KR100528643B1 - A wheel alignment regulator - Google Patents

Abstract

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wheel alignment adjusting device. In particular, a camber, caster, or toe can be easily used by using a cambolt assembly and a bracket assembly in a double wishbone and a Mafson type suspension structure. It relates to a wheel alignment adjustment device that can be adjusted.

Description

Wheel alignment regulator {A wheel alignment regulator}

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a wheel alignment adjusting device. In particular, a camber, caster, or toe can be easily used by using a cambolt assembly and a bracket assembly in a double wishbone and a Mafson type suspension structure. It relates to a wheel alignment adjustment device that can be adjusted.

The front wheel alignment elements of the vehicle include camber, caster, toe, and kingpin inclination angle, and these alignment elements complement each other to reduce steering force of the steering wheel, to give safety to the vehicle body, to provide stability to the steering wheel, and to tire It shows the effect of reducing wear.

The double wishbone suspension structure has been widely applied to luxury vehicles because of its high degree of freedom in wheel geometry setting such as tow and camber. However, the degree of freedom in wheel geometry setting is good, but there is a problem in uniformity of vehicle characteristics due to many changes in initial wheel alignment.

Therefore, adjustment of the wheel alignment is essential to achieve stability of quality.

1 is a structural perspective view of a suspension arm used in a conventional double wishbone or maferson type.

As shown in FIG. 1, the conventional suspension arm 1 has one side connected to a wheel and the other side connected to the vehicle body 6 by a bush 2, and the bush 2 has both sides in a vehicle front and rear direction. Protruding portion 3 is formed, and a plurality of fastening holes 4 are formed in the protruding portions, and the fastening holes 4 are fastened to the vehicle body by using bolts 7 and nuts 8. .

In addition, a stopper 5 is installed between one side of the protrusion 3 and the bush 2 to secure rigidity during braking.

However, when the suspension arm as shown in FIG. 1 is applied to a double wishbone or Maferson type suspension device, wheel alignment can be set only at the beginning of mass production, and later, adjustment of camber, caster or toe is required. There was a problem that it is impossible to optimize the ride comfort and adjustment performance.

The present invention has been made to solve the above-mentioned problems, the object of the present invention is to provide a wheel alignment adjustment device that can easily adjust the camber, caster or tow of the suspension arm to improve the ride comfort and adjustment performance as needed. have.

In order to achieve the above object, the wheel alignment adjustment device of the present invention, one side is connected to the wheel, the other side is connected to the vehicle body by the bush, the bush is both sides protruding in the vehicle front and rear direction (X-axis direction) In the suspension arm having a plurality of fastening holes formed on the protruding portion, the bracket assembly is largely divided into a bracket assembly installed on the bush and a cam bolt assembly for fastening the bracket assembly to the vehicle body, and adjusting the thickness of the bracket assembly or the cam assembly. Rotate the bolt assembly to adjust the camber, caster or toe.

The bracket assembly includes a first bracket, a second bracket, and a cam bolt adjustment guide, and the cam bolt assembly is composed of a cam bolt and a nut.

The first bracket is disposed between the vehicle body and the bush when viewed in the vehicle width direction (Y-axis direction), and has a first long hole formed in the X-axis direction corresponding to the fastening hole of the bush, and the second bracket Is disposed on the opposite side of the first bracket so that the bush is disposed in the center, the second long hole corresponding to the first long hole of the first bracket is formed.

In addition, a cam bolt adjustment guide is formed in the second bracket so that the cam bolt assembly can move.

The cam bolt assembly fastens the second bracket, the bush, and the first bracket to the vehicle body in the Y-axis direction by using a plurality of cam bolts and nuts corresponding to the plurality of second holes, the fastening holes, and the first long holes, respectively. .

In this case, the cam slot and the nut are used in the second long hole, the fastening hole, and the first long hole formed on one side of each of the second bracket, the bush, and the first bracket without using a plurality of cam bolt assemblies in the Y-axis direction. The second bracket, the fastening hole and the first long hole which are fastened to the vehicle body and formed on the other side thereof, can rotate the second bracket, the bush or the first bracket in the X-axis direction by the rotation of the cam bolt assembly. Bolts and nuts can be used to fasten the car body in the Y-axis direction.

The bracket assembly may further include a connection bracket connecting the second bracket to the first bracket.

Hereinafter, with reference to the accompanying drawings will be described in detail a preferred embodiment of the present invention.

FIG. 2 is a perspective view showing the bracket assembly 10 of the present invention, FIG. 3 is a structural perspective view of the suspension arm 1 provided with the wheel alignment adjusting device of the present invention, and FIG. 4 is a view taken along line AA of FIG. 5 is an exploded perspective view of the wheel alignment adjusting device of the present invention.

As shown in Figures 2 to 5, the present invention provides a bracket assembly 10 and the bracket assembly 10 which is installed on the protrusion (3) formed in the bush (2) of the conventional suspension arm (1) The cam bolt assembly 20 is fastened to the vehicle body 6.

The bracket assembly 10 includes a first bracket 11, a second bracket 13, a connecting bracket 15, and a cam bolt adjustment guide 16.

The first bracket 11 is disposed between the vehicle body 6 and the bush 2 when viewed in the vehicle width direction (Y-axis direction), and corresponds to a plurality of fastening holes 4 of the bush 2. The first long hole 12 elongated in the X-axis direction is formed.

The first bracket 11 may be formed so that the first long hole 12 is formed in each of the brackets instead of one, but as shown in FIG. 2, the bush 2 may be inserted in the center. It is preferable to produce the integral shape which has this open fin shape.

In this case, it is easy to install or remove the first bracket 11.

When viewed from the Y-axis direction, the second bracket 13 is disposed opposite the first bracket 11 so that the bush 2 is disposed at the center thereof, and the first long hole of the first bracket 11 ( A plurality of second long holes 14 corresponding to 12 are formed.

Unlike FIG. 2, the second bracket 13 may also be a single bracket having a U-shape in which one side is open like the first bracket 11.

The cam bolt adjustment guide 16 is installed around the second long hole 14 of the second bracket 13 so that the cam bolt assembly 20 can move.

The connecting bracket 15 connects the second bracket 13 to the first bracket 11 by welding or the like to form a bracket.

At this time, it is preferable that the connecting bracket 15 be installed to be caught by the bush 2 when moving in the X-axis direction.

The cam bolt assembly 20 connects the second bracket 13, the bush 2, and the first bracket 11 to the second long hole 14, the fastening hole 4, and the first long hole 12, respectively. The cam bolt 21 and the nut 22 which are fastened to the vehicle body 6 in the Y-axis direction through).

The cam bolt 21 has an axis through which the fastening hole 4 or the like is eccentric with respect to the center of the bolt head.

At this time, the second long hole 14 and the fastening hole formed on one side of each of the second bracket 13, the bush 2, and the first bracket 11 without using the plurality of cam bolt assemblies 20. 4) and the first long hole 12 is fastened to the vehicle body 6 in the Y-axis direction by using the cam bolt 21 and the nut 22, and the second long hole 14, the fastening hole ( 4) and the first long hole 12 may allow the second bracket 13, the bush 2, or the first bracket 11 to slide in the X-axis direction by the rotation of the cam bolt assembly 20. A general bolt and nut (not shown) may be used to fasten the vehicle body 6 in the Y-axis direction.

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Looking at the operating state of the wheel alignment adjustment device of the present invention configured as described above are as follows.

Since the through shaft of the cam bolt 21 is eccentric with respect to the center of the bolt head, when the cam bolt 21 is rotated, the bolt head is guided by the cam bolt adjusting guide 16 and the through shaft is formed. It moves along the 1st hole 12 and the 2nd hole 14 in the X-axis direction or the opposite direction.

At this time, the bush 2 is moved in the X-axis direction or the opposite direction by the movement of the through shaft of the cam bolt 21 inserted through the fastening hole 4, thereby the suspension arm 1 also Finally, the wheel moves in the X-axis direction or vice versa.

This changes the camber, caster and toe of the wheel, with the largest change in the camber and the caster and toe a little.

When the first bracket 11 having various thicknesses t is installed between the bush 2 and the vehicle body 6, the bush 2 moves in the Y-axis direction or the opposite direction. This causes the suspension arm 1 to move as well, so that the wheel finally moves in the Y-axis direction or vice versa.

At this time, not by adjusting wheel alignment by adjusting the thickness t of the first bracket 11, but also by adjusting the length between the first bracket 11 and the second bracket 13 of the connecting bracket 15. can do.

This changes the camber, caster and toe of the wheel, with the largest change in caster and toe, and the camber slightly changing.

Accordingly, by appropriately adjusting the rotation of the cam bolt assembly 20, the thickness t of the first bracket 11, or the length of the connecting bracket 15, the camber, caster or toe is appropriately adjusted to meet the requirements. It becomes possible.

The wheel alignment adjusting device of the present invention is not limited to the above-described embodiment, but can be modified in various ways within the scope of the technical idea of the present invention.

According to the wheel alignment adjustment device of the present invention as described above has the following advantages.

First, when the wheel alignment adjustment of the car is required, the camber, caster or toe can be easily adjusted by the rotation of the cambol assembly, the thickness of the first bracket, or the length of the connecting bracket, thereby optimizing riding comfort and adjusting performance. have.

Second, by using a plurality of the cam bolt assembly, it is possible to prevent the change of the camber, caster or tow value by the external force such as the impact or vibration of the road surface to always maintain a constant to ensure safe running, or One side of the bush projecting portion is fastened by using a cam bolt assembly, and the other side by using a general bolt and a nut, so that the wheel alignment can be easily adjusted by adjusting the cam bolt on one side.

Third, by installing a connecting bracket connecting the first bracket and the second bracket instead of the stopper used in the bush to secure the rigidity when the vehicle is braking, it serves as a stopper, thereby reducing the weight and cost.

Fourth, by fastening the cam bolt in the vehicle width direction (Y-axis direction), it is easy to work when adjusting the wheel alignment has the effect of improving the workability.

1 is a structural perspective view of a suspension arm used in a conventional double wishbone or maferson type,

2 is a perspective view of the bracket assembly of the present invention;

Figure 3 is a perspective view of the structure of the suspension arm is installed wheel alignment adjustment device of the present invention,

4 is a cross-sectional view taken along line A-A of FIG.

5 is an exploded perspective view of the wheel alignment adjustment device of the present invention.

<Description of Symbols for Main Parts of Drawings>

1: suspension rock, 2: bush,

3: protrusion, 4: fastening hole,

6: body, 10: bracket assembly,

11: first bracket; 12: Chapter 1,

13: second bracket; 14: Chapter 2,

15: connecting bracket; 16: Cam Bolt Adjustment Guide,

20: cambolt assembly, 21: cambolt,

22: nut, t: thickness of the first bracket.

Claims (3)

In one side is connected to the wheel, the other side is connected to the vehicle body by the bush, the bush is both sides protruding in the vehicle front and rear direction (X-axis direction), the suspension arm in which a plurality of fastening holes are formed in the protruding portion, A first bracket disposed between the vehicle body and the bush in a vehicle width direction (Y-axis direction) and having a first long hole in an X-axis direction corresponding to a fastening hole of the bush; A second bracket disposed on the opposite side of the first bracket such that the bush is disposed in the center, and having a second hole corresponding to the first hole of the first bracket; A cam bolt assembly including a cam bolt and a nut for fastening the second bracket, the bush and the first bracket to the vehicle body in the Y-axis direction through a plurality of the second long holes, the fastening holes, and the first long holes, respectively; The cam bolt assembly is made of a cam bolt adjustment guide formed on the second bracket so as to be movable, The bush is moved in the X-axis direction by the rotation of the cam bolt assembly, or the bush is moved in the Y-axis direction by adjusting the thickness of the first bracket so that the camber, caster, or toe Wheel alignment adjusting device, characterized in that for adjusting (). In one side is connected to the wheel, the other side is connected to the vehicle body by the bush, the bush is both sides protruding in the vehicle front and rear direction (X-axis direction), the suspension arm in which a plurality of fastening holes are formed in the protruding portion, A first bracket disposed between the vehicle body and the bush in a vehicle width direction (Y-axis direction), the first bracket having an elongated first hole in the X-axis direction corresponding to the fastening hole of the bush; A second bracket disposed on the opposite side of the first bracket such that the bush is disposed in the center, and having a second hole corresponding to the first hole of the first bracket; A cam bolt assembly composed of a cam bolt and a nut fastening to the vehicle body in the Y-axis direction through the second long hole, the fastening hole, and the first long hole formed on each side of the second bracket, the bush, and the first bracket; Bolts and nuts fastened to the vehicle body in the Y-axis direction through the second long hole, the fastening hole, and the first long hole formed on each other side of the second bracket, the bush, and the first bracket; The cam bolt assembly is made of a cam bolt adjustment guide formed on the second bracket so as to be movable, The second bracket, the bush or the first bracket is slid along the bolt in the X-axis direction by the rotation of the cam bolt assembly, The bush is moved in the X-axis direction by the rotation of the cam bolt assembly, or the bush is moved in the Y-axis direction by adjusting the thickness of the first bracket so that the camber, caster, or toe Wheel alignment adjusting device, characterized in that for adjusting (). The method according to claim 1 or 2, Wheel alignment adjustment device further comprises a connecting bracket for connecting the second bracket and the first bracket.