KR20110139608A - Shock absorber mount unit for suspension of vehicle - Google Patents

Shock absorber mount unit for suspension of vehicle Download PDF

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Publication number
KR20110139608A
KR20110139608A KR1020100059778A KR20100059778A KR20110139608A KR 20110139608 A KR20110139608 A KR 20110139608A KR 1020100059778 A KR1020100059778 A KR 1020100059778A KR 20100059778 A KR20100059778 A KR 20100059778A KR 20110139608 A KR20110139608 A KR 20110139608A
Authority
KR
South Korea
Prior art keywords
bush
eye
shock absorber
mounting
vehicle
Prior art date
Application number
KR1020100059778A
Other languages
Korean (ko)
Inventor
김정호
이해성
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 KR1020100059778A priority Critical patent/KR20110139608A/en
Publication of KR20110139608A publication Critical patent/KR20110139608A/en

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G13/00—Resilient suspensions characterised by arrangement, location or type of vibration dampers
    • B60G13/02—Resilient suspensions characterised by arrangement, location or type of vibration dampers having dampers dissipating energy, e.g. frictionally
    • B60G13/04—Resilient suspensions characterised by arrangement, location or type of vibration dampers having dampers dissipating energy, e.g. frictionally mechanically, e.g. having frictionally-engaging springs as damping elements
    • 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
    • B60G15/04—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type having mechanical spring and mechanical damper or dynamic damper
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G3/00—Resilient suspensions for a single wheel
    • B60G3/02—Resilient suspensions for a single wheel with a single pivoted arm
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2200/00—Indexing codes relating to suspension types
    • B60G2200/10—Independent suspensions
    • B60G2200/18—Multilink suspensions, e.g. elastokinematic arrangements
    • 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
    • B60G2206/012—Hollow or tubular elements
    • 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
    • B60G2206/017—Constructional features of suspension elements, e.g. arms, dampers, springs forming an eye for the bushing
    • 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

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

Abstract

The shock absorber mounting unit of the vehicle suspension apparatus according to the exemplary embodiment of the present invention is provided with a shock absorber including an upper eye-bush and a lower eye-bush, and the upper eye-bush is connected to the side member side of the vehicle body. And the lower eye-bush is connected to the wheel carrier, and is provided with a mounting bracket surrounding the upper eye-bush and mounted to the side of the side member, wherein the mount bracket is coupled to the upper eye-bush through a mounting bolt. And the upper eye-bush is coupled to the side of the side member through the mounting bolt passing through the mounting bracket.

Description

Shock Absorber Mounting Unit for Vehicle Suspension {SHOCK ABSORBER MOUNT UNIT FOR SUSPENSION OF VEHICLE}

An exemplary embodiment of the present invention relates to a suspension of an automobile, and more particularly, to a shock absorber mounting unit of an EYE-EYE bush type applicable to a multi-link suspension.

In general, the suspension of the vehicle exists between the vehicle body and the wheel, and is a device that connects the two rigid bodies using one or more links, supported by the spring and shock absorbers in the vertical direction, and in other directions By appropriately matching the high stiffness and flexibility, it performs the function of mechanically matching the relative movement between the body and the wheel.

The suspension system effectively blocks irregular input of the road surface generated while driving the vehicle, providing a comfortable ride to the occupant, and provides driving convenience by appropriately controlling the shaking of the vehicle body caused by the driver's driving behavior and the curvature of the road surface. In the case of driving on irregular roads, the vertical load on the tire ground surface should be maintained at an appropriate level to satisfy the basic conditions of ensuring the maneuverability and stability of the vehicle during turning and braking.

The suspension is classified into a front wheel suspension and a rear wheel suspension. Among these, the rear wheel suspension may be a multi-link suspension that is coupled to a plurality of links.

The multi-link suspension includes a shock absorber configured to attenuate / absorb the vertical vibration input from the wheel to minimize the transmission of the vertical vibration to the vehicle body. The shock absorber is an insulator type according to the mounting structure for the vehicle body. And EYE-EYE bush types.

In the former insulator type shock absorber, the mounting bush is fastened to the bottom of the vehicle body. In the latter eye-eye bush type shock absorber, the mounting bush is fastened to the side of the vehicle body.

Meanwhile, in order to prevent the shock absorber from invading into the three-row seat space on the layout, the general three-row seat vehicle employs an eye-eye bush type shock absorber rather than an insulator-type shock absorber.

However, in the prior art, the eye-eye bush type shock absorber is mounted on the side of the vehicle body as a cantilever mounting structure. When a load is applied to the shock absorber through the vehicle body, the support point of the shock absorber on the vehicle body is affected by the moment. Since it is received, the NVH performance and durability are impaired by the moment load input through the shock absorber.

Exemplary embodiments of the present invention have been created to improve the above problems, and can distribute the moment load input to the support point of the shock absorber, and increase the rigidity of the shock absorber's input point to improve NVH performance and To provide a shock absorber mounting unit for a vehicle suspension to further improve durability.

To this end, the shock absorber mounting unit of the vehicle suspension apparatus according to the exemplary embodiment of the present invention is provided with a shock absorber including an upper eye-bush and a lower eye-bush, and the upper eye-bush is a side member side of the vehicle body. A mounting bracket connected to the lower eye-bush, the lower eye-bush being connected to a wheel carrier, the upper eye-bush surrounding the upper eye-bush and mounted to a side of the side member, the mount bracket being mounted to the upper eye-bush through a mounting bolt. It is coupled to, the upper eye-bush is characterized in that coupled to the side of the side member through the mounting bolt passing through the mounting bracket.

In the shock absorber mounting unit of the vehicle suspension device, the upper eye-bush includes an outer pipe, an inner pipe disposed inside the outer pipe, and a rubber bush formed between the outer pipe and the inner pipe. Can be.

In the shock absorber mounting unit of the vehicle suspension device, the mount bolt may be fastened to the side surface of the side member through the fastening hole formed in the mounting bracket and the hollow of the inner pipe.

According to the shock absorber mounting unit of the vehicle suspension according to the exemplary embodiment of the present invention as described above, by additionally mounting the mounting bracket to the support of the upper eye-bush, the upper eye due to the cantilever mounting structure of the shock absorber -Moment loads input to the support points of the bush can be distributed through the mounting bracket, thereby further improving NVH performance and durability by increasing the rigidity of the upper eye-bush input point.

These drawings are for the purpose of describing an exemplary embodiment of the present invention, and therefore the technical idea of the present invention should not be construed as being limited to the accompanying drawings.
1 is a perspective view showing a shock absorber mounting unit of a vehicle suspension according to an exemplary embodiment of the present invention.
2 is a partially exploded perspective view of FIG. 1.
3 is a partial cross-sectional view of FIG. 2.
4A and 4B are graphs for explaining an operation effect of the shock absorber mounting unit of the vehicle suspension apparatus according to the exemplary embodiment of the present invention.

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, and is shown by enlarging the thickness in order to clearly express various parts and regions. It was.

1 is a perspective view showing a shock absorber mounting unit of a vehicle suspension apparatus according to an exemplary embodiment of the present invention, Figure 2 is a partially exploded perspective view of Figure 1, Figure 3 is a partial cross-sectional view of FIG.

Referring to the drawings, the shock absorber mounting unit 100 of a vehicle suspension apparatus according to an exemplary embodiment of the present invention is a multi-link type coupled to a plurality of links in the rear wheel suspension of a vehicle, for example, applying a three-row seat. It can be applied to the suspension of.

The multi-link suspension is provided with a trailing arm 3 which is integrally fixed to the wheel carrier 1, and the lower arm 5 of the wheel carrier 1 is disposed in the vehicle width direction. The upper portion is connected to the vehicle body by an upper arm 7 arranged in the vehicle width direction.

And, on the lower arm 5, the shock absorber 10 and the spring (not shown) are disposed with a vertical or proper inclination in a separated state. The shock absorber 10 and the spring have a function of minimizing the transmission of the vertical vibration to the vehicle body by attenuating / buffing the vertical vibration input from the wheel.

In this case, the shock absorber 10 and the spring are arranged with respect to the wheel center according to the arrangement position of the lower arm 5, so that the up and down behavior of the wheel is finely offset while the wheel moment is canceled. Make it happen.

In the present embodiment, the shock absorber 10 is made of an EYE-EYE bush type, and is basically provided with a piston rod and an oil cylinder, and an upper eye-bush 11 is installed at an upper end, and a lower end. The lower eye-bush 12 is made of a structure that is installed.

In the above description, the shock absorber of the eye-eye bush type is relative to the shock absorber of the conventional insulator type in which the mounting bush is fastened to the bottom of the vehicle body, and may be defined as a type in which the mounting bush is fastened to the side of the vehicle body.

In the present embodiment, the shock absorber 10 is configured as an eye-eye type. When the shock absorber of the above-described insulator type is applied to a three-row seat vehicle, the shock absorber is a three-row seat on the lay out. In order to secure the space of the 3rd row seat | seat by fastening a mounting bush to the side of a vehicle body because it invades into a space.

Here, the upper eye-bush 11 is connected to the underbody of the vehicle body, i.e., to the side of the side member 9, via a mounting bolt MB, which will be described later, and the lower eye-bush 12 is mentioned. Connected to the underside of the wheel carrier 1.

The upper eye-bush 11 has an outer pipe 16, an inner pipe 17 disposed inside the outer pipe 16, and a rubber bush formed between the outer pipe 16 and the inner pipe 17. 18, including.

Since the lower eye-bush 12 has the same configuration as the upper eye-bush 11, a more detailed description of the configuration will be omitted.

 Meanwhile, the shock absorber mounting unit 100 of the vehicle suspension apparatus according to the exemplary embodiment of the present invention disperses the load input to the support point of the upper eye-bush 11, that is, the side of the side member 9. It further includes a mounting bracket 50 that can increase the rigidity of the input point of the bush (11).

In this embodiment, the mounting bracket 50 surrounds the upper eye-bush 11 of the shock absorber 10 and is mounted on the side of the side member 9.

The mounting bracket 50 has a surface corresponding to the side of the side member 9 is opened, the lower end is formed in the form of a cover, the upper eye-bush 11 through the mounting bolt (MB) mentioned above ) Is combined.

Here, the upper eye-bush 11 is coupled to the side of the side member 9 through a mounting bolt MB passing through the mounting bracket 50. In addition, the mounting bracket 50 forms a fastening hole 51 through which the mounting bolt MB can pass.

In this case, the mount bolt MB may pass through the fastening hole 51 of the mounting bracket 50 and the inner pipe 17 of the upper eye-bush 11 and be fastened to the side of the side member 9. have.

Accordingly, according to the shock absorber mounting unit 100 of the vehicle suspension apparatus according to the exemplary embodiment of the present invention configured as described above, the shock absorber 10 of the eye-eye bush type is attenuated by the vertical vibration input from the wheel. And by buffering it can be minimized that the vertical vibration is transmitted to the vehicle body.

In addition, in this embodiment, as the mounting bracket 50 is additionally mounted to the support of the upper eye-bush 11 in the shock absorber 10, the upper eye-bush due to the cantilever mounting structure of the shock absorber 10. The moment load input to the support point of (11) can be distributed through the mounting bracket 50, which causes the rigidity of the upper eye-bush 11 to the input point of about 400kgf / mm to about 1400kgf / mm at about 1000kgf / mm. Increasing mm can further improve NVH performance and durability.

That is, in the present embodiment, it can be seen that the acoustic sensitivity of the front and rear seats is significantly improved, unlike the prior art as shown in FIG. 4A.

In addition, in the present embodiment, as shown in the load noise evaluation result of FIG. 4B, it can be seen that the vibration of the input eye Z of the upper eye-bush 11 in the region of 200 Hz or more and the rear-side load noise vibration in the same region are reduced.

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.

10 ... Shock Absorber 11 ... Top Eye-Bush
12 ... lower eye-bush 50 ... mounting bracket
51 ... Tightening hole MB ... Mount bolt

Claims (3)

Shock absorber comprising a top eye-bush and a bottom eye-bush, wherein the top eye-bush is connected to the side member side of the vehicle body and the bottom eye-bush is connected to a wheel carrier. In the mounting unit,
It is provided with a mounting bracket surrounding the upper eye-bush mounted to the side of the side member,
The mount bracket is coupled to the upper eye-bush through a mount bolt,
The upper eye-bushing shock absorber mounting unit of the vehicle suspension, characterized in that coupled to the side of the side member through the mounting bolt passing through the mounting bracket. The method according to claim 1,
The upper eye-bushing shock absorber mounting unit of the vehicle suspension, characterized in that it comprises an outer pipe, an inner pipe disposed inside the outer pipe, and a rubber bush formed between the outer pipe and the inner pipe. . The method of claim 2,
The mount bolt,
Shock absorber mounting unit of the vehicle suspension system, characterized in that the fastening hole formed in the mounting bracket and the hollow of the inner pipe is fastened to the side of the side member.
KR1020100059778A 2010-06-23 2010-06-23 Shock absorber mount unit for suspension of vehicle KR20110139608A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020100059778A KR20110139608A (en) 2010-06-23 2010-06-23 Shock absorber mount unit for suspension of vehicle

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020100059778A KR20110139608A (en) 2010-06-23 2010-06-23 Shock absorber mount unit for suspension of vehicle

Publications (1)

Publication Number Publication Date
KR20110139608A true KR20110139608A (en) 2011-12-29

Family

ID=45505070

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020100059778A KR20110139608A (en) 2010-06-23 2010-06-23 Shock absorber mount unit for suspension of vehicle

Country Status (1)

Country Link
KR (1) KR20110139608A (en)

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