KR20110057667A - Strut type suspension of vehicle - Google Patents

Strut type suspension of vehicle Download PDF

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Publication number
KR20110057667A
KR20110057667A KR1020090114157A KR20090114157A KR20110057667A KR 20110057667 A KR20110057667 A KR 20110057667A KR 1020090114157 A KR1020090114157 A KR 1020090114157A KR 20090114157 A KR20090114157 A KR 20090114157A KR 20110057667 A KR20110057667 A KR 20110057667A
Authority
KR
South Korea
Prior art keywords
strut
type suspension
strut rod
insulator bush
serration
Prior art date
Application number
KR1020090114157A
Other languages
Korean (ko)
Inventor
조영균
Original Assignee
현대자동차주식회사
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 현대자동차주식회사 filed Critical 현대자동차주식회사
Priority to KR1020090114157A priority Critical patent/KR20110057667A/en
Publication of KR20110057667A publication Critical patent/KR20110057667A/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G15/00—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type
    • B60G15/02—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type having mechanical spring
    • B60G15/06—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type having mechanical spring and fluid damper
    • B60G15/062—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type having mechanical spring and fluid damper the spring being arranged around the damper
    • 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
    • B60G2204/41—Elastic mounts, e.g. bushings
    • 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
    • B60G2206/80—Manufacturing procedures
    • B60G2206/82—Joining
    • B60G2206/8207—Joining by screwing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2600/00—Indexing codes relating to particular elements, systems or processes used on suspension systems or suspension control systems
    • B60G2600/44—Vibration noise suppression
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2306/00—Other features of vehicle sub-units
    • B60Y2306/09—Reducing noise
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
    • F16B39/00—Locking of screws, bolts or nuts
    • F16B39/02—Locking of screws, bolts or nuts in which the locking takes place after screwing down
    • F16B39/12—Locking of screws, bolts or nuts in which the locking takes place after screwing down by means of locknuts

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Vehicle Body Suspensions (AREA)

Abstract

In the strut-type suspension of a vehicle according to an exemplary embodiment of the present invention, the upper end of the strut rod of the shock absorber is fixed to the upper bracket through the insulator bush, and the upper bracket is fixed to the vehicle body, and the strut rod is fixed to the insulator bush. Coupled and fastened as a nut, the first serration is formed on the outer peripheral surface of the upper end of the strut rod, and the second serration is formed on the inner peripheral surface of the coupling hole of the insulator bush to engage the first serration.

Description

Strut type suspension system for vehicle {STRUT TYPE SUSPENSION OF VEHICLE}

An exemplary embodiment of the present invention relates to a suspension for an automobile, and more particularly to a strut-type suspension.

Suspension in a vehicle exists between a vehicle body and a wheel, and is a device that connects the two rigid bodies using one or more links. The suspension is supported by a spring and a hydraulic shock absorber in the up and down direction, and the other direction. By properly matching the high stiffness and flexibility, it performs the function of mechanically matching the relative movement between the body and the wheel.

Such suspension devices have been developed in various types and applied to automobiles, and a strut-type suspension device is mainly used as a front wheel suspension device of a passenger car.

Looking at the configuration of a typical strut-type suspension, the wheel carrier rotatably supporting the wheel is connected to the vehicle body through the lower control arm and the upper end is integrated with the strut assembly in which the coil spring and the shock absorber are integrally formed. Is formed.

The upper end of the strut assembly is suspended by an insulator, and a stabilizer is connected inside the middle of the shock absorber.

Accordingly, the vibration and shock input from the road surface is attenuated by the strut assembly to minimize the vibration and shock transmitted to the vehicle body.

Looking at the upper configuration of the strut-type suspension, as shown in Figure 3, the upper end of the strut rod (2) of the shock absorber (1) is fixed to the upper bracket (6) via the insulator bush (4), the upper bracket 6 is fixed to a vehicle body not shown.

The upper spring seat 7 is rotatably fixed to the lower portion of the outer circumferential side of the upper bracket 6 to support the upper portion of the coil spring 9.

Here, the strut rod 2 has an upper end thereof coupled to the insulator bush 4 as shown in FIG. 4, and a nut N is fastened to the upper end thereof, and the portion coupled to the insulator bush 4 forms a circumferential surface. The planar part 3 of a predetermined linear section is formed in the circumferential surface.

Similarly, the inner circumferential surface of the insulator bush 4 forms a circumferential surface and a planar portion 5 in a predetermined section corresponding to the engagement portion of the strut rod 2.

By the way, in the prior art, since the engaging portion of the strut rod 2 and the inner circumferential surface of the insulator bush 4 are in contact with each other and the strut rod 2 is coupled to the insulator bush 4, the strut rod 2 and the insulator bush are There is a lot of play between (4).

Therefore, in the related art, excessive wear of the insulator bush 4 occurs when the speed bumps and the rough road are driven due to the play between the strut rod 2 and the insulator bush 4, and the strut rod 2 and the insulator bush ( 4) joint vibration is generated due to the gap sound between the liver, and the nut (N) is loosened due to the rotation of the strut rod (2), and there is a problem that it does not absorb the gap caused by the shock of the shock absorber.

Therefore, an exemplary embodiment of the present invention has been created to improve the above problems, and provides a strut-type suspension of a vehicle to minimize the gap between them when assembling the strut rod and the insulator bush.

To this end, the strut-type suspension of a vehicle according to an exemplary embodiment of the present invention, the upper end of the strut rod of the shock absorber is fixed to the upper bracket via the insulator bush, the upper bracket is fixed to the vehicle body, the strut rod is insulator It is coupled to the bush and fastened as a nut, the first serration is formed on the outer peripheral surface of the upper end of the strut rod, and the second serration is formed on the inner peripheral surface of the coupling hole of the insulator bush to engage the first serration. do.

In the strut-type suspension of the vehicle, the first and second serrations may be in the form of a triangle.

According to the strut-type suspension of a vehicle according to the exemplary embodiment of the present invention as described above, since the first serration of the strut rod is engaged with the second serration of the insulator bush and the upper end of the strut rod is coupled to the insulator bush. In addition, the gap between the strut rod and the insulator bush can be minimized to prevent excessive wear of the insulator bush due to the speed bumps and driving on rough roads, and to reduce the joint vibration caused by the play between the strut rod and the insulator bush. In addition, the nut can be prevented from loosening due to the rotation of the strut rod, and the play caused by the shock of the shock absorber can be absorbed.

Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings so that those skilled in the art may easily implement the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.

In order to clearly describe the present invention, parts irrelevant to the description are omitted, and like reference numerals designate like elements throughout the specification.

In addition, since the size and thickness of each component shown in the drawings are arbitrarily shown for convenience of description, the present invention is not necessarily limited to those shown in the drawings.

1 is a cross-sectional configuration diagram schematically showing a strut-type suspension of a vehicle according to an exemplary embodiment of the present invention, Figure 2 is a strut applied to a strut-type suspension of a vehicle according to an exemplary embodiment of the present invention An exploded perspective view schematically showing a coupling structure of a rod and an insulator bush.

Referring to the drawings, the strut-type suspension device 100 of the vehicle according to the exemplary embodiment of the present invention is configured to attenuate the vibration and shock inputted from the road surface through the strut assembly to minimize the vibration and shock transmitted to the vehicle body. will be.

The strut-type suspension device 100 is basically, the upper end of the strut rod 15 of the shock absorber 10 is fixed to the upper bracket 23 via the insulator bush 21, and through the upper bracket 23. It is fixed to the vehicle body (not shown in the figure).

Here, the insulator bush 21 is vulcanized and bonded to the upper bracket 23, the upper end of the strut rod 15 is coupled, the nut (N) is fastened to the end of the strut rod (15).

The strut-type suspension device 100 of the vehicle according to the present embodiment minimizes the clearance between them when the strut rod 15 and the insulator bush 21 are assembled, and thus the insulator bush due to the clearance between the speed bump and the rough road. To prevent excessive wear of the 21, and to reduce the joint vibration caused by the play sound between the strut rod 15 and the insulator bush 21, as well as the nut (N) according to the rotation of the strut rod 15 It is made as a structure which can prevent loosening and can absorb the play by the shock of the shock absorber 10.

To this end, the strut-type suspension device 100 according to the present embodiment has a first serration (ie, an upper end portion of the strut rod 15 fitted to the insulator bush 21, that is, the lower outer peripheral surface of the portion where the nut N is coupled). 31).

In addition, a second serration 41 is formed on the inner circumferential surface of the insulator bush 21 to which the strut rod 15 is fitted to engage with the first serration 31 of the strut rod 15.

Here, the first and second serrations 31 and 41 are formed as sawtooth-shaped longitudinal grooves, preferably in the form of a triangle.

Therefore, according to the strut-type suspension device 100 of the vehicle according to the exemplary embodiment of the present invention configured as described above, the upper end of the strut rod 15 is coupled to the insulator bush 21, the strut rod 15 The first serration 31 of is engaged with the second serration 41 of the insulator bush 21 is coupled.

Then, the nut (N) is fastened to the end of the strut rod 15 protruding upward while engaging the insulator bush 21.

Thus, in this embodiment, the first serration 31 of the strut rod 15 is engaged with the second serration 41 of the insulator bush 21, and the upper end of the strut rod 15 is connected to the insulator bush 21. Since it is combined, the play between the strut rod 15 and the insulator bush 21 is minimized to prevent excessive wear of the insulator bush 21 due to the play of the speed bumps and rough roads, and the strut rod 15 and the insulator Not only can the vibration of the joints caused by the clearance sound between the bushes 21 be reduced, but also the loosening of the nut N due to the rotation of the strut rod 15 can be prevented, and the shock caused by the shock of the shock absorber 10 is absorbed. You can do it.

Although the preferred embodiments of the present invention have been described above, the present invention is not limited thereto, and various modifications and changes can be made within the scope of the claims and the detailed description of the invention and the accompanying drawings. Naturally, it belongs to the scope of the invention.

Since these drawings are for reference in describing exemplary embodiments of the present invention, the technical idea of the present invention should not be construed as being limited to the accompanying drawings.

1 is a schematic cross-sectional view of a strut-type suspension of a vehicle according to an exemplary embodiment of the present invention.

2 is an exploded perspective view schematically illustrating a coupling structure of a strut rod and an insulator bush applied to a strut-type suspension of a vehicle according to an exemplary embodiment of the present invention.

Figure 3 is a schematic cross-sectional view showing a strut-type suspension of a vehicle according to the prior art.

4 is an exploded perspective view schematically illustrating a coupling structure of a strut rod and an insulator bush applied to a strut-type suspension of a vehicle according to the prior art.

Claims (2)

상단 In a strut-type suspension of an automobile in which an upper end of a strut rod of an absorber is fixed to an upper bracket through an insulator bush, the upper bracket is fixed to a vehicle body, and the strut rod is coupled to an insulator bush and fastened as a nut. A first serration is formed on the outer circumferential surface of the upper end of the strut rod, and a second serration is formed on the inner circumferential surface of the coupling hole of the insulator bush to engage with the first serration. According to claim 1, The first and second serrations are strut-type suspension of a vehicle, characterized in that the triangular teeth form.
KR1020090114157A 2009-11-24 2009-11-24 Strut type suspension of vehicle KR20110057667A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020090114157A KR20110057667A (en) 2009-11-24 2009-11-24 Strut type suspension of vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020090114157A KR20110057667A (en) 2009-11-24 2009-11-24 Strut type suspension of vehicle

Publications (1)

Publication Number Publication Date
KR20110057667A true KR20110057667A (en) 2011-06-01

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Family Applications (1)

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KR1020090114157A KR20110057667A (en) 2009-11-24 2009-11-24 Strut type suspension of vehicle

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8833775B2 (en) 2012-12-26 2014-09-16 Hyundai Motor Company Electronic control suspension system for vehicles
US8844943B2 (en) 2012-12-17 2014-09-30 Hyundai Motor Company Electronic control suspension system for vehicles
KR20180091583A (en) * 2017-02-07 2018-08-16 현대모비스 주식회사 Suspension apparatus for vehicle

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8844943B2 (en) 2012-12-17 2014-09-30 Hyundai Motor Company Electronic control suspension system for vehicles
US8833775B2 (en) 2012-12-26 2014-09-16 Hyundai Motor Company Electronic control suspension system for vehicles
KR20180091583A (en) * 2017-02-07 2018-08-16 현대모비스 주식회사 Suspension apparatus for vehicle

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E601 Decision to refuse application