CN202923321U - Extension-type adjustable steering or stabilizing support arm of automobile chassis suspension - Google Patents
Extension-type adjustable steering or stabilizing support arm of automobile chassis suspension Download PDFInfo
- Publication number
- CN202923321U CN202923321U CN 201220612171 CN201220612171U CN202923321U CN 202923321 U CN202923321 U CN 202923321U CN 201220612171 CN201220612171 CN 201220612171 CN 201220612171 U CN201220612171 U CN 201220612171U CN 202923321 U CN202923321 U CN 202923321U
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- support arm
- silk
- stabilizing support
- automobile chassis
- adjustable steering
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Abstract
The utility model discloses an extension-type adjustable steering or stabilizing support arm of an automobile chassis suspension, relating to a wheel support arm, wherein one end of a bent connecting piece (3) is provided with a rubber sleeve mounting ring (1), a rubber sleeve assembly (2) is fixedly arranged inside the rubber sleeve mounting ring (1), a side wall at the other end of the bent connecting piece (3) is provided with a tensioning side lug (5), and a bolt (4) is connected with a screwed hole (6) of the tensioning side lug (5) in series for fixation; and a lead screw (10) arranged on a bulb assembly (1) penetrates through a locking nut (9) and then is in threaded connection with an inner bore of an internal/external thread transition sleeve (8), one end of the internal/external thread transition sleeve (8) is provided with a spin twist body, a connecting body (12) is arranged in an annular body at the end part of the bulb assembly (11). The extension-type adjustable steering or stabilizing support arm disclosed by the utility model has the advantages of greatly reducing maintenance cost, reducing wastes, shortening maintenance time and effectively eliminating faults caused by changes of an automobile chassis effectively, thereby further improving the safety performance of an automobile.
Description
[technical field]
The utility model relates to a kind of wheel support arm, especially relates to a kind of automobile chassis suspension retractable adjustable steering or stabilizing support arm.
[background technology]
Known existing automobile repacking or the assembling of former car must be fixed wheel, namely the four-wheel location; Four-wheel location must be detected through special testing instrument and judge the various angles of four-wheel and former design and the difference of adjustment value when dispatching from the factory, adjust correction with parts peculiar or instrument again, make it with former design and factory-set value is identical or overall process in dimension limit.
The various angles of automobile four-wheel need to be designed in the four-wheel location, are also in order to guarantee the stationarity of running car, safety and traveling comfort.Locate by four-wheel and can guarantee that sideslip can not appear in automobile, unstable, survey is sliding, turn to shakiness, wear on tyres and suspension parts depreciation to aggravate.The support arm structure that existing former factory vehicle uses is formed through compacting by a monoblock steel plate, and that namely fixes can not adjust structure, lacks commonality and adjustability; Based on described reason, so on kingpin caster angle, bulb degree of dip forward or backward changes when vehicular four wheels occurs; The perhaps folded Angulation changes of pillar top and lower bulb; Will affect stability and the self-aligning ability of running car.When kingpin caster angle went wrong, after must causing rotation of wheel certain angle " between 30～45 ° ", the self-aligning ability lacked; Thereby cause vehicle the sideslip wear on tyres to occur.When the inside or outward-dipping angle in the upper edge of described camber angle goes wrong, when namely adjusting the load of vehicle, must make stress point act on the tire center, eliminate sideslip, in order to reduce wear on tyres.Camber angle: wheel is in the position perpendicular to horizontal surface; Positive camber angle: along outward-dipping, or depart from engine on wheel; Excessive positive camber angle can cause: outside the wearing and tearing tire; The extra sprung parts that increases weares and teares; Cause sideslip; Negative camber angle: the edge slopes inwardly on wheel, or towards engine.
Excessive negative camber angle can cause: the wearing and tearing tire is inboard; The extra sprung parts that increases weares and teares; Cause sideslip; So unequal camber angle: cause sideslip.As: front-wheel positive camber angle in left side is made as 1 °, and right side front wheel is made as 0.5 °, and this car will be to left avertence.
The angle of shrinking back of wheel refers to that a sidecar wheel retreats than another side wheel.Cause reason: producer's reason (namely manufacturer production problem); Or it is caused collision to occur; Under normal circumstances near 0.5 " the angle of shrinking back without any problem.Angle of toein; Description directly over car, the angle of the front end of wheel and vehicle ordinate, its function is: reduce wear on tyres and friction of rolling.Positive prenex: wheel front end lean-in (Eight characters in forming).Toe-out: wheel front end lean-out (forming the outer Eight characters).At this moment condition of service is: can use a small amount of front-wheel just prenex in relatively more sliding place, front-wheel uses positive toe-in can help your car to keep stable when accelerating.Also can reduce the steering reaction of car when entering bent angle but do like this, increase simultaneously the steering reaction accelerate out when curved.If need to obtain more to turn to when entering bent angle, can use toe-out.Can make car when accelerating or during by the fluctuating road surface, become unstable, off-straight but do like this.In the situation of level road caravan, the toe-out that recommendation 0 is spent to 1 jiao.More the positive toe-in of wide-angle or toe-out, more can lower vehicle in the speed of straight line moving.So should not use excessive positive toe-in or toe-out.
Positive toe-in or toe-out can coordinate Ackerman to use.Can use a certain amount of toe-out to coordinate less Ackerman effect, increase turns to leading portion (beginning curved) to react and reduces the reaction that turns to back segment (in curved); Use a certain amount of positive toe-in, and coordinate larger Ackerman effect, reduce turning to leading portion to react and increasing the reaction that turns to back segment.
Deflection angle: namely during motor turning, the angle that front-wheel turns; As go wrong and to cause tire to break away; So must adjust in order to reduce wear on tyres; Sound when reducing motor turning.For the foregoing reasons, can not to satisfy described every adjustment required for existing support arm structure.
[summary of the invention]
in order to overcome the deficiency in background technology, the utility model proposes a kind of automobile chassis suspension retractable adjustable steering or stabilizing support arm, automobile chassis suspension retractable adjustable steering described in the utility model or stabilizing support arm are two enantiomorphs, one of them omits long than another and radian slightly changes, form cover " two a " retractable adjusting support arm, the rubber coating assembly of described two retractable adjusting support arms is arranged on respectively on two point of connection of car body suspension of automobile, the bulb assembly of the other end is connected with turning to body, regulate respectively the inside and outside silk spacer shell of two retractable adjusting support arms, can make rubber coating installation ring and bulb assembly stretch to two ends respectively or contract, stretch out or the close wheel angular adjustment purpose that realizes to the middle part by described, such as camber angle, bundle angle, kingpin caster angle, thrust angle etc., overcome the sideslip that vehicle occurs under steam, wheel mill tire, the bearing circle symptom such as shake, the utility model has reduced maintenance cost greatly, and the amount of cutting the waste shortens maintenance time, can effectively solve the fault that changes and cause because of car chassis, and then improves the safety performance of automobile.
In order to realize above-mentioned utility model purpose, the utility model adopts following technical scheme:
A kind of automobile chassis suspension retractable adjustable steering or stabilizing support arm comprise rubber coating assembly 2, curved attaching parts, inside and outside silk spacer shell, jam nut, bulb assembly, reach connector; The middle part of described curved attaching parts is bending, an end at curved attaching parts is provided with the rubber coating installation ring, described rubber coating assembly is fixedly mounted in the rubber coating installation ring, being provided with tensioning at the other end sidewall of curved attaching parts picks up the ears, in the middle part of described tensioning is picked up the ears, the easement attaching parts radially has the groove of a curved attaching parts negative thread of perforation, and the screw that described bolt series connection tensioning is picked up the ears is fixed; The silk of inside and outside silk spacer shell is connected with the negative thread silk, the endoporus silk that the leading screw that arranges on described bulb assembly passes after jam nut with inside and outside silk spacer shell connects, described inside and outside silk spacer shell one end is provided with and screws body, connector is fixedly installed in the annular solid of bulb assembly end, and described connector is to turn to body or stabilizing support arm to form complete automobile chassis suspension retractable adjustable steering or stabilizing support arm; Wherein said negative thread or be set to positive silk or anti-silk, the leading screw of corresponding described bulb assembly is set to positive silk or anti-silk.
Described automobile chassis suspension retractable adjustable steering or stabilizing support arm pick up the ears to be one or two in the tensioning of curved attaching parts other end sidewall setting.
Described automobile chassis suspension retractable adjustable steering or stabilizing support arm, the tensioning of described curved attaching parts other end sidewall setting picks up the ears to be one or two, wherein arbitrary one is provided with screw and groove.
Described automobile chassis suspension retractable adjustable steering or stabilizing support arm, screwing of described bolt held as interior six sides, outer six sides or has at least the structure that two correspondences screw the plane.
Described automobile chassis suspension retractable adjustable steering or stabilizing support arm, the body that screws of inside and outside silk spacer shell one end setting is to have at least the structure that screws that two correspondences screw the plane.
Described automobile chassis suspension retractable adjustable steering or stabilizing support arm, jam nut is for having at least the structure that screws that two correspondences screw the plane.
Owing to having adopted technique scheme, the utlity model has following preceence:
Automobile chassis suspension retractable adjustable steering described in the utility model or stabilizing support arm, be a kind of car chassis suspended structure, by regulating two independently cooperation capable of regulating vehicular four wheels angles of the leading screw of inside and outside silk spacer shell and negative thread, bulb assembly, such as camber angle, bundle angle, kingpin caster angle, thrust angle etc.Effectively having overcome existing integral type arm part is nonadjustable structure of fixing, and be applicable to the installation of new car or the transformation of used car, especially new car travelled after a period of time, variation in various degree all can occur in the various angles of general automobile chassis structures and wheel, four-wheel will exceed the various angle-datas that set when former car dispatches from the factory like this, vehicle sideslip will occur under steam, wheel mill tire, the bearing circle symptom such as shake, a lot of mal faults be can cause, insecurity and human discomfort brought to chaufeur.The utility model well solves these problems, and the utility model is reasonable in design, can adapt to various, and compact conformation is easy to install on new car and the used car repacking.
[description of drawings]
Fig. 1 is perspective view of the present utility model;
Fig. 2 is another embodiment perspective view of the present utility model;
In the drawings: 1, rubber coating installation ring; 2, rubber coating assembly; 3, curved attaching parts; 4, bolt; 5, tensioning is picked up the ears; 6, screw; 7, negative thread; 8, inside and outside silk spacer shell; 9, jam nut; 10, leading screw; 11, bulb assembly; 12, connector.
[specific embodiment]
With reference to the following examples, can explain in more detail the utility model; But should be noted that the utility model is not limited to following embodiment; Open the purpose of this utility model is intended to protect all changes and improvements in the utility model scope.
In conjunction with Fig. 1 or 2 described a kind of automobile chassis suspension retractable adjustable steering or stabilizing support arms, comprise rubber coating assembly 2, curved attaching parts 3, inside and outside silk spacer shell 8, jam nut 9, bulb assembly 11, reach connector 12; The middle part of described curved attaching parts 3 is bending, an end at curved attaching parts 3 is provided with rubber coating installation ring 1, described rubber coating assembly 2 is fixedly mounted in rubber coating installation ring 1, be provided with tensioning at the other end sidewall of curved attaching parts 3 and pick up the ears 5, the described tensioning 5 middle part easement attaching partss 3 of picking up the ears radially have a groove that connects curved attaching parts 3 negative threads 7, and pick up the ears 5 screw 6 of described bolt 4 series connection tensionings is fixing; The silk of inside and outside silk spacer shell 8 connects with 7 silks of negative thread, the endoporus silk that the leading screw 10 that arranges on described bulb assembly 11 passes the rear and inside and outside silk spacer shell 8 of jam nut 9 connects, described inside and outside silk spacer shell 8 one ends are provided with and screw body, connector 12 is fixedly installed in the annular solid of bulb assembly 11 ends, and described connector 12 is for to turn to body or stabilizing support arm to form complete automobile chassis suspension retractable adjustable steering or stabilizing support arm;
Described automobile chassis suspension retractable adjustable steering or stabilizing support arm, the tensioning of curved attaching parts 3 other end sidewall settings pick up the ears 5 for one or two; The tensioning of described curved attaching parts 3 other end sidewall settings pick up the ears 5 for one or two, wherein arbitrary one is provided with screw 6 and groove; Screwing of described bolt 4 held as interior six sides, outer six sides or has at least the structure that two correspondences screw the plane; The body that screws of inside and outside silk spacer shell 8 one end settings is to have at least the structure that screws that two correspondences screw the plane; Jam nut 9 is for having at least the structure that screws that two correspondences screw the plane.
Implement automobile chassis suspension retractable adjustable steering described in the utility model or stabilizing support arm, effect of the present utility model is automotive to be kept steady surely travel and turn to light, and reduces automobile tire and turn to the wearing and tearing of parts under steam.At first with of the present utility model two respectively independently connector 12 be connected with turning to body, described bulb assembly 11 is connected with two point of connection of car body suspension; In use, regulate respectively the inside and outside silk spacer shell 8 of two retractable adjusting support arms, can make rubber coating installation ring and bulb assembly stretch to two ends respectively or contract, undertaken fastening by 4 pairs of curved attaching partss 3 of described bolt after adjusting, reach the purpose of the inside and outside silk of locking spacer shell 8, then the body direction that screws by silk spacer shell 8 inside and outside 9 pairs of jam nuts screws, and forces leading screw 10 and screw thread in inside and outside silk spacer shell 8 to form pulling force, thus the inside and outside silk of locking spacer shell 8; Realized stretching out or close to the middle part, reached wheel angular adjustment purpose.Just realized adjusting the purpose of kingpin caster angle, leaning angle, camber angle, angle of toein, wrapping angle, propelling angle and friction radius.
The utility model each wheel install respectively or wherein two front-wheels install wherein two trailing wheels install or wherein arbitrary wheel that goes wrong install, four-wheel position finder is used in Installation and Debugging, whether each inclination angle of taking turns and the bundle angle value that detect tested vehicle meet former emblem mark standard, as do not meet and can do random adjustment.The measurement direction hard steering, shake, sideslip, just, do not automatically reset or find the undue wear such as tire uneven wear, wavy wearing and tearing, block wearing and tearing, eccentric wear and the car sense is floated when driving, the top is quivered, waved etc. that abnormal driving is felt, travel middle steering handwheel not just or direction of traffic whether deviation phenomenon etc. appears.The main content of adjusting is: kingpin caster angle, leaning angle, camber angle, angle of toein, wrapping angle etc.
Wherein kingpin caster angle is upper bulb degree of dip forward or backward, perhaps the folded angle of pillar top and lower bulb.Subject matter is to affect stability and the self-aligning ability of running car.Check 0 kingpin caster angle from the unilateral observation of automobile, upper bulb or supporting post top and lower bulb are on a plane.Or check negative kingpin caster angle, the subject matter place: the self-aligning ability lacks.
The wherein adjustment of camber angle: see the angle of the plumb bob vertical on the geometric center lines of tire and ground from the place ahead of automobile, the upper limb deflection of tire inboard " near driving engine " or biased outward " depart from driving engine ".When the tire line of centers overlaps with plumb bob vertical, be called zero camber, can prevent the wearing and tearing that tire is inhomogeneous after adjustment.
When the angle of tire line of centers in the plumb bob vertical when outside is called positive camber angle, after adjusting, effect is mainly to lower load on steering swivel, prevent the wheel landing, prevent because load produces the N/R camber angle and reduces handling maneuver power.Effect is to make inside and outside side roll radius approximately equal after the angle of tire line of centers when plumb bob vertical is inboard is called negative camber angle, adjusts, and makes the inside and outside lateral wearing of tire even, can also improve the lateral stability of vehicle body.Prenex: toe-in of front wheel is from vehicle front, and under the two axles height was identical, the difference of left and right its front end of tire line of centers and rear end distance was called total toe-in.Can eliminate the tire that produces due to camber angle after adjustment breaks away.When too large, the outer lateral wearing of tire has the too large formed wear state of positive camber angle due to positive toe-in, and the tread wear form is featheriness.When stroking laterally from the inboard with hand, the tread outer rim has sharp keen needle-holding hand sensation; Or toe-out is when too large, and the tire inboard has the too large formed wearing and tearing form of negative camber angle, and the tread wear form is featheriness.When stroking with the hand outside-in, the tread outer rim has sharp keen needle-holding hand sensation, can adjust by the utility model equally.Casterangle: the line " steer axis of supposing " of observing upper bulb or pillar top and lower bulb from the side of vehicle tilts forward or backward, i.e. angle between the vertical line on steer axis and ground.Casterangle comprises positive casterangle and negative casterangle and zero's 3 kinds of casterangles; Casterangle effect after adjustment is the stability that wheel is resetted and improve straight-line travelling, if the aligning torque of generation makes automobile meet under steam the purpose that External Force Acting energy self-aligning automobile steering roller arranges kingpin caster angle by chance.The radical function that utilizes the casterangle after the utility model adjustment is to make vehicle keep travelling to the dead ahead, and the angle of casterangle can not affect the tire mill, and it is stablize garage's direction and energy self-aligning when turning to.Leaning angle: see steer axis and the formed angle of ground plumb bob vertical from the place ahead of car, after adjusting, the effect of leaning angle is the stability that reduces handling maneuver power, minimizing rebound and deviation phenomenon, improves the vehicle straight-line travelling.
Claims (6)
1. an automobile chassis suspension retractable adjustable steering or stabilizing support arm, comprise rubber coating assembly (2), curved attaching parts (3), inside and outside silk spacer shell (8), jam nut (9), bulb assembly (11), reach connector (12), it is characterized in that; The middle part of described curved attaching parts (3) is bending, an end at curved attaching parts (3) is provided with rubber coating installation ring (1), described rubber coating assembly (2) is fixedly mounted in rubber coating installation ring (1), be provided with tensioning pick up the ears (5) at the other end sidewall of curved attaching parts (3), described tensioning (5) the middle part easement attaching partss (3) of picking up the ears radially have a groove that connects curved attaching parts (3) negative thread (7), and the pick up the ears screw (6) of (5) of described bolt (4) series connection tensioning is fixing; The outer silk of inside and outside silk spacer shell (8) connects with the silk silk of negative thread (7), the upper leading screw (10) that arranges of described bulb assembly (11) passes jam nut (9) endoporus silk rear and inside and outside silk spacer shell (8) and connects, described inside and outside silk spacer shell (8) one ends are provided with and screw body, connector (12) is fixedly installed in the annular solid of bulb assembly (11) end, and described connector (12) is for to turn to body or stabilizing support arm to form complete automobile chassis suspension retractable adjustable steering or stabilizing support arm; Wherein said negative thread or be set to positive silk or anti-silk, the leading screw of corresponding described bulb assembly is set to positive silk or anti-silk.
2. automobile chassis suspension retractable adjustable steering according to claim 1 or stabilizing support arm, is characterized in that; The tensioning of curved attaching parts (3) other end sidewall setting pick up the ears (5) for one or two.
3. automobile chassis suspension retractable adjustable steering according to claim 1 or stabilizing support arm, is characterized in that; The tensioning of described curved attaching parts (3) other end sidewall setting pick up the ears (5) for one or two, wherein arbitrary one is provided with screw (6) and groove.
4. automobile chassis suspension retractable adjustable steering according to claim 1 or stabilizing support arm, is characterized in that; Screwing of described bolt (4) held as interior six sides, outer six sides or has at least the structure that two correspondences screw the plane.
5. automobile chassis suspension retractable adjustable steering according to claim 1 or stabilizing support arm, is characterized in that; The body that screws of inside and outside silk spacer shell (8) one end settings is to have at least the structure that screws that two correspondences screw the plane.
6. automobile chassis suspension retractable adjustable steering according to claim 1 or stabilizing support arm, is characterized in that; Jam nut (9) is for having at least the structure that screws that two correspondences screw the plane.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220612171 CN202923321U (en) | 2012-11-19 | 2012-11-19 | Extension-type adjustable steering or stabilizing support arm of automobile chassis suspension |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201220612171 CN202923321U (en) | 2012-11-19 | 2012-11-19 | Extension-type adjustable steering or stabilizing support arm of automobile chassis suspension |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202923321U true CN202923321U (en) | 2013-05-08 |
Family
ID=48213315
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201220612171 Expired - Fee Related CN202923321U (en) | 2012-11-19 | 2012-11-19 | Extension-type adjustable steering or stabilizing support arm of automobile chassis suspension |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202923321U (en) |
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2012
- 2012-11-19 CN CN 201220612171 patent/CN202923321U/en not_active Expired - Fee Related
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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: 20130508 Termination date: 20211119 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |