CN202806285U - Novel rear air suspension device - Google Patents
Novel rear air suspension device Download PDFInfo
- Publication number
- CN202806285U CN202806285U CN 201220532691 CN201220532691U CN202806285U CN 202806285 U CN202806285 U CN 202806285U CN 201220532691 CN201220532691 CN 201220532691 CN 201220532691 U CN201220532691 U CN 201220532691U CN 202806285 U CN202806285 U CN 202806285U
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- joist
- supporting beam
- air bag
- air suspension
- fixed
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Abstract
Provided is a novel rear air suspension device. The novel rear air suspension device comprises a rear axle, a car frame, a lower supporting beam assembly, a four-connecting-rod guide mechanism, a spring damping system and a gas circuit control system. The lower supporting beam assembly comprises a front supporting beam and a rear supporting beam which are arranged on inner sides of tires below the rear axle. The spring damping system comprises four dampers and four air bag assemblies, wherein the four dampers and the four air bag assemblies are fixed on the front supporting beam and the rear supporting beam. The gas circuit control system comprises a front height valve arranged outside the car frame and two rear height valves, wherein the two rear height valves are arranged above the rear axle and on inner sides of rear wheels, the front height valve and the rear height valves are respectively connected with the air bag assemblies, and the front supporting beam and the rear supporting beam are both L-shaped supporting beams and symmetrically arranged on two sides of the rear axle. According to the novel rear air suspension device, occupied space of front and rear space of the tires is small, space utilization rates in a bin are high, the left and right lower supporting frames are in L-shaped design, the dampers are moved outwards, and therefore enough space is reserved for installation of a disc type brake. Meanwhile, left and right gaps of the dampers are enlarged, and tripping resistance of the whole car is improved.
Description
Technical field
The utility model relates to automobile suspension system field, specifically relates to a kind of novel rear air suspension apparatus.
Background technology
Domestic rear air suspension can be divided into according to the version of lower joist at present: (1) C type girder construction: this structure air bag and shock absorber are arranged in the tire front and back position, leave sufficient space near the vehicle bridge plate disc brake can be installed, the car load anti-roll capability is better, its shortcoming is the complex structure of lower joist, the spare part mould expense is very high, cost is high, and suspension takies space, tire front and back, and space availability ratio is low in the storehouse; (2) straight beam structure: air bag and shock absorber are arranged in the tire inboard, this structure is relatively simple, cost of manufacture is low, suspension does not take space, tire front and back, space availability ratio is high in the storehouse, its shortcoming is can't the disc brake vehicle bridge (shock absorber is arranged near the plate disc brake air chamber of can and installing the vehicle bridge interferes), and the anti-inclination performance of car load is not as the suspension of C type girder construction.
Because domestic requirement progressively improves to the bus safety traveling comfort, the user increases year by year to the air suspension vehicle demand of disc brake vehicle bridge.Use straight beam structure that the plate disc brake difficulty is installed, and use C type girder construction cost to increase, take in the larger storehouse problem such as space and become increasingly conspicuous.For this reason, we provide a kind of novel rear air suspension apparatus.
The utility model content
The purpose of this utility model is to provide a kind of novel rear air suspension apparatus, has defects to solve existing rear air suspension.
The utility model adopts following technical scheme:
A kind of novel rear air suspension apparatus, comprise back axle, vehicle frame, lower joist assembly, four connecting rod guiding mechanisms, spring damper system and air-path control system, described lower joist assembly comprises front joist and the rear joist that is arranged in tire inboard, back axle below, described spring damper system comprises four shock absorbers and four the air bag assemblies that are fixed on front joist and the rear joist, described air-path control system comprises front levelling valve and two the rear levelling valves that are installed in the inboard back axle of trailing wheel top that are installed in frame outside, front levelling valve is connected with the air bag assembly respectively with rear levelling valve, described front joist and rear joist are the L-type joist, and are symmetrically set in the back axle both sides.
Particularly, above-mentioned L-type joist comprises long straight beam and connected oblique short beam, the two ends of long straight beam are fixed in described air bag assembly lower end, the upper end is fixed on vehicle frame, wherein two shock absorber lower ends are individually fixed on the short beam, two other shock absorber lower end is individually fixed on the long straight beam of a relative end with the short beam coupling end, and the upper end of described shock absorber all is fixed on the vehicle frame.
Further, above-mentioned long straight beam two ends are respectively equipped with a pallet, and described air bag assembly lower end is fixed on the described pallet.
Above-mentioned four connecting rod guiding mechanisms comprise two oblique propelling rod and two longitudinal rods of forming the V font, one end of described oblique propelling rod, longitudinal rod is connecting vehicle frame respectively, the other end connects back axle, oblique propelling rod and longitudinal rod are controlled back axle with respect to the path of motion of vehicle body, and vertical external force that laterally reaches that road surface in the Vehicle Driving Cycle process produces is passed to vehicle body.
By above-mentioned description to the utility model structure as can be known, be compared with existing technology, the utlity model has following advantage: the space was few before and after air suspension apparatus took tire after this structure, space availability ratio is high in the storehouse, and left and right lower joist is the L-type design, and shock absorber moves outward, reserve sufficient space plate disc brake is installed, simultaneously, the between left and right distance of shock absorber strengthens, and has improved the car load anti-roll capability, in addition, air suspension apparatus is simple in structure after this structure, and low cost of manufacture makes things convenient for batch manufacturing.
Description of drawings
Fig. 1 is front view of the present utility model;
Fig. 2 is birds-eye view of the present utility model;
Fig. 3 is the front view of L-type joist;
Fig. 4 is the birds-eye view of L-type joist.
The specific embodiment
The specific embodiment of the present utility model is described with reference to the accompanying drawings.For complete understanding the utility model, many details are described below, but to those skilled in the art, need not these details and also can realize the utility model.For known assembly, method and process, below be not described in detail.
A kind of novel rear air suspension apparatus, with reference to Fig. 1 and Fig. 2, comprise back axle 1, vehicle frame 2, lower joist assembly, four connecting rod guiding mechanisms, spring damper system and air-path control system, lower joist assembly comprises front joist 3 and the rear joist 4 that is arranged in tire inboard, back axle 1 below, front joist 3 and rear joist 4 are fastening in aggregates by saddle clamp and back axle 1, front joist 3 is the L-type joist with rear joist 4, and be symmetrically set in back axle 1 both sides, lower joist assembly carries the power that four connecting rod guiding mechanisms and spring damper system produce back axle 1 in the Vehicle Driving Cycle process; With reference to Fig. 3 and Fig. 4, wherein, the L-type joist comprises long straight beam 31 and connected oblique short beam 32, and long straight beam 31 two ends are respectively equipped with a pallet 311.
With reference to Fig. 2, four connecting rod guiding mechanisms comprise two oblique propelling rod 5 and two longitudinal rods 6 of forming the V font, one end of oblique propelling rod 5, longitudinal rod 6 is connecting vehicle frame 2 respectively, the other end connects back axle 1, oblique propelling rod 5 and longitudinal rod 6 are controlled back axles 1 with respect to the path of motion of vehicle body, and vertical external force that laterally reaches that road surface in the Vehicle Driving Cycle process produces is passed to vehicle body.
Continuation is with reference to Fig. 1 and Fig. 2, spring damper system comprises four shock absorbers 7 and four the air bag assemblies 8 that are fixed on the left and right sides on front joist 3 and the rear joist 4, air bag assembly 8 lower ends are fixed on the pallet 311 at long straight beam 31 two ends, the upper end is fixed on vehicle frame 2, wherein two shock absorber 7 lower ends are individually fixed on the short beam 32, two other shock absorber 7 lower ends are individually fixed on the long straight beam 31 with the relative end of short beam 32 coupling ends, the upper end of shock absorber 7 all is fixed on the vehicle frame 2, shock absorber 7 and air bag assembly 8 absorb road shocks, accelerate the decay of vehicle frame 2 and body vibrations, improve ride of vehicle, and the bob stroke of restricting vehicle; Air-path control system comprises front levelling valve (not shown in FIG.) and two the rear levelling valves 9 that are installed in the inboard back axle of trailing wheel 1 top that are installed in vehicle frame 2 outsides, front levelling valve is connected with air bag assembly 8 respectively with rear levelling valve 9, guarantee that by air being flowed into the control of flowing out air spring assembly the air spring assembly height remains constant at normal mode of operation, and then the height that guarantees car load can not change because of the variation of load, give full play to the anti-roll capability of air bag assembly 8, improve lateral stability, and can be used in combination with electromagnetic valve, reach vehicle body is risen, the purpose that descends, the purpose of this function be ship time on the vehicle or by limit for height local time improve crossing ability.
Above-mentioned only is the specific embodiment of the present utility model, but design concept of the present utility model is not limited to this, allly utilizes this design that the utility model is carried out the change of unsubstantiality, all should belong to the behavior of invading the utility model protection domain.
Claims (4)
1. novel rear air suspension apparatus, comprise back axle, vehicle frame, lower joist assembly, four connecting rod guiding mechanisms, spring damper system and air-path control system, described lower joist assembly comprises front joist and the rear joist that is arranged in tire inboard, back axle below, described spring damper system comprises four shock absorbers and four the air bag assemblies that are fixed on front joist and the rear joist, described air-path control system comprises front levelling valve and two the rear levelling valves that are installed in the inboard back axle of trailing wheel top that are installed in frame outside, front levelling valve is connected with the air bag assembly respectively with rear levelling valve, it is characterized in that: described front joist and rear joist are the L-type joist, and are symmetrically set in the back axle both sides.
2. a kind of novel rear air suspension apparatus as claimed in claim 1, it is characterized in that: described L-type joist comprises long straight beam and connected oblique short beam, the two ends of long straight beam are fixed in described air bag assembly lower end, the upper end is fixed on vehicle frame, wherein two shock absorber lower ends are individually fixed on the short beam, two other shock absorber lower end is individually fixed on the long straight beam of a relative end with the short beam coupling end, and the upper end of described shock absorber all is fixed on the vehicle frame.
3. a kind of novel rear air suspension apparatus as claimed in claim 2, it is characterized in that: described long straight beam two ends are respectively equipped with a pallet, and described air bag assembly lower end is fixed on the described pallet.
4. a kind of novel rear air suspension apparatus as claimed in claim 1, it is characterized in that: described four connecting rod guiding mechanisms comprise two oblique propelling rod and two longitudinal rods of forming the V font, one end of described oblique propelling rod, longitudinal rod is connecting vehicle frame respectively, and the other end connects back axle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220532691 CN202806285U (en) | 2012-10-18 | 2012-10-18 | Novel rear air suspension device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220532691 CN202806285U (en) | 2012-10-18 | 2012-10-18 | Novel rear air suspension device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202806285U true CN202806285U (en) | 2013-03-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220532691 Expired - Fee Related CN202806285U (en) | 2012-10-18 | 2012-10-18 | Novel rear air suspension device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202806285U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104118293A (en) * | 2014-06-25 | 2014-10-29 | 郑州宇通客车股份有限公司 | Corbel assembly, vehicle suspension system and vehicle with vehicle suspension system |
| CN104149571A (en) * | 2014-08-25 | 2014-11-19 | 中国重汽集团济南动力有限公司 | Four-bar and double-air bag air suspension device |
| CN105270127A (en) * | 2014-07-21 | 2016-01-27 | 盐城玉欣电动科技有限公司 | Automobile transverse bistable mechanism and method |
| CN107097602A (en) * | 2017-06-20 | 2017-08-29 | 嘉世利运搬装置制造（扬州）有限公司 | A kind of tail support assembly of semitrailer |
| CN109278866A (en) * | 2018-11-22 | 2019-01-29 | 安徽福马汽车零部件集团有限公司 | A kind of air suspension support beam assembly and assembly method |
| CN109515092A (en) * | 2018-11-13 | 2019-03-26 | 浙江中车电车有限公司 | Chassis and pure electric vehicle city bus |
-
2012
- 2012-10-18 CN CN 201220532691 patent/CN202806285U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104118293A (en) * | 2014-06-25 | 2014-10-29 | 郑州宇通客车股份有限公司 | Corbel assembly, vehicle suspension system and vehicle with vehicle suspension system |
| CN104118293B (en) * | 2014-06-25 | 2017-02-15 | 郑州宇通客车股份有限公司 | Corbel assembly, vehicle suspension system and vehicle with vehicle suspension system |
| CN105270127A (en) * | 2014-07-21 | 2016-01-27 | 盐城玉欣电动科技有限公司 | Automobile transverse bistable mechanism and method |
| CN104149571A (en) * | 2014-08-25 | 2014-11-19 | 中国重汽集团济南动力有限公司 | Four-bar and double-air bag air suspension device |
| CN107097602A (en) * | 2017-06-20 | 2017-08-29 | 嘉世利运搬装置制造（扬州）有限公司 | A kind of tail support assembly of semitrailer |
| CN109515092A (en) * | 2018-11-13 | 2019-03-26 | 浙江中车电车有限公司 | Chassis and pure electric vehicle city bus |
| CN109278866A (en) * | 2018-11-22 | 2019-01-29 | 安徽福马汽车零部件集团有限公司 | A kind of air suspension support beam assembly and assembly method |
| CN109278866B (en) * | 2018-11-22 | 2023-10-24 | 安徽福马汽车零部件集团有限公司 | Air suspension support beam assembly and assembly method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130320 Termination date: 20171018 |