CN110219919A - A kind of design method of suspension limit rubber pad - Google Patents
A kind of design method of suspension limit rubber pad Download PDFInfo
- Publication number
- CN110219919A CN110219919A CN201910477706.XA CN201910477706A CN110219919A CN 110219919 A CN110219919 A CN 110219919A CN 201910477706 A CN201910477706 A CN 201910477706A CN 110219919 A CN110219919 A CN 110219919A
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- Prior art keywords
- rubber pad
- lug boss
- suspension
- limit rubber
- suspension limit
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K5/00—Arrangement or mounting of internal-combustion or jet-propulsion units
- B60K5/12—Arrangement of engine supports
- B60K5/1208—Resilient supports
-
- 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
- F16F1/00—Springs
- F16F1/36—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers
- F16F1/373—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers characterised by having a particular shape
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Transportation (AREA)
- Vibration Prevention Devices (AREA)
Abstract
The present invention relates to automobile power assembly technical fields, disclose a kind of design method of suspension limit rubber pad.The design method of suspension limit rubber pad provided by the invention, first, by the center that lug boss is arranged in planar portions, and the projection of planar portions is square, and multiple monomer rectangular arrays with lug boss and planar portions are improved into the uniformity of lug boss distribution so as to be equal so as to suspend the spacing of lug boss in all directions on limit rubber pad, make being more uniformly stressed for suspension limit rubber pad, greatly reduces pause and transition in rhythm or melody and the abnormal sound of automobile；Secondly, the lug boss of rectangular array can form straight air communication channel, the smooth outflow in the interval of lug boss is enabled air to, to improve the heat dissipation effect and durability of suspension limit rubber pad；Finally, modularized design may be implemented, versatility is stronger, simplifies design process, improves desin speed by design monomer.
Description
Technical field
The present invention relates to automobile power assembly technical field more particularly to a kind of design methods of suspension limit rubber pad.
Background technique
With the rapid development of auto industry, the level of NVH of automobile is had been to be concerned by more and more people, and consumer is to seating
The requirement of comfort is also increasingly increased, and more stringent requirements are proposed for this design to the suspension of power assembly.Since automobile is in urgency
When accelerating or suddenly slowing down, power assembly can generate larger displacement in a short time, and automobile is made to generate biggish pause and transition in rhythm or melody and abnormal sound,
So reducing pause and transition in rhythm or melody and abnormal sound in order to control the displacement of running car time control brake force assembly, being usually provided with suspension in suspension
Limit rubber pad.
But it is usually unable to according to the suspension limit rubber pad of the design method production of existing suspension limit rubber pad
Reduce pause and transition in rhythm or melody and abnormal sound well, and the durability for suspending limit rubber pad is also poor.
Therefore, a kind of design method of novel suspension limit rubber pad is needed to solve the above technical problems.
Summary of the invention
It is and existing the purpose of the present invention is to provide a kind of design method of suspension limit rubber pad based on the above
There is technology to compare, can preferably reduce pause and transition in rhythm or melody and the abnormal sound of automobile, improves the service life of suspension limit rubber pad.
In order to achieve the above object, the invention adopts the following technical scheme:
A kind of design method of suspension limit rubber pad, includes the following steps:
Step 1, design monomer, the monomer includes planar portions and lug boss, and the lug boss is hemispherical, the plane
Portion is square along the projection of the lug boss short transverse, and the boss is in the center of the square；
Step 2, by multiple monomer rectangular array close-packed arrays to form aggregate；
Step 3, the shape that suspension limit rubber pad is drawn on the aggregate；
Step 4 produces the suspension limit rubber pad according to the shape that step 3 is drawn.
Further, in the step 3, if the contour line of the suspension limit rubber pad passes through the lug boss,
Further include step 3 ': the lug boss passed through by the contour line of the suspension limit rubber pad is accepted or rejected.
Further, in the step 3 ' in, if the lug boss that the contour line of the suspension limit rubber pad passes through
Part in the contour line of the suspension limit rubber pad is greater than or equal to the protrusion along the projected area of its short transverse
The projected area in portion 50% when, then retain the lug boss；Otherwise, give up the lug boss.
Further, the lug boss accounts for the 34% of the projected area of the planar portions along the projected area of its short transverse
More than.
Further, the lug boss accounts for the perspective plane of the suspension limit rubber pad along the projected area of its short transverse
Long-pending 30% or more.
Further, the lug boss is the hemispherical that radius is 2mm.
Further, the side length of the planar portions is 6mm.
Further, the planar portions with a thickness of 4mm.
Further, waist-shaped hole is provided on the suspension limit rubber pad, the outer diameter of the suspension limit rubber pad is
90mm。
Further, the suspension limit rubber pad is in circular ring shape, and the outer diameter of the suspension limit rubber pad is 100mm,
Internal diameter is 32mm.
The invention has the benefit that
The design method of suspension limit rubber pad provided by the invention, firstly, by the way that planar portions are arranged in lug boss
Center, and the projection of planar portions is square, and by multiple monomer rectangular arrays with lug boss and planar portions, so as to
So that the spacing of lug boss in all directions is equal, and then the lug boss on suspension limit rubber pad can be made in each side
Upward spacing is equal, and improves the uniformity of lug boss distribution, causes suspension to be hit when power assembly generates larger displacement
It when suspension limit rubber pad, can first be contacted with lug boss, since the uniformity of lug boss distribution is high, suspension limit rubber can be made
Pad is more uniformly stressed, and then can be relieved the raising trend of suspension rigidity, substantially reduces pause and transition in rhythm or melody and the abnormal sound of automobile；
Secondly, the lug boss of rectangular array can with formation rule and straight air communication channel, enable air to lug boss it
Between interval in smooth outflow to improve the heat dissipation effect of suspension limit rubber pad increase suspension limit rubber pad
Durability；Finally, modularized design may be implemented by design monomer, versatility is stronger, hangs for shape and size are different
Limit rubber pad is set, the rectangular array quantity of monomer need to be only changed, without individually being set for each suspension limit rubber pad
The arrangement mode of lug boss is counted, so as to design processes simplified, improves desin speed.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, institute in being described below to the embodiment of the present invention
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the invention
Example, for those of ordinary skill in the art, without creative efforts, can also implement according to the present invention
The content of example and these attached drawings obtain other attached drawings.
Fig. 1 is the structural schematic diagram of monomer provided in an embodiment of the present invention；
Fig. 2 is the structural schematic diagram of aggregate provided in an embodiment of the present invention；
Fig. 3 is the cross-sectional view in Fig. 2 at A-A；
Fig. 4 is the structural schematic diagram of suspension limit rubber pad provided in an embodiment of the present invention；
Fig. 5 is the structural schematic diagram of electric drive suspension provided in an embodiment of the present invention；
Fig. 6 is that electric drive suspending rubber mainspring and electric drive suspend inner tube in electric drive suspension provided in an embodiment of the present invention
Assembly relation schematic diagram；
Fig. 7 is the structural schematic diagram of suspension limit rubber pad in electric drive suspension provided in an embodiment of the present invention；
Fig. 8 is the stiffness curve comparison diagram between electric drive suspension provided in an embodiment of the present invention and comparative example one；
Fig. 9 is the structural schematic diagram of engine mounting provided in an embodiment of the present invention；
Figure 10 is the stiffness curve comparison diagram between engine mounting provided in an embodiment of the present invention and comparative example two.
In figure:
1- monomer；11- planar portions；12- lug boss；
2- aggregate；
100- suspension limit rubber pad；200- suspends skeleton；300- engine mounting aluminium core；400- electric drive suspended rubber
Main spring；500- electric drive suspends inner tube.
Specific embodiment
To keep the technical problems solved, the adopted technical scheme and the technical effect achieved by the invention clearer, below
It will the technical scheme of the embodiment of the invention will be described in further detail in conjunction with attached drawing, it is clear that described embodiment is only
It is a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, those skilled in the art exist
Every other embodiment obtained under the premise of creative work is not made, shall fall within the protection scope of the present invention.
It as Figure 1-Figure 4, can be with by this method the present embodiment provides a kind of design method of suspension limit rubber pad
Design applies the suspension on automobile power assembly to limit rubber pad.Specifically, the design method of suspension limit rubber pad includes
Following steps:
Step 1, design monomer 1, monomer 1 includes planar portions 11 and lug boss 12, and lug boss 12 is hemispherical, planar portions 11
Projection along 12 short transverse of lug boss is square, and lug boss 12 is located at the center of square；
Step 2, by multiple 1 rectangular array close-packed arrays of monomer to form aggregate 2；
Step 3, the shape that suspension limit rubber pad 100 is drawn on aggregate 2；
Step 4, the shape production suspension limit rubber pad 100 drawn according to step 3.
It should be pointed out that monomer 1 and aggregate 2 are the defined structure when design suspends limit rubber pad 100,
And when actual production suspension limit rubber pad 100, suspension limit rubber pad 100 is an integral molding structure.
The design method of suspension limit rubber pad provided in this embodiment, firstly, by being arranged lug boss 12 in plane
The center in portion 11, and planar portions 11 are square along the projection of 12 short transverse of lug boss, and will have lug boss 12 and plane
1 rectangular array of multiple monomers in portion 11, so as to so that the spacing of lug boss 12 in all directions is equal, and then can be with
It is equal the spacing of the lug boss 12 on suspension limit rubber pad 100 in all directions, improves the distribution of lug boss 12
Uniformity can first connect with lug boss 12 when power assembly generates larger displacement, and suspension is caused to hit suspension limit rubber pad 100
Touching can make being more uniformly stressed for suspension limit rubber pad 100 since the uniformity that lug boss 12 is distributed is high, and then can be with
It is relieved the raising trend of suspension rigidity, substantially reduces pause and transition in rhythm or melody and the abnormal sound of automobile；Secondly, the lug boss 12 of rectangular array
Smooth outflow in the interval between lug boss 12 can be enabled air to formation rule and straight air communication channel, from
And the heat dissipation effect of suspension limit rubber pad 100 is improved, increase the durability of suspension limit rubber pad 100；Finally, passing through
Monomer 1 is designed, modularized design may be implemented, versatility is stronger, limits rubber pad for the different suspension of shape and size
100, it need to only change the rectangular array quantity of monomer 1, without limiting the individually designed protrusion of rubber pad 100 for each suspension
The arrangement mode in portion 12 improves desin speed so as to design processes simplified.
It should be pointed out that when the shape of suspension limit rubber pad 100 is identical with the shape of aggregate 2, i.e., it is outstanding
Limit rubber pad 100 is set in rectangle, and when the size of rectangle and the completely the same size of aggregate 2, step 3 can be omitted, be not necessarily to
The shape of suspension limit rubber pad 100 is drawn on aggregate 2.In addition, it may also be noted that in the present embodiment, projecting
Area refers both to the projected area along 12 short transverse of lug boss.
It preferably, in step 3, further include step if the contour line of suspension limit rubber pad 100 passes through lug boss 12
3 ': the lug boss 12 passed through by the contour line of suspension limit rubber pad 100 is accepted or rejected.I.e. suspension limits rubber pad 100
Contour line, which can be divided, generates some incomplete lug bosses 12, needs to accept or reject incomplete lug boss 12 at this time.
Further, in step 3 ' in, if the lug boss 12 that the contour line of suspension limit rubber pad 100 passes through is limited in suspension
Part in the contour line of position rubber pad 100 is greater than or equal to the projected area of lug boss 12 along the projected area of its short transverse
50% when, then retain lug boss 12；Otherwise, give up lug boss 12.I.e. when lug boss 12 is along the remnants projection of its short transverse
When area is greater than or equal to lug boss 12 along the 50% of the total projection area of its short transverse, then any place is not made to lug boss 12
Reason, when lug boss 12 is less than lug boss 12 along the total projection area of its short transverse along the remaining projected area of its short transverse
When 50%, needs to remove remaining lug boss 12, only retain planar portions 11.It designs, is beneficial to prevent convex in this manner
Play portion 12 causes structural stability poor due to undersized, and damage is easy to happen in knockout process.In addition, it is necessary to point out
It is due to 12 negligible amounts of lug boss being adjusted and the edge of suspension limit rubber pad 100 to be distributed in, so still can be with
It is equally distributed that lug boss 12, which is approximately considered, on suspension limit rubber pad 100.
Preferably, lug boss 12 accounts for 34% or more of the projected area of planar portions 11 along the projected area of its short transverse.
Guarantee that lug boss 12 is entirely hanging by guaranteeing the accounting of the projected area of each 1 upper projecting portion 12 of monomer, and then being more advantageous to
The area accounting on limit rubber pad 100 is set, even if after accepting or rejecting incomplete lug boss 12, remaining to make 12 edge of lug boss
The projected area of its short transverse accounts for 30% or more of the projected area of entire suspension limit rubber pad 100, to be conducive to drop
The pause and transition in rhythm or melody of low automobile and abnormal sound.
Optionally, lug boss 12 is the hemispherical that radius is 2mm.Radius by controlling lug boss 12 can be mentioned further
Rise the rigidity buffering effect and heat dissipation effect of lug boss 12.Optionally, the side length of planar portions 11 is 6mm.That is the throwing of planar portions 11
Shadow is the square that side length is 6mm.According to square _type layout, it is more advantageous to and guarantees that the spacing of lug boss 12 in all directions is equal
It is equal.Optionally, planar portions 11 with a thickness of 4mm.It should be pointed out that the side length and thickness of planar portions 11 can be according to realities
Border demand is adjusted, and this is not restricted.
As shown in Figure 5-Figure 7, the suspension limit rubber pad 100 for being designed and being produced using above-mentioned design method can be applicable to electricity
In driving suspension.Specifically, electric drive suspension includes suspension limit rubber pad 100, suspension skeleton 200, electric drive suspended rubber
Main spring 400 and electric drive suspend inner tube 500, and electric drive suspending rubber mainspring 400 is set on suspension skeleton 200, and electric drive is outstanding
It sets inner tube 500 to be set in the accommodating chamber of electric drive suspending rubber mainspring 400, suspension limit rubber pad 100 is sheathed on electric drive
It suspends in inner tube 500.In the present embodiment, waist-shaped hole, suspension limit rubber pad 100 are provided on suspension limit rubber pad 100
Outer diameter be 90mm.
In order to preferably show the performance of suspension limit rubber pad 100 in above-mentioned electric drive suspension, as shown in figure 8, this reality
Apply example give electric drive suspension comparative example one between stiffness curve relativity.The limit of suspension used in comparative example one
The shape and size of position rubber pad limit rubber pad 100 with suspension used in electric drive provided in this embodiment suspension
It is identical, while the working condition of vehicle driving is also consistent, the difference is that in comparative example one on suspension limit rubber pad simultaneously
Not set lug boss 12.As seen from Figure 8, two stiffness curves are linearly increased in certain displacement, still
The rigidity of electric drive suspension provided in this embodiment is gone through a slow propagation process after linear increase and is just changed into rapid increasing
It is long, and the stiffness curve of comparative example one is directly translated into after linear increase and increases rapidly, inflection point phenomenon clearly, therefore,
Compared with comparative example one, in the present embodiment electric drive suspension used in suspension limit rubber pad 100 to improve automobile pause and transition in rhythm or melody
Have the effect of with abnormal sound more obvious.
As shown in figures 4 and 9, the suspension limit rubber pad 100 for being designed and being produced using above-mentioned design method can be applicable to
In engine mounting.Specifically, engine mounting includes suspension limit rubber pad 100, suspension skeleton 200 and engine mounting aluminium
Core 300, engine mounting aluminium core 300 are set on suspension skeleton 200, and suspension limit rubber pad 100 is sheathed on engine mounting
In aluminium core 300.In the present embodiment, suspension limit rubber pad 100 is in circular ring shape, and the outer diameter of suspension limit rubber pad 100 is
100mm, internal diameter 32mm.After remaining lug boss 12 is removed, the projected area of lug boss 12 accounts for suspension limit rubber pad 100
Area 33.5%.
In order to preferably show the performance of suspension limit rubber pad 100 in above-mentioned engine mounting, as shown in Figure 10, this reality
It applies example and gives stiffness curve relativity between engine mounting and comparative example two.The limit of suspension used in comparative example two
The shape and size of position rubber pad and the radius of lug boss 12 are and used in engine mounting provided in this embodiment
Suspension limits the identical of rubber pad 100, while the working condition of vehicle driving is also consistent, the difference is that lug boss 12
Arrangement mode is in radiation distribution by annulus inner ring on suspension limit rubber pad in two protrusions portion of comparative example outward.By scheming
10 as can be seen that two stiffness curves are linearly to increase in certain displacement, but provided in this embodiment start
The rigidity of machine suspension, which is gone through a slow propagation process after linear increase and is just changed into, to be increased rapidly, and the rigidity of comparative example two
Curve is directly translated into after linear increase and increases rapidly, inflection point phenomenon clearly, therefore, compared with comparative example two, this reality
It is more obvious to apply having to improvement automobile pause and transition in rhythm or melody and abnormal sound for the used suspension limit rubber pad 100 of engine mounting in example
Effect.
Note that the above is only a better embodiment of the present invention and the applied technical principle.It will be appreciated by those skilled in the art that
The invention is not limited to the specific embodiments described herein, be able to carry out for a person skilled in the art it is various it is apparent variation,
It readjusts and substitutes without departing from protection scope of the present invention.Therefore, although being carried out by above embodiments to the present invention
It is described in further detail, but the present invention is not limited to the above embodiments only, without departing from the inventive concept, also
It may include more other equivalent embodiments, and the scope of the invention is determined by the scope of the appended claims.
Claims (10)
1. a kind of design method of suspension limit rubber pad, which comprises the steps of:
Step 1, design monomer (1), the monomer (1) includes planar portions (11) and lug boss (12), and the lug boss (12) is in
Hemispherical, the planar portions (11) are square along the projection of the lug boss (12) short transverse, lug boss (12) position
In the center of the square；
Step 2, by multiple monomer (1) rectangular array close-packed arrays to form aggregate (2)；
Step 3, the shape that suspension limit rubber pad (100) is drawn on the aggregate (2)；
Step 4 produces suspension limit rubber pad (100) according to the shape that step 3 is drawn.
2. the design method of suspension limit rubber pad according to claim 1, which is characterized in that in the step 3, if
The contour line of suspension limit rubber pad (100) passes through the lug boss (12), then further includes step 3 ': to by the suspension
The lug boss (12) that the contour line of limit rubber pad (100) passes through is accepted or rejected.
3. the design method of suspension limit rubber pad according to claim 2, which is characterized in that in the step 3 ' in,
If the lug boss (12) that the contour line of suspension limit rubber pad (100) passes through limits rubber pad in the suspension
(100) the part in contour line is greater than or equal to the projected area of the lug boss (12) along the projected area of its short transverse
50% when, then retain the lug boss (12)；Otherwise, give up the lug boss (12).
4. the design method of suspension limit rubber pad according to claim 1, which is characterized in that lug boss (12) edge
The projected area of its short transverse accounts for 34% or more of the projected area of the planar portions (11).
5. the design method of suspension limit rubber pad according to claim 1, which is characterized in that lug boss (12) edge
The projected area of its short transverse accounts for 30% or more of the projected area of suspension limit rubber pad (100).
6. the design method of suspension limit rubber pad according to claim 1, which is characterized in that the lug boss (12) is
Radius is the hemispherical of 2mm.
7. the design method of suspension limit rubber pad according to claim 1, which is characterized in that the planar portions (11)
Side length is 6mm.
8. the design method of suspension limit rubber pad according to claim 1, which is characterized in that the planar portions (11)
With a thickness of 4mm.
9. the design method of suspension limit rubber pad according to claim 1, which is characterized in that the suspension limits rubber
Waist-shaped hole is provided on pad (100), the outer diameter of suspension limit rubber pad (100) is 90mm.
10. the design method of suspension limit rubber pad according to claim 1, which is characterized in that the suspension limits rubber
Rubber mat (100) is in circular ring shape, and the outer diameter of suspension limit rubber pad (100) is 100mm, internal diameter 32mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910477706.XA CN110219919B (en) | 2019-06-03 | 2019-06-03 | Design method of suspension limiting rubber pad |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910477706.XA CN110219919B (en) | 2019-06-03 | 2019-06-03 | Design method of suspension limiting rubber pad |
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| Publication Number | Publication Date |
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| CN110219919A true CN110219919A (en) | 2019-09-10 |
| CN110219919B CN110219919B (en) | 2021-04-09 |
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| EP0816179A2 (en) * | 1996-06-26 | 1998-01-07 | YMOS AKTIENGESELLSCHAFT Industrieprodukte | Impact absorber for motor vehicles |
| EP0744281A3 (en) * | 1995-05-24 | 1998-05-13 | Sommer S.A. | Sound absorbing product having an integrated energy absorber and production method thereof |
| EP0864467A2 (en) * | 1997-03-06 | 1998-09-16 | YMOS AKTIENGESELLSCHAFT Industrieprodukte | Shock absorber |
| US20050248180A1 (en) * | 2004-05-06 | 2005-11-10 | Grupo Antolin-Ingenieria, S.A. | Energy absorbing element and manufacturing procedure thereof |
| CN202165504U (en) * | 2011-08-04 | 2012-03-14 | 北京华强京工机械制造有限公司 | Rubber spring |
| CN105782305A (en) * | 2014-12-16 | 2016-07-20 | 常州市华奥泡塑新材料有限公司 | Buffer block for automobile |
| CN205768608U (en) * | 2016-06-20 | 2016-12-07 | 奇瑞汽车股份有限公司 | The rubber mounting device of abnormal sound can be solved |
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2019
- 2019-06-03 CN CN201910477706.XA patent/CN110219919B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0744281A3 (en) * | 1995-05-24 | 1998-05-13 | Sommer S.A. | Sound absorbing product having an integrated energy absorber and production method thereof |
| EP0816179A2 (en) * | 1996-06-26 | 1998-01-07 | YMOS AKTIENGESELLSCHAFT Industrieprodukte | Impact absorber for motor vehicles |
| EP0864467A2 (en) * | 1997-03-06 | 1998-09-16 | YMOS AKTIENGESELLSCHAFT Industrieprodukte | Shock absorber |
| US20050248180A1 (en) * | 2004-05-06 | 2005-11-10 | Grupo Antolin-Ingenieria, S.A. | Energy absorbing element and manufacturing procedure thereof |
| CN202165504U (en) * | 2011-08-04 | 2012-03-14 | 北京华强京工机械制造有限公司 | Rubber spring |
| CN105782305A (en) * | 2014-12-16 | 2016-07-20 | 常州市华奥泡塑新材料有限公司 | Buffer block for automobile |
| CN205768608U (en) * | 2016-06-20 | 2016-12-07 | 奇瑞汽车股份有限公司 | The rubber mounting device of abnormal sound can be solved |
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| CN110219919B (en) | 2021-04-09 |
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