CN201517580U - Engine rubber suspension - Google Patents
Engine rubber suspension Download PDFInfo
- Publication number
- CN201517580U CN201517580U CN2009200945852U CN200920094585U CN201517580U CN 201517580 U CN201517580 U CN 201517580U CN 2009200945852 U CN2009200945852 U CN 2009200945852U CN 200920094585 U CN200920094585 U CN 200920094585U CN 201517580 U CN201517580 U CN 201517580U
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- overcoat
- motor
- rubber
- rubber pad
- rubber mounting
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Abstract
The utility model relates to an engine rubber suspension used for reducing vibration and noise for a car, which belongs to the field of auto parts. The engine rubber suspension mainly comprises an inner sleeve, an outer sleeve, a rubber pad and an interlayer lining, wherein the upper and the lower ends of the inner sleeve adopt metal cylinders with different diameters and are connected through a taper face structure at the middle part, and a bolt of an engine penetrates the inner sleeve and transmits the force and the vibration through the contact of a taper face; the center of the outer sleeve also adopts a taper face structure, and the upper part of the outer sleeve extends out of a horizontal plane and is connected and fixed with a pedestal through a positioning screw; the rubber pad is vulcanized between the inner sleeve and the outer sleeve; and the interlayer lining where a taper face structure is embedded forms a coaxial sandwich-shaped structure together with the inner sleeve and the outer sleeve. The engine rubber suspension has the advantages of simple and compact structure, low manufacturing cost, reasonable load carrying and good operating stability, and also can play a role in reducing the vertical vibration force and the horizontal vibration force of the engine.
Description
Technical field:
The utility model relates to a kind of motor rubber mounting, belongs to the auto parts and components field.
Background technique:
In the last few years, on the one hand along with Automobile Design develops, causes the engine luggine aggravation to high pulling torque, lightweight direction, its difficult quality reduces, but motor proportion in complete vehicle quality rises to some extent, so motor increases relatively to the vibrational excitation of automobile.More than allly multifactorly make engine luggine excitation become the main vibration source of automobile, the cyclic fluctuation of its output torque and rigid body vibration and elastic vibration that unbalance inertia force (square) had both evoked power assembly itself, the various vibrations and these vibrations that evoke torsional vibration, flexure vibrations and the car load of automotive power transmission system again cause the noise that air in a car compartment resonance produces, thereby cause very complicated vibration, noise and structural fatigue strength problem, the NVH characteristic degradation of car load.Along with the raising of expanding economy and living standards of the people, the riding comfort of automobile more and more is subjected to people and payes attention on the other hand, and travelling comfort has become the main performance index of automobile.The vibration isolation characteristic of motor rubber mounting has very significant effects to the riding comfort of automobile; well behaved motor rubber mounting not only can reduce the transmission of vibration to vehicle frame; reduce internal car noise, improve riding comfort, but also can protect power assembly better.Internal stress distribution inequality when traditional motor rubber mounting is worked, localized stress is excessive, the easy fatigue ruption of rubber pad was lost efficacy under engine weight and complicated strong vibrational excitation, tear at rubber pad and Structural Hardware sulfuration junction plane place, objectively require design performance excellence, good operating stability, endurance rational in infrastructure, force-bearing situation is reasonable, the motor rubber mounting of long service life.
Summary of the invention:
The purpose of this utility model is: a kind of motor rubber mounting is carried out structure improvement, make it have high intensity and stationarity, effectively prolong its working life and a kind of motor rubber mounting is provided.
This motor rubber mounting not only can support motor car engine weight, can also and vibrate the effect of playing decay to motor all directions impact force; The rubber pad acting in conjunction with shearing force that is stressed, good operating stability, force-bearing situation is reasonable, reduces the stress concentration phenomenon greatly; The rubber mounting compact structure is convenient to assembling, and fabricating cost is low, is easy to apply.According to reality, internally size, angle or the shape of cover, overcoat and interlayer lining are carried out certain variation simultaneously, can obtain several different structural types, thereby improve vibration isolating effect better, adapt to the diversified requirement of user.
Above-mentioned purpose of the present utility model is achieved in that accompanying drawings is as follows:
A kind of motor rubber mounting, mainly by interior cover, overcoat, rubber pad and interlayer lining are formed, overlap on (1) in described, the bottom is the uniform section tubular that differs in size, the middle part is a conically shaped, described overcoat (2) is a conically shaped, its outer surface is provided with positioning plate, positioning plate is provided with a plurality of positioning screw holes, positioning screwn therefrom penetrates with base fixedlys connected, described rubber pad (3) vulcanizes in interior cover (1), between the overcoat (2), wherein be embedded with the interlayer lining (4) of a conical surface structure, interior cover (1), the taper stress surface of the overcoat (2) and the interlayer lining (4) of centre forms coaxial " sandwich " structure jointly near parallel.
Be provided with circular groove on described rubber pad (3) lower end surface, circular groove internal surface and edge are rounding off.
The cross section of cover (1), overcoat (2) and interlayer lining (4) is circle, rectangle, square or equilateral and unequal-sided polygonal in described.
Cover (1) upper and lower end is provided with postive stop baffle (18,20) up and down in described, and upper limit baffle plate and interior cover top, lower limit baffle plate and joint, interior cover bottom are right angle, rounding or other any form transition.
Positioning plate on the described overcoat (2) is located at the upper and lower end or the middle part of overcoat (2), and when positioning plate was located at the upper end of overcoat (2) or middle part, overcoat (2) bottom was provided with the round edge that turns up that stress is concentrated when avoiding the rubber pad distortion.
Described interlayer lining (4) or be covered by in rubber pad (3) body, or its upper and lower end stretches out rubber pad (3) end face, and be designed to flange.
Main conception of the present utility model is to design interlayer lining 4 in traditional rubber mounting, approaching parallel with interior cover 1, the overcoat 2 taper stress surfaces of rubber mounting, form the coaxial circles tapered sleeve of " sandwich " structure, can bear the three-dimensional active force of motor simultaneously, and improve intensity, the rigidity of rubber mounting, reduce the distortion and the internal stress of cushion 3.Engine bolt penetrates in the interior trepanning, contact transmission motor gravity and various vibratory impulse with interior cover taper stress surface, overcoat 2 tops are extended horizontal plane and are connected and fixed with positioning screwn with base, vulcanize be stressed the acting in conjunction with shearing force of rubber pad 3 between interior cover 1, overcoat 2,4 reinforing functions of the interlayer lining that rubber pad 3 is inlayed, this rubber mounting is fit to the narrow and small situation of assembly space.Simultaneously according to rubber mounting vibration isolation mechanism and assembly space and position needs, size, angle and the shape of internal cover 1, overcoat 3 and interlayer lining 4, and motor rubber mounting horizontal section carried out more in depth design, develops a series of motor rubber mountings with different structure and function for you to choose.
The utility model is compared with traditional motor car engine rubber damping device has very significantly advantage:
The motor rubber mounting is designed the interlayer lining in rubber pad, approaching parallel with the inside and outside cover taper stress surface of rubber mounting, forms the concentric circle tapered sleeve of " sandwich " structure.Compare with traditional motor rubber mounting:
(1) compact structure is suitable for installing, and especially is fit to the narrow and small situation of assembly space;
(2) simple in structure, easily manufactured, cheap, of many uses;
(3) the inner force-bearing situation of rubber pad is reasonable, reduces stress and concentrates;
(4) antifatigue, survivable, good operating stability, long service life;
(5) excellent performance has suitable vibration isolation and damping performance.
Description of drawings
Fig. 1 is the sectional view of motor rubber mounting.
Fig. 2 (a) is the plan view of Fig. 1.
Fig. 2 (b) is the graphics of Fig. 1.
Fig. 3 (a) becomes 50 ° motor rubber mounting sectional view for interior cover taper stress surface angle.
Fig. 3 (b) is the plan view of Fig. 3 (a).
Fig. 4 (a) is the graphics of foursquare motor rubber mounting for characteristic cross-section.
Fig. 4 (b) is the sectional view of Fig. 4 (a).
Fig. 4 (c) is the plan view of Fig. 4 (a).
Fig. 5 (a) is the graphics of another kind of motor rubber mounting overcoat.
The plan view of Fig. 5 (b) Fig. 5 (a).
Fig. 6 (a) is the sectional view that has the motor rubber mounting of upper and lower spacing baffle plate.
Fig. 6 (b) is the graphics of the interior cover of rubber mounting shown in Fig. 6 (a).
Fig. 7 (a) is the graphics of positioning plate by the motor rubber mounting of overcoat bottom.
Fig. 7 (b) is the sectional view of Fig. 7 (a).
Fig. 7 (c) is the plan view of Fig. 7 (a).
Fig. 8 (a) is the sectional view of the mid-motor rubber mounting of overcoat positioning plate.
Fig. 8 (b) is the graphics of the overcoat of rubber mounting shown in Fig. 8 (a).
Fig. 9 is the sectional view of the motor rubber mounting of the outstanding rubber body of interlayer lining.
Figure 10 (a) is the sectional view of the motor rubber mounting of interlayer lining two ends crimp.
Figure 10 (b) is the graphics of the interlayer lining of rubber mounting shown in Figure 10 (a).
Among the figure: 1. locating hole 23. location-plates and junction 24. middle part location-plates, 25. interlayer gasket end 26. rubber blanket chamferings, 27. interlayer lining crimp 28. rubber of overcoat and the interlayer lining of interlayer lining combination interface edge chamfer 29. two ends crimps about the locating hole 18. upper limit baffle plates 19. on 6. inner sleeve taper surfaces, 7. inner sleeve bottoms, inner sleeve 2. overcoats, 3. rubber blanket 4. interlayer linings, 5. inner sleeve tops, 8. location-plates, 9. overcoat taper surfaces, 10. flangings, 11. rubber blanket chamferings, 12. interlayer lining chamferings, 13. locating holes, 14. angles, 15. chamferings, 16. top location-plates, the 17. top location-plates have on inner sleeve bottom 20. lower limit baffle plates, 21. bottom location-plates, the 22. bottom location-plates of postive stop baffle
Embodiment:
Further specify particular content of the present utility model and working procedure thereof below in conjunction with the accompanying drawing example illustrated.
Consult Fig. 1: motor rubber mounting of the present utility model is made up of interior cover 1, overcoat 2, rubber pad 3, interlayer lining 4,3 sulfurations are connected with rubber pad respectively for interior cover 1, overcoat 2, between the inside and outside cover of rubber mounting, embed interlayer lining 4 in the rubber material, form " sandwich " structure, reach the effect that increases rubber mounting intensity.
Interior cover top 5, interior cover bottom 7 are respectively the different metallic cylinder of diameter, by interior cover conical surface 6 connections at middle part; In cover 1 hollow, engine bolt penetrates and contact transmission motor gravity and various vibratory impulse with interior cover conical surface 6.
In the middle of the rubber mounting overcoat 2 is conical surface; Horizontal location plate 8 is extended on overcoat top, and according to the assembly space stamping-out go out needs shape, go out positioning hole 13 and itself and base be connected and fixed whole motor rubber mounting by a plurality of positioning screwns; Stress was concentrated when overcoat bottom flanging 10 was out of shape to avoid rubber pad.
Sulfuration is provided with circular groove on the interior cover 1 of rubber mounting, rubber pad 3 lower end surface on the overcoat 2, circular groove internal surface and edge are rounding off, avoids stress to concentrate and tear.
Interlayer lining 4 upper and lower end face chamferings 12, therefore with rubber pad sulfuration joint interface on can not cause that big stress concentrates.
The taper stress surface of inside and outside cover is approaching parallel with interlayer lining 4, forms the coaxial circles tapered sleeve of " sandwich " structure.
The inside and outside cover of rubber mounting and the stress surface of interlayer lining are conical surface, so be stressed acting in conjunction with shearing force of rubber mounting, in the time can bearing vertical force and impact, can also be simultaneously longitudinal force and lateral force be played the effect of damping.
Motor rubber mounting of the present utility model, when satisfying structure, arrangement requirement, can obviously reduce rubber pad 3 and interior cover 1, overcoat 2 surface of contact place stress, reduce rubber pad is torn generation at contact interface possibility, and the block rubber integrated stress is all smaller, and it is possible less that rubber destroys.
Motor rubber mounting of the present utility model has compact structure, is fit to the characteristics of narrow and small assembly space.Reliable operation, cost is low, and is of many uses, can effectively improve the characteristics such as NVH characteristic of automobile.
Motor rubber mounting of the present utility model, its characteristic cross-section can have different structural types such as rectangle, square, polygonal; Cover 1, overcoat 2 and interlayer lining 4 also have several different sizes, angle selective in it; Interlayer lining 4 can prolong the size processus aboralis and go out the rubber pad, and crimp can be according to circumstances carried out at its two ends; The overcoat positioning plate can be located at its lower end or middle part, in order to improve vibration isolating effect better, reduces internal stress, satisfies different assembling and positioning demands.
Motor rubber mounting of the present utility model, weight that can supporting engine, the limiting engine over-large displacement: cover 1 contacted with interior cover conical surface 6 in the motor holding down bolt penetrated during assembling, under the weight of motor, cause and overlap 1 downward displacement in the rubber mounting, rubber pad 3 is compressed, and inside is stressed and shearing force produces support reaction; Horizontal location plate 8 is extended on overcoat 2 tops, and goes out positioning hole 13, passes positioning hole by a plurality of positioning screwns it is connected with base, fixes whole motor rubber mounting, and then reaches the weight of supporting engine, the purpose of limiting engine over-large displacement.
Motor rubber mounting of the present utility model, the various vibrations of motor can decay: cover 1 contacted with interior cover conical surface 6 in engine bolt penetrated, cover conical surface 6 passed to rubber pad 3 by interior cover again in the vibratory impulse of motor was delivered to by engine bolt; When the rubber pad 3 of rubber mounting is subjected to time spent of doing of power, its distortion lags behind a period of time, and it is heat energy that this explanation has the partial vibration Conversion of energy, i.e. frictional damping came attenuation vibration in rubber pad distortion provided.The interlayer lining 4 that rubber mounting is embedded, approaching parallel with interior cover 1, the overcoat 2 taper stress surfaces of rubber mounting, the coaxial circles tapered sleeve of formation " sandwich " structure can partly bear motor gravity and vibration, improve the rigidity of rubber pad, reduce the distortion and the internal stress of rubber mount 3.Overcoat 2 connects rubber mounting and engine stand, prevents that simultaneously rubber mounting from excessive distortion and displacement taking place.Like this, finally the vibration that is delivered to vehicle frame by overcoat positioning plate 8 is decayed significantly, reaches the purpose of vibration isolation.
The utility model----motor rubber mounting, its inside and outside cover and interlayer lining taper stress surface can have multiple angle of inclination.The results showed that internal stress size, distribution and the rigidity of motor rubber mounting are relevant with the angle of taper stress surface, thereby can mate the motor rubber mounting of different vibration isolation requirements according to these parameters.Fig. 3 all changes the sectional view and the plan view of the motor rubber mounting that equal angular gets for inside and outside cover and interlayer lining taper stress surface angle, interior cover taper stress surface angle 14 becomes 50 °, and inside and outside cover still is near parallel " sandwich " structure coaxial circles tapered sleeve with the taper stress surface of interlayer lining.Compare with former motor rubber mounting, the rubber pad internal stress distribution is more balanced during work, and especially at former stress excessive rubber pad and overcoat contact interface place, stress obviously reduces, and has reduced the possibility of destroying; Meanwhile the vertical stiffness of motor rubber mounting changes not quite, does not promptly still hinder original function and location.
Motor rubber mounting of the present utility model, its radially characteristic cross-section can have several different shapes, to adapt to conditional requests such as various different assembly spaces, positioning hole distribution and force status.
First kind of structure consulted shown in Figure 3.The whole radially characteristic cross-section of this kind structure engine rubber mounting is a square, note this moment each seamed edge must chamfering 15 to avoid stress to concentrate, Fig. 3 (b) is its sectional view and plan view.Radially characteristic cross-section is except circle, can also be rectangle, triangle, equilateral and unequal-sided polygonal etc.
Second kind of structure consulted shown in Figure 4.This kind structure is that the another kind of the horizontal location plate of overcoat may shape.For adapting to different installing and locating situations, positioning plate can stamping-out becomes to meet the Any shape of matching requirements, notes reserving the position of installing and locating screw and pad.Can see that from plan view 4 (b) top positioning plate 16 is rhombus, the arrangement that assumes diamond in shape of top positioning hole, when the radially characteristic cross-section of motor rubber mounting was not circle, the difference on this shaped position was more obvious.
Motor rubber mounting of the present utility model, the upper and lower part of its interior cover can increase limit structure, as Fig. 5 (a).Extending outward upper limit baffle plate 18 as Fig. 5 (b) set upper side level in the motor rubber mounting, is an annular horizontal steel plate, and interior cover lower end is prolonged vertically downward, and the corresponding thickening in rubber pad bottom is equivalent to whole rubber mounting height and strengthens; Extend horizontally away lower limit baffle plate 20 in interior cover lower end, this baffle plate also is an annular horizontal steel plate.Lower limit baffle plate 20 can be out of shape when excessive producing upward over-large displacement, rubber mounting when motor, cover over-large displacement upward in the restriction, avoiding engine location to change excessive the generation with miscellaneous part interferes, also avoid excessive its internal stress that causes of rubber pad distortion excessive, especially the interface upper stress of rubber and Structural Hardware sulfuration is concentrated and is produced tear failure.Cover over-large displacement downwards in like manner the upper limit baffle plate 18 on top can limit.Upper limit baffle plate and interior cover top, lower limit baffle plate and joint, interior cover bottom are right angle, rounding or other any form transition.
Motor rubber mounting of the present utility model, its overcoat can have multiple structural type.Under the prerequisite that satisfies basic supporting fixation, overcoat can be taked different structures according to the assembling and positioning situation.When positioning plate was located at the upper end of overcoat (2) or middle part, overcoat (2) bottom was provided with the round edge that turns up that stress is concentrated when avoiding the rubber pad distortion.
First kind of structure consulted shown in Figure 6.This kind structure is in the overcoat bottom with the design of overcoat positioning plate, be applicable to base locating face and the vertical distance of motor holding down bolt situation far away, as Fig. 6 (a) graphics: extend the horizontal location plate by the overcoat bottom, and go out the shape of needs, go out positioning hole and itself and base are connected and fixed whole motor rubber mounting thereon by a plurality of positioning screwns according to the assembly space stamping-out.Fig. 6 (b) is its sectional view and plan view.
Second kind of structure consulted shown in Figure 7.This kind structure designs the overcoat that obtains at the middle part for positioning plate, to adapt to different assembly space requirements.Among Fig. 7 (b), the joint 23 of horizontal location plate and overcoat conical surface both can be cast into one, also can be welded, and this moment, positioning plate and overcoat were independently two punching presses or stamping-out part separately, and be simple in structure, easily manufactured, cheap.According to the difference of assembling and positioning situation, can design the overcoat that positioning plate is positioned at the different shape of diverse location.
Motor rubber mounting of the present utility model, its interlayer lining can have multiple structural type.The axial cross section shape of interlayer lining can influence rubber mounting rigidity and rubber pad internal stress distribution.
First kind of structure consulted shown in Figure 8.This kind structure is for extending to the interlayer lining that obtains behind the outstanding rubber pad up and down with its end along conical surface.At this moment interlayer gasket end 25 needn't chamfering, can reduce manufacture cost, but this moment rubber pad with interlayer lining combination interface edge must chamfering in order to avoid stress is concentrated.
Second kind of structure consulted shown in Figure 9.The interlayer lining that this kind structure obtains for the crimp that its axial cross section edge designs is become to have suitable radius, as Fig. 9 (a), this moment rubber and interlayer lining combination interface edge also fibrous root according to the situation chamfering.Crimp 27 can make the inner force-bearing situation of rubber mount reasonable, effectively reduces stress raisers, increases the service life.
Motor rubber mounting of the present utility model, its interlayer lining can have different sizes.Stressing conditions according to rubber pad requires different with the rigidity bearing that needs motor rubber mounting provides, can its diameter will be changed, make it more close interior cover or overcoat, its length also can be adjusted, and mates the motor rubber mounting of different vibration isolation requirements according to these parameters.
Claims (6)
1. motor rubber mounting, mainly by interior cover, overcoat, rubber pad and interlayer lining are formed, it is characterized in that, overlap on (1) in described, the bottom is the uniform section tubular that differs in size, the middle part is a conically shaped, described overcoat (2) is a conically shaped, its outer surface is provided with positioning plate, positioning plate is provided with a plurality of positioning screw holes, positioning screwn therefrom penetrates with base fixedlys connected, described rubber pad (3) vulcanizes in interior cover (1), between the overcoat (2), wherein be embedded with the interlayer lining (4) of a conical surface structure, interior cover (1), the taper stress surface of the overcoat (2) and the interlayer lining (4) of centre forms coaxial " sandwich " structure jointly near parallel.
2. motor rubber mounting according to claim 1 is characterized in that, is provided with circular groove on described rubber pad (3) lower end surface, and circular groove internal surface and edge are rounding off.
3. motor rubber mounting according to claim 1 is characterized in that, the cross section of described interior cover (1), overcoat (2) and interlayer lining (4) is circle, rectangle, square or equilateral and unequal-sided polygonal.
4. motor rubber mounting according to claim 1, it is characterized in that, cover (1) upper and lower end is provided with postive stop baffle (18,20) up and down in described, and upper limit baffle plate and interior cover top, lower limit baffle plate and joint, interior cover bottom are right angle, rounding or other any form transition.
5. motor rubber mounting according to claim 1, it is characterized in that, positioning plate on the described overcoat (2) is located at the upper and lower end or the middle part of overcoat (2), when positioning plate was located at the upper end of overcoat (2) or middle part, overcoat (2) bottom was provided with the round edge that turns up that stress is concentrated when avoiding the rubber pad distortion.
6. motor rubber mounting according to claim 1 is characterized in that, described interlayer lining (4) or be covered by in rubber pad (3) body, or its upper and lower end stretches out rubber pad (3) end face, and be designed to flange.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200945852U CN201517580U (en) | 2009-10-26 | 2009-10-26 | Engine rubber suspension |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200945852U CN201517580U (en) | 2009-10-26 | 2009-10-26 | Engine rubber suspension |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201517580U true CN201517580U (en) | 2010-06-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200945852U Expired - Fee Related CN201517580U (en) | 2009-10-26 | 2009-10-26 | Engine rubber suspension |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201517580U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102588501A (en) * | 2011-12-29 | 2012-07-18 | 宁波泛亚汽车部件有限公司 | Hydraulic suspension of engine |
| CN104163096A (en) * | 2013-12-12 | 2014-11-26 | 柳州市兴拓工贸有限责任公司 | Engine suspension device for four-cylinder diesel engine |
| CN105570369A (en) * | 2016-02-06 | 2016-05-11 | 青岛澳泰交通设备有限公司 | Rubber shock absorber |
| CN106915234A (en) * | 2017-03-17 | 2017-07-04 | 安徽江淮汽车集团股份有限公司 | New flat placed type suspending soft cushion assembly |
| CN107650662A (en) * | 2017-07-14 | 2018-02-02 | 安徽江淮汽车集团股份有限公司 | A kind of dynamic assembly suspension structure |
-
2009
- 2009-10-26 CN CN2009200945852U patent/CN201517580U/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102588501A (en) * | 2011-12-29 | 2012-07-18 | 宁波泛亚汽车部件有限公司 | Hydraulic suspension of engine |
| CN102588501B (en) * | 2011-12-29 | 2014-02-26 | 宁波泛亚汽车部件有限公司 | Hydraulic suspension of engine |
| CN104163096A (en) * | 2013-12-12 | 2014-11-26 | 柳州市兴拓工贸有限责任公司 | Engine suspension device for four-cylinder diesel engine |
| CN105570369A (en) * | 2016-02-06 | 2016-05-11 | 青岛澳泰交通设备有限公司 | Rubber shock absorber |
| CN106915234A (en) * | 2017-03-17 | 2017-07-04 | 安徽江淮汽车集团股份有限公司 | New flat placed type suspending soft cushion assembly |
| CN107650662A (en) * | 2017-07-14 | 2018-02-02 | 安徽江淮汽车集团股份有限公司 | A kind of dynamic assembly suspension structure |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100630 Termination date: 20121026 |