KR20080112004A - Active geometry controlled suspension system - Google Patents

Active geometry controlled suspension system Download PDF

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Publication number
KR20080112004A
KR20080112004A KR1020070060670A KR20070060670A KR20080112004A KR 20080112004 A KR20080112004 A KR 20080112004A KR 1020070060670 A KR1020070060670 A KR 1020070060670A KR 20070060670 A KR20070060670 A KR 20070060670A KR 20080112004 A KR20080112004 A KR 20080112004A
Authority
KR
South Korea
Prior art keywords
control lever
suspension system
coupling means
ball
active geometry
Prior art date
Application number
KR1020070060670A
Other languages
Korean (ko)
Inventor
배한욱
Original Assignee
현대모비스 주식회사
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 현대모비스 주식회사 filed Critical 현대모비스 주식회사
Priority to KR1020070060670A priority Critical patent/KR20080112004A/en
Publication of KR20080112004A publication Critical patent/KR20080112004A/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G17/00—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load
    • B60G17/015—Resilient suspensions having means for adjusting the spring or vibration-damper characteristics, for regulating the distance between a supporting surface and a sprung part of vehicle or for locking suspension during use to meet varying vehicular or surface conditions, e.g. due to speed or load the regulating means comprising electric or electronic elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G21/00—Interconnection systems for two or more resiliently-suspended wheels, e.g. for stabilising a vehicle body with respect to acceleration, deceleration or centrifugal forces
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G3/00—Resilient suspensions for a single wheel
    • B60G3/18—Resilient suspensions for a single wheel with two or more pivoted arms, e.g. parallelogram
    • B60G3/20—Resilient suspensions for a single wheel with two or more pivoted arms, e.g. parallelogram all arms being rigid
    • B60G3/26—Means for maintaining substantially-constant wheel camber during suspension movement ; Means for controlling the variation of the wheel position during suspension movement
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2202/00—Indexing codes relating to the type of spring, damper or actuator
    • B60G2202/40—Type of actuator
    • B60G2202/42—Electric actuator
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
    • B60G2204/40—Auxiliary suspension parts; Adjustment of suspensions
    • B60G2204/421—Pivoted lever mechanisms for mounting suspension elements, e.g. Watt linkage
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2204/00—Indexing codes related to suspensions per se or to auxiliary parts
    • B60G2204/40—Auxiliary suspension parts; Adjustment of suspensions
    • B60G2204/43—Fittings, brackets or knuckles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2206/00—Indexing codes related to the manufacturing of suspensions: constructional features, the materials used, procedures or tools
    • B60G2206/01—Constructional features of suspension elements, e.g. arms, dampers, springs
    • B60G2206/70—Materials used in suspensions
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D17/00—Means on vehicles for adjusting camber, castor, or toe-in

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Vehicle Body Suspensions (AREA)
  • Pivots And Pivotal Connections (AREA)

Abstract

In the active geometry control suspension system according to the present invention, the coupling means for coupling the control lever and the assist arm is configured to make a rolling contact with the control lever, so that the rotational movement becomes easier and the stroke of the actuator can be increased, thereby improving performance. In addition, there is an effect that the resistance is reduced so that the current applied to the actuator can be minimized.

Description

Active geometry controlled suspension system

1 is a perspective view showing an active geometry control suspension system according to the prior art,

2 is a perspective view showing an active geometry control suspension system according to an embodiment of the present invention;

2 is a perspective view of the control lever shown in FIG.

3 is an exploded perspective view of the control lever shown in FIG.

<Simple description of the code for the main part of the drawing>

50: actuator 51: operating rod

52: control lever 54: actuator

60: coupling means 62: pillow ball part

64: ball seat 65: socket

66: fastening ring 67: dust cover

The present invention relates to an active geometry control suspension system, and more particularly to an active geometry control suspension system that can improve the performance by making the rotation of the control lever easier.

The Active Geometry Controlled Suspension System (AGCS) is also commonly referred to as the Active Geometry Control Suspension System, which uses an electrically actuated actuator to change the geometry of the vehicle's rear suspension and consequently the amount of roll steering when turning. It refers to a system that functions to increase and improve vehicle handling performance, and is a device that actively controls the toe angle of the rear wheels of the vehicle when turning the vehicle to increase turning stability during driving.

1 is a perspective view of an active geometry control suspension system 2 according to the prior art.

Referring to FIG. 1, an active geometry control suspension system 2 according to the prior art includes an actuator 4 for linear movement, a control lever 8 connected to an operating rod 6 of the actuator 4, and It includes an assist arm 10 connected to the control lever 8 and moving.

The control lever 8 and the assist arm 10 are coupled to the hinge 20, and a rubber bush 22 is inserted between the control lever 8 and the assist arm 10 to support rotational movement. .

The active geometry control suspension system 2 configured as described above adjusts the amount of linear movement of the operating rod 6 of the actuator 4 according to the vehicle speed, the steering angle and the steering angle speed. In addition, the control lever 8 is rotated according to the linear movement of the operating rod 6, and the assist arm 10 moves according to the rotation of the control lever 8. According to the movement of the assist arm 10, the rotation of the knuckle 12 connected between the wheel and the assist arm is adjusted, thereby adjusting the toe angle of the wheel.

However, in the active geometry control suspension system 2 according to the prior art, the control lever 8 and the assist arm 10 are coupled to the hinge 20, and the rubber bush 22 supports the rotational movement. There is a limit to the rotational movement, and thereby there is a problem that there is a limit to the adjustment of the toe angle.

In addition, since the rubber bush 22 can only support the rotational movement in one direction about the hinge 20, the rubber bush 22 has a strong resistance when the motion occurs in the three-dimensional direction, and thus the actuator There is a problem that the operating current is excessively applied to (6).

SUMMARY OF THE INVENTION An object of the present invention is to provide an active geometry control suspension system which can more easily rotate the control lever and increase the amount of change in the toe angle.

The present invention provides an actuator, a control lever connected to the actuator, an assist arm moving by the control lever, and a cloud contact with one side of the control lever and the assist arm, and fixed to the other, the control lever and the An active geometry control suspension system is provided that includes engaging means for engaging an assist arm.

The coupling means may include a pillow ball part inserted into the control lever, and a ball sheet inserted into the control lever and in contact with the pillow ball part.

The coupling means may further include a fastening member penetrating the pillow ball part and fastened to the assist arm.

The coupling means may further include a socket inserted into the control lever and surrounding the pillow ball part and the ball seat.

The coupling means may further include a fastening ring for fastening and fixing the socket and the pillow ball part.

The coupling means may further include a dust cover provided at both ends of the pillow ball portion.

The pillow ball part may include a cylindrical part formed to penetrate the control lever, and a ball part formed in a ball shape on at least a portion of an outer circumferential surface of the cylindrical part.

The pillow ball part may be made of a metal material, and the ball sheet may be made of a plastic material.

A yoke portion may be provided at an end portion of the assist arm, and a boss portion coupled to the yoke portion by the coupling means may be formed at an end portion of the control lever.

The coupling means may further include a fastening bolt fastened through the yoke portion and the boss portion.

Hereinafter, exemplary embodiments of the present invention will be described with reference to the accompanying drawings.

2 is a perspective view showing an active geometry control suspension system according to an embodiment of the present invention, Figure 2 is a perspective view of the control lever shown in Figure 1, Figure 3 is an exploded perspective view of the control lever shown in FIG.

Referring to FIG. 2, an active geometry controlled suspension system (AGCS) according to an embodiment of the present invention includes an actuator 50, a control lever 52 connected to one side of the actuator 50, and the An assist arm 54 connected between the control lever 52 and the knuckle of the wheel, and in contact with one of the control lever 52 and the assist arm 54 and fixed to the other, the control lever 52 ) And a coupling means 60 for coupling the assist arm 54.

The actuator 50 is provided with an operating rod 51 that linearly moves by an electrical signal.

The control lever 52 has a lever yoke portion 52a formed at one side thereof so as to be coupled to the operation rod 51 of the actuator 50. The lever yoke portion 52a is fastened to the operating rod 51 of the actuator 50 by a fastening bolt 55. A fastening hole is formed in the lever yoke portion 52a, and a bearing 56 is inserted into the fastening hole.

In addition, the assist arm 54 is coupled to the other side of the control lever 52.

An arm yoke portion 54a is formed at an end of the assist arm 54, and a boss portion 52b coupled to the arm yoke portion 54a is formed at an end of the control lever 52. The boss portion 52b is coupled to the female yoke portion 54a by the coupling means 60.

3 and 4, the coupling means 60 is a pillow ball part 62 inserted into the boss part 52b and a pillow ball part 62 inserted into the boss part 52b. ) And a ball seat 64 in contact with the cloud, and a fastening member penetrating the pillow ball part 62 and fastened to the female yoke part 57.

The pillow ball part 62 may include a cylindrical part 62a formed to penetrate the boss part 52b of the control lever 52 and a ball part formed in a ball shape on at least a portion of an outer circumferential surface of the cylindrical part 62a. 62b). The cylindrical portion 62a and the ball portion 62b are integrally formed and may be made of a metal material.

The ball sheet 64 may be formed in a ring shape to correspond to the ball portion 62b and may be made of a plastic material.

In addition, a socket 65 formed to surround the pillow ball part 62 and the ball seat 64 is inserted into the boss part 52b. The socket 65 may be fastened to one end of the pillow ball part 62 by a fastening ring 66.

In addition, a dust cover 67 is inserted between both ends of the pillow part ball part 62 and both ends of the boss part 52b to prevent the inflow of dust. The dust cover 67 may be made of a rubber material.

Referring to FIG. 2, the fastening member penetrates through the cylindrical part 62a of the pillow ball part 62, and then is fastened to a fastening bolt 70 and a nut 71 fastened to a fastening hole formed in the female yoke part 54a. )to be.

On the other hand, referring to Figures 3 and 4, the other side of the control lever 52 is provided with a hinge coupled to the vehicle body. The hinge part includes a ball stud 73 inserted into a hinge hole 52c formed in the control lever 52, an oil seal 74, a bush 75, and a plug (c) provided at both ends of the ball stud 73. 76). The ball stud 73 is formed in a cylindrical shape, the ball portion 73a made of a ball shape on a portion of the outer circumference is provided. The ball seat 77 is inserted into the hinge hole 52c to be in contact with the ball portion 73a.

The operation of the active geometry control suspension system according to the embodiment of the present invention configured as described above is as follows.

First, the controller provided in the vehicle operates the actuator 50 according to the driving information such as the vehicle speed and the steering angle.

When the operating rod 51 of the actuator 50 moves straight, the control lever 52 is rotated to move the assist arm 54.

Accordingly, the rotation of the knuckle of the wheel may be adjusted according to the movement of the assist arm 54 so that the toe angle of the wheel may be adjusted.

On the other hand, the pillow ball part 62 rotates not only in the axial direction of the pillow ball part 62 but also in a direction perpendicular to the axis while rolling contact with the ball seat 64 inserted into the control lever 52 side. Can support exercise. Therefore, since the rotational movement can be made easier by the pillow ball part 62, the stroke of the actuator 50 can be increased.

In addition, since the pillow ball part 62 can support the rotational movement in the three-dimensional direction, the current applied to the actuator 50 can be reduced.

In the active geometry control suspension system according to the present invention, the coupling means for coupling the control lever and the assist arm is configured to make a rolling contact with the control lever, so that the rotational movement becomes easier and the stroke of the actuator can be increased, thereby improving performance. In addition, there is an effect that the resistance is reduced so that the current applied to the actuator can be minimized.

Claims (10)

An actuator; A control lever connected to the actuator; An assist arm which is moved by the control lever; Active geometry control suspension system comprising a coupling means for engaging the control lever and the assist arm in contact with one of the control lever and the assist arm fixed to the other. The method according to claim 1, And the coupling means includes a pillow ball part inserted into the control lever and a ball sheet inserted into the control lever and in contact with the pillow ball part. The method according to claim 2, The coupling means further comprises a fastening member penetrating the pillow ball portion and fixed to the assist arm. The method according to claim 2, The coupling means is inserted into the control lever active geometry control suspension system further comprises a socket surrounding the pillow ball and the ball seat. The method according to claim 4, The coupling means further comprises a fastening ring for fastening and fastening the socket and the pillow ball part active geometry control suspension system. The method according to claim 2, The coupling means further comprises a dust cover provided at both ends of the pillow ball portion active geometry control suspension system. The method according to claim 2, And the pillow ball part includes a cylindrical part formed to penetrate the control lever, and a ball part formed in a ball shape on at least a portion of an outer circumferential surface of the cylindrical part. The method according to claim 7, The pillow ball part is made of a metal material, the ball seat is an active geometry control suspension system made of a plastic material. The method according to claim 1, The yoke portion is provided at the end of the assist arm, and the boss portion coupled to the yoke portion by the coupling means is provided at the end of the control lever. The method according to claim 9, The coupling means further comprises a fastening bolt fastened through the yoke portion and the boss portion active geometry control suspension system.
KR1020070060670A 2007-06-20 2007-06-20 Active geometry controlled suspension system KR20080112004A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020070060670A KR20080112004A (en) 2007-06-20 2007-06-20 Active geometry controlled suspension system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020070060670A KR20080112004A (en) 2007-06-20 2007-06-20 Active geometry controlled suspension system

Publications (1)

Publication Number Publication Date
KR20080112004A true KR20080112004A (en) 2008-12-24

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020070060670A KR20080112004A (en) 2007-06-20 2007-06-20 Active geometry controlled suspension system

Country Status (1)

Country Link
KR (1) KR20080112004A (en)

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