KR20140120452A - Suspension bearing modules - Google Patents

Suspension bearing modules Download PDF

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Publication number
KR20140120452A
KR20140120452A KR1020130036121A KR20130036121A KR20140120452A KR 20140120452 A KR20140120452 A KR 20140120452A KR 1020130036121 A KR1020130036121 A KR 1020130036121A KR 20130036121 A KR20130036121 A KR 20130036121A KR 20140120452 A KR20140120452 A KR 20140120452A
Authority
KR
South Korea
Prior art keywords
shock absorber
bearing
spring
mounting flange
insulator
Prior art date
Application number
KR1020130036121A
Other languages
Korean (ko)
Inventor
윤영동
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 KR1020130036121A priority Critical patent/KR20140120452A/en
Publication of KR20140120452A publication Critical patent/KR20140120452A/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
    • 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
    • B60G15/07—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 damper being connected to the stub axle and 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
    • B60G2204/418—Bearings, e.g. ball or roller bearings
    • 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
    • B60G—VEHICLE SUSPENSION ARRANGEMENTS
    • B60G2800/00—Indexing codes relating to the type of movement or to the condition of the vehicle and to the end result to be achieved by the control action
    • B60G2800/22—Braking, stopping
    • B60G2800/222—Braking, stopping during collision
    • 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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2326/00—Articles relating to transporting
    • F16C2326/01—Parts of vehicles in general
    • F16C2326/05—Vehicle suspensions, e.g. bearings, pivots or connecting rods used therein
    • 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
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/30—Parts of ball or roller bearings
    • F16C33/32—Balls
    • 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
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F9/00—Springs, vibration-dampers, shock-absorbers, or similarly-constructed movement-dampers using a fluid or the equivalent as damping medium
    • F16F9/32—Details
    • F16F9/3207—Constructional features

Abstract

Disclosed is a suspension bearing module which prevents buffering force delivered from a shock absorber from being transmitted to a bearing by including an upper part which is formed to cover the upper side of a shock absorber piston rod, receives buffering force from the shock absorber on the bottom thereof, has an installation flange along the outer periphery thereof, and receives buffering force from a spring on the bottom of the installation flange; the installation flange of the upper part; a bearing coupled to the bottom; and a lower part which is provided to the bottom of the installation flange, covers the bearing with the installation flange, is coupled to the spring on the bottom, and delivers buffering force from the spring to the upper part and the bearing.

Description

SUSPENSION BEARING MODULES [0002]

The present invention relates to a suspension bearing module constituting a mounting structure of a strut such that the strut of the suspension is rotated in accordance with the steering.

The suspension of a vehicle is an important component that provides a comfortable ride to a driver by buffering an impact so that an impact from a road surface generated during driving is not directly transmitted to the vehicle body. The suspension is variously applied according to a method of coupling to a vehicle body or a buffering method. Many types of struts are applied to vehicles.

Such a suspension must be fixed to the vehicle body so that the shock absorber can be rotated according to the steering operation of the driver. In the shock absorber, a bearing is provided for smooth steering operation.

The strut mounting structure for this purpose will be described in detail. One side of the strut is fixed to the vehicle body, the other side is connected to the wheel through the knuckle, and the steering wheel is rotated together with the knuckle. The vehicle includes a shock absorber that absorbs impact transmitted from the road surface, and a strut mount is mounted for fixing the vehicle to the vehicle body.

In the strut mount, the upper side of the shock absorber piston rod is fixed to the vehicle body through the insulator, and the bearing module is provided to the lower side of the insulator, which is connected to and supported by the spring.

Through such a structure, the impact transmitted from the road surface when the vehicle is traveling is buffered by the shock absorber and the spring in the axial direction by translational motion and rotational motion.

Such a strut mounting structure has a problem in that the impact transmitted from the road surface is transmitted to the bearings through the shock absorber and the spring, thereby reducing the durability and the performance of the bearings.

In addition, a bump stopper installed on the piston rod of the shock absorber for absorbing the shock transmitted through the shock absorber is installed on the piston rod. Since the bump stopper is not fixed, the piston rod of the shock absorber slips, There is a problem that noise is generated while colliding with the bearing module.

Therefore, there is a need for a technique capable of increasing the durability of the bearing by reducing the impact on the road surface transmitted to the bearing, and fixing the bump stopper to the bearing module.

US 6948728 B2

SUMMARY OF THE INVENTION It is an object of the present invention to provide a suspension bearing module capable of reducing the impact from a road surface transmitted to a bearing to increase the durability of the bearing.

In order to achieve the above object, the suspension bearing module according to the present invention is provided so as to surround the upper side of the piston rod of the shock absorber. The lower end receives buffering force from the shock absorber and the mounting flange is formed along the outer circumference, An upper part receiving the buffering force by the upper part; A bearing coupled to a lower end of the mounting flange of the upper part; And a lower part which is provided at the lower end of the mounting flange and surrounds the bearing together with the mounting flange and is connected to a spring at a lower end part and transmits a buffering force by a spring to the upper part and the bearing, whereby buffer force transmitted from the shock absorber is transmitted to the bearing .

And a bump stopper disposed on the piston rod of the shock absorber located below the upper part and transmitting the buffering force of the shock absorber to the upper part.

The inner circumferential surface of the upper part and the outer circumferential surface of the bump stopper may be formed with engaging structures composed of engaging projections or engaging grooves corresponding to each other.

And an insulator, which surrounds the piston rod of the shock absorber and is coupled to the vehicle body and has a center portion surrounding the piston rod of the shock absorber. The upper portion includes an installation flange formed at an upper end thereof, So that the insulator can be inserted into the mounting flange.

A protruded central portion of the insulator can be inserted and supported by forming a step along the circumference of the recessed space at the upper end of the upper part.

The upper part of the lower part supports the bearing and contacts the mounting flange of the upper part, and the lower part extends downward so as to surround the circumferential surface of the upper part.

The suspension bearing module constructed as described above can prevent the impact transmitted from the road surface from being transmitted to the bearings through the shock absorber and the spring, thereby increasing the durability of the bearings.

In addition, by fixing the bump stopper provided on the lower side of the bearing module so as not to slip along the piston rod of the shock absorber, it is possible to prevent the noise caused by the collision between the bump stopper and the upper part in the buffer operation of the shock absorber.

1 illustrates a suspension bearing module according to an embodiment of the present invention.
2 is a view showing an assembled state of the suspension bearing module shown in Fig. 1 of the present invention. Fig.

Hereinafter, a suspension bearing module according to a preferred embodiment of the present invention will be described with reference to the accompanying drawings.

FIG. 1 is a view showing a suspension bearing module according to an embodiment of the present invention, and FIG. 2 is a view showing an assembled state of the suspension bearing module shown in FIG. 1 of the present invention.

The suspension bearing module M of the present invention is provided so as to surround the upper side of the piston rod 10 of the shock absorber A. The lower end portion receives buffering force from the cylinder 20 of the shock absorber A, An upper part 100 formed with a mounting flange 120 and receiving buffer force by a spring S to the lower side of the mounting flange 120; A bearing 200 coupled to a lower end of the mounting flange 120 of the upper part 100; And a spring S provided at a lower end of the mounting flange 120 so as to surround the bearing 200 together with the mounting flange 120 and connected to a lower end of the mounting flange 120. The buffering force of the spring S is transmitted to the upper part 100 and the bearing 200 so that the buffer force transmitted from the shock absorber A is not transmitted to the bearing 200. [

Here, a spring pad 320 made of a rubber material may be added between the lower part 300 and the spring S for smooth contact. The spring pad 320 can prevent abrasion and breakage due to the contact between the lower part 300 and the spring S and can make the center of the shock absorber A coincide with the center of the spring S , And NVH can be reduced. In addition, a frictional force is secured between the spring S and the lower part 300 so that the lower part 300 is simultaneously rotated during the rotation of the spring according to the steering, so that the rotation of the bearing 200 can be smoothly operated.

The bearing module M of the present invention is configured to surround the upper side of the piston rod 10 of the shock absorber A and the bearing 200 is provided between the upper part 100 and the lower part 300 .

More specifically, the upper part 100 of the bearing module M is provided to surround the piston rod 10 of the shock absorber A, and the lower end portion of the shock absorber A is provided with a buffering force And a mounting flange 120 is formed along the outer circumference to receive the buffering force of the spring S toward the lower side of the mounting flange 120. That is, the upper part 100 receives the shock transmitted from the road surface through both the shock absorber A and the spring S.

2, the lower part 300 of the bearing module M is provided below the mounting flange 120 of the upper part 100 and surrounds the bearing 200 together with the mounting flange 120, And is smoothly rotated in accordance with the steering operation of the vehicle. The lower part 300 of this configuration receives only the impact transmitted through the spring S.

A spring pad 320 may be provided between the lower end of the lower part 300 and the spring S so that the spring S can be seated on the lower part 300 and noise is prevented will be.

The bearing module M including the upper part 100 and the lower part 300 may be made of a plastic material and the spring part 320 may be formed of a plastic material, (S) can be constituted of a high rigidity of an iron series. When the bearing module M and the spring S come into direct contact with each other, the spring S rotated by the steering operation can damage the bearing module M. [

In addition, in the case of the bearing module M made of a plastic series having a smooth surface, the contact state with the spring S is not fixed, so that the axial center of the spring S and the axial center of the shock absorber A are spaced apart .

Therefore, by providing a spring pad 320 made of rubber between the lower part 300 of the bearing module M and the spring S, it is possible to protect the lower part 300 from being damaged by the spring S, It is possible to prevent the lower part 300 and the spring S from deviating from the center of the axis of the spring S and the shock absorber A by the steering rotation.

In the bearing module M of the present invention having the above structure, only the buffering force transmitted through the spring S among the buffering force transmitted through the shock absorber A and the spring S is transmitted to the bearing 200, Durability and performance can be improved by eliminating the entire transmitted shock from the shock absorber A and the spring 200 to the bearing 200. [

The bumper stopper 400 is disposed below the upper part 100 and is mounted on the piston rod 10 of the shock absorber A and transfers the buffering force of the shock absorber A to the upper part 100. [ And the upper part 100 may be formed so that the bump stopper 400 is inserted into the lower end of the upper part 100 to be inserted therein.

The bump stopper 400 of the present invention is provided between the upper part 100 of the bearing module M and the cylinder 20 of the shock absorber A so that when a large impact is transmitted to the shock absorber A, Between the lower end of the shock absorber (100) and the upper end surface of the cylinder (20) of the shock absorber (A) to buffer the impact transmitted from the road surface. In addition, when the vehicle is subjected to an excessive impact from the road surface, the shock absorber A is prevented from compressing beyond the limit, thereby preventing the shock absorber A from being damaged.

The conventional bump stopper is disposed under the bearing module M and is transferred directly to the bearing module M by receiving the buffering force of the shock absorber A. In the present invention, the buffering force transmitted through the bump stopper 400 is transmitted to the upper part So that the impact transmitted through the bump stopper 400 is not applied to the bearing 200. [

Here, the inner circumferential surface of the upper part 100 and the outer circumferential surface of the bump stopper 400 may be formed with a latching protrusion 140 or a latching groove 420, which correspond to each other.

When the bump stopper 400 is fitted to the upper part 100 of the bearing module M through the engagement structure, the engagement protrusion 140 and the engagement groove 420 are engaged with each other to thereby secure the bump stopper 400 to the upper part 100 ). The bumper stopper 400 is slid along the piston rod 10 so that the shock to the cylinder 20 or the bearing module M of the shock absorber A causes noise The problem that occurs can be solved.

The insulator 500 may include a central portion 520 that surrounds the piston rod 10 of the shock absorber A and is coupled to the vehicle body and surrounds the piston rod 10 of the shock absorber A. [ A mounting flange 120 is formed at an upper end of the upper part 100 of the bearing module M and a protruding central portion of the insulator 500 is inserted into the upper end of the upper flange 120 The insulator 500 can be inserted into the upper part 100 of the diving module M by inserting the recessed space into which the insulator 500 can be inserted.

In addition, a protrusion 160 is formed along the periphery of the recessed space at the upper end of the upper part 100, so that the protruded central part 520 of the insulator 500 can be inserted and supported.

The insulator 500 is connected to the vehicle body while surrounding the piston rod 10 of the shock absorber A and is connected to the shock absorber A A central portion 520 surrounding the piston rod 10 of the bearing module M is formed and connected to the upper part 100 of the bearing module M. [ Here, the mounting flange 120 formed on the upper part 100 is formed at the upper end of the upper part 100 and is brought into contact with the lower end of the insulator 500 to be connected. The upper part 100 is formed with a recessed space into which the central part 520 of the insulator 500 can be inserted into the mounting flange 120 so that the protruded central part 520 of the insulator 500 is separated from the upper part 100. [ The insertion force of the insulator 500 and the upper part 100 can be further increased. Therefore, it is possible to prevent the joint portion between the insulator 500 and the upper part 100 from being worn or damaged by the vibration generated during operation, thereby improving the service life.

The central portion 520 of the insulator 500 may have a hollow that can be engaged with the piston rod 10 of the shock absorber A to smoothly absorb the buffer force transmitted from the shock absorber A Structure. ≪ / RTI >

A jaw 160 is formed along the periphery of the recessed space at the upper end of the upper part 100 so that the central part 520 of the insulator 500 is inserted and supported. The insulator 500 is installed to prevent direct contact between the shock absorber A and the vehicle body and absorb vibration generated during traveling. Although the engagement of the insulator 500 with the vehicle body is also important, the engagement state of the shock absorber A and the bearing module M is also important in order to absorb the vibration transmitted from the shock absorber A. [

The upper portion 100 of the bearing module M is formed with the jaws 160 along the periphery of the recessed space into which the central portion 520 of the insulator 500 is inserted, The upper part 100 of the shock absorber A may increase the contact portion so that the insulator 500 absorbs vibration transmitted through the shock absorber A. [

The upper part of the lower part 300 supports the bearing 200 and comes into contact with the mounting flange 120 of the upper part 100 and the lower end of the lower part 300 extends downward, Can be formed.

This structure allows the lower part 300 of the bearing module M to increase the engagement with the spring S and more preferably to increase the engagement with the spring pad 320 when the spring pad 320 is provided The lower part 300 can be flexibly rotated around the upper part 100 during steering operation of the vehicle.

However, it is preferable that the length of the lower part 300 extending downward from the lower end is longer than the length of the spring pad 320 so that the spring pad 320 completely contacts the lower part 300 to improve the bonding force something to do.

While the present invention has been particularly shown and described with reference to specific embodiments thereof, it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the following claims It will be apparent to those of ordinary skill in the art.

100: upper part 200: bearing
300: Lower part 400: Bump stopper
500: Insulator

Claims (6)

An upper part which is provided to surround the upper side of the piston rod of the shock absorber and receives a buffering force from the shock absorber at a lower end thereof and has a mounting flange formed along the outer circumference thereof to receive a buffering force by a spring to the lower side of the mounting flange;
A bearing coupled to a lower end of the mounting flange of the upper part; And
And a lower part which is provided at a lower end of the mounting flange and surrounds the bearing together with the mounting flange and is connected to a spring at a lower end thereof and transmits a buffering force by a spring to the upper part and the bearing, whereby buffer force transmitted from the shock absorber is transmitted to the bearing Suspension bearing module to prevent. The method according to claim 1,
Further comprising a bump stopper disposed below the upper part and disposed on the piston rod of the shock absorber and transmitting the buffering force of the shock absorber to the upper part. The method of claim 2,
Wherein an engagement structure is formed in the inner peripheral surface of the upper part and the outer peripheral surface of the bump stopper, wherein the engagement structure is composed of engagement protrusions or engagement grooves corresponding to each other. The method according to claim 1,
And an insulator that surrounds the piston rod of the shock absorber and is coupled to the vehicle body and has a central portion that surrounds the piston rod of the shock absorber,
Wherein the upper part is formed with an installation flange at the upper end thereof and the upper end of the upper part is formed with a recessed space into which the protruded central part of the insulator can be inserted into the mounting flange so that the insulator is inserted into the installation flange. Suspension bearing module. The method of claim 4,
And a protruded central portion of the insulator is inserted and supported by forming a step along the circumference of the recessed space at the upper end of the upper part. The method according to claim 1,
Wherein the upper part supports the bearing and contacts the mounting flange of the upper part and the lower part extends downward to surround the circumferential surface of the upper part.
KR1020130036121A 2013-04-03 2013-04-03 Suspension bearing modules KR20140120452A (en)

Priority Applications (1)

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Application Number Priority Date Filing Date Title
KR1020130036121A KR20140120452A (en) 2013-04-03 2013-04-03 Suspension bearing modules

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018199711A1 (en) * 2017-04-28 2018-11-01 주식회사 일진 Top mount assembly and manufacturing method therefor
KR20200001330A (en) 2018-06-27 2020-01-06 셰플러코리아(유) A Strut Bearing For Suspension
KR102063533B1 (en) 2018-09-19 2020-01-08 셰플러코리아(유) A Strut Bearing For Suspension
KR20200012513A (en) 2018-07-27 2020-02-05 셰플러코리아(유) A Strut Bearing For Suspension
KR20200033219A (en) 2019-12-20 2020-03-27 셰플러코리아(유) A Strut Bearing For Suspension
KR102250266B1 (en) 2019-12-23 2021-05-07 셰플러코리아 유한책임회사 A Strut Bearing For Suspension
KR20220071464A (en) 2020-11-24 2022-05-31 셰플러코리아 유한책임회사 A Strut Bearing For Suspension
KR20220146033A (en) 2021-04-23 2022-11-01 셰플러코리아 유한책임회사 A Thrust Bearing Assembly For Suspension

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2018199711A1 (en) * 2017-04-28 2018-11-01 주식회사 일진 Top mount assembly and manufacturing method therefor
KR20200001330A (en) 2018-06-27 2020-01-06 셰플러코리아(유) A Strut Bearing For Suspension
KR20200012513A (en) 2018-07-27 2020-02-05 셰플러코리아(유) A Strut Bearing For Suspension
KR102063533B1 (en) 2018-09-19 2020-01-08 셰플러코리아(유) A Strut Bearing For Suspension
KR20200033219A (en) 2019-12-20 2020-03-27 셰플러코리아(유) A Strut Bearing For Suspension
KR102250266B1 (en) 2019-12-23 2021-05-07 셰플러코리아 유한책임회사 A Strut Bearing For Suspension
KR20220071464A (en) 2020-11-24 2022-05-31 셰플러코리아 유한책임회사 A Strut Bearing For Suspension
KR20220146033A (en) 2021-04-23 2022-11-01 셰플러코리아 유한책임회사 A Thrust Bearing Assembly For Suspension

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