CN219467486U - Automobile rear suspension system and automobile - Google Patents
Automobile rear suspension system and automobile Download PDFInfo
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- CN219467486U CN219467486U CN202320116156.0U CN202320116156U CN219467486U CN 219467486 U CN219467486 U CN 219467486U CN 202320116156 U CN202320116156 U CN 202320116156U CN 219467486 U CN219467486 U CN 219467486U
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- rear suspension
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Abstract
The utility model discloses an automobile rear suspension system and an automobile, and relates to the technical field of automobiles, wherein the automobile rear suspension system comprises an axle, a pull rod assembly, a stabilizing assembly and a spiral spring, wherein the pull rod assembly, the stabilizing assembly and the spiral spring are respectively arranged on the axle; the pull rod assembly comprises longitudinal pieces symmetrically arranged on two sides of the axle and transverse pull rods transversely arranged, the longitudinal pieces comprise a first longitudinal pull rod and a second longitudinal pull rod, and the movement of the automobile is controlled by controlling the rotation movement of the transverse pull rods, the first longitudinal pull rod and the second longitudinal pull rod; the stabilizing component comprises a stabilizing rod and a connecting piece sleeved on the stabilizing rod, and the connecting piece is connected with the axle; the helical spring is connected to two ends of the axle through the fixing piece, the helical spring is connected with the frame on one side far away from the fixing piece, the side wall of the helical spring abuts against the damper, and the damper is connected with the axle on one side far away from the helical spring. The utility model can solve the technical problems of poor stability and poor smoothness of the automobile caused by the fact that a leaf spring rear suspension system controls the axle assembly to move in the prior art.
Description
Technical Field
The utility model relates to the technical field of automobiles, in particular to an automobile rear suspension system and an automobile.
Background
With the development of global economy and civilization, automobiles are increasingly popular as transportation means such as transportation, people carrying, transportation and the like, the automobiles save time for traveling, improve efficiency for work, facilitate traveling and playing, enrich our lives and increase the development of national economy. The rear suspension system is used as a core component of an automobile chassis and directly determines the steering performance and riding comfort of the automobile. The multi-link rear suspension system is used as one of independent suspension systems, and is provided with a plurality of links, and each link can control acting force of the rear wheels in multiple aspects, so that the automobile has better control performance and riding comfort.
The existing common rear suspension system comprises a plate spring arranged on an axle and a rear shock absorber connected with the plate spring, wherein the plate spring plays a role in elastic connection between a frame and the axle, brake wheels are arranged at two ends of the axle, and the movement of the brake wheels is controlled by controlling the plate spring, however, the movement of the brake wheels is controlled by only adopting the plate spring, the rigidity of the plate spring is poor, so that the comfort of an automobile is poor, and when the load of the automobile is increased, the safety of the load cannot be ensured; and the rear suspension system is at risk of rolling when the vehicle turns, resulting in poor vehicle stability.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model aims to provide an automobile rear suspension system and an automobile, and aims to solve the technical problems of poor automobile stability and poor smoothness caused by the fact that the leaf spring rear suspension system controls an axle assembly to move in the prior art.
An aspect of the present utility model is to provide a rear suspension system for an automobile, including:
the device comprises an axle, a pull rod assembly, a stabilizing assembly and a spiral spring, wherein the pull rod assembly, the stabilizing assembly and the spiral spring are respectively arranged on the axle;
the pull rod assembly comprises longitudinal pieces symmetrically arranged on two sides of the axle and transverse pull rods transversely arranged, the longitudinal pieces comprise a first longitudinal pull rod and a second longitudinal pull rod, and the movement of the automobile is controlled by controlling the rotation movement of the transverse pull rods, the first longitudinal pull rod and the second longitudinal pull rod;
the stabilizing component comprises a stabilizing rod and a connecting piece sleeved on the stabilizing rod, and the connecting piece is connected with the axle;
the spiral spring is connected to two ends of the axle through a fixing piece, the spiral spring is connected with the frame on one side far away from the fixing piece, the side wall of the spiral spring abuts against the damper, and the damper is connected with the axle on one side far away from the spiral spring.
Compared with the prior art, the automobile rear suspension system shown in the embodiment has the beneficial effects that: the automobile rear suspension system provided by the utility model has stronger stability and smoothness, and particularly comprises an axle, a pull rod assembly, a stabilizing assembly and a spiral spring, wherein the pull rod assembly, the stabilizing assembly and the spiral spring are respectively arranged on the axle; the pull rod assembly comprises longitudinal pieces symmetrically arranged on two sides of the axle and transverse pull rods transversely arranged, the longitudinal pieces comprise a first longitudinal pull rod and a second longitudinal pull rod, and the movement of the automobile is controlled by controlling the rotation movement of the transverse pull rods, the first longitudinal pull rod and the second longitudinal pull rod; the stabilizing component comprises a stabilizing rod and a connecting piece sleeved on the stabilizing rod, and the connecting piece is connected with the axle; the helical spring passes through the mounting to be connected in axle both ends, helical spring is in keeping away from mounting one side and frame connection, helical spring's lateral wall supports and leans on the shock absorber, the shock absorber is in keeping away from one side connection axle of helical spring, lateral pull rod through the pull rod subassembly and the separate control of vertical pull rod, stability and ride comfort of suspension system behind the car will be promoted, higher shock resistance has, torsion through the stabilizer bar, improve the anti-roll ability of car, through helical spring's shrink and release, stability and travelling comfort of car under the different bearing state have been guaranteed, thereby the control axle assembly motion of suspension system behind the leaf spring among the prior art has been solved, lead to the car stability poor, ride comfort poor technical problem.
According to an aspect of the foregoing technical solution, the rear suspension system further includes a buffer block disposed on the frame, and the buffer block contracts to limit movement of the axle when the axle jumpers contact the buffer block.
According to an aspect of the above technical solution, the connecting piece includes a first connecting portion and a second connecting portion connected to the first connecting portion, the first connecting portion is sleeved on the stabilizer bar, and the second connecting portion is fixedly connected to the axle.
According to one aspect of the above technical solution, the first connecting portion extends circumferentially to form two symmetrical limiting portions, each limiting portion is provided with a limiting hole, one side of the second connecting portion, which is close to each limiting hole, is provided with a mounting hole, and the second connecting portion passes through each limiting hole and each mounting hole through a fastener, so that the stabilizer bar is fixed on the axle.
According to an aspect of the above technical solution, the fixing member includes a first fixing portion and a second fixing portion connected to the first fixing portion, the second fixing portion is fixedly connected to the axle, and the second fixing portion is connected to the first fixing portion at a side far away from the axle.
According to one aspect of the above technical solution, the second fixing portion is provided with a circular groove at a side close to the first fixing portion, the circular groove and the first fixing portion surround to form a spacing space, and the end of the coil spring is clamped in the spacing space, so that the coil spring is fixed on the axle.
According to an aspect of the above technical solution, the stiffness of the coil spring is adjustable.
According to an aspect of the above technical solution, the stabilizer bar includes a first stabilizer and a second stabilizer connected to two ends of the first stabilizer, the first connector is sleeved on two ends of the first stabilizer, and the second stabilizer is vertically connected to the first stabilizer.
According to an aspect of the above technical solution, brake wheels are provided at two ends of the axle, the second longitudinal tie rod is disposed between the brake wheels and the first longitudinal tie rod, and the lateral tie rod, the first longitudinal tie rod, the second longitudinal tie rod and the stabilizer rod are all connected to the frame at a side far away from the axle.
Another aspect of the present utility model is to provide an automobile, which includes the automobile rear suspension system according to any one of the above-mentioned technical solutions.
Drawings
The foregoing and/or additional aspects and advantages of the utility model will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
FIG. 1 is a schematic view of a rear suspension system of an automobile from a first perspective in a first embodiment of the utility model;
FIG. 2 is a schematic diagram of a second view of a rear suspension system of an automobile according to a first embodiment of the present utility model;
FIG. 3 is a schematic view showing a part of a rear suspension system of an automobile in the first embodiment;
description of the drawings element symbols:
axle 10, brake wheel 11, pull rod assembly 20, transverse pull rod 21, first longitudinal pull rod 22, second longitudinal pull rod 23, rotating member 24, stabilizing assembly 30, stabilizing rod 31, connecting member 32, first stabilizing portion 310, second stabilizing portion 311, first connecting portion 320, second connecting portion 321, limiting portion 3200, limiting hole 3201, mounting hole 3210, coil spring 40, damper 50, buffer block 60, securing member 41, first securing portion 410, second securing portion 411, annular groove 412.
Detailed Description
In order to make the objects, features and advantages of the present utility model more comprehensible, embodiments accompanied with figures are described in detail below. Several embodiments of the utility model are presented in the figures. This utility model may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
It will be understood that when an element is referred to as being "mounted" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," "upper," "lower," and the like are used herein for descriptive purposes only and not to indicate or imply that the apparatus or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the utility model.
In the present utility model, unless explicitly stated and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. 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. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1-3, a rear suspension system for an automobile according to a first embodiment of the present utility model is shown, and the rear suspension system for an automobile includes an axle 10, a pull rod assembly 20, a stabilizing assembly 30 and a coil spring 40 respectively disposed on the axle 10; the tie rod assembly 20 includes longitudinal members symmetrically disposed on both sides of the axle 10, and transverse tie rods 21 disposed transversely, and the longitudinal members include a first longitudinal tie rod 22 and a second longitudinal tie rod 23.
Further, two first longitudinal tie rods 22, two second longitudinal tie rods 23 and a transverse tie rod 21 are connected to the axle 10 through a rotating member 24, and the movement of the vehicle is controlled by controlling the rotational movement of the transverse tie rods 21, the first longitudinal tie rods 22 and the second longitudinal tie rods 23. The use of the tie rod assembly 20 to control the motion of the vehicle will improve the stability and smoothness of the rear suspension system of the vehicle and avoid poor stability caused by the use of leaf springs alone to control the motion of the axle 10 assembly. Meanwhile, the transverse pull rod 21, the first longitudinal pull rod 22 and the second longitudinal pull rod 23 are separately controlled, so that the shock resistance is higher.
Further, the two ends of the axle 10 are provided with the brake wheels 11, the second longitudinal tie rod 23 is arranged between the brake wheels 11 and the first longitudinal tie rod 22, the first longitudinal tie rod 22 is arranged on one side of the axle 10 away from the frame, and the second longitudinal tie rod 23 is arranged on one side of the axle 10 close to the frame. The stability and smoothness of the rear suspension system of the automobile are improved by adjusting and controlling the pull rod assemblies 20 at different positions.
In addition, the stabilizing assembly 30 comprises a stabilizing rod 31 and a connecting piece 32 sleeved on the stabilizing rod 31, wherein the connecting piece 32 is connected with the axle 10, the stabilizing rod 31 is connected with the frame at one side far away from the axle 10, the stabilizing rod 31 is used for improving the anti-rolling capability of the automobile, and when the automobile rolls, the stabilizing rod 31 is twisted to improve the roll rigidity of the rear suspension system of the automobile.
Further, the stabilizer bar 31 includes a first stabilizer 310, and a second stabilizer 311 connected to two ends of the first stabilizer 310, wherein the first connector 320 is sleeved on two ends of the first stabilizer 310, and the second stabilizer 311 is vertically connected to the first stabilizer 310. The first stabilizing portion 310 is arc-shaped and is bent towards the axle 10, the first stabilizing portion 310 is arranged towards the direction close to the axle 10, the second stabilizing portion 311 is arranged towards the direction far away from the axle 10, and the second stabilizing portion 311 is used for connecting with a vehicle frame.
Further, the connecting piece 32 includes a first connecting portion 320 and a second connecting portion 321 connected to the first connecting portion 320, the first connecting portion 320 is sleeved on the first stabilizing portion 310, the second connecting portion 321 is fixedly connected to the axle 10, two symmetrical limiting portions 3200 extend from the circumference of the first connecting portion 320, a limiting hole 3201 is formed in the limiting portion 3200, a mounting hole 3210 is formed in one side, close to the limiting hole 3201, of the second connecting portion 321, and the second connecting portion 321 penetrates through the limiting hole 3201 and the mounting hole 3210 respectively through fasteners to fix the stabilizer bar 31 on the axle 10.
In addition, the coil springs 40 are connected to both ends of the axle 10 through the fixing members 41, the coil springs 40 are connected to the vehicle frame at a side away from the fixing members 41, the side walls of the coil springs 40 abut against the shock absorbers 50, and the shock absorbers 50 are connected to the axle 10 at a side away from the coil springs 40. The coil spring 40 is compressed during the jumping process of the axle 10, and the coil spring 40 plays a role in supporting the automobile and buffering vibration. The rigidity of the coil spring 40 is adjustable, and is a straight cylinder type variable-intercept coil spring 40, in the embodiment, the coil spring 40 with three-level rigidity is adopted, so that the automobile can be maintained at a relatively stable level when the offset frequency of the automobile rear suspension system is changed under different loads, and the comfort of the automobile under different bearing states is ensured; in the straight running state, the small stiffness stage of the coil spring 40 can improve the comfort of the pick-up, the load of the automobile is increased, and the coil spring 40 enters the large stiffness stage and can ensure bearing.
Further, the fixing member 41 includes a first fixing portion 410 and a second fixing portion 411 connected to the first fixing portion 410, the second fixing portion 411 is fixedly connected to the axle 10, the second fixing portion 411 is connected to the first fixing portion 410 on a side far away from the axle 10, the second fixing portion 411 is provided with a circular groove 412 on a side close to the first fixing portion 410, a limit space is formed by surrounding the circular groove 412 and the first fixing portion 410, and an end of the coil spring 40 is clamped in the limit space, so that the coil spring 40 is fixed to the axle 10.
Further, the damper 50 serves as a damper for attenuating the movement amplitude of the coil spring 40, improving the comfort and smoothness of the automobile.
In addition, the rear suspension system of the automobile further comprises a buffer block 60 arranged on the frame. The buffer block 60 is used for limiting movement of the axle 10, when the axle 10 jumps to contact with the buffer block 60, the buffer block 60 is compressed to prevent the axle 10 from continuously jumping upwards, limit the axle 10, reduce the movement range of the axle 10, and increase the stability of the axle 10.
It should be noted that, when the axle 10 moves, the movement of the vehicle is controlled by the first longitudinal tie 22, the second longitudinal tie 23 and the transverse tie 21; when the axle 10 jumps, the compression coil spring 40 will buffer the movement of the axle 10, so as to improve the stability; when the automobile turns and rolls, the stabilizer bar 31 twists, so that the roll rigidity of the automobile rear suspension system is improved, and the anti-roll capability of the automobile is improved; when the axle 10 moves up and down, the kinetic energy of the brake wheel 11 is converted into the mechanical energy of the coil spring 40, and the damping force of the shock absorber 50 acts to attenuate the mechanical energy of the coil spring 40, so that the damping vibration of the coil spring 40 is performed, and the stability and comfort of the automobile are improved. When the axle 10 jumps upwards to contact the buffer block 60, the buffer block 60 starts to be compressed, so that the movement of the axle 10 is limited, and the stability and smoothness of the automobile are further improved.
Compared with the prior art, the automobile rear suspension system provided by the embodiment has the beneficial effects that: the automobile rear suspension system provided by the utility model has stronger stability and smoothness, and particularly comprises an axle, a pull rod assembly, a stabilizing assembly and a spiral spring, wherein the pull rod assembly, the stabilizing assembly and the spiral spring are respectively arranged on the axle; the pull rod assembly comprises longitudinal pieces symmetrically arranged on two sides of the axle and transverse pull rods transversely arranged, the longitudinal pieces comprise a first longitudinal pull rod and a second longitudinal pull rod, and the movement of the automobile is controlled by controlling the rotation movement of the transverse pull rods, the first longitudinal pull rod and the second longitudinal pull rod; the stabilizing component comprises a stabilizing rod and a connecting piece sleeved on the stabilizing rod, and the connecting piece is connected with the axle; the helical spring passes through the mounting to be connected in axle both ends, helical spring is in keeping away from mounting one side and frame connection, helical spring's lateral wall supports and leans on the shock absorber, the shock absorber is in keeping away from one side connection axle of helical spring, lateral pull rod through the pull rod subassembly and the separate control of vertical pull rod, stability and ride comfort of suspension system behind the car will be promoted, higher shock resistance has, torsion through the stabilizer bar, improve the anti-roll ability of car, through helical spring's shrink and release, stability and travelling comfort of car under the different bearing state have been guaranteed, thereby the control axle assembly motion of suspension system behind the leaf spring among the prior art has been solved, lead to the car stability poor, ride comfort poor technical problem.
A second embodiment of the utility model provides an automobile including the automobile rear suspension system in the above embodiment.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing examples illustrate only a few embodiments of the utility model, and are described in detail, but are not to be construed as limiting the scope of the utility model. It should be noted that it is possible for those skilled in the art to make several variations and modifications without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.
Claims (10)
1. An automotive rear suspension system, characterized in that it comprises:
the device comprises an axle, a pull rod assembly, a stabilizing assembly and a spiral spring, wherein the pull rod assembly, the stabilizing assembly and the spiral spring are respectively arranged on the axle;
the pull rod assembly comprises longitudinal pieces symmetrically arranged on two sides of the axle and transverse pull rods transversely arranged, the longitudinal pieces comprise a first longitudinal pull rod and a second longitudinal pull rod, and the movement of the automobile is controlled by controlling the rotation movement of the transverse pull rods, the first longitudinal pull rod and the second longitudinal pull rod;
the stabilizing component comprises a stabilizing rod and a connecting piece sleeved on the stabilizing rod, and the connecting piece is connected with the axle;
the spiral spring is connected to two ends of the axle through a fixing piece, the spiral spring is connected with the frame on one side far away from the fixing piece, the side wall of the spiral spring abuts against the damper, and the damper is connected with the axle on one side far away from the spiral spring.
2. The rear automotive suspension system of claim 1 further comprising a bumper provided on the frame, the bumper contracting to limit movement of the axle when the axle jounce movement contacts the bumper.
3. The rear suspension system of claim 1, wherein the connecting member comprises a first connecting portion and a second connecting portion connected to the first connecting portion, the first connecting portion is sleeved on the stabilizer bar, and the second connecting portion is fixedly connected to the axle.
4. The rear suspension system of claim 3, wherein two symmetrical limiting portions extend from the first connecting portion in the circumferential direction, limiting holes are formed in the limiting portions, mounting holes are formed in the second connecting portion on one side, close to the limiting holes, of the second connecting portion, and fasteners penetrate through the limiting holes and the mounting holes respectively to fix the stabilizer bar to the axle.
5. The rear suspension system of claim 1, wherein the anchor comprises a first anchor portion and a second anchor portion coupled to the first anchor portion, the second anchor portion being fixedly coupled to the axle, the second anchor portion being coupled to the first anchor portion on a side remote from the axle.
6. The rear suspension system of claim 5, wherein the second fixing portion is provided with a circular ring groove at a side close to the first fixing portion, the circular ring groove and the first fixing portion are surrounded to form a limit space, and the tail end of the coil spring is clamped in the limit space, so that the coil spring is fixed on the axle.
7. The rear suspension system of claim 1 wherein the coil spring is adjustable in stiffness.
8. The rear suspension system of claim 4, wherein the stabilizer bar comprises a first stabilizer portion and a second stabilizer portion respectively connected to two ends of the first stabilizer portion, the first connecting portion is sleeved at two ends of the first stabilizer portion, and the second stabilizer portion is vertically connected to the first stabilizer portion.
9. The rear suspension system of claim 1, wherein brake wheels are provided at both ends of the axle, the second longitudinal tie is provided between the brake wheels and the first longitudinal tie, and the transverse tie, the first longitudinal tie, the second longitudinal tie, and the stabilizer are connected to the frame on a side away from the axle.
10. An automobile, characterized in that it comprises an automobile rear suspension system according to any one of claims 1-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320116156.0U CN219467486U (en) | 2023-01-19 | 2023-01-19 | Automobile rear suspension system and automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320116156.0U CN219467486U (en) | 2023-01-19 | 2023-01-19 | Automobile rear suspension system and automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219467486U true CN219467486U (en) | 2023-08-04 |
Family
ID=87458649
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320116156.0U Active CN219467486U (en) | 2023-01-19 | 2023-01-19 | Automobile rear suspension system and automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219467486U (en) |
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2023
- 2023-01-19 CN CN202320116156.0U patent/CN219467486U/en active Active
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