axle vibration avoidance device, the mounting plate is arranged between the upper wing plate and the lower wing plate, and the elastic limiting piece at least partially protrudes out of the lower wing plate, so that the free gap between the elastic limiting piece and the vehicle axle is increased, and the vibration avoidance interval of the vehicle axle is increased; it can be understood that when the free clearance between the same axle and the elastic limiting piece is maintained, the gravity center height of the whole vehicle can be reduced, so that the stability of the rolling of the vehicle is improved, and the driving safety is further improved; in addition, the limit stroke of the axle can be adjusted through the height change of the mounting plate; therefore, the utility model can reduce the gravity center of the vehicle and increase the roll stability of the vehicle, thereby increasing the driving safety.

Drawings

In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a suspension system according to an embodiment of the present utility model;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

FIG. 3 is a schematic view of a portion of a suspension system from a perspective;

FIG. 4 is a schematic illustration of the structure of a frame body reinforcement and spacing assembly of the suspension system;

fig. 5 is a schematic structural view of a leaf spring blade of a leaf spring assembly of a suspension system.

Reference numerals illustrate:

the achievement of the objects, functional features and advantages of the present utility model will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present utility model are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.

In the present utility model, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In addition, if there is a description of "first", "second", etc. in the embodiments of the present utility model, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In addition, the meaning of "and/or" as it appears throughout includes three parallel schemes, for example "A and/or B", including the A scheme, or the B scheme, or the scheme where A and B are satisfied simultaneously. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present utility model.

The utility model provides a suspension system.

Referring to fig. 2 to 4, in an embodiment of the present utility model, the suspension system includes a frame 100, a leaf spring assembly 200, an axle 300 and a stopper assembly 400, the frame 100 including a frame body 110, and upper and

lower wing plates

120 and 130 provided at upper and lower sides of the frame body 110; the axle 300 is mounted to the underside of the vehicle frame 100 by the leaf spring assembly 200; the limiting assembly 400 includes an elastic limiting member 410 and a mounting plate 420, the elastic limiting member 410 is fixed to the vehicle frame 100 by the mounting plate 420, the mounting plate 420 is located between the upper wing plate 120 and the lower wing plate 130, and the elastic limiting member 410 protrudes from the lower wing plate 130 at least partially and is located at the top side of the axle 300.

Specifically, the limiting assembly 400 is used to limit the position of the axle 300, so as to prevent the axle 300 from jumping due to road bump or the like, so that the axle 300 jumps against the frame 100, thereby causing damage to the frame 100 or the axle 300. The elastic limiting member 410 in the market at present is generally disposed on the lower wing plate 130 of the vehicle frame 100, so that the elastic limiting member 410 is closer to the vehicle axle 300, so that the free gap between the vehicle axle 300 and the elastic limiting member 410 is smaller, i.e. the vibration avoiding interval of the vehicle axle 300 is smaller; the mounting plate 420 is arranged between the upper wing plate 120 and the lower wing plate 130, and the elastic limiting piece 410 at least partially protrudes out of the lower wing plate 130, so that the free gap between the elastic limiting piece 410 and the axle 300 is increased, namely the vibration avoidance interval of the axle 300 is increased; it can be appreciated that when the free clearance between the same axle 300 and the elastic stopper 410 is maintained, the height of the center of gravity of the whole vehicle can be reduced, thereby increasing the stability of rolling of the vehicle and further increasing the driving safety; moreover, the limit travel of axle 300 may be adjusted by the height variation of mounting plate 420; therefore, the utility model can reduce the gravity center of the vehicle and increase the roll stability of the vehicle, thereby increasing the driving safety.

Furthermore, the suspension system of the scheme can be applied to the light truck, so that the height of the cargo compartment of the light truck can be reduced, the wind resistance of the truck body is reduced, the dynamic property is increased, the wind resistance power is further reduced, and the energy consumption for overcoming the wind resistance is reduced. Of course, the suspension system of the scheme can also be applied to other vehicle types, such as heavy vehicles and the like.

Further, the elastic limiting member 410 may be configured as an elastic rubber block, which is made of soft rubber material with high elasticity, so that the elastic limiting member can play a good role in buffering, and the rubber has wear resistance, so that the service life of the elastic limiting member 410 can be prolonged. Of course, the present utility model is not limited thereto, and in other embodiments, the elastic limiting member 410 may be configured as an elastic silica gel block, and the elastic limiting member 410 is not particularly limited thereto, so long as the elastic buffering function is provided.

Optionally, the limiting assembly 400 further includes a mounting bracket 430, where the mounting bracket 430 is box-shaped and opened toward the frame body 110, the mounting bracket 430 is fixed to the frame 100, and a mounting recess is formed at a position protruding from the lower wing plate 130 at the lower end of the mounting bracket 430, and the mounting plate 420 is disposed on a side surface of the mounting recess facing the axle 300; it will be appreciated that the mounting bracket 430 is box-shaped with an opening toward the frame body 110, which not only increases the supporting force for the elastic stopper 410, but also reduces the weight of the mounting bracket. Furthermore, the side of the mounting bracket 430 facing the axle 300 is provided with a mounting recess, and the mounting plate 420 is disposed on the side of the mounting recess facing the axle 300, so that the free gap between the elastic limiting member 410 and the axle 300 can be increased, and when the free gap between the same axle 300 and the elastic limiting member 410 is maintained, the height of the center of gravity of the whole vehicle can be reduced, and the stability of rolling of the vehicle can be increased, thereby increasing the driving safety. Of course, the present utility model is not limited thereto, and in other embodiments, the mounting plate 420 may be directly disposed on the side of the mounting bracket 430 facing the axle 300 without providing a mounting recess.

Further, the mounting plate 420 has a fixing section extending outwards towards two opposite sides of the mounting bracket 430, the elastic limiting member 410 is connected with the fixing section, and the fixing section is arranged to prevent the mounting bracket 430 from obstructing the connection of the mounting plate 420 and the elastic limiting member 410, so as to increase the connection efficiency of the elastic limiting member 410 and the mounting plate 420. Of course, the present utility model is not limited thereto, and in other embodiments, the mounting plate 420 may comprise only a plate body segment disposed in the mounting recess, and the plate body segment is directly fixed to the elastic limiting member 410.

Optionally, the suspension system further includes a frame body reinforcement 500, where the frame body reinforcement 500 includes a reinforcing plate 510 parallel to the frame body 110, and two reinforcing flanges 520 separately disposed on upper and lower sides of the reinforcing plate 510, the reinforcing plate 510 is in fit connection with the frame body 110, the two reinforcing flanges 520 are respectively in fit connection with the upper wing plate 120 and the lower wing plate 130, and the mounting bracket 430 is fixed with the frame body reinforcement 500; it will be appreciated that adding the frame body reinforcement 500 to the frame 100 may increase the strength of the frame 100, and when installing the spacing assembly 400, the elastic spacing member 410, the mounting plate 420, the mounting bracket 430 and the frame body reinforcement 500 may be assembled into a single body, and then the frame body reinforcement 500 is fixed to the frame 100, so that the installation efficiency of the spacing assembly 400 may be increased. Of course, the utility model is not limited thereto, and in other embodiments, the mounting bracket 430 may be directly secured to the frame 100 without the frame body reinforcement 500.

Optionally, the reinforcing plate 510 is detachably connected to the frame body 110, and the two reinforcing flanges 520 are detachably connected to the upper wing plate 120 and the lower wing plate 130, respectively, because the detachable connection manner is flexible, and the device is convenient to install and replace, for example, but not limited to, when the elastic limiting member 410 is damaged, the limiting assembly 400 is detached integrally in a detachable manner, and then the device is replaced or overhauled, so that the overhauling or replacing efficiency can be increased.

Further, the reinforcing plate 510 is bolted to the frame body 110, and the two reinforcing flanges 520 are bolted to the upper wing plate 120 and the lower wing plate 130, respectively, because the bolted connection has a simple structure, reliable connection, convenient assembly and disassembly, and low cost, thus being beneficial to reducing the installation cost and improving the installation efficiency. Of course, the present utility model is not limited thereto, and in other embodiments, the reinforcement plate 510 may be in rivet connection with the frame body 110, and the two reinforcement flanges 520 may be in rivet connection with the upper wing plate 120 and the lower wing plate 130, respectively.

Alternatively, the upper and lower ends of the mounting bracket 430 are respectively connected to two reinforcing flanges 520, and the mounting bracket 430 is spaced apart from the reinforcing plate 510 to form the through-line passage 600 between the mounting bracket 430 and the reinforcing plate 510. It can be understood that the upper and lower ends of the mounting bracket 430 are respectively connected with the two reinforcing flanges 520, so that the frame body reinforcement 500 and the mounting bracket 430 form a closed shape therebetween, thereby increasing the strength of the frame body reinforcement 500, and the pipeline passage 600 can allow the wire harness of the vehicle chassis to pass therethrough, so that the ordering of the wire harness can be increased; the wiring harness is such as, but not limited to, a brake cable, a wiring harness of a sensor, and the like.

Alternatively, the side of the mounting bracket 430 facing the reinforcing plate 510 is provided in a concave arc shape; this may increase the wire passing space of the wire passing channel 600. Of course, the present utility model is not limited thereto, and in other embodiments, the side of the mounting bracket 430 facing the reinforcing plate 510 may be planar.

Optionally, the spacing assembly 400 further includes a reinforcing rib 440, the reinforcing rib 440 being disposed between the mounting plate 420 and the lower reinforcing flange 520; it will be appreciated that the mounting bracket 430 is box-shaped, and the side of the mounting bracket 430 facing the axle 300 is provided with a mounting recess, the strength of one side of the mounting bracket 430 close to the axle 300 is smaller, and the reinforcing rib 440 is arranged between the mounting plate 420 and the reinforcing flange 520 close to the axle 300, so that the strength of the mounting bracket 430 can be increased, when the axle 300 collides against the elastic limiting member 410, the mounting bracket 430 is prevented from being subjected to the acting force of the elastic limiting member 410, and the lower side of the mounting bracket 430 is broken due to insufficient strength.

Referring to fig. 1 and 5, alternatively, the leaf spring assembly 200 includes a main leaf spring 210 and a sub-leaf spring 220, the main leaf spring 210 being provided on the underside of the axle 300, the sub-leaf spring 220 being provided on the upper side of the axle 300; the main leaf spring 210 and the auxiliary leaf spring 220 are arranged in a split mode, so that the situation that after the arrangement of the height is reduced, the movement gap between the main leaf spring 210 and the auxiliary leaf spring 220 is reduced, and the auxiliary leaf spring 220 interferes with the main leaf spring 210 under the movement limit stroke of the leaf spring assembly 200 is avoided; and ensure that main leaf spring 210 and auxiliary plate spring 220 bearing capacity down, main leaf spring 210 and auxiliary plate spring 220 divide to establish the upper and lower both sides installation of axle 300, reduce the high space that suspension system installed to reduce whole car focus height, increase the security that the vehicle was driven.

Optionally, the suspension system further includes a damper 700, the leaf spring assembly 200 further includes a saddle bolt 230 and a leaf spring blade 240, the leaf spring blade 240 is disposed at a lower side of the main leaf spring 210, the sub-leaf spring 220 and the axle 300 are fastened to the leaf spring blade 240 by the saddle bolt 230, one end of the damper 700 is fixed to the vehicle frame 100, and the other end is fixed to the leaf spring blade 240; it will be appreciated that the shock absorber 700 is mounted at one end on the leaf spring blade 240 at the underside of the main leaf spring 210, which increases the travel of the shock absorber 700, thereby reducing the height of the center of gravity of the suspension system, and thus the height of the center of gravity of the whole vehicle, and increasing the safety of the vehicle running.

Optionally, the leaf spring support plate 240 is provided with a pin 243, and the damper 700 is fixed with the leaf spring support plate 240 through the pin 243; this is because the pin 243 works stably and is easy to install, and the installation efficiency of the shock absorber 700 can be increased. Of course, the present utility model is not limited thereto, and in other embodiments, the damper 700 may be bolted to the leaf spring blade 240.

Alternatively, the leaf spring support plate 240 includes a support plate body 241 and mounting flanges 242 disposed on opposite sides of the support plate body 241, and the pin 243 is fixed to the mounting flanges 242, and the flange height of the mounting flanges 242 is gradually reduced from one end of the support plate body 241 toward the other end; this is advantageous in reducing the weight of the leaf spring blade 240, thereby facilitating the weight reduction of the vehicle. Of course, the present utility model is not limited thereto, and in other embodiments, the plate spring supporting plate 240 includes a supporting plate body 241 and mounting flanges 242 disposed on opposite sides of the supporting plate body 241, the pin 243 is fixed to the mounting flanges 242, and the height of the mounting flanges 242 is unchanged from one end of the supporting plate body 241 to the other end.

The utility model also provides a vehicle, which comprises a suspension system, wherein the specific structure of the suspension system refers to the embodiment, and the vehicle adopts all the technical schemes of all the embodiments, so that the vehicle has at least all the beneficial effects brought by the technical schemes of the embodiments, and the detailed description is omitted.

The foregoing description is only of the optional embodiments of the present utility model, and is not intended to limit the scope of the utility model, and all the equivalent structural changes made by the description of the present utility model and the accompanying drawings or the direct/indirect application in other related technical fields are included in the scope of the utility model.

Claims

1. A suspension system comprising:

a leaf spring assembly;

an axle mounted to the underside of the frame by the leaf spring assembly; and

2. The suspension system of claim 1, wherein the spacing assembly further comprises a mounting bracket having a box shape opening toward the frame body, the mounting bracket being fixed to the frame, and a lower end of the mounting bracket being provided with a mounting recess at a position protruding from the lower wing plate, the mounting plate being provided at a side of the mounting recess facing the axle.

3. The suspension system of claim 2 further comprising a frame body reinforcement comprising a reinforcement plate parallel to the frame body and two reinforcement flanges disposed on upper and lower sides of the reinforcement plate, the reinforcement plate being in abutting engagement with the frame body, the two reinforcement flanges being in abutting engagement with the upper wing plate and the lower wing plate, respectively, the mounting bracket being secured to the frame body reinforcement.

4. The suspension system of claim 3 wherein said mounting bracket is connected at each of its upper and lower ends to two of said reinforcing flanges and is spaced from said reinforcing plate to define a conduit passage between said mounting bracket and said reinforcing plate.

5. The suspension system of claim 4 wherein a side of said mounting bracket facing said reinforcement plate is concavely curved.

6. The suspension system of claim 3 wherein said spacing assembly further comprises a stiffener disposed between said mounting plate and an underside stiffener flange.

7. The suspension system of any one of claims 1 to 6 wherein the leaf spring assembly comprises a main leaf spring and a secondary leaf spring, the main leaf spring being provided on the underside of the axle and the secondary leaf spring being provided on the upper side of the axle.

8. The suspension system of claim 7 further comprising a shock absorber, wherein the leaf spring assembly further comprises a saddle bolt and a leaf spring blade, wherein the leaf spring blade is disposed on the underside of the main plate spring, wherein the main plate spring, the secondary plate spring and the axle are secured to the leaf spring blade by the saddle bolt, and wherein the shock absorber is secured to the frame at one end and to the leaf spring blade at the other end.

9. The suspension system of claim 8 wherein said leaf spring blade is provided with a pin, said shock absorber being secured to said leaf spring blade by said pin.

10. The suspension system of claim 9 wherein the leaf spring carrier includes a carrier body and mounting flanges on opposite sides of the carrier body, the pin being secured to the mounting flanges, the mounting flanges having a flange height that decreases progressively from one end of the carrier body toward the other end.

11. A vehicle comprising a suspension system as claimed in any one of claims 1 to 10.