KR20170097323A - Insulator temporarily fixed structure of shock absorber - Google Patents

Insulator temporarily fixed structure of shock absorber Download PDF

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Publication number
KR20170097323A
KR20170097323A KR1020160018931A KR20160018931A KR20170097323A KR 20170097323 A KR20170097323 A KR 20170097323A KR 1020160018931 A KR1020160018931 A KR 1020160018931A KR 20160018931 A KR20160018931 A KR 20160018931A KR 20170097323 A KR20170097323 A KR 20170097323A
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KR
South Korea
Prior art keywords
connection pipe
coupled
shock absorber
coupling
insulator
Prior art date
Application number
KR1020160018931A
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Korean (ko)
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KR101782499B1 (en
Inventor
김지훈
Original Assignee
주식회사 만도
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Priority to KR1020160018931A priority Critical patent/KR101782499B1/en
Publication of KR20170097323A publication Critical patent/KR20170097323A/en
Application granted granted Critical
Publication of KR101782499B1 publication Critical patent/KR101782499B1/en

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    • 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
    • B60G15/067—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type having mechanical spring and fluid damper characterised by the mounting on the vehicle body or chassis of the spring and damper unit
    • B60G15/068—Resilient suspensions characterised by arrangement, location or type of combined spring and vibration damper, e.g. telescopic type having mechanical spring and fluid damper characterised by the mounting on the vehicle body or chassis of the spring and damper unit specially adapted for MacPherson strut-type suspension
    • 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
    • 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
    • F16F9/3235—Constructional features of cylinders
    • F16F9/3242—Constructional features of cylinders of cylinder ends, e.g. caps
    • 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
    • F16F9/38—Covers for protection or appearance
    • 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
    • F16F2230/00—Purpose; Design features
    • F16F2230/0023—Purpose; Design features protective

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fluid-Damping Devices (AREA)

Abstract

The present invention provides a temporary fixation structure of an insulator of a shock absorber, capable of improving workability as an arrangement state of a fastening member is not changed. According to the present invention, the temporary fixation structure comprises: a coupling protrusion formed on the top of a piston rod extended from a cylinder; a body having a fastening hole vertically penetrated to allow the top of the coupling protrusion to be coupled through a lower side; and a fixation cap including a first connection tube formed in a lower part to be coupled to the upper part of the fastening hole and a second connection tube coupled to the outside of the coupling protrusion inside the first connection tube. An outer locking surface is divided and formed on a side surface of the coupling protrusion with respect to an edge part vertically formed along the circumference, and an inner locking surface is formed on the inner circumferential surface of the second connection tube to be correspondingly coupled to the outside of the outer locking surface.

Description

{INSULATOR TEMPORARILY FIXED STRUCTURE OF SHOCK ABSORBER}

The present invention relates to a temporary fixing structure for an insulator of a shock absorber, and more particularly, it relates to a fixing structure for temporarily fixing an insulator of a shock absorber, The present invention relates to a temporary fixing structure for an insulator of a shock absorber in which an alignment state of a fastening member is not changed when assembled to a vehicle body, thereby improving workability.

Generally, the shock absorber acts to suppress or attenuate vibration from the road surface, and absorbs the vibration energy of the vehicle body in the vertical direction while being mounted between the vehicle body or the frame and the wheel.

In addition, the shock absorber can reduce the dynamic stress at the corner of the vehicle body to increase the durability life, suppress the movement of the mass under the spring to secure the grounding property of the tire, suppress the attitude change due to the inertia force, .

In such a shock absorber, an upper end of the piston rod is usually fixed to the vehicle body, a lower end of the cylinder is fixed to the wheel side, and an insulator (also referred to as a top mount) is provided at the upper end of the piston rod extending from the cylinder. A plurality of fastening members (bolts or the like) for assembling at respective engagement positions of the vehicle body are provided at the portions.

As a conventional insulator, a Damper Spring Module (DSM) of McPherson strut, which is one of the front suspension type, is used, and this type of insulator has a structure in which a single type bearing is applied to freely rotate horizontally.

In addition, the conventional insulator should be assembled after precisely aligning the three points where the upper shock tower and the fastening member are assembled when assembling the vehicle body.

However, the conventional insulator has a difficulty in accurately aligning the fastening members to the assembling position before being coupled to the vehicle body, and when the assembling position of the fastening member is changed, a separate correcting procedure is necessary, do.

A prior art related to the present invention is Korean Patent No. 10-2009-0034118 (Apr. 07, 2009), which discloses an integrated insulator type strut assy of suspensions.

It is an object of the present invention to provide a fastening device for a motor vehicle in which a locking protrusion of a piston rod and a coupling pipe of a fixed cap are respectively formed so as to form locking surfaces, The present invention provides a temporary fixing structure for a shock absorber of a shock absorber which can improve workability without any modification and can reduce the work flow without any modification procedure.

Also, it is an object of the present invention to provide a temporary fixing structure for a shock absorber that can increase the strength of a portion where a horizontal rotational force acts, by applying only a connection portion of a fixed cap coupled with a coupling projection to a metal material.

A coupling protrusion formed on an upper end of a piston rod extending from a cylinder according to the present invention; a body having a coupling hole formed vertically through the coupling hole so that an upper end of the coupling protrusion is coupled through a lower portion; And a fixing cap having a second connection pipe formed to be coupled to the outside of the coupling protrusion at an inner side of the first coupling pipe. The side surface of the coupling protrusion has a corner portion And the inner circumferential surface of the second connecting tube is formed with an inner engaging surface to be coupled to the outside of the outer engaging surface.

Here, the outer engaging surface and the inner engaging surface It is preferable that a pair of planar portions formed in parallel on both sides and a pair of curved surfaces formed in parallel to the planar portions in a direction perpendicular to the planar portions and forming a convex curved surface are formed.

In addition, the first connection pipe may further include an incision groove that is opened to the lower side so as to be contractible in the center direction upon insertion into the fastening hole, and the incision groove may be formed along the side surface of the first connection tube .

In addition, And has a length in the vertical direction, and the lower end thereof is opened downward.

The lower end of the first connection pipe may be further formed with an inclined surface such that the diameter of the lower end of the first connection pipe gradually decreases toward the lower side.

Preferably, the first connection pipe is formed of a resin-based material, and the second connection pipe is formed of a metal-based material.

According to the present invention, the engagement protrusions of the piston rod and the coupling cap of the fixed cap are formed to have mutually corresponding engagement surfaces to prevent rotation of the body by using the fixed cap when assembled to the vehicle body, The workability can be improved, and there is no need for a separate correction procedure, thereby reducing the work flow.

In addition, the present invention has the effect of increasing the strength of a region where the horizontal rotation force acts, by applying only the connection portion of the fixed cap coupled with the coupling protrusion as a metal material.

1 is an exploded perspective view showing a temporary fixing structure of an insulator of a shock absorber according to the present invention.
FIG. 2 is a perspective view illustrating a temporary fixing structure of an insulator of a shock absorber according to the present invention.
3 is a bottom perspective view for showing a temporary fixing cap in a temporary fixing structure of an insulator of a shock absorber according to the present invention.
4 is a cross-sectional view illustrating a temporary fixing structure of an insulator of a shock absorber according to the present invention.

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

BRIEF DESCRIPTION OF THE DRAWINGS The advantages and features of the present invention and the manner of achieving it will become apparent with reference to the embodiments described in detail below with reference to the accompanying drawings.

The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the invention to those skilled in the art. To fully disclose the scope of the invention to those skilled in the art, and the invention is only defined by the scope of the claims.

In the following description, well-known functions or constructions are not described in detail to avoid obscuring the subject matter of the present invention.

FIG. 1 is an exploded perspective view showing a temporary fixing structure of an insulator of a shock absorber according to the present invention, and FIG. 2 is an assembled perspective view showing a temporary fixing structure of an insulator of a shock absorber according to the present invention.

3 is a bottom perspective view for showing a temporary fixing cap in a temporary fixing structure of a shock absorber of a shock absorber according to the present invention, and FIG. 4 is a connection sectional view for showing a temporary fixing structure of an insulator of a shock absorber according to the present invention.

1 to 4, the temporary fixing structure of the insulator of the shock absorber according to the present invention includes a coupling projection 100, a body 200, and a fixed cap 300.

The coupling protrusion 100 is formed at the upper end of the piston rod 20 extending from the cylinder 10 and the coupling protrusion 100 is inserted into a lower portion of a second coupling pipe 320 to be described later.

The outer surface of the coupling protrusion 100 is divided by the outer surface of the side surface of the coupling protrusion 100 with reference to a corner vertically formed along the circumference.

More specifically, the outer engaging surface 110 may have a pair of flat portions 111 and a pair of curved portions 112, respectively, as shown in FIG.

The pair of planar parts 111 may be formed on both sides of the coupling protrusions 100, and the planar parts 111 may be formed in parallel with each other.

The pair of curved portions 112 are formed so as to correspond to the direction perpendicular to the plane portions 111 and the curved portions 112 can form a convex curved surface perpendicular to the plane portions 111 have.

The flat portions 111 and the curved portions 112 may be formed at right angles to each other with corners formed perpendicular to the side surfaces of the coupling protrusions 100 interposed therebetween.

The outer engaging surface 110 is engaged with the inner engaging surface 321 of the second connecting pipe 320 to prevent rotation of the body 200 and the fixed cap 300, which will be described later.

The upper end of the body 200 is coupled to the vehicle body, and a fastening member B for engaging with the vehicle body can be vertically coupled to a rim of the body 200.

4, a coupling hole 210 is vertically formed in the body 200 so that an upper end of the coupling projection 100 can be coupled through a downward direction.

A coupling groove 220 may be formed at the lower end of the body 200 so as to communicate with the coupling hole 210 in the upper and lower ends and to couple the bumper rubber 30 to the lower end of the coupling hole 210.

For example, when the coupling groove 220 is further formed at the lower end of the body 200, the coupling projection 100 may be inserted into the coupling hole 210 through the hollow of the bumper rubber 30.

At this time, the lower end of the bumper rubber 30 is brought into close contact with the upper end of the cylinder 10 to elastically support the space between the body 100 and the cylinder 10.

A bearing (not shown) may be installed between the body 100 and the piston rod 20 so that the body 100 can be horizontally rotated when installed on the vehicle body.

The body 200 is coupled to the upper end of the piston rod 20 so as to be rotatable in a horizontal direction. When the fixed cap 300, which will be described later, is coupled to the upper end of the fastening hole 210, .

The fixed cap 300 is coupled to the upper end of the fastening hole 210 before the body 100 is assembled to the vehicle body to prevent rotation of the body 100. After the body 100 is assembled to the vehicle body, So that the body 100 can be rotated.

2 and 4, the lower end of the fixed cap 300 is coupled to the upper end of the coupling hole 210 and the coupling protrusion 100, respectively.

Here, the first connection pipe 310 and the second connection pipe 320 may protrude from the lower end of the fixed cap 300.

The first connection pipe 310 protrudes downward to be coupled to the upper portion of the connection hole 210. The first connection pipe 310 has a cylindrical shape with an inner space opened downward Lt; / RTI >

Here, the first connection pipe 310 is fixed to the inner side surface of the connection hole 210 with the outer side surface of the first connection pipe 310 being in close contact with the inner side surface of the connection hole 210, And can be joined in an indentation manner.

Particularly, in the lower end of the first connection pipe 310, when inserted into the upper end of the fastening hole 210, a cutout groove 311 is further formed to contract in the center direction of the fastening hole 210.

As shown in FIG. 3, the cutout grooves 311 may be arranged along the side surface of the first connection pipe 310, and the cutout grooves 311 may have a length in the vertical direction.

The lower end of the incision groove 311 may be opened downward so that the lower end of the first connection pipe 310 may be contracted.

Since the front end of the first connection pipe 310 is connected to the upper end of the connection hole 210 by press-fitting, the front end of the first connection pipe 310 may be fixed Can be contracted at intervals.

The outer surface of the first connection pipe 310 presses the inner surface of the connection hole 2101 to the outside so that the first connection pipe 310 and the connection hole 210 are connected to each other without a separate fastening member. Can be combined.

The second connection pipe 320 protrudes from the inside of the first connection pipe 310 with a smaller diameter and the second connection pipe 320 is coupled to the outside of the connection protrusion 100 .

Here, the second connection pipe 320 may have a cylindrical shape with an inner space opened downward as shown in FIG.

Particularly, on the inner surface of the second connection pipe 320, an inner engagement surface 321 is formed along the lateral direction to correspond to the outer engagement surface 110 described above, and the inner engagement surface 321 is formed along the inner surface And may be formed in a plurality of.

More specifically, the inner engaging surface 321 may be formed with a pair of flat surfaces 321a and a pair of curved surfaces 321b as shown in FIG.

The pair of planar portions 321a may be formed to correspond to both sides of the inner space as shown in FIG. 3, and the planar portions 321a may be formed in parallel with each other.

The pair of curved portions 321b are formed so as to correspond to the direction perpendicular to the plane portions 321a and the curved portions 321b can form concave curved surfaces perpendicular to the plane portions 321a have.

In addition, the lower end of the first connection pipe 310 may be further formed with an inclined surface 312 so that the diameter gradually decreases toward the lower side.

When the lower end of the first connection pipe 310 is inserted through the upper portion of the connection hole 210, the inclined surface 312 is connected to the edge of the connection hole 210, Can be guided in the center direction, thereby facilitating the coupling.

In addition, the first connection pipe 310 may be formed of a resin-based material, and the second connection pipe 320 may be formed of a metal-based material.

Here, the second connection pipe 320 may be manufactured using a light metal such as aluminum. In this case, the strength of the second connection pipe 320 can be secured and the weight can be reduced.

As described above, according to the present invention, when the coupling protrusion 100 and the second coupling pipe 320 are coupled by male and female coupling, the second coupling pipe 320 coupled to the coupling protrusion 100 is not rotated in the horizontal direction The rotation of the body 100 can be prevented.

In other words, since the position of the fastening member B is fixed when the body 100 is to be coupled to the body, the position of the fastening members B provided on the body 100 can be prevented from being changed , It is possible to achieve accurate assembly when assembling the body 100 to the vehicle body.

As a result, the present invention is characterized in that the outer engaging surface 110 is formed on the outer surface of the engaging projection 100, the inner engaging surface 321 is formed on the inner surface of the second connecting tube 320, Since the rotation of the body 100 is prevented by using the fixed cap 300, the alignment state of the fastening member B is not changed when assembled to the vehicle body, and workability can be improved. Can be saved.

In addition, the present invention can increase the strength of the second connection pipe 320 to which the horizontal rotation force is applied by applying only the connection portion of the fixed cap 300 coupled with the coupling projection 100 as a metal material.

Although the concrete embodiments of the temporary fixing structure of the insulator of the shock absorber of the present invention have been described above, it is apparent that various modifications are possible within the scope of the present invention.

Therefore, the scope of the present invention should not be limited to the above-described embodiments, but should be determined by the scope of the appended claims and equivalents thereof.

It is to be understood that the foregoing embodiments are illustrative and not restrictive in all respects and that the scope of the present invention is indicated by the appended claims rather than the foregoing description, It is intended that all changes and modifications derived from the equivalent concept be included within the scope of the present invention.

10: cylinder 20: piston rod
30: bumper rubber 100: engaging projection
110: outer engaging surface 111:
112: curved portion 200: body
210: fastening hole 220: engaging groove
300: fixed cap 310: first connection pipe
311: incision groove 312: inclined surface
320: second connecting pipe 321: inner engaging surface
321a: flat portion 321b: curved portion
B: fastening member

Claims (6)

An engaging projection formed on an upper end of the piston rod extending from the cylinder,
A body in which a fastening hole is formed so as to pass through the upper and lower portions of the fastening hole so that the upper end of the fastening protrusion is coupled through the lower portion,
A fixing cap having a first connection pipe formed at a lower portion thereof to be coupled to an upper portion of the coupling hole and a second coupling pipe formed at an inner side of the coupling pipe so as to be coupled to the outside of the coupling protrusion,
And an inner engaging surface is formed on the side surface of the engaging projection so that the outer engaging surface is divided on the basis of an edge portion formed perpendicularly along the circumference and the inner engaging surface of the second connecting tube is engaged with the outer surface of the outer engaging surface. Shock absorber temporary fixing structure of the insulator. The method according to claim 1,
And the outer engaging surface and the inner engaging surface,
A pair of planar portions formed side by side on both sides,
And a pair of convex curved portions formed outwardly in a direction perpendicular to the planar portions are formed on the outer circumferential surface of the shock absorber. The method according to claim 1,
In the first connection pipe,
Further comprising a cut-out groove which is opened downward so as to be able to shrink in the center direction upon insertion into the fastening hole,
The cut-
Wherein a plurality of the first and second connection pipes are formed along the side surface of the first connection pipe. The method of claim 3,
The cut-
And the lower end of the shock absorber is opened downward. The method according to claim 1,
Wherein a lower edge portion of the first connection pipe
And the inclined surface is further formed so that the diameter gradually decreases toward the downward direction. The method according to claim 1,
The second connection pipe
Wherein the insulator is formed of a metal material.
KR1020160018931A 2016-02-18 2016-02-18 Insulator temporarily fixed structure of shock absorber KR101782499B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020160018931A KR101782499B1 (en) 2016-02-18 2016-02-18 Insulator temporarily fixed structure of shock absorber

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
KR1020160018931A KR101782499B1 (en) 2016-02-18 2016-02-18 Insulator temporarily fixed structure of shock absorber

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KR20170097323A true KR20170097323A (en) 2017-08-28
KR101782499B1 KR101782499B1 (en) 2017-09-27

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20200036602A (en) * 2018-09-28 2020-04-07 현대자동차주식회사 Insulator assembly
US11358427B2 (en) * 2019-01-02 2022-06-14 Hyundai Mobis Co., Ltd. Suspension for vehicle

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20200036602A (en) * 2018-09-28 2020-04-07 현대자동차주식회사 Insulator assembly
US11358427B2 (en) * 2019-01-02 2022-06-14 Hyundai Mobis Co., Ltd. Suspension for vehicle

Also Published As

Publication number Publication date
KR101782499B1 (en) 2017-09-27

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