CN204095425U - Control arm rubber bush - Google Patents
Control arm rubber bush Download PDFInfo
- Publication number
- CN204095425U CN204095425U CN201420461135.3U CN201420461135U CN204095425U CN 204095425 U CN204095425 U CN 204095425U CN 201420461135 U CN201420461135 U CN 201420461135U CN 204095425 U CN204095425 U CN 204095425U
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- Prior art keywords
- control arm
- fuse
- rubber bush
- rubber
- bush
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- 241001247986 Calotropis procera Species 0.000 title claims abstract description 51
- 239000007787 solid Substances 0.000 claims abstract description 14
- 238000005987 sulfurization reaction Methods 0.000 claims abstract description 9
- 238000013016 damping Methods 0.000 claims description 34
- 239000000463 material Substances 0.000 claims description 15
- 238000005452 bending Methods 0.000 claims description 4
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical group [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052782 aluminium Inorganic materials 0.000 claims description 3
- 239000004411 aluminium Substances 0.000 claims description 3
- 238000002788 crimping Methods 0.000 claims description 3
- 239000011148 porous material Substances 0.000 claims description 3
- 238000004073 vulcanization Methods 0.000 claims description 2
- 238000013461 design Methods 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 10
- 239000000725 suspension Substances 0.000 description 10
- 238000000034 method Methods 0.000 description 6
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- 230000007547 defect Effects 0.000 description 3
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- 239000012141 concentrate Substances 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000005299 abrasion Methods 0.000 description 1
- 239000006096 absorbing agent Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- AZDRQVAHHNSJOQ-UHFFFAOYSA-N alumane Chemical group [AlH3] AZDRQVAHHNSJOQ-UHFFFAOYSA-N 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000003116 impacting effect Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000002028 premature Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000004513 sizing Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
Landscapes
- Springs (AREA)
- Vehicle Body Suspensions (AREA)
Abstract
The utility model provides a kind of Control arm rubber bush, it comprises a hollow fuse, a purchasing ore concentric with this fuse, it is in aggregates that this fuse and purchasing ore pass through rubber bodies sulfuration shape, this rubber bodies comprises one along a solid part and hollow part in X direction of Y-direction, this solid part is also formed with the spacing convex shoulder that a circle distributes centered by fuse, wherein, this X-direction is laterally, and this Y-direction is longitudinally.In the utility model, adopt the Control arm rubber bush of fuse and purchasing ore can balance bush radial rigidity, and optimal design rubber structure, under the requirement meeting road-holding property and traveling comfort, reduce lining stress deformation, reduce the fatigue failure risk of lining.
Description
Technical field
The utility model relates to a kind of Control arm rubber bush.
Background technology
Suspension system is the most important components on present automobile, all has a great impact ride of vehicle and road-holding property.Automobile control arm is as the guiding of automobile suspension system and force transfer element.Its sleeve pipe place, front and back press-fits front and rear bushings and is connected with automobile accessory frame, and the various power acting on wheel are passed to vehicle body, ensures that wheel is according to certain orbiting motion simultaneously.In the middle of this process, Control arm rubber bush plays key role, it not only alleviates the effect impacting but also have concurrently spring and suspension swing arm bearing, also play the effect of universal coupling in certain, some parts can be avoided in the middle of use to bear moment of flexure and premature wear phenomenon.
Generally, the main endurance failure of Control arm rubber bush produces be full of cracks at drawing stress concentrated part, and bonding site is peeling, and produces abrasion at the folded bent portions of compressed side.At present, in the middle of Control arm rubber bush research process, mainly carry out from both direction: towards characteristic and structure-oriented.And a lot of theoretical property achievement and research are all towards characteristic.Such as, the sixties in 20th century, Penn found that the dynamic modulus of rubber bush constantly reduces along with the increase of strain value, and in low frequency situation, the reduction of modulus almost has nothing to do with frequency; The seventies, step the relation between Baudrillard overview dynamic modulus and amplitude; The eighties, Stevenson and some scholars find to represent with viscoelastic model for the rubber element formed due to non-filling rubber, and when being filled rubber, due to amplitude on the impact of dynamic modulus than frequency and amplitude more important, just well can not react the characteristic of rubber element; Ke Laozi proposes the one-dimensional model that can react amplitude impact afterwards, his model also by other scholar such as ULM that, Wei Youaige etc. prove.On those bases, scholar and expert propose different rubber bush models one after another to react the characteristic of rubber bush.Enter 21 century along with to rubber bush model accuracy demand, also have the model proposed based on test.This model viscosity damping and friction spring and frictional damping composition.This method power and displacement curve is resolved into the hesteresis curve of the elastic behavior representing lining and represents the damping curve of damping force characteristics, identify the character of dissipative force with part damping curve, then determined the kind of single unit type, arrangement and parsing by the curve of restoring force and part damping curve.But experiment shows, this model can only be described rubber bush axis and radial direction, is lost efficacy, and does not consider each to coupling of rubber bush to torsion and rotation characteristic.
Utility model content
The technical problems to be solved in the utility model is that the rubber bodies of lining in order to overcome prior art is subject to reversing, stretches, compression time easily there is the defect that chaps, a kind of service life that more can extend automobile control arm rubber bush is provided, can balance bush radial rigidity, and meeting under road-holding property and traveling comfort requirement, reduce lining stress deformation, reduce the Control arm rubber bush of the fatigue failure risk of lining.
The utility model solves above-mentioned technical matters by following technical proposals: a kind of Control arm rubber bush, its feature is, it comprises a hollow fuse, a purchasing ore concentric with this fuse, it is in aggregates that this fuse and purchasing ore pass through rubber bodies sulfuration shape, this rubber bodies comprises one along a solid part and hollow part in X direction of Y-direction, and this solid part is also formed with the spacing convex shoulder that a circle distributes centered by fuse, wherein, this X-direction is laterally, and this Y-direction is longitudinally.
In the technical program, Control arm rubber bush is shearing-type rubber bush, is arranged on Control arm fixed cover, can alleviate wheel rotating, braking, impact to Control arm when turning, what absorb the vibration raising car load in the directions such as torsions can be handling.
Preferably, the cross section shape of this spacing convex shoulder is be symmetrically distributed in fuse both sides trapezoidal.
Preferably, the two ends of this purchasing ore are formed with the crimping of outwards bending.The upper and lower two ends of purchasing ore can adopt pressure-riveting process to make it according to certain size bending, control its height.Can prevent from when sulfuration like this running the defect such as glue, overlap, make it have good compactness.
Preferably, in this rubber bodies, centered by fuse, offer damping hole symmetrically in X direction, and the hole width of the damping hole of side from be greater than opposite side damping hole hole width from.
That is, in this programme, the hole width of the damping hole of edge+X-direction from be greater than edge-X-direction damping hole hole width from.
Preferably, at the two ends of described damping hole, respectively offer a transitional pore through with damping hole along the Y direction, be provided for the dumbbell shaped that damping hole is wide in middle thin two ends.Like this, rubber bodies can have been made to form solid and hollow two parts, the rigidity of can be coupled like this X and Y-direction, namely solid (Y) directional stiffness is greater than the rigidity in hollow (X) direction.This is because solid directional stiffness is pressure-bearing direction mostly, Automobile operation stability can be improved, and the little vibration that can absorb the low frequency large amplitude that suspension transmits of hollow directional stiffness, there is good effect, stationarity and the traveling comfort of car load can be improved.
Preferably, the width of the spacing convex shoulder of the side of this rubber bodies is narrower than the width of the spacing convex shoulder of opposite side.
That is, in this programme, the width of the spacing convex shoulder of the edge+X-direction of this rubber bodies is narrower than the width of the spacing convex shoulder of edge-X-direction.Also convex shoulder will be designed in the middle of damping, namely differ in the length of two convex shoulders of X-direction, the limit convex of+X-direction matches-and the spacing convex shoulder of X-direction is shorter, so larger than the distance of-X-direction in the spacing distance of+X-direction, the rigidity of rubber bush under large deformation with small deformation different (can be non-linear) can be made like this, to meet the effect of vibration insulation and noise reduction.
Preferably, described damping hole and the body of the rubber bodies of surrounding are that rounding off is connected.Avoid stress to concentrate like this when tension and compression.
Preferably, the partial vulcanization of the disengaging rubber bodies of this fuse has one deck rubber layer, and the thickness range of this rubber layer is 1mm ~ 2mm.
Preferably, the material of this fuse is tube material.
Preferably, the material of this purchasing ore is aluminium tube material.This kind of material is adopted to can be passed through processing process and rubber bodies sulfidization molding.
On the basis meeting this area general knowledge, above-mentioned each optimum condition, can combination in any, obtains each preferred embodiment of the utility model.
Positive progressive effect of the present utility model is:
1, the Control arm rubber bush of employing fuse of the present utility model and purchasing ore can balance bush radial rigidity, and optimal design rubber structure, meeting under road-holding property and traveling comfort requirement, reducing lining stress deformation, reducing the fatigue failure risk of lining.
2, in addition, the built-in damping hole of the utility model can also relieve stresses be concentrated with the transition of rubber bodies round and smooth linking, lining is made to have rational rigidity, serve obvious pressure-bearing, damping noise reduction effect, car comfort and the handling technical matters being difficult to balance can be solved, also keep the endurance quality that lining is good simultaneously, ensure operability and the stability of car load.
3, in addition, the utility model can also allocate suitable Static stiffness and torsional stiffness along X, Y, Z tri-directions, therefore, has the performance of good vibration isolation, vehicle is travelled safer, makes driver and crew obtain more comfortable experience of driving.
Accompanying drawing explanation
Fig. 1 is the plan structure schematic diagram of the rubber bush of the utility model one embodiment.
Fig. 2 is the cross-sectional view of rubber bush of the present utility model along A-A.
Fig. 3 is the cross-sectional view of rubber bush of the present utility model along B-B.
Fig. 4 is the three-dimensional structure diagram of rubber bush of the present utility model.
Description of reference numerals:
10 fuse 20 purchasing ore 30 rubber bodies
Detailed description of the invention
Lift preferred embodiment below, and come by reference to the accompanying drawings clearlyer intactly the utility model to be described.
Embodiment
As shown in figures 1-4, the utility model provides a kind of Control arm rubber bush, it comprises a hollow fuse 10, purchasing ore 20 concentric with this fuse 10, this fuse 10 and purchasing ore 20 in aggregates by some rubber bodies 30 sulfuration shapes, this rubber bodies 30 comprises one along a solid part and hollow part in X direction of Y-direction, this solid part is also formed with the spacing convex shoulder that a circle distributes centered by fuse, and as shown in Figure 2, the cross section shape of this spacing convex shoulder is for being symmetrically distributed in fuse both sides.
Wherein, this X-direction is laterally, and this Y-direction is longitudinally.
The material of fuse of the present utility model is tube material, and the material of this purchasing ore is aluminium tube material.Adopt this kind of material fuse, purchasing ore more easily and rubber bodies sulfuration shape in aggregates.
As depicted in figs. 1 and 2, in this rubber bodies, centered by fuse, have damping hole symmetrically in X direction, and the hole width of the damping hole of edge+X-direction from be greater than edge-X-direction damping hole hole width from.At the two ends of described damping hole, respectively offer a transitional pore through with damping hole along the Y direction, and make damping hole be the wide dumbbell shapeds in middle thin two ends.Like this, rubber bodies can have been made to form solid and hollow two parts, the rigidity of can be coupled like this X-direction and Y-direction, namely solid square is greater than the rigidity of hollow direction (X-direction) to (Y-direction) rigidity.This is because solid directional stiffness is pressure-bearing direction mostly, Automobile operation stability can be improved, and the little vibration that can absorb the low frequency large amplitude that suspension transmits of hollow directional stiffness, there is good effect, stationarity and the traveling comfort of car load can be improved.
Further, the width of the spacing convex shoulder of the edge+X-direction of this rubber bodies is narrower than the width of the spacing convex shoulder of edge-X-direction.Namely differ in the length of the spacing convex shoulder in the both sides of X-direction, the limit convex of+X-direction matches-and the spacing convex shoulder of X-direction is shorter, so larger than the distance of-X-direction in the spacing distance of+X-direction, the rigidity of rubber bush under large deformation with small deformation different (can be non-linear) can be made like this, to meet the effect of vibration insulation and noise reduction.
In addition, the upper and lower two ends of purchasing ore can adopt pressure-riveting process to make it form crimping according to the outside bending of certain size, control its height.Can prevent from when sulfuration like this running the defect such as glue, overlap, make it have good compactness.
In order to avoid stress to concentrate when tension and compression, damping hole adopts rounding off to be connected with the body of the rubber bodies of surrounding.
And the part of the disengaging rubber bodies of this fuse also sulfuration have the rubber layer of thin layer, such as, the thickness range of this rubber layer is between 1mm ~ 2mm.
Preferably, the rubber bush vulcanizated will carry out radially precompressed, and the stroke of precompressed is equivalent to 10% ~ 30% of rubber bush diameter.Rubber bush can be eliminated like this when sulfuration due to the unrelieved stress produced of expanding with heat and contract with cold, the durability of raising lining.
Be contained in MacPherson strut structure for the utility model below, describe installation and use effect of the present utility model: MacPherson strut structure mainly comprises bumper, upper suspension arm and Lower control arm, wheel steering joint, steering trapezoidal arm, located lateral bar.This MacPherson strut structure this as prior art, therefore, the non-improvement place of the present utility model of concrete structure part of this MacPherson strut, therefore this part therefore not to repeat here.
During installation, MacPherson strut structural damping device upper end bolt is connected with vehicle body with rubber cradle by this, then bumper lower end is fixed on lower support arm.And steering swivel is connected with upper suspension arm by spherical hinge, lower end and brake system chain connection.The stub chain connection of Lower control arm one end and wheel hub, another 2 are connected with vehicle body.At this moment, the side force suffered by wheel is born by upper Lower control arm by steering swivel and major part, and remainder is born by bumper.Coil spring is enclosed within outside telescopic shock absorber, and main pin axis is by upper and lower hinge centres, and when wheel bob, because the lower fulcrum of bumper swings along with the swing of Control arm, therefore the angle of the axis of stub is also change.This illustrates that wheel moves along the main pin axis swung.Therefore this when being suspended in distortion, make orientation angle and wheelspan all some changes of stub.If the suitably structural arrangement of adjustment Control arm, the change of the positional parameter of wheel can be made to be reduced to very little.
In order to further illustrate the obvious improvement of Control arm rubber bush of the present utility model to suspension system performance, existing for the lower control arm being applied to MacPherson strut structure, carry out detailed effect analysis.
As shown in Figure 4, the arm body of Lower control arm is wrought aluminium part, the fuse of Control arm rubber bush and arm body are flush fit when assembling, therefore between Control arm rubber bush and arm body without relative motion, one ball pivot assembly of Lower control arm is connected with vehicle body with Control arm rubber bush, and another ball pivot assembly is connected with the stub of wheel hub.
When automobile turning, the rigidity 850N/mm of (following table 1 is the Static stiffness of rubber bush of the present utility model in all directions) Y-direction can improve the anti-roll capability of automobile as shown in Table 1 below, also can ensure that angle of toein and the rear beam angle of suspension change at reasonable interval, the motion characteristics of such guarantee suspension is good, at the rigidity 218N/mm of X-direction, damping hole (groove) due to centre ensures the elasticity in slope incremental variations, the impact of buffering longitudinal direction, absorbing, and when braking, there is good deceleration and stopping performance.The rigidity 105N/mm of Z-direction at wheel bounce time bear torque load.
Table 1 is the Static stiffness value (unit: N/mm, N/m (°) sizing material shore hardness: 55 degree) of rubber bush six direction of the present utility model
When rubber bush is respectively along when δ direction, γ direction, θ direction are reversed and swung in Fig. 2 ~ 3, need suitable rigidity requirement.This is because during wheel bounce, Control arm has swing relative to subframe and reverses, and is also subject to shear action simultaneously.
Now, the torsional stiffness 2.6N/m (°) in Control arm rubber bush γ direction has the effect of torsion spring, can alleviate the vibration being impacted and absorb torsional direction of triangle swing arm.So Control arm rubber bush of the present utility model is suitable along the rigidity of six direction, structure is simple, fatigue resistance is good.
Control arm rubber bush of the present utility model, can be shearing-type rubber bush.The utility model is arranged on Control arm fixed cover, can alleviate wheel rotating, braking, impact to Control arm when turning, absorb the vibration in the directions such as torsions, raising car load can be handling.
Although the foregoing describe detailed description of the invention of the present utility model, it will be understood by those of skill in the art that these are only casehistorys, protection domain of the present utility model is defined by the appended claims.Those skilled in the art, under the prerequisite not deviating from principle of the present utility model and essence, can make various changes or modifications to these embodiments, but these change and amendment all falls into protection domain of the present utility model.
Claims (10)
1. a Control arm rubber bush, it is characterized in that, it comprises a hollow fuse, a purchasing ore concentric with this fuse, it is in aggregates that this fuse and purchasing ore pass through rubber bodies sulfuration shape, this rubber bodies comprises one along a solid part and hollow part in X direction of Y-direction, and this solid part is also formed with the spacing convex shoulder that a circle distributes centered by fuse, wherein, this X-direction is laterally, and this Y-direction is longitudinally.
2. Control arm rubber bush as claimed in claim 1, is characterized in that, the cross section shape of this spacing convex shoulder is be symmetrically distributed in fuse both sides trapezoidal.
3. Control arm rubber bush as claimed in claim 1, is characterized in that, the two ends of this purchasing ore are formed with the crimping of outwards bending.
4. Control arm rubber bush as claimed in claim 1, is characterized in that, offer damping hole symmetrically in X direction in this rubber bodies centered by fuse, and the hole width of the damping hole of side from be greater than opposite side damping hole hole width from.
5. Control arm rubber bush as claimed in claim 4, is characterized in that, at the two ends of described damping hole, respectively offers a transitional pore through with damping hole along the Y direction, is provided for the dumbbell shaped that damping hole is wide in middle thin two ends.
6. Control arm rubber bush as claimed in claim 1, it is characterized in that, the width of the spacing convex shoulder of the side of this rubber bodies is narrower than the width of the spacing convex shoulder of opposite side.
7. Control arm rubber bush as claimed in claim 4, it is characterized in that, described damping hole and the body of the rubber bodies of surrounding are that rounding off is connected.
8. Control arm rubber bush as claimed in claim 1, it is characterized in that, the partial vulcanization of the disengaging rubber bodies of this fuse has one deck rubber layer, and the thickness range of this rubber layer is 1mm ~ 2mm.
9. Control arm rubber bush as claimed in claim 1, it is characterized in that, the material of this fuse is tube material.
10. Control arm rubber bush as claimed in claim 1, it is characterized in that, the material of this purchasing ore is aluminium tube material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420461135.3U CN204095425U (en) | 2014-08-14 | 2014-08-14 | Control arm rubber bush |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420461135.3U CN204095425U (en) | 2014-08-14 | 2014-08-14 | Control arm rubber bush |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204095425U true CN204095425U (en) | 2015-01-14 |
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ID=52263886
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420461135.3U Expired - Fee Related CN204095425U (en) | 2014-08-14 | 2014-08-14 | Control arm rubber bush |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204095425U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108414173A (en) * | 2018-06-07 | 2018-08-17 | 江阴圣世杰机械制造有限公司 | A kind of rubber bushing torsion rigidity measurer and measurement method |
| CN109764082A (en) * | 2019-01-09 | 2019-05-17 | 宁波拓普集团股份有限公司 | A kind of dynamic vibration absorber |
| CN111623069A (en) * | 2020-03-12 | 2020-09-04 | 江苏佳力得新材料科技有限公司 | A Novel Variable Damping Coefficient Viscous Fluid Damper |
-
2014
- 2014-08-14 CN CN201420461135.3U patent/CN204095425U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108414173A (en) * | 2018-06-07 | 2018-08-17 | 江阴圣世杰机械制造有限公司 | A kind of rubber bushing torsion rigidity measurer and measurement method |
| CN108414173B (en) * | 2018-06-07 | 2023-09-15 | 江阴圣世杰机械制造有限公司 | Device and method for measuring torsional rigidity of rubber bushing |
| CN109764082A (en) * | 2019-01-09 | 2019-05-17 | 宁波拓普集团股份有限公司 | A kind of dynamic vibration absorber |
| CN111623069A (en) * | 2020-03-12 | 2020-09-04 | 江苏佳力得新材料科技有限公司 | A Novel Variable Damping Coefficient Viscous Fluid Damper |
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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: 20150114 Termination date: 20190814 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |