KR20170021527A - Shock absorber - Google Patents

Shock absorber Download PDF

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Publication number
KR20170021527A
KR20170021527A KR1020150116017A KR20150116017A KR20170021527A KR 20170021527 A KR20170021527 A KR 20170021527A KR 1020150116017 A KR1020150116017 A KR 1020150116017A KR 20150116017 A KR20150116017 A KR 20150116017A KR 20170021527 A KR20170021527 A KR 20170021527A
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KR
South Korea
Prior art keywords
cap member
cylinder
groove
coupled
shock absorber
Prior art date
Application number
KR1020150116017A
Other languages
Korean (ko)
Other versions
KR101723612B1 (en
Inventor
권용현
Original Assignee
주식회사 만도
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 주식회사 만도 filed Critical 주식회사 만도
Priority to KR1020150116017A priority Critical patent/KR101723612B1/en
Publication of KR20170021527A publication Critical patent/KR20170021527A/en
Application granted granted Critical
Publication of KR101723612B1 publication Critical patent/KR101723612B1/en

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    • 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
    • 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
    • F16C17/00—Sliding-contact bearings for exclusively rotary movement
    • F16C17/02—Sliding-contact bearings for exclusively rotary movement for radial load only
    • 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
    • F16C19/00—Bearings with rolling contact, for exclusively rotary movement
    • F16C19/02—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows
    • F16C19/10—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for axial load mainly
    • 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
    • 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
    • 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)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Fluid-Damping Devices (AREA)
  • Vibration Dampers (AREA)

Abstract

According to the present invention, a shock absorber has a cylinder, a piston rod of which one end is coupled to the inside of the cylinder to be moved, and bumper rubber provided in an upper portion of the cylinder in a state of being coupled to the piston rod. The shock absorber comprises: a cap member coupled to an upper portion of the cylinder; a rotation plate horizontally and rotationally mounted in an upper portion of the cap member to support the bumper rubber; and a bearing coupled between the cap member and the rotation plate, and reducing a frictional force when the rotation plate is rotated.

Description

Shock absorber {SHOCK ABSORBER}

The present invention relates to a shock absorber, and more particularly, to a bumper rubber and a rotating plate which are simultaneously rotated in contact with each other to prevent the upper surface of the cap member from being worn, So that noise can be minimized when the vehicle is steered.

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, .

The shock absorber includes a cylinder, a piston valve for compressing and tensioning the cylinder, and a piston rod having one end connected to the piston valve and the other end disposed outside the cylinder.

In addition, a bumper rubber for buffering an impact between the cylinder and the piston rod when reciprocating the upper portion of the cylinder, and a cap member for supporting a load of the bumper rubber coupled to the upper portion of the cylinder.

In the conventional shock absorber, the bumper rubber and the cap member are in close contact with each other during compression. Therefore, when the driver steers the upper surface of the cap member due to friction with the bumper rubber when the vehicle is steered, Noise was generated by the joint phenomenon.

Prior art related to the present invention is Korean Patent Laid-Open No. 10-2002-0033402 (May 06, 2002), which discloses a mount for a shock absorber.

SUMMARY OF THE INVENTION It is an object of the present invention to prevent the upper surface of a cap member from being worn out by allowing a bumper rubber and a rotary plate to rotate simultaneously when the bumper rubber and a rotary plate are in contact with each other And a shock absorber capable of minimizing generation of noises during steering of the vehicle is provided because the joint between the bumper rubber and the rotating plate does not occur.

A shock absorber according to the present invention is a shock absorber having a cylinder, a piston rod movably coupled at one end thereof to the cylinder, and a bumper rubber at an upper portion of the cylinder in a state of being coupled with the piston rod, A cap member coupled to an upper portion of the cylinder; a rotation plate horizontally rotatably mounted on the cap member to support the bumper rubber; and a rotation plate coupled between the cap member and the rotation plate, And a bearing for damping frictional force during rotation.

Here, the first mounting groove may be recessed to connect the lower end of the bearing to the upper end of the cap member, and the second mounting groove may be concavely formed at the lower end of the rotation plate such that the upper end of the bearing is coupled .

In addition, the cap member may further include an engagement portion extending upward from an upper edge portion, and an engagement end may be formed on an inner peripheral surface of the engagement hole so as to be engaged with an upper edge portion of the rotation plate.

The upper end of the latching end may be inclined downward toward the outside of the cap member.

In addition, an engaging groove may be formed at an upper edge of the rotating plate so that the engaging groove is open to the outside when the engaging end is inserted.

According to another aspect of the present invention, there is provided a shock absorber comprising: a cylinder; a piston rod movably coupled to the cylinder; and a shock absorber having a bumper rubber at an upper portion of the cylinder, A cap member coupled to an upper portion of the cylinder and having an engaging groove formed along an outer surface of an upper end thereof; a cap member rotatably coupled to an upper surface of the cap member to support the bumper rubber, And an elongated coupling hole is rotatably coupled to the outside of the coupling groove in a horizontal direction.

Here, the coupling groove may have an engagement groove formed on the outer side surface of the coupling member along the side surface of the coupling member to form a step, the lower surface of the coupling groove may be sloped downward to the outside of the cap member, The inner side surface of the coupling hole may be formed with an engaging step to be inserted into the engaging groove, and a lower end of the engaging step may be inclined to correspond to the upper end of the engaging groove.

It is preferable that a locking protrusion or a locking groove is formed on the outer side surface of the coupling groove, and a locking groove or a locking protrusion is formed on the inner side surface of the locking hole so that the locking groove or the locking protrusion is engaged with the locking projection or the locking groove.

Further, a bearing for damping frictional force during rotation may further be coupled between the cap member and the rotation plate.

The bumper rubber and the rotary plate are simultaneously rotated in a state in which the bumper rubber and the rotary plate are in contact with each other when the driver steers in a state in which the bumper rubber and the rotary plate are in contact with each other so that the upper surface of the cap member can be prevented from being worn, So that noise can be minimized when the vehicle is steered.

1 is a front sectional view showing a shock absorber according to a first embodiment of the present invention.
2 is a front sectional view showing another embodiment of a shock absorber according to the first embodiment of the present invention.
3 is a front sectional view showing another embodiment of the shock absorber according to the first embodiment of the present invention.
4 is a front sectional view for showing a shock absorber according to a second embodiment of the present invention.
5 is a front sectional view showing another embodiment of a shock absorber according to a second embodiment of 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 a front sectional view showing a shock absorber according to a first embodiment of the present invention, and FIG. 2 is a front sectional view showing another embodiment of a shock absorber according to a first embodiment of the present invention.

1 and 2, a shock absorber according to a first embodiment of the present invention includes a cylinder 10, a piston rod 20, a bumper rubber 30, and a bearing 300.

In addition, a piston valve (not shown) for dividing the compression chamber and the tension chamber into the cylinder 10 may be further provided.

An insulator (not shown) for fixing the cylinder 10 and the piston rod 20 to the vehicle body; a bumper rubber 30; and a dust cover 40 covering the upper end of the cylinder 10 from the outside .

In addition, upper and lower spring seats, which are respectively installed on the cylinder 10 and the insulator, for supporting the helical suspension spring, may be provided.

First, the cylinder 10 may have a cylindrical shape that forms a space therein, and a fluid (oil or the like) is filled in the inner space of the cylinder 10.

One end of the cylinder 10 and one end of the piston rod 20, which will be described later, can perform compression and tensile strokes while being connected to the vehicle body side or the wheel side, respectively.

One end of the piston rod 20 is coupled to a piston valve (not shown) provided inside the cylinder 10 and the other opposite end is extended to the outside of the cylinder 10 to be connected to the vehicle body side or the wheel side of the vehicle .

The piston valve divides the inside of the cylinder 10 into a compression chamber and a tension chamber. The piston valve reciprocates in the compression and tensile directions inside the cylinder 10 to generate a damping force due to the resistance force of the fluid.

For example, when the piston valve performs the compression stroke by the piston rod 20, the pressure of the compression chamber is higher than that of the tension chamber.

At this time, the fluid filled in the compression chamber by the pressure rise of the compression chamber pushes the valve means of the piston valve through the flow passage and moves to the tension chamber while generating the damping force.

On the other hand, when the piston valve is subjected to the tensile stroke by the piston rod 20, the damping force is generated while operating in the direction opposite to the above-mentioned operation.

The bumper rubber 30 is installed between the lower end of the insulator and the rotary plate 200 to be described later, and buffers the shock transmitted in the vertical direction through the compression and relaxation operation.

Here, the bumper rubber 30 is made of an elastic absorbent material (rubber or the like) in order to effectively cushion an impact transmitted in a vertical direction at the time of compression.

The cap member 100 is coupled to the upper end of the cylinder 10 so that the piston rod 20 penetrates the cap member 100. The cap member 100 can be coupled in a state of wrapping the upper end of the cylinder 10.

To this end, the cap member 100 may have a cylindrical shape that is downwardly opened to be inserted into the upper end of the cylinder 10.

A hollow is formed in the center of the cap member 100 so that the piston rod 20 is vertically penetrated.

In addition, a first installation groove 140 is formed concavely at an upper end of the cap member 100 so that a lower end of a bearing 300 to be described later is coupled.

The first installation groove 140 may be formed to correspond to a mounting position and shape of a bearing 300 to be described later, and may be formed in a ring shape corresponding to the bearing 300.

The rotary plate 200 is horizontally rotatably mounted on the upper portion of the cap member 100 to support the load of the bumper rubber 30 positioned at the upper portion.

A hollow is formed through the center of the rotary plate 200 so that the piston rod 20 is vertically penetrated.

The rotation plate 200 may have a shape corresponding to that of the cap member 100. The rotation plate 200 may have a disc shape corresponding to the cap member 100. [

The second mounting groove 230 is recessed at the lower end of the rotary plate 200 so that the upper end of the bearing 300 is engaged.

The second installation groove 230 may be formed to correspond to a mounting position and shape of a bearing 300 to be described later, and may be formed in a ring shape corresponding to the bearing 300.

The bearing 300 is coupled between the cap member 100 and the rotation plate 200 and rotates in a state where the rotation plate 200 is in close contact with the bumper rubber 30, And the rotating plate 200, as shown in Fig.

Here, the bearing 300 may use various types of bearings, such as a ball bearing type as shown in FIG. 1, or a sliding bearing type in which two pads are laterally coupled as shown in FIG. 2.

The lower end of the bearing 300 is inserted into the first installation groove 140 and the upper end of the bearing 300 is inserted into the second installation groove 230 .

At this time, the upper end of the cap member 100 and the lower end of the rotation plate 200 may be formed at a predetermined gap G, but they may be tightly coupled to each other to enable sliding rotation.

Accordingly, the contact portion between the cap member 100 and the rotary plate 200 can reduce the frictional force by the bearing 300.

Meanwhile, the cap member 100 may further include a coupling member 150 extending upward from the upper edge portion as shown in FIG.

A locking step 151 may be formed on the inner circumferential surface of the coupling hole 150 so as to be engaged with the upper edge of the rotary plate 200.

Here, the upper end of the latching end 230 may be inclined downward to the outside of the cap member 100.

In addition, an engaging groove 220 'may be formed at the upper edge of the rotary plate 200 so that the engaging groove 220' is open to the outside in a state where the engaging end 230 is inserted.

Therefore, when the coupling member 150 is engaged with the cap member 100, the coupling member 151 and the coupling groove 220 'are engaged with each other, so that the cap member 100 and the rotation plate 200 are not separated Tightly coupled.

Since the inclined surface is formed in the coupling direction of the engaging end 151, the cap member 100 and the rotary plate 200 can be engaged with each other at a time, thereby facilitating coupling.

Hereinafter, a shock absorber according to a second embodiment of the present invention will be described with reference to FIG. 4 and FIG. 5, and the same components as those described above will not be repeatedly described.

A shock absorber according to a second embodiment of the present invention includes a cylinder 10, a piston rod 20, and a bumper rubber 30.

First, the cap member 100 is coupled to the upper portion of the cylinder 10, and the coupling groove 110 is recessed along the outer surface of the cap member 100.

The coupling groove 110 is recessed from a side surface of the cap member 100 and a coupling hole 210 of a rotation plate 200 to be described later is horizontally rotatable, do.

Particularly, as shown in FIG. 1, the coupling groove 110 is recessed along the side surface of the cap member 100 as shown in FIG. 1, and the coupling groove 120, which forms a step, is recessed.

The lower end of the latching groove 120 may be inclined downward toward the outer side of the cap member 100.

That is, when engaging the engaging member 210 to be described later with the upper end of the cap member 100, the engaging groove 220 formed in the inner side surface of the engaging member 210 supports the engaging projection 130 horizontally .

The rotation plate 200 may have a shape corresponding to that of the cap member 100, and the rotation plate 200 may have a disk shape corresponding to the cap member 100.

A coupling hole 210 protrudes downward from a periphery of the rotary plate 200. The coupling hole 210 is coupled to the coupling hole 110 so as to surround the coupling hole.

The coupling member 210 may have a cylindrical shape corresponding to the external shape of the cap member 100 and the coupling member 210 may be inserted into the coupling groove 110 so as to be horizontally rotatable.

In particular, the engaging step 230 may protrude from the inner surface of the coupling hole 210 so as to be inserted into the engaging groove 220 formed in the coupling groove 110 as shown in FIG.

The lower end of the latching end 230 may be inclined so as to correspond to the upper end of the latching groove 220 formed in the coupling groove 110.

Therefore, when the coupling member 210 and the cap member 100 are engaged, the coupling member 230 and the coupling groove 220 are engaged with each other. Therefore, the coupling member 210 and the rotation plate 200 are securely .

3, since the inclined surface is formed in the coupling direction of the engaging step 230, the cap member 100 and the rotary plate 200 can be engaged with each other at one time, .

Alternatively, the engaging protrusion 130 or the engaging groove 120 may be selectively formed on the outer surface of the coupling groove 110 as shown in FIG.

The engaging groove 220 or the engaging protrusion may be formed on the inner surface of the coupling hole 210 so as to be engaged with the engaging groove 130 or the engaging groove 120 of the coupling groove 110.

For example, the engaging groove 220 may be recessed in the inner surface of the coupling hole 210, and the outer surface of the coupling hole 110 may be inserted into the engaging groove 220 of the coupling hole 210 The engaging protrusion 130 may be protruded.

A bearing 300 for attenuating frictional force during rotation may further be coupled between the cap member 100 and the rotation plate 200.

Accordingly, in the present invention, when the driver steers in a state in which the bumper rubber 30 and the rotary plate 200 are in contact (compressed), the bumper rubber 30 and the rotary plate 200 are simultaneously rotated .

The bumper rubber 30 and the rotary plate 200 are in contact with each other while the bumper rubber 30 and the rotary plate 200 are in contact with each other The upper surface of the cap member 100 can be prevented from being worn and the noise between the bumper rubber 30 and the rotary plate 200 does not occur.

Although specific embodiments of the shock absorber of the present invention have been described above, it is apparent that various modifications can be made without departing from 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 40: Dust cover
100: cap member 110: engaging groove
120: latching groove 130:
140: first installation groove 150:
151: latching stage 200: rotating plate
210: coupling part 220, 220 ': engaging groove
230: Retaining end 240: Second installation groove
300: Bearing G: Spacing

Claims (9)

1. A shock absorber comprising a cylinder, a piston rod movably coupled at one end thereof to the inside of the cylinder, and a bumper rubber at an upper portion of the cylinder in a state of being coupled with the piston rod,
A cap member coupled to an upper portion of the cylinder;
A rotatable plate horizontally rotatably mounted on the cap member and supporting the bumper rubber; And
And a bearing coupled between the cap member and the rotation plate to damp the frictional force when the rotation plate rotates.
The method according to claim 1,
At the upper end of the cap member,
Wherein the first mounting groove is concave so that the lower end of the bearing is engaged,
At the lower end of the rotating plate,
And the second mounting groove is concave so that the upper end of the bearing is engaged.
The method according to claim 1,
Wherein the cap member comprises:
Further comprising an engagement portion extending upward from an upper edge portion,
On the inner peripheral surface of the coupling hole,
And a latching end is protruded to be engaged with an upper edge of the rotation plate.
The method of claim 3,
The upper end of the latching end
Wherein the cap member is formed to be inclined downward to the outside of the cap member.
The method of claim 3,
At an upper edge portion of the rotating plate,
Further comprising an engagement groove that is open to the outside so that the engagement end is engaged with the engagement end.
1. A shock absorber comprising a cylinder, a piston rod movably coupled to the inside of the cylinder, and a bumper rubber at an upper portion of the cylinder in a state of being coupled with the piston rod,
A cap member coupled to an upper portion of the cylinder and having an engaging groove formed along an outer surface of an upper end thereof; And
And a rotary plate horizontally rotatably coupled to the upper surface of the cap member to support the bumper rubber and a coupling hole extending downward from a lower edge of the cap member to be rotatable in a horizontal direction on the outer side of the coupling groove Features a shock absorber.
The method of claim 6,
On the outer surface of the engaging groove,
Wherein the engaging groove is formed to be concave along a side surface of the cap member and has a step formed at an upper portion thereof, the lower surface of the engaging groove is formed to be inclined downward to the outside of the cap member,
On the inner surface of the coupling hole,
And a lower end of the latching end is formed to be inclined so as to correspond to an upper end of the latching groove.
The method of claim 6,
On the outer surface of the engaging groove,
A locking projection or an engagement groove is formed,
On the inner surface of the coupling hole,
And a locking groove or a locking protrusion is formed so as to correspond to the locking protrusion or the locking groove.
The method according to claim 1,
Between the cap member and the rotation plate,
And a bearing for damping frictional force during rotation is further coupled.
KR1020150116017A 2015-08-18 2015-08-18 Shock absorber KR101723612B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
KR1020150116017A KR101723612B1 (en) 2015-08-18 2015-08-18 Shock absorber

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Application Number Priority Date Filing Date Title
KR1020150116017A KR101723612B1 (en) 2015-08-18 2015-08-18 Shock absorber

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KR20170021527A true KR20170021527A (en) 2017-02-28
KR101723612B1 KR101723612B1 (en) 2017-04-18

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108528356A (en) * 2017-03-01 2018-09-14 株式会社万都 A kind of sprung shock-strut end cap and Vehicle damper pillar

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2829429B1 (en) 2001-09-12 2003-12-12 Skf Ab STOP SUSPENSION DEVICE
JP2010100223A (en) 2008-10-24 2010-05-06 Toyota Motor Corp Suspension device
JP2012225475A (en) 2011-04-22 2012-11-15 Mitsubishi Motors Corp Vehicle suspension device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108528356A (en) * 2017-03-01 2018-09-14 株式会社万都 A kind of sprung shock-strut end cap and Vehicle damper pillar

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