CN218463432U - Double-spiral-spring suspension system - Google Patents
Double-spiral-spring suspension system Download PDFInfo
- Publication number
- CN218463432U CN218463432U CN202222111256.2U CN202222111256U CN218463432U CN 218463432 U CN218463432 U CN 218463432U CN 202222111256 U CN202222111256 U CN 202222111256U CN 218463432 U CN218463432 U CN 218463432U
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- China
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- arm assembly
- cross arm
- coil spring
- spiral spring
- suspension system
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Abstract
The utility model discloses a double spiral spring suspension system, including last horizontal arm assembly, lower xarm assembly, first spiral spring, second spiral spring and bumper shock absorber. The upper cross arm assembly and the lower cross arm assembly are arranged oppositely up and down, the first spiral spring and the second spiral spring are fixed on the lower cross arm assembly and symmetrically arranged along the central line of the lower cross arm assembly, and the shock absorbers are fixed on the lower cross arm assembly. During the running process of the vehicle, the double-spiral-spring suspension system can effectively avoid the vehicle from being out of control (caused by the breakage of the spiral spring) in a short time. In addition, the arrangement mode of the double-spiral-spring suspension system is favorable for enlarging the turning angle range of the steering wheel and improving the maneuvering performance of the vehicle.
Description
Technical Field
The utility model belongs to the technical field of vehicle chassis, a double helix spring suspension system is related to.
Background
In general, the elastic element of the double wishbone spiral spring suspension is a spiral spring, and if the spring breaks and fails during running, the vehicle is in danger of losing control. In addition, based on the structural characteristics of the suspension, the spiral spring occupies more Y-direction space of the vehicle, so that the steering wheel steering angle range is smaller, the vehicle turning radius is larger, and the maneuverability is insufficient.
SUMMERY OF THE UTILITY MODEL
In order to solve the above technical problem, an object of the present invention is to provide a double-spiral-spring suspension system, which can effectively avoid (caused by spiral spring fracture) the vehicle from being out of control in a short time during the running process of the vehicle. In addition, the arrangement mode of the suspension system is favorable for enlarging the turning angle range of the steering wheel and improving the maneuvering performance of the vehicle.
In order to achieve the above purpose, the technical scheme of the utility model is that: a double-spiral-spring suspension system comprises an upper cross arm assembly, a lower cross arm assembly, a first spiral spring, a second spiral spring and a shock absorber. The upper cross arm assembly and the lower cross arm assembly are arranged oppositely up and down, the first spiral spring and the second spiral spring are fixed on the lower cross arm assembly and symmetrically arranged along the central line of the lower cross arm assembly, and the shock absorbers are fixed on the lower cross arm assembly.
Preferably, the first spiral spring and the second spiral spring are positioned on two sides of a front convex part in the middle of the upper cross arm assembly, so that the stress of the whole suspension system is more stable.
Preferably, a first limiting boss is arranged at the top of the first spiral spring, a second limiting boss is arranged at the top of the second spiral spring, the first limiting boss is fixed on the vehicle body and clamped in the first spiral spring, and the second limiting boss is fixed on the vehicle body and clamped in the second spiral spring. First stopper and second stopper play limiting displacement to first spiral spring and second spiral spring, prevent that first spiral spring and second spiral spring from taking place when compressed and rocking about.
Preferably, the bottom of the first spiral spring is fixed on the lower cross arm assembly through a first spiral spring bracket and a first transverse bolt, and the bottom of the second spiral spring is fixed on the lower cross arm assembly through a second spiral spring bracket and a second transverse bolt.
Preferably, the shock absorber is positioned beside the first spiral spring, and the top of the shock absorber is provided with a shock absorber mounting ring and a third transverse bolt for connecting with a vehicle body; the bottom of the lower cross arm assembly is fixed on the lower cross arm assembly through a first transverse bolt.
Preferably, the left end and the right end of the lower cross arm assembly are provided with a lower mounting ring and a lower connecting piece for connecting with a vehicle body.
Preferably, the left end and the right end of the upper cross arm assembly are provided with an upper mounting ring and an upper connecting piece for connecting with a vehicle body.
Preferably, a limiting block is arranged above the front convex part in the middle of the upper cross arm assembly, and the limiting block is fixed on the vehicle body and used for limiting the limit position of the upward jump of the suspension system and preventing the suspension system from excessively jumping upwards.
The utility model provides a two spiral spring suspension systems adopt two spiral springs, if one of them spiral spring fracture became invalid, so another spiral spring can also continue work in the short time to guarantee driving safety, avoid the vehicle out of control. In addition, the spiral spring-mounted suspension system is beneficial to enlarging the steering wheel steering angle range and improving the maneuvering performance of the vehicle.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a partial, full cross-sectional view of the present invention;
fig. 3 is a schematic structural view of the present invention installed on a vehicle body.
Description of the main element symbols:
1 upper cross arm assembly
11 upper mounting ring
12 upper connecting piece
2 lower cross arm assembly
21 lower mounting ring
22 lower connecting piece
3 first spiral spring
31 first limit boss
32 first spiral spring support
33 first transverse bolt
4 second spiral spring
41 second limit boss
42 second coil spring support
43 second transverse bolt
5 shock absorber
51 shock absorber mounting ring
52 third transverse bolt
6 vehicle body
7 limiting block
Detailed Description
The technical solution provided in the embodiments of the double-spiral-spring suspension system according to the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
In the description of the present invention, it should be understood that the terms "center", "lateral", "longitudinal", "front", "back", "left", "right", "up", "down", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the scope of the invention.
As shown in fig. 1, the present invention provides a double-spiral spring suspension system, which includes an upper cross arm assembly 1, a lower cross arm assembly 2, a first spiral spring 3, a second spiral spring 4, and a shock absorber 5.
The upper cross arm assembly 1 and the lower cross arm assembly 2 are arranged oppositely up and down, an upper mounting ring 11 and an upper connecting piece 12 are arranged at the left end and the right end of the upper cross arm assembly 1, the upper mounting ring 11 and the upper cross arm assembly 1 are integrally formed, and the upper connecting piece 12 penetrates through the upper mounting ring 11 and is fixed on a vehicle body through bolts.
The left end and the right end of the lower cross arm assembly 2 are provided with a lower mounting ring 21 and a lower connecting piece 22, the lower mounting ring 21 and the lower cross arm assembly 2 are integrally formed, and the lower connecting piece 22 crosses the lower mounting ring 21 and is fixed on a vehicle body through bolts.
The first spiral spring 3 and the second spiral spring 4 are fixed on the lower cross arm assembly 2 and symmetrically arranged along the central line of the lower cross arm assembly 2, and the first spiral spring 3 and the second spiral spring 4 are positioned on two sides of the front convex part in the middle of the upper cross arm assembly 1.
As shown in fig. 2, the top of the first coil spring 3 is provided with a first limit projection 31, and the top of the second coil spring 4 is provided with a second limit projection 41. In this embodiment, the first limiting boss 31 and the second limiting boss 41 are both hollow cylindrical structures. The top of the first limiting boss 31 can be fixed on the vehicle body 6 in a welding mode, and the bottom of the first limiting boss is clamped in the first spiral spring 3; the top of the second limit boss 41 can be fixed on the vehicle body 6 by welding, and the bottom of the second limit boss is clamped in the second spiral spring 4.
The bottom of the first coil spring 3 is fixed to the lower cross arm assembly 2 by the first coil spring bracket 32 and the first cross bolt 33, and the bottom of the second coil spring 4 is fixed to the lower cross arm assembly 2 by the second coil spring bracket 42 and the second cross bolt 43. The top center of the first spiral spring bracket 32 is provided with an annular boss which is clamped in the first spiral spring 3; the bottom of the first spiral spring support 32 is of a circular ring structure, and a first transverse bolt 33 penetrates through the circular ring structure and the lower cross arm assembly 2. The second spiral spring support 42 and the first spiral spring support 32 have the same structure, and the top center thereof is provided with an annular boss which is clamped in the second spiral spring 4; the bottom of the second spiral spring support 42 is a circular ring structure, and the second transverse bolt 43 passes through the circular ring structure and the lower cross arm assembly 2.
As shown in fig. 1 and 3, the damper 5 is located beside the first coil spring 3, and is provided at the top thereof with a damper mounting ring 51 and a third transverse bolt 52. The damper mount ring 51 is integrally formed with the damper 5, and a third transverse bolt 52 passes through the damper mount ring 51 for fixing the top of the damper 5 to the vehicle body 6. The bottom of the shock absorber 5 is fixed to the lower cross arm assembly 2 by a first transverse bolt 33.
In a preferred embodiment, a limit block 7 is arranged above a front convex part in the middle of the upper cross arm assembly 1, and the limit block 7 is fixed on the vehicle body 6 through bolts. In the running process of the vehicle, the first spiral spring 3 and the second spiral spring 4 are always in a compressed state, and the compression amount changes along with the bumping of the vehicle. When the suspension system jumps too much, the bottom of the limiting block 7 is contacted with the upper cross arm assembly 1, so that the suspension system is prevented from further jumping. First spiral spring 3, second spiral spring 4 and bumper shock absorber 5 play buffering, absorbing effect to the vertical beat of automobile body 6, and when one of them spiral spring fracture became invalid, another spiral spring can also continue to work in the short time to guarantee driving safety, avoid the vehicle out of control.
It should be noted that: the above description is only a preferred embodiment of the present invention, and the scope of the present invention should not be limited once. Therefore, 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 present invention.
Claims (8)
1. A double-spiral-spring suspension system is characterized by comprising an upper cross arm assembly, a lower cross arm assembly, a first spiral spring, a second spiral spring and a shock absorber,
the upper cross arm assembly and the lower cross arm assembly are arranged oppositely from top to bottom,
the first spiral spring and the second spiral spring are both fixed on the lower cross arm assembly and are symmetrically arranged along the central line of the lower cross arm assembly,
the shock absorber is fixed on the lower cross arm assembly.
2. The dual coil spring suspension system of claim 1 wherein said first and second coil springs are positioned on opposite sides of a central forward lobe of said upper cross arm assembly.
3. The dual coil spring suspension system of claim 1 wherein the first coil spring has a first stop boss on a top portion thereof, the second coil spring has a second stop boss on a top portion thereof, the first stop boss being fixed to the vehicle body and being captured within the first coil spring, the second stop boss being fixed to the vehicle body and being captured within the second coil spring.
4. The double coil spring suspension system of claim 1 wherein the bottom portion of the first coil spring is secured to the lower cross arm assembly by a first coil spring bracket and a first transverse bolt, and the bottom portion of the second coil spring is secured to the lower cross arm assembly by a second coil spring bracket and a second transverse bolt.
5. The double coil spring suspension system of claim 4 wherein the shock absorber is located alongside the first coil spring with a shock absorber mounting ring and a third cross bolt on top for attachment to the vehicle body; the bottom of the lower cross arm assembly is fixed on the lower cross arm assembly through the first transverse bolt.
6. The double coil spring suspension system of claim 1, wherein the lower cross arm assembly is provided at left and right ends thereof with lower mounting rings and lower connecting members for connection to a vehicle body.
7. The double coil spring suspension system of claim 1 wherein the upper cross arm assembly has upper mounting rings and upper connectors at its left and right ends for connection to a vehicle body.
8. The double-spiral-spring suspension system according to claim 1, wherein a stopper is provided above a front convex portion in the middle of the upper cross arm assembly, and the stopper is fixed to a vehicle body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222111256.2U CN218463432U (en) | 2022-08-11 | 2022-08-11 | Double-spiral-spring suspension system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222111256.2U CN218463432U (en) | 2022-08-11 | 2022-08-11 | Double-spiral-spring suspension system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218463432U true CN218463432U (en) | 2023-02-10 |
Family
ID=85138338
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222111256.2U Active CN218463432U (en) | 2022-08-11 | 2022-08-11 | Double-spiral-spring suspension system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218463432U (en) |
-
2022
- 2022-08-11 CN CN202222111256.2U patent/CN218463432U/en active Active
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