KR100665527B1 - Camber adjusting apparatus for wheel alignment of automobile - Google Patents

Abstract

The present invention relates to a cam alignment adjustment device for wheel alignment of an automobile, and is provided at an automobile maintenance shop, and when the camber of an automobile wheel is wrong, the camber can be adjusted easily and precisely while monitoring the adjustment state of the camber. And it is to maximize the accuracy of the wheel alignment.

The camber adjustment device for wheel alignment of a vehicle according to the present invention has a predetermined width and length, so that the lower portion of the front end can cover the inner edge of the upper end of the automobile wheel when placed horizontally from the center of the upper end of the automobile wheel. A wheel pulling member which is formed to have a curved portion and is bent in parallel with the main body at a rear end thereof so as to have a locking groove; It is coupled to the engaging groove on the wheel pulling member is disposed in parallel with the wheel pulling member, the front end portion is pushed inwards by the action of external force in the state that is arranged to abut on the circumferential surface of the shock absorber to push the shock absorber And an adjustment member for causing the upper part of the wheel to spread outward by the reaction of the force.

Automobile wheels, wheel alignment, camber, wheel pulling member, feed screw, cylinder

Description

CAMBER ADJUSTING APPARATUS FOR WHEEL ALIGNMENT OF AUTOMOBILE}

1 is an exploded perspective view showing a camber adjustment device for wheel alignment of a vehicle according to the present invention;

Figure 2 is a perspective view of the coupled state of Figure 1,

Figure 3 is a perspective view showing a state in which the adjustment member of the cylindrical form is applied in the present invention,

4 is a perspective view showing a state of use of the camber adjustment device for wheel alignment of a vehicle according to the present invention;

5 is a front view of FIG. 4;

6 is a partially enlarged perspective view showing a state of use of the camber adjustment device for wheel alignment of a vehicle according to the present invention;

Figure 7 is a partially enlarged perspective view showing a state of use of the camber adjustment device to which the adjustment member of the cylindrical form is applied in the present invention,

8 is an enlarged front view illustrating an initial state in which a camber adjusting operation of a vehicle wheel is performed using a camber adjusting apparatus according to the present invention;

9 is an enlarged front view illustrating a state in which a camber of an automobile wheel is adjusted by an action of a camber adjusting device according to the present invention.

* Description of the symbols for the main parts of the drawings *

12: car wheel 14: wheel pull member

16: shock absorber 18: adjustment member

20: curved portion 22: locking groove

26,26 ': Jam piece 28: Transfer guide

30: feed screw 32,32 ': contact piece

36: cylinder 38: piston rod.

The present invention relates to a camber adjusting device for a wheel alignment (Wheel Alignment) of the vehicle, and more particularly, to monitor the adjustment state of the camber when the camber of the wheels of the car is incorrectly stored in the automobile repair shop The present invention relates to a cam alignment adjusting device for wheel alignment of an automobile, which enables precise adjustment of the camber to maximize the convenience of use and the accuracy of the wheel alignment.

In general, wheel alignment means that a vehicle is more likely to run smoother, have better road contact, improve steering, and improve stability on straight or curved roads. Knowing the angular relationship between each part of the steering system and balancing all forces generated by friction, gravity, centrifugal force and movement while the car is moving.

In modern times, the structure of the suspension system and engine of the car has changed significantly compared to the cars of the past.

In the past, the basic structure of the car was based on a solid axle frame, but today's car is made of a light one-piece body (independent suspension), and McPherson's strus suspension is applied to the front wheel's independent show-long arm suspension. Instead of a solid rear wheel drive, an independent suspension or light beam shaft rear wheel suspension is used in the front wheel drive.

As a result, today's automobiles are markedly deviated from normal wheel alignment after impact and collision or long-term driving compared to the case of the solid solid chassis of the past.

When the deviation from the normal wheel alignment, such as the waste of fuel, tire wear, handle pull and vibration, the wear of the suspension components, wheel alignment for the entire vehicle wheel is essential.

On the other hand, the wheel alignment of the car is composed of camber, caster, toe, angle of rotation, thrust, etc. Among these, the camber is the top of the wheel when viewed from the front or the rear of the car The degree of inclination toward the outside or the inside of this car.

The case where the upper part of the vehicle wheel is inclined outward is called a positive camber, and the case where the upper part of the wheel is inclined inward is called a negative camber.

The camber typically brings the tire's ground center point as close to the load center point as possible, reduces the scrub radius to reduce the impact on the road surface, eases steering wheel operation, and reduces the load on the tires of the front wheels. As much as possible, a positive camber is placed on the front wheels to prevent the wheels from slipping out due to the large bearings on the spindle attachment.

The reason for placing the camber on the wheels of the car is to prevent the wheels from falling down when the front wheel is under load, to prevent the wheels from escaping while driving, to make the steering wheel lighter, and to reduce the force to bend the spindle or knuckle. For that.

Therefore, if the camber is wrong, fuel is wasted, tires are abnormally worn, the vehicle is pulled out, and steering wheel is difficult to operate. The problem is that the risk is very high.

On the other hand, when the camber is to be adjusted for the wheel alignment of the car, the auto repair shop does not have a separate camber adjusting device, so the worker has to adjust it manually. When adjusting, there is a problem that the workability is very poor due to a large amount of force, and the wheel alignment is inaccurate due to poor precision.

 The present invention is to solve such a conventional problem, its purpose is to provide a car maintenance shop to adjust the camber easily and precisely while monitoring the adjustment state of the camber when the camber of the car wheel is wrong. The aim of the present invention is to provide a camber adjusting device for wheel alignment of a new vehicle that can maximize the convenience and accuracy of wheel alignment.

In order to achieve the above object, the camber adjusting device for wheel alignment of the vehicle according to the present invention is made of a predetermined width and length, the lower side of the tip when the vehicle wheel is placed horizontally across the center of the upper end of the wheel A curved portion formed to be wrapped around an inner edge of the upper end of the wheel, and a wheel pulling member formed at a rear end upwardly bent in parallel with the main body to form a locking groove; It is coupled to the engaging groove on the wheel pulling member is disposed in parallel with the wheel pulling member, the front end portion is pushed inwards by the action of external force in the state that is arranged to abut on the circumferential surface of the shock absorber to push the shock absorber And an adjustment member for causing the upper part of the wheel to spread outward by the reaction of the force.

In the present invention, the adjusting member has a locking piece that is fitted to the locking groove on the wheel pulling member is formed on the bottom surface, the cylindrical conveying guide portion formed with a thread along the inner circumferential surface; A conveying screw having a predetermined length and inserted into a screwed portion on the conveying guide part and linearly moved back and forth according to an external force application direction; A contact piece which is formed at the front end of the transfer screw and makes contact with the circumferential surface of the shock absorber during the camber adjustment operation; The nut is fixedly coupled to the rear end of the transfer screw to engage the electric or manual wrench for imparting an action force during the camber adjustment operation.

In the present invention, the adjustment member is a cylinder of a predetermined size is formed in the bottom engaging surface engaging the engaging groove on the wheel pulling member; An inner end fitted into the cylinder, and an outer end of the piston rod having a predetermined length linearly moved back and forth according to whether the hydraulic or pneumatic pressure is applied to the cylinder while being installed to protrude outward; It is formed on the outer end of the piston rod and includes a contact piece in contact with the circumferential surface of the shock absorber during the camber adjustment operation.

In the present invention, the outer surface of the wheel pulling member has a feature that a plurality of reinforcing beads protrude at regular intervals along the longitudinal direction.

In the present invention has a feature of applying a rubber layer to the inner surface of the curved portion on the wheel pulling member to prevent surface damage of the automobile wheel, to increase the adhesion to firm the grip state.

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

1 is an exploded perspective view showing a wheel alignment camber adjusting device for a vehicle according to the present invention, Figure 2 is a perspective view of the coupled state of Figure 1, Figure 3 is a perspective view showing a state in which the adjustment member of the cylindrical shape is applied in the present invention. .

4 is a perspective view showing a state of use of the wheel alignment camber adjusting apparatus for a vehicle according to the present invention, and FIG. 5 is a front view of FIG.

6 is a partially enlarged perspective view showing a state of use of the wheel alignment camber adjustment apparatus of the vehicle according to the present invention, Figure 7 is a partially enlarged view showing a state of use of the camber adjustment device to which the adjustment member of the cylindrical form is applied in the present invention. Perspective view.

8 is an enlarged front view illustrating an initial state in which a camber adjusting operation of an automobile wheel is performed using the camber adjusting apparatus according to the present invention, and FIG. 9 is a camber of an automobile wheel by the action of the camber adjusting apparatus according to the present invention. Is an enlarged front view showing a state in which is adjusted.

Referring to this, the camber adjustment device for a wheel alignment of a vehicle according to the present invention is configured to be used conveniently in a situation where the driver is carried in the vehicle and it is determined that the camber adjustment is necessary.

To this end, the camber adjusting device 10 for wheel alignment of a vehicle according to the present invention includes a wheel pulling member 14 installed in a horizontal direction from an upper center portion of a car wheel 12 and the wheel pulling member 14. It is coupled to be arranged in the same direction on the upper surface and pushes the shock absorber 16 while linearly moving to the inside of the vehicle body by the action of an external force, the wheel pulling member (by the reaction of the force pushing the shock absorber 16 ( 14) is made of an adjusting member 18 to be pushed outward.

In the present invention, the wheel pulling member 14 is formed to have a predetermined width and length using a steel sheet or reinforced plastic material.

Bends 20 for lowering the inner edge of the upper end of the automobile wheel 12 when placed horizontally from the center of the upper end of the automobile wheel 12 to the lower end of the front end of the wheel pulling member 14 ) Is formed.

At this time, the rubber layer 20a is applied to prevent surface damage of the wheels of the vehicle 12 along the inner surface of the curved portion 20 and to firmly hold the grip state.

Further, it is configured to be bent in parallel with the main body from the rear end of the wheel pulling member 14 upward to form a locking groove 22 of a predetermined depth.

The width of the wheel pulling member 14 is designed to sufficiently wrap the inner edge of the automobile wheel 12, the length of which is equal to or slightly more than the width of the automobile wheel 12. It is designed to be long.

The outer surface of the wheel pulling member 14 is formed to protrude a plurality of reinforcing beads 24 for reinforcing rigidity along the longitudinal direction.

In the present invention, the adjusting member 18 is fitted into the engaging groove 22 on the wheel pulling member 14 is coupled to be arranged in parallel with the wheel pulling member (14).

The front end of the adjusting member 18 is disposed to abut on the circumferential surface of the shock absorber 16, and the wheel is moved by the reaction of the force pushing the shock absorber 16 while linearly moving to the inside of the vehicle body by the action of an external force. The pulling member 14 is pushed out of the vehicle body so that the upper part of the automobile wheel 12 opens outward.

As an example of the adjustment member 18 in the present invention can be applied to the form of a screw.

In the adjusting screw 18 of the conveying screw type, a locking piece 26 is formed on the bottom surface of the adjusting screw 18 to be fitted into the locking groove 22 on the wheel pulling member 14. (28) is provided.

In addition, there is provided a feed screw 30 of a predetermined length is inserted in the screwed state on the conveying guide portion 28 to be linearly moved forward and backward in accordance with the application direction of the external force.

The front end of the transfer screw 30 is formed with a contact piece 32 in contact with the circumferential surface of the shock absorber 16 during the adjustment of the camber, the rear end of the transfer screw 30 is applied to the camber adjustment operation The nut 34 for engaging a separate electric or manual wrench is fixed and engaged.

As another example of the adjustment member 18 in the present invention can be applied to the cylinder shape.

The cylinder-shaped adjustment member 18 is provided with a cylinder 36 having a predetermined size having a locking piece 26 ′ formed on the bottom surface thereof and engaged with the locking groove 22 on the wheel pulling member 14.

In addition, the inner end is fitted into the interior of the cylinder 36, the outer end of the predetermined length to be linearly moved before and after depending on whether the hydraulic or pneumatic pressure applied to the cylinder 36 in a state protruding outwardly The piston rod 38 is provided.

At the outer end of the piston rod 38, a contact piece 32 'is formed in contact with the circumferential surface of the shock absorber 16 during the camber adjustment operation.

The operation of the present invention made as described above is as follows.

1 to 9, when the automobile wheel 12 does not maintain a normal camber and is to be adjusted, first, the curved portion 20 formed at the front end of the wheel pulling member 14 is inside the upper end of the automobile wheel 12. Position it horizontally with the edge wrapped around it.

In this state, the engaging piece 26 on the conveying guide part 28 constituting the adjusting member 18 is fitted into the engaging groove 22 on the pull member 14, and the conveying guide part 28 is fitted. The contact piece 32 formed at the front end of the feed screw 30 which is screwed through is brought into contact with the outer circumferential surface of the shock absorber 16 fixed and installed inside the vehicle body.

In such a state, when the manual or electric wrench is fitted to the nut 34 fixed to the rear end of the conveying screw 30 and a rotational force is applied in a predetermined direction, the conveying screw 30 rotates in the conveying guide 28. While being linearly moved inward to the vehicle body, the contact piece 32 pushes the shock absorber 16.

However, since the shock absorber 16 is fixed to the vehicle body, the shock absorber 16 is not pushed out, and as the wheel pulling member 14 is pushed out of the vehicle body by the reaction, the upper portion of the wheel 12 opens outward. As the camber is adjusted, adjustment is made.

The extent to which the upper portion of the automobile wheel 12 is spread outward during such a camber adjustment operation is determined according to the pitch of the transfer screw 30.

On the other hand, in the case of adjusting the camber by using the adjustment member 18 in the form of a cylinder, the cylinder 36 of the cylinder 36 is disposed in the horizontal direction at the center of the upper end of the automobile wheel 12 as described above. The engaging piece 26 ′ coupled to the bottom surface is fitted into the engaging groove 22 on the wheel pulling member 14.

In this state, when hydraulic pressure or pneumatic pressure is applied to the cylinder 36, the tip portion of the piston rod 38 protruding outward of the cylinder is linearly moved into the vehicle body, and the contact piece 32 'coupled to the tip portion is loosened. The shock absorber 16 is pushed against the outer circumferential surface of the absorber 16.

However, since the shock absorber 16 is fixed to the vehicle body, the shock absorber 16 is not pushed out, and as the wheel pulling member 14 is pushed out of the vehicle body by the reaction, the upper portion of the wheel 12 opens outward. As the camber is adjusted, adjustment is made.

In the present invention, the reinforcing bead 24 formed on the outer surface of the wheel pulling member 14 is a wheel pulling member due to the reaction of the force pushing the shock absorber 16, the transfer screw 30 or the piston furnace 38. The curved portion 20 on the 14 disperses the force acting on the curved portion 20 when pushing the upper portion of the automobile wheel 12 to the outside of the vehicle body to prevent the curved portion 20 from being unfolded from the curved state. do.

In addition, since the rubber layer 20a is applied to the inner surface of the curved portion 20 on the wheel pulling member 14, damage to the automobile wheel 12 is prevented when adjusting the camber, and the adhesion is improved, so that the grip state is firmly held. maintain.

According to the present invention, when the camber of the automobile wheel is adjusted in the maintenance shop, the mechanical force is performed while monitoring the adjustment state, and thus the force is much less, and the camber adjustment is made very precisely, so that the wheel alignment is significantly improved. Can be improved.

Claims (5)

It has a predetermined width and length, and a curved portion is formed at the lower end of the front end so as to cover the inner edge of the upper end of the automobile wheel when placed horizontally from the center of the upper end of the automobile wheel, and from the rear end to the upper side. A wheel pulling member bent in parallel with the main body to form a locking groove; It is coupled to the engaging groove on the wheel pulling member is disposed in parallel with the wheel pulling member, the front end portion is pushed inwards by the action of external force in the state that is arranged to abut on the circumferential surface of the shock absorber to push the shock absorber The camber adjustment device for a wheel alignment of a vehicle, characterized in that it comprises an adjustment member for spreading the upper portion of the automobile wheel outward by the reaction of the force. The method of claim 1, The adjustment member is formed on the bottom surface of the engaging piece is caught in the engaging groove on the wheel pulling member, the cylindrical conveying guide portion formed with a threaded portion along the inner circumferential surface; A conveying screw having a predetermined length and inserted into a screwed portion on the conveying guide part and linearly moved back and forth according to an external force application direction; A contact piece which is formed at the front end of the transfer screw and makes contact with the circumferential surface of the shock absorber during the camber adjustment operation; And a nut that is fixedly coupled to the rear end of the transfer screw to engage an electric or manual wrench that imparts an acting force during the adjustment operation of the camber. The method of claim 1, The adjustment member may include a cylinder having a predetermined size having a locking piece that is caught in a locking groove on a wheel pulling member at a bottom thereof; An inner end fitted into the cylinder, and an outer end of the piston rod having a predetermined length linearly moved back and forth according to whether the hydraulic or pneumatic pressure is applied to the cylinder while being installed to protrude outward; And a contact piece formed at an outer end of the piston rod to contact a circumferential surface of the shock absorber during a camber adjustment operation. The method of claim 1, On the outer surface of the wheel pulling member, a plurality of reinforcing beads (Bead) along the longitudinal direction of the wheel alignment camber adjustment device for a vehicle, characterized in that formed at a predetermined interval. The method according to claim 1 or 4, And a rubber layer applied to an inner surface of the curved portion of the wheel pulling member to prevent surface damage of the wheel of the vehicle, and to increase adhesion and to secure a grip state.

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