CN103568753A - Buffering device and automobile comprising buffering device - Google Patents
Buffering device and automobile comprising buffering device Download PDFInfo
- Publication number
- CN103568753A CN103568753A CN201310575125.2A CN201310575125A CN103568753A CN 103568753 A CN103568753 A CN 103568753A CN 201310575125 A CN201310575125 A CN 201310575125A CN 103568753 A CN103568753 A CN 103568753A
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- shock absorber
- spring
- buffering
- bump rubber
- limiting stopper
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Abstract
The invention relates to a buffering device and an automobile comprising the buffering device. The buffering device comprises a torsion beam assembly, a buffering assembly, a spring and a damper assembly. The spring and the damper assembly are fixed to the torsion beam assembly respectively. The buffering assembly comprises a buffering block and a limiting block, wherein the limiting block is fixed to the spring and located inside the spring, and the buffering block is arranged inside the damper assembly. Further provided is the automobile comprising the buffering device. The buffering device has the advantages that the load borne by the buffering assembly is borne by the buffering block and the limiting block together, stiffness requirements for the buffering block and the limiting block are effectively lowered, cracks caused by fatigue of the buffering block and the limiting block are avoided, the length of the damper assembly and the length of the spring can be reduced, buffering performance is stable, a buffering function and a limiting function can be achieved at the same time, and both the requirement for comfort and the requirement for limiting are well met.
Description
Technical field
The present invention relates to shock absorber, relate in particular to a kind of shock absorber and there is the automobile of this shock absorber.
Background technology
Torsion beam semi-independent suspension is current conventional rear overhang hanging hang structure, have simple in structure, cost is low, the advantage such as take up room little, the torsion beam that crossbeam by a whole V-type or U-shaped section forms is the trailing arm weld together of the left and right sides, and the front end of trailing arm is supported with vehicle body and is connected by rubber-metal, and the rear end of trailing arm is connected with wheel hub, shock absorber and spring, Buffer Unit is positioned at shock absorber or spring, plays buffering and position-limiting action.
Existing torsion beam type suspension structure as shown in Figure 1, comprises torsion beam 101, Buffer Unit 102, coil spring 103, support 104 and vibration damper complement 105, and wherein Buffer Unit 102 is single part, mainly plays buffering and spacing.The needs that Buffer Unit 102 is arranged due to space, or be arranged in separately in vibration damper complement 105, or be arranged in separately in coil spring assembly 103, the Buffer Unit 102 of the torsion beam type suspension shown in accompanying drawing 1 is arranged in coil spring assembly 103.
In making proof procedure, there is following problem in this structure:
1) Buffer Unit 102 is owing to being arranged in vibration damper complement 105 or coil spring 103, and Buffer Unit 102 has diameter smaller conventionally, and length is longer, easily causes bump rubber unstability;
2) Buffer Unit 102 need to play buffering and position-limiting action simultaneously, and bearing load is very large, easily causes Buffer Unit 102 and buffering block fatigue cracking thereof;
3) Buffer Unit 102 is due to the restriction of space size, play again buffering and position-limiting action simultaneously, if Buffer Unit 102 has met spacing demand, can cause bump rubber rigidity can not reach best traveling comfort requirement, or, if Buffer Unit 102 has met traveling comfort requirement, be conventionally difficult to meet spacing demand, easily produce Buffer Unit 102 fatigue crackings.
Summary of the invention
In order to solve the problems of the prior art, the invention provides a kind of shock absorber and there is the automobile of this shock absorber.
The invention provides a kind of shock absorber, comprise torsion beam assembly, Buffer Unit, spring and vibration damper complement, described spring, vibration damper complement are separately fixed on described torsion beam assembly, wherein, described Buffer Unit comprises limiting stopper and bump rubber, described limiting stopper is fixed on described spring and is positioned at described spring, and described bump rubber is arranged in described vibration damper complement.
As a further improvement on the present invention, described torsion beam assembly is provided with the first ram of the described limiting stopper stroke of restriction, and described the first ram is positioned at described spring, is provided with the second ram of the described bump rubber stroke of restriction in described vibration damper complement.
As a further improvement on the present invention, the stroke spacing of described limiting stopper and described the first ram is A, and the stroke spacing of described bump rubber and described the second ram is B, wherein, and B<A.
As a further improvement on the present invention, A-B >=10mm.
As a further improvement on the present invention, described vibration damper complement comprises upper bracket and undersetting, described upper bracket is provided with cylinder barrel, described undersetting is set in described cylinder barrel, in the cylinder barrel of described upper bracket, be provided with piston rod, described piston rod is through in described undersetting, and described bump rubber is fixed on described piston rod and is positioned at described cylinder barrel, and described the second ram is fixed on described undersetting and is positioned at described cylinder barrel.
As a further improvement on the present invention, described bump rubber is provided with mounting hole, and described piston rod is located in described mounting hole, and the mounting hole of described piston rod and described bump rubber is interference fit.
As a further improvement on the present invention, described limiting stopper is rubber block.
As a further improvement on the present invention, described bump rubber is rubber block or polyurethane block.
As a further improvement on the present invention, described Buffer Unit also comprises support, and described limiting stopper is fixed on described support, and described support is fixed on described spring.
The present invention also provides a kind of automobile with shock absorber, comprises vehicle frame and the shock absorber as described in above-mentioned middle any one, and wherein, described vehicle frame is connected with described spring, vibration damper complement respectively.
The invention has the beneficial effects as follows: pass through such scheme, Buffer Unit is divided into limiting stopper and bump rubber, respectively limiting stopper is fixed on spring, bump rubber is arranged in vibration damper complement, the load that Buffer Unit is born is born together with bump rubber by limiting stopper, effectively reduced the rigidity requirement of limiting stopper and bump rubber, the structure design that is conducive to limiting stopper and bump rubber, the cracking of having avoided limiting stopper and bump rubber to produce due to fatigue, can reduce the length of vibration damper complement and spring, cushion characteristic is comparatively stable, can play buffering and position-limiting action simultaneously, traveling comfort requirement and spacing demand have well been taken into account.
Accompanying drawing explanation
Fig. 1 is existing torsion beam type suspension structural representation;
Fig. 2 is the structural representation of a kind of shock absorber of the present invention;
Fig. 3 is the mounting structure schematic diagram of the limiting stopper of a kind of shock absorber of the present invention;
Fig. 4 is the mounting structure schematic diagram of the bump rubber of a kind of shock absorber of the present invention.
The specific embodiment
Below in conjunction with accompanying drawing explanation and the specific embodiment, the present invention is further described.
Drawing reference numeral in Fig. 2 to Fig. 4 is: torsion beam assembly 1; The first ram 11; Limiting stopper 2; Spring 3; Support 4; Vibration damper complement 5; Piston rod 51; The second ram 52; Bump rubber 6.
The object of the invention is: a kind of torsion beam rear suspension that is applicable to is provided, can guarantee to meet under the prerequisite of automobile suspension bouncing stroke, can effectively meet the traveling comfort requirement of suspension buffering, when making automobile obtain excellent performance, meet the shock absorber of the requirement of Buffer Unit fatigue life.
As shown in Figures 2 to 4, a kind of shock absorber, comprise torsion beam assembly 1, Buffer Unit, spring 3 and vibration damper complement 5, described spring 3, vibration damper complement 5 are separately fixed on described torsion beam assembly 1, wherein, described Buffer Unit comprises limiting stopper 2 and bump rubber 6, described limiting stopper 2 is fixed on described spring 3 and is positioned at described spring 3, and described bump rubber 6 is arranged in described vibration damper complement 5, wherein, 2 position-limiting actions of limiting stopper, 6 buffer actions of bump rubber.
As shown in Figures 2 to 4, described torsion beam assembly 1 is provided with the first ram 11 of described limiting stopper 2 strokes of restriction, described the first ram 11 is positioned at described spring 3, in described vibration damper complement 5, be provided with the second ram 52 of described bump rubber 6 strokes of restriction, described the first ram 11 is provided with the first shock plane, described the first ram 11 is provided with boss, and described first clashes into the table top that plane is described boss, and described the second ram 52 is provided with the second shock plane.
As shown in Figures 2 to 4, described limiting stopper 2 is A with the stroke spacing of described the first ram 11, be described limiting stopper 2 along the axis spacing of described spring 3, be A with described the first ram 11, described bump rubber 6 is B with the stroke spacing of described the second ram 52, be described bump rubber 6 along the axis spacing of described vibration damper complement 5, be B with described the second ram 52, wherein, B<A, described bump rubber 6 is set, and to be less than described limiting stopper 2 with the stroke spacing of described the second ram 52 be that bump rubber 6 is first contacted with the second ram 52 with the object of the stroke spacing of described the first ram 11, described limiting stopper 2 is contacted with after described the first ram 11, to realize, first by bump rubber 6, cushion, by limiting stopper 2, undertaken spacing again, pass through layout design, make bump rubber 6 first play work, the bump rubber 6 mild transition of stage stiffness curve of starting working, effectively guaranteed the comfort property of torsion beam rear suspension.
As shown in Figures 2 to 4, A-B >=10mm, wherein, preferred, A-B=12mm or A-B=15mm or A-B=18mm, make bump rubber 6 have precedence over limiting stopper 2 and work.
As shown in Figures 2 to 4, described vibration damper complement 5 comprises upper bracket and undersetting, described upper bracket is provided with cylinder barrel, described undersetting is set in described cylinder barrel, in the cylinder barrel of described upper bracket, be provided with piston rod 51, described piston rod 51 is through in described undersetting, and described bump rubber 6 is fixed on described piston rod 51 and is positioned at described cylinder barrel, and described the second ram 52 is fixed on described undersetting and is positioned at described cylinder barrel.
As shown in Figures 2 to 4, described bump rubber 6 is provided with mounting hole, and described piston rod 51 is located in described mounting hole, and described piston rod 51 is interference fit with the mounting hole of described bump rubber 6.
As shown in Figures 2 to 4, described bump rubber 6 is preferably rubber block, and described bump rubber 6 structures are General Construction, the mild transition of stage stiffness curve but the described bump rubber 6 of need assurance is started working.
As shown in Figures 2 to 4, described limiting stopper 2 is preferably rubber block or polyurethane block, and described limiting stopper 2 can be General Construction.
As shown in Figures 2 to 4, described Buffer Unit also comprises support 4, and described support 4 is collar shape, and described limiting stopper 2 is fixed on described support 4, and described support 4 is fixed on described spring 3, and described spring 3 is coil spring.
A kind of shock absorber provided by the invention is applicable to rear overhang suspension mechanism.
As shown in Figures 2 to 4, a kind of automobile with shock absorber, comprise vehicle frame and the shock absorber as described in above-mentioned middle any one, wherein, described vehicle frame is connected with described support 4, vibration damper complement 5 respectively, described limiting stopper 2 is placed in described spring 3, and described limiting stopper 2 is arranged on vehicle frame by support 4, and described support 4 is bolted or welding manner is fixed on described vehicle frame.
A kind of shock absorber provided by the invention and there is the automobile of this shock absorber, bump rubber 6 plays separately buffer action, its job initiation stage stiffness curve can be accomplished to seamlessly transit very much, the comfort property of suspension while having guaranteed like this bump rubber 6 work, when suspension needs are spacing, limiting stopper 2 and bump rubber 6 work simultaneously, the maximum load that suspension is subject to is like this by limiting stopper 2 and bump rubber 6 shareds, the load that limiting stopper 2 and bump rubber 6 are subject to respectively reduces largely, avoided limiting stopper 2 and bump rubber 6 owing to being subject to the fatigue cracking of larger load impact generation.
Above content is in conjunction with concrete preferred implementation further description made for the present invention, can not assert that specific embodiment of the invention is confined to these explanations.For general technical staff of the technical field of the invention, without departing from the inventive concept of the premise, can also make some simple deduction or replace, all should be considered as belonging to protection scope of the present invention.
Claims (10)
1. a shock absorber, it is characterized in that: comprise torsion beam assembly, Buffer Unit, spring and vibration damper complement, described spring, vibration damper complement are separately fixed on described torsion beam assembly, wherein, described Buffer Unit comprises limiting stopper and bump rubber, described limiting stopper is fixed on described spring and is positioned at described spring, and described bump rubber is arranged in described vibration damper complement.
2. shock absorber according to claim 1, it is characterized in that: described torsion beam assembly is provided with the first ram of the described limiting stopper stroke of restriction, described the first ram is positioned at described spring, is provided with the second ram of the described bump rubber stroke of restriction in described vibration damper complement.
3. shock absorber according to claim 2, is characterized in that: the stroke spacing of described limiting stopper and described the first ram is A, and the stroke spacing of described bump rubber and described the second ram is B, wherein, and B<A.
4. shock absorber according to claim 3, is characterized in that: A-B >=10mm.
5. shock absorber according to claim 2, it is characterized in that: described vibration damper complement comprises upper bracket and undersetting, described upper bracket is provided with cylinder barrel, described undersetting is set in described cylinder barrel, in the cylinder barrel of described upper bracket, be provided with piston rod, described piston rod is through in described undersetting, and described bump rubber is fixed on described piston rod and is positioned at described cylinder barrel, and described the second ram is fixed on described undersetting and is positioned at described cylinder barrel.
6. shock absorber according to claim 5, is characterized in that: described bump rubber is provided with mounting hole, and described piston rod is located in described mounting hole, and the mounting hole of described piston rod and described bump rubber is interference fit.
7. shock absorber according to claim 1, is characterized in that: described limiting stopper is rubber block.
8. shock absorber according to claim 1, is characterized in that: described bump rubber is rubber block or polyurethane block.
9. shock absorber according to claim 1, is characterized in that: described Buffer Unit also comprises support, and described limiting stopper is fixed on described support, and described support is fixed on described spring.
10. an automobile with shock absorber, is characterized in that: comprise vehicle frame and shock absorber as claimed in any one of claims 1-9 wherein, wherein, described vehicle frame is connected with described spring, vibration damper complement respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310575125.2A CN103568753A (en) | 2013-11-18 | 2013-11-18 | Buffering device and automobile comprising buffering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310575125.2A CN103568753A (en) | 2013-11-18 | 2013-11-18 | Buffering device and automobile comprising buffering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103568753A true CN103568753A (en) | 2014-02-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310575125.2A Pending CN103568753A (en) | 2013-11-18 | 2013-11-18 | Buffering device and automobile comprising buffering device |
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| CN (1) | CN103568753A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104129245A (en) * | 2014-07-29 | 2014-11-05 | 安徽江淮汽车股份有限公司 | Semi-bearing structure spring tray for torsion beam |
| CN106956558A (en) * | 2017-04-27 | 2017-07-18 | 北京新能源汽车股份有限公司 | Damping spring mounting seat |
| CN108215687A (en) * | 2018-02-11 | 2018-06-29 | 江苏金致新能源车业有限公司 | A kind of vertical arms disturbs rod-type independent suspension structure |
| CN112158040A (en) * | 2020-10-13 | 2021-01-01 | 北京汽车集团越野车有限公司 | Elastic element installation assembly and automobile |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6220707A (en) * | 1985-07-22 | 1987-01-29 | Nissan Motor Co Ltd | Fluid spring type suspension device |
| JPH02136314A (en) * | 1988-11-18 | 1990-05-24 | Tokico Ltd | Air suspension |
| KR20020051760A (en) * | 2000-12-23 | 2002-06-29 | 이계안 | The compound torsion beam axle typed suspension having double cushioned action |
| CN2589239Y (en) * | 2002-12-20 | 2003-12-03 | 上汽集团奇瑞汽车有限公司 | Minicar rear suspension |
| US20040217561A1 (en) * | 2003-02-18 | 2004-11-04 | Nissan Motor Co., Ltd. | Vehicle height adjusting apparatus |
| CN201538207U (en) * | 2009-09-04 | 2010-08-04 | 上汽通用五菱汽车股份有限公司 | Buffer assembly for automobile rear suspension |
| CN203600931U (en) * | 2013-11-18 | 2014-05-21 | 上汽通用五菱汽车股份有限公司 | Buffering device and automobile with buffering device |
-
2013
- 2013-11-18 CN CN201310575125.2A patent/CN103568753A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6220707A (en) * | 1985-07-22 | 1987-01-29 | Nissan Motor Co Ltd | Fluid spring type suspension device |
| JPH02136314A (en) * | 1988-11-18 | 1990-05-24 | Tokico Ltd | Air suspension |
| KR20020051760A (en) * | 2000-12-23 | 2002-06-29 | 이계안 | The compound torsion beam axle typed suspension having double cushioned action |
| CN2589239Y (en) * | 2002-12-20 | 2003-12-03 | 上汽集团奇瑞汽车有限公司 | Minicar rear suspension |
| US20040217561A1 (en) * | 2003-02-18 | 2004-11-04 | Nissan Motor Co., Ltd. | Vehicle height adjusting apparatus |
| CN201538207U (en) * | 2009-09-04 | 2010-08-04 | 上汽通用五菱汽车股份有限公司 | Buffer assembly for automobile rear suspension |
| CN203600931U (en) * | 2013-11-18 | 2014-05-21 | 上汽通用五菱汽车股份有限公司 | Buffering device and automobile with buffering device |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104129245A (en) * | 2014-07-29 | 2014-11-05 | 安徽江淮汽车股份有限公司 | Semi-bearing structure spring tray for torsion beam |
| CN106956558A (en) * | 2017-04-27 | 2017-07-18 | 北京新能源汽车股份有限公司 | Damping spring mounting seat |
| CN106956558B (en) * | 2017-04-27 | 2020-05-22 | 北京新能源汽车股份有限公司 | Damping spring mounting base |
| CN108215687A (en) * | 2018-02-11 | 2018-06-29 | 江苏金致新能源车业有限公司 | A kind of vertical arms disturbs rod-type independent suspension structure |
| CN112158040A (en) * | 2020-10-13 | 2021-01-01 | 北京汽车集团越野车有限公司 | Elastic element installation assembly and automobile |
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Application publication date: 20140212 |
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