CN203600932U - Buffering mechanism and automobile with buffering mechanism - Google Patents
Buffering mechanism and automobile with buffering mechanism Download PDFInfo
- Publication number
- CN203600932U CN203600932U CN201320726179.XU CN201320726179U CN203600932U CN 203600932 U CN203600932 U CN 203600932U CN 201320726179 U CN201320726179 U CN 201320726179U CN 203600932 U CN203600932 U CN 203600932U
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- Prior art keywords
- buffering
- spring
- limiting stopper
- buffer gear
- bump rubber
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Abstract
The utility model relates to a buffering mechanism and an automobile with the buffering mechanism. The buffering mechanism comprises a torsion beam assembly, a buffering assembly, a spring and a shock absorber assembly, wherein the spring and the shock absorber assembly are respectively fixed to the torsion beam assembly, the buffering assembly comprises a buffering block and a limiting block, the buffering block is fixed to the spring and located in the spring, and the limiting block is arranged in the shock absorber assembly. The utility model further provides the automobile with the buffering mechanism. The buffering mechanism has the advantages that loads borne by the buffering assembly are borne by the buffering block and the limiting block jointly, the rigidity requirement of the buffering block and the rigidity requirement of the limiting block are effectively lowered, it is avoided that the buffering block and the limiting block fracture because of fatigue, the length of the shock absorber assembly and the spring can be reduced, the buffering performance is stable, the buffering and limiting effect can be played at the same time, and both the comfort requirement and the limitation requirement are take into consideration well.
Description
Technical field
The utility model relates to buffer gear, relates in particular to a kind of buffer gear and has the automobile of this buffer gear.
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 consisting of the crossbeam of an overall V-type or U-shaped section 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 utility model provides a kind of buffer gear and has had the automobile of this buffer gear.
The utility model provides a kind of buffer gear, 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 bump rubber and limiting stopper, described bump rubber is fixed on described spring and is positioned at described spring, and described limiting stopper is arranged in described vibration damper complement.
As further improvement of the utility model, described torsion beam assembly is provided with the first ram of the described bump rubber stroke of restriction, and described the first ram is positioned at described spring, is provided with the second ram of the described limiting stopper stroke of restriction in described vibration damper complement.
As further improvement of the utility model, the stroke spacing of described bump rubber and described the first ram is A, and the stroke spacing of described limiting stopper and described the second ram is B, wherein, and B>A.
As further improvement of the utility model, B-A >=10mm.
As further improvement of the utility model, 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 limiting stopper 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 further improvement of the utility model, described limiting stopper 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 limiting stopper is interference fit.
As further improvement of the utility model, described limiting stopper is rubber block.
As further improvement of the utility model, described bump rubber is rubber block or polyurethane block.
As further improvement of the utility model, described Buffer Unit also comprises support, and described bump rubber is fixed on described support, and described support is fixed on described spring.
The utility model also provides a kind of automobile with buffer gear, comprises vehicle frame and the buffer gear as described in above-mentioned middle any one, and wherein, described vehicle frame is connected with described spring, vibration damper complement respectively.
The beneficial effects of the utility model are: pass through such scheme, Buffer Unit is divided into bump rubber and limiting stopper, respectively bump rubber is fixed on spring, limiting stopper is arranged in vibration damper complement, the load that Buffer Unit is born is born together with limiting stopper by bump rubber, effectively reduce the rigidity requirement of bump rubber and limiting stopper, be conducive to the structure design of bump rubber and limiting stopper, the cracking of having avoided bump rubber and limiting stopper 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 are well 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 buffer gear of the utility model;
Fig. 3 is the mounting structure schematic diagram of the bump rubber of a kind of buffer gear of the utility model;
Fig. 4 is the mounting structure schematic diagram of the limiting stopper of a kind of buffer gear of the utility model.
The specific embodiment
Below in conjunction with accompanying drawing explanation and the specific embodiment, the utility model is further illustrated.
Drawing reference numeral in Fig. 2 to Fig. 4 is: torsion beam assembly 1; The first ram 11; Bump rubber 2; Spring 3; Support 4; Vibration damper complement 5; Piston rod 51; The second ram 52; Limiting stopper 6.
The purpose of this utility model is: provide one to be applicable to torsion beam rear suspension, 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 buffer gear of the requirement of Buffer Unit fatigue life.
As shown in Figures 2 to 4, a kind of buffer gear, 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 bump rubber 2 and limiting stopper 6, described bump rubber 2 is fixed on described spring 3 and is positioned at described spring 3, described limiting stopper 6 is arranged in described vibration damper complement 5, wherein, bump rubber 2 plays separately buffer action, and limiting stopper 6 plays separately position-limiting action, and maximum load is by bump rubber 2 and limiting stopper 6 shareds.
As shown in Figures 2 to 4, described torsion beam assembly 1 is provided with the first ram 11 of described bump rubber 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 limiting stopper 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 bump rubber 2 is A with the stroke spacing of described the first ram 11, be that described bump rubber 2 is A with described the first ram 11 along the axis spacing of described spring 3, described limiting stopper 6 is B with the stroke spacing of described the second ram 52, be that described limiting stopper 6 is B with described the second ram 52 along the axis spacing of described vibration damper complement 5, wherein, B>A, described limiting stopper 6 is set, and to be greater than described bump rubber 2 with the stroke spacing of described the second ram 52 be that bump rubber 2 is first contacted with the first ram 11 with the object of the stroke spacing of described the first ram 11, described limiting stopper 6 is contacted with after described the second ram 52, first cushion by bump rubber 2 to realize, undertaken spacing by limiting stopper 6 again, pass through layout design, make bump rubber 2 first play work, the bump rubber 2 mild transition of stage stiffness curve of starting working, effectively guarantee the comfort property of torsion beam rear suspension.
As shown in Figures 2 to 4, B-A >=10mm, wherein, preferred, B-A=12mm or B-A=15mm or B-A=18mm, make bump rubber 2 have precedence over limiting stopper 6 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 limiting stopper 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 limiting stopper 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 limiting stopper 6.
As shown in Figures 2 to 4, described limiting stopper 6 is preferably rubber block, and described limiting stopper 6 structures are General Construction.
As shown in Figures 2 to 4, described bump rubber 2 is preferably rubber block or polyurethane block, and described bump rubber 2 can be General Construction, the mild transition of stage stiffness curve but the described bump rubber 2 of need assurance is started working.
As shown in Figures 2 to 4, described Buffer Unit also comprises support 4, and described support 4 is collar shape, and described bump rubber 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 buffer gear that the utility model provides is applicable to rear overhang suspension mechanism.
As shown in Figures 2 to 4, a kind of automobile with buffer gear, comprise vehicle frame and the buffer gear as described in above-mentioned middle any one, wherein, described vehicle frame is connected with described support 4, vibration damper complement 5 respectively, described bump rubber 2 is placed in described spring 3, and described bump rubber 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 buffer gear that the utility model provides and the automobile with this buffer gear, bump rubber 2 plays separately buffer action, its job initiation stage stiffness curve can be accomplished to seamlessly transit very much, guarantee like this comfort property of suspension when bump rubber 2 is worked, in the time that suspension needs are spacing, bump rubber 2 and limiting stopper 6 work simultaneously, the maximum load that suspension is subject to is like this by bump rubber 2 and limiting stopper 6 shareds, the load that bump rubber 2 and limiting stopper 6 are subject to respectively reduces largely, avoid bump rubber 2 and limiting stopper 6 owing to being subject to the fatigue cracking of larger load impact generation.
Above content is in conjunction with concrete preferred implementation further detailed description of the utility model, can not assert that concrete enforcement of the present utility model is confined to these explanations.For the utility model person of an ordinary skill in the technical field, without departing from the concept of the premise utility, can also make some simple deduction or replace, all should be considered as belonging to protection domain of the present utility model.
Claims (10)
1. a buffer gear, 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 bump rubber and limiting stopper, described bump rubber is fixed on described spring and is positioned at described spring, and described limiting stopper is arranged in described vibration damper complement.
2. buffer gear according to claim 1, it is characterized in that: described torsion beam assembly is provided with the first ram of the described bump rubber stroke of restriction, described the first ram is positioned at described spring, is provided with the second ram of the described limiting stopper stroke of restriction in described vibration damper complement.
3. buffer gear according to claim 2, is characterized in that: the stroke spacing of described bump rubber and described the first ram is A, and the stroke spacing of described limiting stopper and described the second ram is B, wherein, and B>A.
4. buffer gear according to claim 3, is characterized in that: B-A >=10mm.
5. buffer gear 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 limiting stopper 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. buffer gear according to claim 5, is characterized in that: described limiting stopper 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 limiting stopper is interference fit.
7. buffer gear according to claim 1, is characterized in that: described limiting stopper is rubber block.
8. buffer gear according to claim 1, is characterized in that: described bump rubber is rubber block or polyurethane block.
9. buffer gear according to claim 1, is characterized in that: described Buffer Unit also comprises support, and described bump rubber is fixed on described support, and described support is fixed on described spring.
10. an automobile with buffer gear, is characterized in that: comprise vehicle frame and buffer gear 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 |
|---|---|---|---|
| CN201320726179.XU CN203600932U (en) | 2013-11-18 | 2013-11-18 | Buffering mechanism and automobile with buffering mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320726179.XU CN203600932U (en) | 2013-11-18 | 2013-11-18 | Buffering mechanism and automobile with buffering mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203600932U true CN203600932U (en) | 2014-05-21 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320726179.XU Expired - Fee Related CN203600932U (en) | 2013-11-18 | 2013-11-18 | Buffering mechanism and automobile with buffering mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203600932U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103568754A (en) * | 2013-11-18 | 2014-02-12 | 上汽通用五菱汽车股份有限公司 | Buffering mechanism and automobile comprising buffering mechanism |
-
2013
- 2013-11-18 CN CN201320726179.XU patent/CN203600932U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103568754A (en) * | 2013-11-18 | 2014-02-12 | 上汽通用五菱汽车股份有限公司 | Buffering mechanism and automobile comprising buffering mechanism |
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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 |
Granted publication date: 20140521 Termination date: 20201118 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |