CN215096868U - Rear suspension air suspension - Google Patents
Rear suspension air suspension Download PDFInfo
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- CN215096868U CN215096868U CN202120667356.6U CN202120667356U CN215096868U CN 215096868 U CN215096868 U CN 215096868U CN 202120667356 U CN202120667356 U CN 202120667356U CN 215096868 U CN215096868 U CN 215096868U
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- assembly
- stabilizer bar
- cover plate
- suspension
- thrust rod
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/80—Technologies aiming to reduce greenhouse gasses emissions common to all road transportation technologies
- Y02T10/86—Optimisation of rolling resistance, e.g. weight reduction
Abstract
The utility model discloses a rear overhang air suspension, including stabilizer bar assembly, transaxle housing, gasbag assembly, bumper shock absorber assembly, straight thrust rod assembly, altitude valve assembly, jib assembly and thrust rod assembly to one side. The utility model has the advantages that the airbag assembly is arranged on the upper axle cover plate, the shock absorber assembly, the straight thrust rod assembly and the stabilizer bar assembly are connected on the lower axle cover plate, and compared with a rear suspension air suspension with a four-bar linkage equalizing beam structure, two airbag assemblies (about 11Kg) and two large equalizing beam assemblies (about 45Kg) are reduced; compared with a rear suspension air suspension with a four-bar small C-shaped beam structure, two air bag assemblies (about 11Kg), two shock absorber assemblies (about 5.5Kg) and two small C-shaped beam assemblies (about 66Kg) are reduced; the number of parts of the rear suspension air suspension is greatly reduced, the space utilization rate is increased, and the comprehensive weight can be reduced by 25 percent, so that the purposes of reducing the dead weight, reducing the suspension cost, improving the light weight of the whole vehicle and improving the fuel economy of the whole vehicle are achieved, and the competitiveness of customers is further improved.
Description
Technical Field
The utility model relates to a suspension technical field especially relates to a rear overhang air suspension.
Background
At present, the rear suspension air suspension of the domestic medium-sized passenger car adopts a four-connecting-rod four-airbag structure, and parts such as an airbag, a shock absorber, a thrust rod, a stabilizer bar and the like are required to be integrated together by a crossbeam due to the influence of the spatial layout of the parts. The crossbeam chooses equalizing beam, small-size C type roof beam more, and the crossbeam manufacturing process is complicated, heavy, and is used for some areas road condition abominable, often appears the roof beam body different parts fracture, even breaks, seriously influences driving safety.
FIG. 1 is a rear suspension air suspension of a prior art four bar equalizer beam configuration. The structure comprises a plurality of parts, including four air bag assemblies (about 22kg) and two large equalizing beam assemblies (about 45kg), the cost of the suspension system is high, more quality problems occur on the equalizing beam assemblies in actual market feedback, a large amount of money rectification events are caused, and the quality image of a host factory before a terminal customer is damaged.
Figure 2 is a rear suspension air suspension of a prior art four-bar linkage miniature C-beam configuration. Compared with a balanced beam structure, the structure has more parts, comprises four air bag assemblies (about 22Kg), four shock absorber assemblies (about 11Kg) and two small C-shaped beam assemblies (about 66Kg), has higher cost of a suspension system, has more quality problems in actual market feedback and also causes great money correction events, and damages the quality image of a host factory before a terminal customer.
Therefore, there is a need to provide a new rear suspension air suspension to solve the above technical problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a rear overhang air suspension, it can reduce the spare part and use, reduces suspension system cost, alleviates the weight of suspension, improves whole car fuel performance, and then promotes customer competitiveness.
In order to achieve the above object, the utility model discloses a technical scheme be: the utility model provides a rear overhang air suspension, its includes the stabilizer bar assembly, connects respectively a pair of transaxle case at the both ends of stabilizer bar assembly, fixed mounting are in gasbag assembly on the transaxle case, respectively with bumper shock absorber assembly, straight thrust bar assembly and the altitude valve assembly that transaxle case is connected, connect a pair of jib assembly on the stabilizer bar assembly and be located a pair of oblique thrust bar assembly between the gasbag assembly.
The driving axle housing comprises a lower axle cover plate, an upper axle cover plate and a connecting column, wherein the upper axle cover plate is arranged above the lower axle cover plate, the connecting column is connected between the lower axle cover plate and the upper axle cover plate, the air bag assembly is fixedly arranged on the upper axle cover plate, and the stabilizer bar assembly is connected with the direct thrust rod assembly, the shock absorber assembly and the altitude valve assembly.
The lower axle cover plate comprises a cover plate body, a pair of mounting blocks, a stabilizer bar support, a shock absorber support and a height valve support, wherein the mounting blocks extend downwards from two sides of the cover plate body respectively, the stabilizer bar support is fixedly connected to the side edge of the cover plate body, the shock absorber support and the height valve support extend outwards from one side, far away from the stabilizer bar support, of the cover plate body respectively, the straight thrust rod assembly is connected to the mounting blocks, the end portion of the stabilizer bar assembly is connected to the stabilizer bar support, the shock absorber assembly is connected to the shock absorber support, and the height valve assembly is connected to the height valve support.
The stabilizer bar assembly comprises a stabilizer bar and a pair of stabilizer bar clamping rings sleeved on the stabilizer bar, and the stabilizer bar clamping rings are connected with the suspender assembly.
And a stabilizer bar bushing is connected between the stabilizer bar clamping ring and the stabilizer bar.
The air bag assembly comprises a piston and an air bag connected to the piston, and the piston is fixedly installed on the upper bridge cover plate.
The straight thrust rod assembly comprises a pair of straight thrust rods connected to the mounting blocks and a straight thrust rod seat connected to the end parts of the straight thrust rods.
The suspender assembly comprises a suspender connected to the stabilizer bar assembly and a suspender support connected to the end part of the suspender.
The oblique thrust rod assembly comprises a V-shaped base plate, a pair of oblique thrust rods symmetrically connected to the V-shaped base plate and an oblique thrust rod seat connected to the end portions of the oblique thrust rods.
Compared with the prior art, the utility model relates to a rear overhang air suspension's beneficial effect lies in: compared with a rear suspension air suspension with a four-bar balance beam structure, the rear suspension air suspension has the advantages that two air bag assemblies (about 11Kg) and two large balance beam assemblies (about 45Kg) are reduced; compared with a rear suspension air suspension with a four-bar small C-shaped beam structure, two air bag assemblies (about 11Kg), two shock absorber assemblies (about 5.5Kg) and two small C-shaped beam assemblies (about 66Kg) are reduced; the number of parts of the rear suspension air suspension is greatly reduced, the space utilization rate is increased, and the comprehensive weight can be reduced by 25 percent, so that the purposes of reducing the dead weight, reducing the suspension cost, improving the light weight of the whole vehicle and improving the fuel economy of the whole vehicle are achieved, and the competitiveness of customers is further improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained without inventive work, wherein:
FIG. 1 is a rear suspension air suspension of a prior art four bar equalizer beam configuration;
FIG. 2 is a rear suspension air suspension of a prior art four bar linkage miniature C-beam configuration;
FIG. 3 is a schematic view of a rear suspension air suspension of the present invention;
fig. 4 is another schematic view of a rear suspension air suspension of the present invention;
fig. 5 is a schematic view of a rear suspension mounting axle of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be apparent that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in 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.
Referring to fig. 3 to 5, the present invention relates to a rear suspension air suspension, which includes a stabilizer bar assembly 10, a pair of driving axle housings 20 respectively connected to two ends of the stabilizer bar assembly 10, an air bag assembly 30 fixedly mounted on the driving axle housings 20, a damper assembly 40 respectively connected to the driving axle housings 20, a straight thrust rod assembly 50 and a height valve assembly 60, a pair of suspension rod assemblies 70 connected to the stabilizer bar assembly 10, and a diagonal thrust rod assembly 80 located between the pair of air bag assemblies 30.
The stabilizer bar assembly 10 includes a stabilizer bar 11 and a pair of stabilizer bar clamp rings 12 sleeved on the stabilizer bar 11, and the stabilizer bar clamp rings 12 are connected to the boom assembly 70. Specifically, a stabilizer bushing 13 is connected between the stabilizer bar clip 12 and the stabilizer bar 11.
The driving axle housing 20 comprises a lower axle cover plate 21, an upper axle cover plate 22 positioned above the lower axle cover plate 21 and a connecting column 23 connected between the lower axle cover plate 21 and the upper axle cover plate 22, the air bag assembly 30 is fixedly arranged on the upper axle cover plate 22, and the stabilizer bar assembly 10, the straight thrust bar assembly 50, the shock absorber assembly 40 and the altitude valve assembly 60 are connected on the lower axle cover plate 21; the lower axle cover plate 21 and the upper axle cover plate 22 are welded together with the axle housing.
The lower bridge cover 21 includes a cover body 211, a pair of mounting blocks 212 extending downward from both sides of the cover body 211, a stabilizer bar bracket 213 fixedly connected to a side of the cover body 211, and a damper bracket 214 and a height valve bracket 215 extending outward from a side of the cover body 211 away from the stabilizer bar bracket 213, respectively, the straight thrust rod assembly 50 is connected to the pair of mounting blocks 212, an end portion of the stabilizer rod assembly 10 is connected to the stabilizer bar bracket 213, the damper assembly 40 is connected to the damper bracket 214, and the height valve assembly 60 is connected to the height valve bracket 215.
The air bag assembly 30 comprises a piston 31 and an air bag 32 connected to the piston 31, the piston 31 is fixedly mounted on the upper bridge cover plate 22, and the top end of the air bag 32 is connected with the vehicle frame.
The shock absorber assembly 40 is connected with the frame and plays a role in buffering.
The straight thrust rod assembly 50 comprises a straight thrust rod 51 connected to the pair of mounting blocks 24 and a straight thrust rod seat 52 connected to the end of the straight thrust rod 51, and the straight thrust rod assembly 50 is connected with the frame through the straight thrust rod seat 52.
The boom assembly 70 includes a boom 71 connected to the stabilizer bar assembly 10 and a boom bracket 72 connected to an end of the boom 71, and the boom assembly 70 is connected to the vehicle frame via the boom bracket 72.
The oblique thrust rod assembly 80 comprises a V-shaped backing plate 81, a pair of oblique thrust rods 82 symmetrically connected to the V-shaped backing plate 81 and an oblique thrust rod seat 83 connected to the end part of the oblique thrust rod 82, and the oblique thrust rod assembly 80 is connected with a vehicle frame through the oblique thrust rod seat 83 and is connected with a vehicle axle through the V-shaped backing plate 81.
The utility model relates to a rear suspension air suspension, install the gasbag assembly at the upper bridge apron of transaxle case to support whole car load, connect bumper shock absorber assembly, straight thrust rod assembly and stabilizer bar assembly at the lower bridge apron of transaxle case, compare with the rear suspension air suspension of four-bar balance beam structure, reduced two gasbag assemblies (about 11Kg) and two big balance beam assemblies (about 45 Kg); compared with a rear suspension air suspension with a four-bar small C-shaped beam structure, two air bag assemblies (about 11Kg), two shock absorber assemblies (about 5.5Kg) and two small C-shaped beam assemblies (about 66Kg) are reduced; the number of parts of the rear suspension air suspension is greatly reduced, the space utilization rate is increased, and the comprehensive weight can be reduced by 25 percent, so that the purposes of reducing the dead weight, reducing the suspension cost, improving the light weight of the whole vehicle and improving the fuel economy of the whole vehicle are achieved, and the competitiveness of customers is further improved.
Of course, those skilled in the art should realize that the above-mentioned embodiments are only used for illustrating the present invention, and not for limiting the present invention, and that the changes and modifications to the above-mentioned embodiments are all within the scope of the appended claims as long as they are within the true spirit of the present invention.
Claims (9)
1. A rear overhang air suspension characterized by: the stabilizer bar assembly comprises a stabilizer bar assembly, a pair of driving axle housings respectively connected at two ends of the stabilizer bar assembly, an air bag assembly fixedly mounted on the driving axle housings, a shock absorber assembly, a straight thrust rod assembly, a height valve assembly, a pair of suspension rod assemblies connected on the stabilizer bar assembly and an oblique thrust rod assembly located between the air bag assemblies.
2. A rear suspension air suspension as claimed in claim 1 wherein: the driving axle housing comprises a lower axle cover plate, an upper axle cover plate and a connecting column, wherein the upper axle cover plate is arranged above the lower axle cover plate, the connecting column is connected between the lower axle cover plate and the upper axle cover plate, the air bag assembly is fixedly arranged on the upper axle cover plate, and the stabilizer bar assembly is connected with the direct thrust rod assembly, the shock absorber assembly and the altitude valve assembly.
3. A rear suspension air suspension as claimed in claim 2 wherein: the lower axle cover plate comprises a cover plate body, a pair of mounting blocks, a stabilizer bar support, a shock absorber support and a height valve support, wherein the mounting blocks extend downwards from two sides of the cover plate body respectively, the stabilizer bar support is fixedly connected to the side edge of the cover plate body, the shock absorber support and the height valve support extend outwards from one side, far away from the stabilizer bar support, of the cover plate body respectively, the straight thrust rod assembly is connected to the mounting blocks, the end portion of the stabilizer bar assembly is connected to the stabilizer bar support, the shock absorber assembly is connected to the shock absorber support, and the height valve assembly is connected to the height valve support.
4. A rear suspension air suspension as claimed in any one of claims 1 to 3 wherein: the stabilizer bar assembly comprises a stabilizer bar and a pair of stabilizer bar clamping rings sleeved on the stabilizer bar, and the stabilizer bar clamping rings are connected with the suspender assembly.
5. A rear suspension air suspension as claimed in claim 4 wherein: and a stabilizer bar bushing is connected between the stabilizer bar clamping ring and the stabilizer bar.
6. A rear suspension air suspension as claimed in claim 4 wherein: the air bag assembly comprises a piston and an air bag connected to the piston, and the piston is fixedly installed on the upper bridge cover plate.
7. A rear suspension air suspension as claimed in claim 6 wherein: the straight thrust rod assembly comprises a pair of straight thrust rods connected to the mounting blocks and a straight thrust rod seat connected to the end parts of the straight thrust rods.
8. A rear suspension air suspension as claimed in claim 7 wherein: the suspender assembly comprises a suspender connected to the stabilizer bar assembly and a suspender support connected to the end part of the suspender.
9. A rear suspension air suspension as claimed in claim 8 wherein: the oblique thrust rod assembly comprises a V-shaped base plate, a pair of oblique thrust rods symmetrically connected to the V-shaped base plate and an oblique thrust rod seat connected to the end portions of the oblique thrust rods.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120667356.6U CN215096868U (en) | 2021-03-31 | 2021-03-31 | Rear suspension air suspension |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120667356.6U CN215096868U (en) | 2021-03-31 | 2021-03-31 | Rear suspension air suspension |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215096868U true CN215096868U (en) | 2021-12-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120667356.6U Active CN215096868U (en) | 2021-03-31 | 2021-03-31 | Rear suspension air suspension |
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| Country | Link |
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| CN (1) | CN215096868U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114852198A (en) * | 2022-05-12 | 2022-08-05 | 东风柳州汽车有限公司 | Saddle lifting mechanism for heavy commercial vehicle |
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2021
- 2021-03-31 CN CN202120667356.6U patent/CN215096868U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114852198A (en) * | 2022-05-12 | 2022-08-05 | 东风柳州汽车有限公司 | Saddle lifting mechanism for heavy commercial vehicle |
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