CN204915166U - Swing arm structure and independent suspension system that has this structure under suspension - Google Patents
Swing arm structure and independent suspension system that has this structure under suspension Download PDFInfo
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- CN204915166U CN204915166U CN201520588249.9U CN201520588249U CN204915166U CN 204915166 U CN204915166 U CN 204915166U CN 201520588249 U CN201520588249 U CN 201520588249U CN 204915166 U CN204915166 U CN 204915166U
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Abstract
The utility model relates to an automobile technical field of commercial motorcycle type especially relates to a swing arm structure and independent suspension system that has this structure under suspension. The utility model discloses a rotatable connection of the lower swing arm of swing arm structure is on the sub vehicle frame under the suspension, and can drive a luffing motion by a round limit assembly, coil spring's the lower extreme and the lower extreme of bumper shock absorber are connected with lower swing arm respectively, and become apart from the setting between the axis of coil spring's axis and bumper shock absorber, independent suspension system has as above the suspension under the swing arm structure. This swing arm structure and independent suspension system that has this structure under suspension passes through configuration optimization, has improved the installation effectiveness of coil spring and bumper shock absorber and the convenience of dismouting, and structurally can realize changing as required the angle of arranging of bumper shock absorber to reduce the atress of bumper shock absorber, improve the life -span of bumper shock absorber, through installing the bumper shock absorber in the position that is close to the wheel limit, can effectively reduce the load on round limit, improved the life of the stopper in time swing arm.
Description
Technical field
The utility model relates to the automobile technical field of commercial vehicle, particularly relates to a kind of suspension lower suspension arm structure and has the independent suspension system of this structure.
Background technology
Suspension is the general name of all force transmission connections between the vehicle frame (or self-supporting body) of automobile and vehicle bridge (or wheel), its effect transmits the power that acts between wheel and vehicle frame and power is turned round, and buffering is passed to the impulsive force of vehicle frame or vehicle body by uneven road surface, and reduce the vibrations caused thus, to ensure that automobile can smoothly travel.
Suspension can be divided into dependent suspension and independent suspension.The wheel that wherein independent suspension refers to every side is all suspended on below vehicle frame or vehicle body individually through resilient suspension.By the difference of its version, independent suspension can be divided into again wish-bone arm type, trailing arm type, multi link formula, candle formula and McPherson strut etc.Wherein wish-bone arm type suspension refers to the independent suspension that wheel swings in automobile Transverse plane, is divided into again double wish-bone arm type and single transverse arm type suspension by the number of transverse arm quantity.Single swing arm type independent suspension is applied on rear suspension more, but owing to can not adapt to the requirement of running at high speed, application is few at present; And wishbone suspension is by the length of lower cross arm in suitable selection, optimization, reasonable Arrangement cross arm structure, just can make wheelspan and Front wheel Alignment Parameters change all in acceptable limited range, ensure that automobile has good riding stability, particularly Length discrepancy wishbone suspension has been widely used on the fore suspension and rear suspension of car, and the trailing wheel of componental movement type car and racing car also adopts this suspension frame structure.
As shown in Figure 1, external light commercial vehicle type independent front suspension many employings wishbone-type independent suspension structure at present, in existing wishbone suspension assembly, bumper and coil spring are coaxially installed as a total member, installing bearing pin 3 ' by coil spring band vibration damper assembly is arranged on lower swing arm 1 ', lower swing arm 1 ' is connected with subframe (not shown) is rotating by lining 4 ', limiting stopper 2 ' is arranged on the nearer position of the upper distance lining 4 ' of lower swing arm 1 ', for cushioning and position-limiting action for providing when lower swing arm 1 ' upwards swings.
But in above-mentioned existing wishbone suspension assembly, coil spring and bumper fit together, install bearing pin 3 ' by coil spring band vibration damper assembly and be fixed by bolts on lower swing arm 1 ', installation steps are more; And the two is assembled together, as one of them damages, need both to remove just can keep in repair.Bumper and coil spring are coaxially installed, and in lower swing arm 1 ' motion process, bumper is easy to be stressed excessive, cause damaging.The installation site of limiting stopper 2 ' is near the swinging center of lower swing arm 1 ', and when taking turns the stressed size in limit and being identical, limiting stopper 2 ' need bear larger load, more easily causes limiting stopper 2 ' premature breakdown.
Utility model content
(1) technical matters that will solve
The technical problems to be solved in the utility model there is provided a kind of suspension lower suspension arm structure and has the independent suspension system of this structure, improves installation effectiveness and the easy accessibility of coil spring and bumper, effectively reduces the stressed of bumper, increase the service life.
(2) technical scheme
In order to solve the problems of the technologies described above, the utility model provides a kind of suspension lower suspension arm structure, comprises lower swing arm, coil spring and bumper, and described lower swing arm is rotating to be connected on subframe, and can be swung up and down by the assembly drive of wheel limit; Described helical spring lower end is connected with described lower swing arm respectively with the lower end of bumper, and becomes distance to arrange between described helical spring axis and the axis of described bumper.
Wherein, described lower swing arm is provided with the boss for installing described bumper near described position of taking turns limit assembly, described boss is connected by the lower end of bearing pin with described bumper.
Wherein, described lower swing arm is also provided with for installing described helical spring mounting groove, described mounting groove is fixedly connected with helical spring lower end.
Wherein, described lower swing arm comprises two yokes becoming V-shaped to arrange, one end of two described yokes is rotating to be respectively connected on described subframe, the other end is interconnected, and one end of two described yoke connections is connected with described limit assembly of taking turns, and is also respectively equipped with described boss and mounting groove in the one end connected near two described yokes.
Wherein, one end that two described yokes are connected with subframe is respectively provided with a lining, and two described linings are connected on described subframe respectively by adapter shaft is rotating.
Wherein, one end of two described yoke connections is connected with described limit assembly of taking turns by ball end.
Wherein, described lower swing arm is also provided with the limiting stopper for providing buffering and position-limiting action when swinging for described lower swing arm, and described limiting stopper is arranged between described coil spring and wheel limit assembly.
Wherein, described lower swing arm is also provided with the groove for installing described limiting stopper, described limiting stopper is fixed on described lower swing arm by groove.
Wherein, described subframe is provided with and cushions and spacing upper jumping bump rubber for carrying out for the swing of described lower swing arm, and described upper jumping bump rubber and limiting stopper are oppositely arranged.
The utility model additionally provides a kind of independent suspension system, comprises suspension lower suspension arm structure as above.
(3) beneficial effect
Technique scheme of the present utility model has following beneficial effect: the lower swing arm of suspension lower suspension arm structure of the present utility model is rotating to be connected on subframe, and can be swung up and down by the assembly drive of wheel limit; Helical spring lower end is connected with lower swing arm respectively with the lower end of bumper, and becomes distance to arrange between helical spring axis and the axis of bumper; Independent suspension system of the present utility model has suspension lower suspension arm structure as above.This suspension lower suspension arm structure and there is this structure independent suspension system by structure optimization, coil spring and bumper are installed separately, improve the installation effectiveness of coil spring and bumper and the comfort feature of dismounting; And structurally can realize the layout angle changing bumper as required, thus reduce the stressed of bumper, improve the life-span of bumper; By bumper being arranged on the position near wheel limit, the load on wheel limit can being effectively reduced, improve the service life of the limiting stopper on lower swing arm.
Accompanying drawing explanation
Fig. 1 is the front view of the wishbone suspension assembly of prior art;
Fig. 2 is the front view of the suspension lower suspension arm structure of the utility model embodiment;
Fig. 3 is the lateral plan of the suspension lower suspension arm structure of the utility model embodiment;
Fig. 4 is the birds-eye view of the suspension lower suspension arm structure of the utility model embodiment.
Wherein, 1 ', lower swing arm; 2 ', limiting stopper; 3 ', coil spring band vibration damper assembly installs bearing pin; 4 ', lining; 1, lower swing arm; 2, limiting stopper; 3, bearing pin; 4, lining; 5, mounting groove; 6, bumper; 7, coil spring.
Detailed description of the invention
Below in conjunction with drawings and Examples, embodiment of the present utility model is described in further detail.Following examples for illustration of the utility model, but can not be used for limiting scope of the present utility model.
In description of the present utility model, except as otherwise noted, the implication of " multiple " is two or more.Term " on ", D score, "left", "right", " interior ", " outward ", " front end ", " rear end ", " head ", the orientation of the instruction such as " afterbody " or position relationship be based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of the device of instruction or hint indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.
As shown in Figures 2 and 3, the lower swing arm 1 of the suspension lower suspension arm structure described in the present embodiment is rotating to be connected in subframe (not shown), and can be swung up and down by the assembly (not shown) drive of wheel limit, when running car is in bumpy sections, wheel drives tire assembly to jolt, thus causes swinging up and down of lower swing arm 1; The lower end of coil spring 7 is connected with lower swing arm 1 respectively with the lower end of bumper 6, and between the axis of coil spring 7 and the axis of bumper 6, become distance to arrange, coil spring 7 and bumper 6 are installed separately, change coil spring and the coaxial mounted structure of bumper in original wishbone suspension assembly, improve the installation effectiveness of coil spring 7 and bumper 6 and the comfort feature of dismounting; And be installed separately coil spring 7 and bumper 6, structurally can realize the layout angle changing bumper 6 as required, thus make the axis of the axis of coil spring 7 and bumper 6 that larger angle can be kept to install, namely bumper 6 does not need to be arranged in parallel with coil spring 7 can play good damping effect yet, thus reduce the stressed of bumper 6, improve the life-span of bumper 6.
The suspension lower suspension arm structure of the present embodiment is applicable to wishbone-type independent suspension, two yokes of lower swing arm 1 become V-shaped to arrange, one end of two yokes is rotating to be respectively connected on subframe, the other end is interconnected, and one end of two yoke connections is connected with wheel limit assembly, is also respectively equipped with for the boss of mounting shock absorber 6 and the mounting groove 5 for installing coil spring 7 in the one end connected near two yokes.
Reliable in order to ensure being rotationally connected of two yokes and subframe, a lining 4 is respectively provided with in one end that two yokes are connected with subframe, two linings 4 are connected on subframe respectively by adapter shaft (not shown) is rotating, and the one end is connected with wheel limit assembly due to two yokes is interconnected, therefore the swinging up and down unanimously of two yokes.
In order to ensure that two yokes are reliable with the connection of wheel limit assembly, be connected with wheel limit assembly by ball end in one end that two yokes connect.Ball end can well control the swing of lower swing arm 1, with realize wheel jolt time, wheel limit assembly drives the bob of lower swing arm 1, and the divertical motion of wheel.
Lower swing arm 1 is provided with the boss for mounting shock absorber 6 near the position of wheel limit assembly, boss is connected with the lower end of bumper 6 by bearing pin 3, by bumper 6 being arranged on the position near wheel limit, the load on wheel limit can be effectively reduced, thus improve the service life of the limiting stopper 2 on lower swing arm 1; The setting of boss and bearing pin 3 ensure that the connection of the lower end of bumper 6 and lower swing arm 1 is reliable, and layout angle can regulate.
The boss of the present embodiment stretches out outside the edge of lower swing arm 1, bearing pin 3 is fixed on boss, and the outer end of bearing pin 3 is threaded, the lower end of bumper 6 is sleeved on outside bearing pin 3, assemble to ensure that bumper 6 is reliably arranged on lower swing arm 1 by nut and tightening of screw thread, and when needing to revise the relative angle between the axis of bumper 6 and the axis of coil spring 7, only need nut to unscrew, after bumper 6 is gone to required angle, fastening nut again.
In order to effectively improve the dismounting efficiency of coil spring 7, lower swing arm 1 is also provided with the mounting groove 5 for installing coil spring 7, mounting groove 5 is fixedly connected with the lower end of coil spring 7.As shown in Figure 4, the lower swing arm 1 of preferred the present embodiment being cast useful in installing the mounting groove 5 of coil spring 7, only needing to put it in mounting groove 5 when coil spring 7 is installed and fix, carrying out extra fixing fitting work without the need to using the attaching partss such as bolt.
In order to ensure to jump amplitude-controllable on lower swing arm 1 is when swinging, lower swing arm 1 is also provided with the limiting stopper 2 for providing buffering and position-limiting action when swinging for lower swing arm 1, and limiting stopper 2 is arranged between coil spring 7 and wheel limit assembly.Because limiting stopper 2 is arranged on the position near wheel limit assembly, by the cushioning effect of bumper 6, the stressed of limiting stopper 2 can be effectively reduced, extend the service life of limiting stopper 2.
In order to ensure the reliable installation of limiting stopper 2, lower swing arm 1 is also provided with the groove for mounting limit block 2, and limiting stopper 2 is fixed on lower swing arm 1 by groove.
Drive when swinging to prevent lower swing arm 1 on limiting stopper 2 and jump shock subframe; subframe is also provided with and cushions and spacing upper jumping bump rubber for carrying out for the swing of lower swing arm 1; upper jumping bump rubber and limiting stopper 2 are oppositely arranged; to ensure to impinge upon when limiting stopper 2 is jumped on upper jumping bump rubber; increase the buffering effect of limiting stopper 2; available protecting limiting stopper 2 and subframe, avoid excessive damage simultaneously.
The independent suspension system of the present embodiment comprises suspension lower suspension arm structure as above, this suspension lower suspension arm structure reasonably can be connected with suspension top link structure, and be connected with suspension auxiliary frame structure, thus form the independent suspension system that structure is simple, easy accessibility, assembling link and performance conveniently all obtain reasonably optimizing, can be good at reducing costs at production fixing link, develop skill degree of utilization.
When vehicle is installed and keep in repair, due to being installed separately of lower swing arm 1, coil spring 7 and bumper 6, and coil spring 7 and bumper 6 need not coaxially be installed, greatly reduce assembly difficulty and assembling restriction, and then the overall assembly difficulty of this suspension lower suspension arm structure is reduced, structural manufacturing process is simple, and cost of manufacture reduces.When adjusting stressing conditions or the laying angle of bumper 6 according to need of production, can be realized by the lug boss position on adjustment lower swing arm 1, also can again fix and can realize after bumper 6 be gone to required angle along bearing pin 3; When installing coil spring 7, only needing coil spring 7 to fix in mounting groove 5, being fixed assembling without the need to attaching partss such as bolts.
When in vehicle travel process, tire jolts driven wheel limit assembly when jolting, and lower swing arm 1 is driven by wheel limit assembly, is that axle center swings up and down with adapter shaft.When lower swing arm 1 upwards swings because jolting, because lower swing arm 1 is provided with limiting stopper 2, and limiting stopper 2 is arranged on the position near wheel limit assembly, position relative with limiting stopper 2 on subframe is provided with upper jumping bump rubber, lower swing arm 1 is made to drive limiting stopper 2 upwards to beat, clash into the upper jumping bump rubber that subframe is oppositely arranged with limiting stopper 2, buffering and position-limiting action can well be provided for the swing of lower swing arm 1, and be also arranged on the position near wheel limit assembly due to bumper 6, the load on wheel limit can be effectively reduced, improve the service life of limiting stopper 2 and upper jumping bump rubber, can prevent again lower swing arm 1 from striking on subframe, significantly increase the service life of lower swing arm 1 and subframe, thus ensure the safe and reliable of this suspension lower suspension arm structure, meet the requirement of passenger to ride comfort and stability.
In sum, the lower swing arm 1 of the suspension lower suspension arm structure of the present embodiment is rotating to be connected on subframe, and can be swung up and down by the assembly drive of wheel limit; The lower end of coil spring 7 is connected with lower swing arm 1 respectively with the lower end of bumper 6, and becomes distance to arrange between the axis of coil spring 7 and the axis of bumper 6; The independent suspension system of the present embodiment has suspension lower suspension arm structure as above.This suspension lower suspension arm structure and there is this structure independent suspension system by structure optimization, coil spring 7 and bumper 6 are installed separately, improve the installation effectiveness of coil spring 7 and bumper 6 and the comfort feature of dismounting; And structurally can realize the layout angle changing bumper 6 as required, thus reduce the stressed of bumper 6, improve the life-span of bumper 6; By bumper 6 being arranged on the position near wheel limit, the load on wheel limit can being effectively reduced, improve the service life of the limiting stopper 2 on lower swing arm 1.
Embodiment of the present utility model provides for the purpose of example and description, and is not exhaustively or by the utility model be limited to disclosed form.Many modifications and variations are apparent for the ordinary skill in the art.Selecting and describing embodiment is in order to principle of the present utility model and practical application are better described, and enables those of ordinary skill in the art understand the utility model thus design the various embodiments with various amendment being suitable for special-purpose.
Claims (10)
1. a suspension lower suspension arm structure, it is characterized in that, comprise lower swing arm (1), coil spring (7) and bumper (6), described lower swing arm (1) is rotating to be connected on subframe, and can be swung up and down by the assembly drive of wheel limit; The lower end of described coil spring (7) is connected with described lower swing arm (1) respectively with the lower end of bumper (6), and becomes distance to arrange between the axis of described coil spring (7) and the axis of described bumper (6).
2. suspension lower suspension arm structure according to claim 1, it is characterized in that, the upper boss be provided with near described position of taking turns limit assembly for installing described bumper (6) of described lower swing arm (1), described boss is connected with the lower end of described bumper (6) by bearing pin (3).
3. suspension lower suspension arm structure according to claim 2, it is characterized in that, described lower swing arm (1) is also provided with the mounting groove (5) for installing described coil spring (7), described mounting groove (5) is fixedly connected with the lower end of coil spring (7).
4. suspension lower suspension arm structure according to claim 3, it is characterized in that, described lower swing arm (1) comprises two yokes becoming V-shaped to arrange, one end of two described yokes is rotating to be respectively connected on described subframe, the other end is interconnected, and one end of two described yoke connections is connected with described limit assembly of taking turns, and is also respectively equipped with described boss and mounting groove (5) in the one end connected near two described yokes.
5. suspension lower suspension arm structure according to claim 4, it is characterized in that, one end that two described yokes are connected with subframe is respectively provided with a lining (4), and two described linings (4) are connected on described subframe respectively by adapter shaft is rotating.
6. suspension lower suspension arm structure according to claim 4, is characterized in that, one end of two described yoke connections is connected with described limit assembly of taking turns by ball end.
7. suspension lower suspension arm structure according to claim 1, it is characterized in that, described lower swing arm (1) is also provided with the limiting stopper (2) for providing buffering and position-limiting action when swinging for described lower swing arm (1), and described limiting stopper (2) is arranged between described coil spring (7) and wheel limit assembly.
8. suspension lower suspension arm structure according to claim 7, it is characterized in that, described lower swing arm (1) is also provided with the groove for installing described limiting stopper (2), described limiting stopper (2) is fixed on described lower swing arm (1) by groove.
9. suspension lower suspension arm structure according to claim 7, it is characterized in that, described subframe is provided with and cushions and spacing upper jumping bump rubber for carrying out for the swing of described lower swing arm (1), and described upper jumping bump rubber and limiting stopper (2) are oppositely arranged.
10. an independent suspension system, is characterized in that, comprises the suspension lower suspension arm structure as described in any one of claim 1-9.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520588249.9U CN204915166U (en) | 2015-08-06 | 2015-08-06 | Swing arm structure and independent suspension system that has this structure under suspension |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520588249.9U CN204915166U (en) | 2015-08-06 | 2015-08-06 | Swing arm structure and independent suspension system that has this structure under suspension |
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| CN204915166U true CN204915166U (en) | 2015-12-30 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112141212A (en) * | 2020-10-09 | 2020-12-29 | 安徽江淮汽车集团股份有限公司 | Wheel camber angle adjusting structure, suspension and vehicle |
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2015
- 2015-08-06 CN CN201520588249.9U patent/CN204915166U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112141212A (en) * | 2020-10-09 | 2020-12-29 | 安徽江淮汽车集团股份有限公司 | Wheel camber angle adjusting structure, suspension and vehicle |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| PP01 | Preservation of patent right | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20201125 Granted publication date: 20151230 |
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| PD01 | Discharge of preservation of patent | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20220216 Granted publication date: 20151230 |