CN203344683U - Telescopic adjusting supporting arm for automobile chassis suspension - Google Patents

Abstract

The utility model discloses a telescopic adjusting supporting arm for an automobile chassis suspension. The telescopic adjusting supporting arm for the automobile chassis suspension comprises a rubber cover assembly, a bent connection part, an inner and outer thread connection sleeve, a wave type elastic washer, a locking nut, a handle-sleeved screw, a bolt and a nut. The middle of the bent connection part is bent, a rubber cover installation ring is arranged at one end of the bent connection part, the rubber cover assembly is fixedly installed in the rubber cover installation ring, an inner threaded hole is formed in the other end portion of the bent connection part, and a tensioning side lug is arranged on the outer wall of the other end portion of the bent connection part. Outer threads of the inner and outer thread connection sleeve are connected with right-hand threads of the inner threaded hole in a threaded mode. a screw rod is arranged at one end of the handle-sleeved screw, the rubber cover installation ring is arranged at the other end of the handle-sleeved screw, and the rubber cover assembly is installed inside the rubber cover installation ring. The screw rod arranged on the handle-sleeved screw is connected with left-hand threads of an inner hole of the inner and outer thread connection sleeve in a threaded mode after penetrating through the locking nut. According to the telescopic adjusting supporting arm for the automobile chassis suspension, the tires on one side or two sides can be adjusted at the same time according to the condition of the four wheels of an automobile, and the maintenance cost can be lowered greatly.

Description

A kind of automobile chassis suspension retractable adjusting support arm

[technical field]

The present invention relates to a kind of wheel support arm, especially relate to a kind of automobile chassis suspension retractable adjusting support arm.

[background technology]

Existing automobile repacking or the assembling of former car must be fixed wheel, namely the four-wheel location; Four-wheel location must be detected and judge the various angles of four-wheel and former design and the difference of adjustment value while dispatching from the factory through special testing instrument, 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.By four-wheel locate can guarantee automobile not there will be sideslip, unstable, break away, turn to the phenomenons such as shakiness, tire eccentric wear and suspension parts depreciation aggravation.The support arm structure that existing former factory vehicle uses by a monoblock steel plate through compacting or formed by the forging solid forging, these support arms be fix can not adjust structure, lack commonality and adjustability; Based on described reason, so, when the inside or outward-dipping angle in the upper edge of camber angle goes wrong, while 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: on wheel, along outward-dipping, or depart from engine; Excessive positive camber angle can cause: the wearing and tearing tire outside; The extra sprung parts that increases weares and teares; Cause sideslip; Negative camber angle: on wheel, edge slopes inwardly, or towards engine.Excessive negative camber angle can cause: wearing and tearing tire inboard; The extra sprung parts that increases weares and teares; Cause sideslip; So unequal camber angle: cause sideslip.For example: when front-wheel positive camber angle in left side is made as 1 °, right side front wheel is made as 0.5 °, and this car is sideslip left.

For the foregoing reasons, can not to meet 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 adjusting support arm, this support arm is adjusted according to the vehicular four wheels one-sided tire of situation capable of regulating of living in or both sides simultaneously, can reduce greatly maintenance cost, the amount of cutting the waste, shorten maintenance time, can effectively solve the fault that changes and cause because of car chassis, and then improve the safety performance of automobile.

To achieve these goals, the utility model adopts following technical scheme:

A kind of automobile chassis suspension retractable adjusting support arm, comprise rubber coating assembly, curved attaching parts, inside and outside silk adapter sleeve, wave mode spring washer, jam nut, toggle screw rod, bolt and nut; 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, the other end end of curved attaching parts is provided with internal thread hole, being provided with tensioning on the outer wall of the other end end of curved attaching parts picks up the ears, described tensioning is picked up the ears middle part along the groove that radially has a connection internal thread hole of internal thread hole, and tensioning also is provided with the through hole through groove on picking up the ears, and is equipped with bolt in through hole and uses fastening nuts; The outer silk of inside and outside silk adapter sleeve connects with the positive silk silk of negative thread, one end of described toggle screw rod is provided with screw rod, the other end is provided with the rubber coating installation ring, be provided with the rubber coating assembly in the rubber coating installation ring, the anti-silk of screw rod on the toggle screw rod is through connecing with the anti-silk silk of the endoporus of inside and outside silk adapter sleeve after jam nut, and the outside thread of inside and outside silk adapter sleeve is set to positive silk, and negative thread is set to anti-silk, the screw rod of described toggle screw rod is set to anti-silk, and jam nut is anti-silk.

Further, in the tensioning of the distolateral wall setting of curved attaching parts one, pick up the ears as one or two.

Further, the one end setting of inside and outside silk adapter sleeve screws body at least having the structure that screws that two correspondences screw plane.

Owing to having adopted technique scheme, the utlity model has following preceence:

The utility model is by the cooperation capable of regulating vehicular four wheels angle of the screw mandrel of silk adapter sleeve and negative thread, toggle screw rod inside and outside adjusting, 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 just there will be sideslip under steam, wheel mill tire, the bearing circle symptom such as shake, a lot of faults or accident be can cause, to chaufeur, insecurity and human discomfort brought.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.

[accompanying drawing explanation]

Fig. 1 is structural representation of the present utility model;

In figure: 1, rubber coating installation ring; 2, inside and outside silk adapter sleeve; 3, wave spring washer; 4, jam nut; 5, toggle screw rod; 6, nut; 7, internal thread hole; 8, tensioning is picked up the ears; 9, bolt; 10, rubber coating assembly; 11, curved attaching parts.

[specific embodiment]

In conjunction with Fig. 1, a kind of automobile chassis suspension retractable adjusting support arm, it comprises rubber coating assembly 10, curved attaching parts 11, inside and outside silk adapter sleeve 2, wave spring washer 3, jam nut 4, toggle screw rod 5, bolt 9 and nut 6, the middle part of described curved attaching parts 11 is bending, have lightening hole in the prerequisite that guarantees structural behaviour on the side of curved attaching parts 11, an end at curved attaching parts 11 is provided with rubber coating installation ring 1, described rubber coating assembly 10 is fixedly mounted in rubber coating installation ring 1, the other end end of curved attaching parts is provided with internal thread hole 7, be provided with tensioning and pick up the ears 8 on the outer wall of the other end end of curved attaching parts 11, the described tensioning groove that radially have a connection internal thread hole of 8 middle parts along internal thread hole 7 of picking up the ears, tensioning picks up the ears on 8 also to be provided with the through hole through groove, be equipped with bolt 9 fastening with nut 6 in through hole, the outer silk of inside and outside silk adapter sleeve 2 connects with the positive silk silk of curved attaching parts internal thread hole 7, the screw mandrel arranged on described toggle screw rod 5 connects through the endoporus silk of jam nut 4 and the rear and inside and outside silk adapter sleeve 2 of wave spring washer 3, and described inside and outside silk adapter sleeve 2 one ends are provided with and screw body, the outside thread of wherein said inside and outside silk adapter sleeve 2 is set to positive silk, and negative thread is set to anti-silk, the screw rod of corresponding described toggle screw rod 5 is set to anti-silk, and jam nut 4 is anti-silk.

Pick up the ears 8 for one or two in the tensioning of the distolateral wall setting of curved attaching parts 11 1; The tensioning of the distolateral wall setting of described curved attaching parts 11 1 picks up the ears 8 to be provided with screw and groove; Screwing of described bolt 9 held as interior six sides, outer six sides or at least has the structure that two correspondences screw plane; The body that screws of inside and outside silk adapter sleeve 2 one end settings is at least to have the structure that screws that two correspondences screw plane; Jam nut 4 is at least having the structure that screws that two correspondences screw plane.

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 the rubber coating end on curved attaching parts 11 is connected with the car body suspension, gum cover end on toggle screw rod 5 is connected with the point of connection on tire, then regulate inside and outside silk adapter sleeve 2, make the hole width between centers of 10 of rubber coating assemblies increase or reduce, after adjustment, by described bolt 9 and 6 pairs of curved attaching partss 11 of nut, undertaken fastening, reach the purpose of the inside and outside silk of locking adapter sleeve 2, then by jam nut 4, the body direction that screws to inside and outside silk adapter sleeve 2 screws, force the screw rod of toggle screw rod 5 and the negative thread of inside and outside silk adapter sleeve 2 to form pulling force, thereby locking toggle screw rod 5, for the reliability that guarantees locking is provided with wave spring washer 3 between jam nut 4 and inside and outside silk adapter sleeve 2, by the adjustment of above width between centers, just realized the purpose of wheel angular adjustment.

The utility model can each wheel install respectively also can two front-wheel install two trailing wheels are installed or wherein arbitrary wheel gone wrong install, use four-wheel position finder during Installation and Debugging, whether each He Shu angle, the inclination angle value of taking turns that detects tested vehicle meets former emblem mark standard, as met, can not 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 while driving, 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.

It is camber angle that the utility model is mainly adjusted content.

The 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.When the angle of tire line of centers when plumb bob vertical is inboard is called negative camber angle, after adjusting, effect is to make inside and outside side roll radius approximately equal, makes the inside and outside lateral wearing of tire even, can also improve the lateral stability of vehicle body.

Claims (3)

1. an automobile chassis suspension retractable adjusting support arm, is characterized in that: comprise rubber coating assembly (10), curved attaching parts (11), inside and outside silk adapter sleeve (2), wave spring washer (3), jam nut (4), toggle screw rod (5), bolt (9) and nut (6), the middle part of described curved attaching parts (11) is bending, have lightening hole in the prerequisite that guarantees structural behaviour on the side of curved attaching parts, an end at curved attaching parts is provided with rubber coating installation ring (1), described rubber coating assembly (10) is fixedly mounted in the rubber coating installation ring, the other end end of curved attaching parts is provided with internal thread hole (7), be provided with tensioning pick up the ears (8) on the outer wall of the other end end of curved attaching parts, described tensioning is picked up the ears middle part along the groove that radially has a connection internal thread hole of internal thread hole, tensioning also is provided with the through hole through groove on picking up the ears, be equipped with bolt (9) fastening with nut (6) in through hole, the outer silk of inside and outside silk adapter sleeve (2) connects with the positive silk silk of curved attaching parts internal thread hole (7), the upper screw mandrel arranged of described toggle screw rod (5) connects through jam nut (4) and wave spring washer (3) endoporus silk rear and inside and outside silk adapter sleeve (2), and described inside and outside silk adapter sleeve one end is provided with and screws body, the outside thread of described inside and outside silk adapter sleeve is set to positive silk, and negative thread is set to anti-silk, and the screw rod of described toggle screw rod is set to anti-silk, and jam nut is anti-silk.

2. automobile chassis suspension retractable adjusting support arm according to claim 1, is characterized in that: in the tensioning of curved attaching parts (11) one distolateral wall settings, pick up the ears (8) for one or two.

3. automobile chassis suspension retractable adjusting support arm according to claim 1 is characterized in that: (2) the one end settings of inside and outside silk adapter sleeve screw body at least thering is the structure that screws that two correspondences screw plane.

Images