CN104675894B - Engagement rubber arthrosis itself and manufacture method - Google Patents
Engagement rubber arthrosis itself and manufacture method Download PDFInfo
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- CN104675894B CN104675894B CN201510093322.XA CN201510093322A CN104675894B CN 104675894 B CN104675894 B CN 104675894B CN 201510093322 A CN201510093322 A CN 201510093322A CN 104675894 B CN104675894 B CN 104675894B
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- mandrel
- metal
- lower convexity
- coating
- upper projection
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Classifications
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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
- F16F1/00—Springs
- F16F1/36—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers
- F16F1/38—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers with a sleeve of elastic material between a rigid outer sleeve and a rigid inner sleeve or pin, i.e. bushing-type
- F16F1/3863—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers with a sleeve of elastic material between a rigid outer sleeve and a rigid inner sleeve or pin, i.e. bushing-type characterised by the rigid sleeves or pin, e.g. of non-circular cross-section
-
- 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
- F16F2234/00—Shape
- F16F2234/02—Shape cylindrical
Abstract
Engagement rubber arthrosis, including mandrel, elastic rubbery body and metal-coating, mandrel, elastic rubbery body and overcoat entirety sulfide, it is characterized in that described mandrel axial wall is provided with along the described upper projection that mandrel is circumferentially distributed and shape size is the most identical and lower convexity, described upper projection and lower convexity are about the axis setting symmetrical above and below of described mandrel, described upper projection and lower convexity are all along described mandrel axial uniform intervals distribution, described upper projection is less than or equal to the diameter in the middle part of described mandrel along the width of described mandrel radial direction, there is on the inwall of described metal-coating the interior upper projection engaged with described upper projection and the interior lower convexity engaged with described lower convexity.The engagement rubber arthrosis of the present invention, its radial and axial ratio of rigidity is big less than 5:1 and radial and axial stiffness equivalent scope, and whole rubber arthrosis has two different deflection stiffness, and service life is longer.Present invention also offers the manufacture method of engagement rubber arthrosis.
Description
Technical field
The present invention relates to damping means technical field, particularly to rubber arthrosis and preparation method thereof, be mainly used in various machine
In car bogie of car rubber elastic element, it is simultaneously applicable to engineering machinery vibration damping position.
Background technology
Rubber arthrosis is a kind of conventional rubber-metal combined vibration-damping element also known as ball pivot rubber, can be widely applied to various
Vibration damping position, especially applies the most universal in the bogie of rolling stock.Rubber arthrosis applies the most universal structure to be three
The structure of big part formula (metal-coating+rubber+mandrel), and the performance of this structure substantially meets the use of various operating mode, shortcoming
It is that, when the radial/axial ratio of rigidity of rubber requires less than 5:1, this structure just can not meet and require that.In the last few years,
Along with technological progress, occur in that the zigzag combined rubber that the radial and axial ratio of rigidity that can realize less than 5:1 requires closes
Joint.Such as Chinese Patent Application No. is that 200710035527.8 entitled a kind of zigzags are combined ball hinged and make assembling side
Method, discloses that a kind of zigzag is combined ball hinged includes metal-coating, mandrel and elastic rubbery body, metal-coating and elastic rubber
Having metal spacer, metal spacer between colloid is two valve structures, and metal spacer becomes zigzag with mandrel, and both sawtooth are phases
Inlay mutually, be engaged and sulfide.Spacer is designed to two valve structures, first mandrel, two lobe spacers and rubber elastomer sulfur
Change is bonded together, then obtains finished product by interference fit press-in overcoat.Radial and axial ratio of rigidity can be realized and be less than 5:1,
But also having its limitation, the metal spacer of two valve structures is placed in the complicated integral structure of the chien shih ball pivot of mandrel and overcoat, metal every
Set and mandrel account for the most of space having had in metal-coating so that the gum elastic body thickness being placed between metal spacer and mandrel
Ratio is relatively thin, and the space that gum elastic body thickness adjusts is little, causes the radial rigidity of ball pivot big and the compression displacement of elastic rubbery body
Little so that radial rigidity and the axial rigidity adjusting range of ball pivot are little, in use cannot meet radial rigidity with the most just
The damping requirements at the big vibration damping position of degree excursion, at the circumference of metal spacer and the sawtooth of the circumferentially disposed whole circle of mandrel, makes
Obtaining ball pivot entirety deflection stiffness big, the sulfuration easily caused after ball pivot is aging between elastic rubbery body with metal spacer and mandrel is connected
Occur loosening and cause elastic rubbery body to bloat the phenomenons such as even metal core axle and metal spacer displacement shortening the service life of ball pivot.
Summary of the invention
The present invention is directed to joint type rubber in prior art and in use cannot meet radial rigidity and axial rigidity change
The damping requirements at the vibration damping position that scope is big and short technical problem in service life, it is provided that engagement rubber arthrosis, it is radially and axle
To ratio of rigidity big less than 5:1 and radial and axial stiffness equivalent scope, whole rubber arthrosis has two different deflections
Rigidity, service life is longer.Present invention also offers the manufacture method of engagement rubber arthrosis.
For reaching above-mentioned purpose the technical solution used in the present invention be: engagement rubber arthrosis, including mandrel, elastic rubbery body and
Metal-coating, mandrel, elastic rubbery body and overcoat entirety sulfide, it is characterised in that described mandrel axial wall is provided with edge
Described mandrel is circumferentially distributed and shape size is the most identical upper projection and lower convexity, described upper projection and lower convexity are about described
The axis setting symmetrical above and below of mandrel, described upper projection and lower convexity all along described mandrel axial uniform intervals distribution,
Described upper projection is less than or equal to the diameter in the middle part of described mandrel, described metal-coating along the width of described mandrel radial direction
Inwall on there is the interior upper projection engaged with described upper projection and the interior lower convexity engaged with described lower convexity.
Further, described upper projection along described mandrel radial width less than described interior protruding and interior lower convexity it
Between along described metal-coating minimum widith radially.
Further, described upper projection from the shape of described mandrel axial wall upper process and lower convexity from described mandrel
The shape of axial wall upper process is frustum.
Further, described interior upper projection from the shape of described metal-coating inwall upper process and interior lower convexity from institute
The shape of the metal-coating inwall upper process stated is frustum.
Further, the described elastic rubbery body between upper projection and lower convexity has and axially prolongs along described mandrel
The through hole stretched.
Further, the quantity of described through hole be two and two through holes right about the left and right, axis of described mandrel
Claim to arrange.
The manufacture method of above-described engagement rubber arthrosis, step is as follows:
One, mandrel is processed into there is the shape of upper projection and lower convexity, make projection and lower convexity be respectively less than along mandrel width radially
Diameter in the middle part of mandrel, processes protruding and interior lower convexity interior on the inwall of metal-coating, makes metal-coating be enclosed within outside mandrel
During face, upper projection can engage with interior upper projection, and lower convexity can engage with interior lower convexity；
Two, being enclosed within outside mandrel by metal-coating, make projection engage with interior upper projection, lower convexity engages with interior lower convexity；
Three, the metal-coating packaged and mandrel are inserted in sulfurizing mould, between elastic rubbery body is injected between metal-coating and mandrel
In gap, after being vulcanized by high temperature, high pressure, metal-coating, elastic rubbery body and mandrel entirety is made to sulfide formation rubber gold
Belong to sulfuration body；
Four, metal sulfuration body good for vulcanization forming is taken out in sulfurizing mould, metal sulfuration body is carried out precommpression and polish, shape
Become final engagement rubber arthrosis finished product.
Further, upper projection is less than between interior protruding and interior lower convexity outside described metal along mandrel radial width
Set minimum widith radially, described step 2 particularly as follows: be first directed at the entrance of metal-coating one end, by core by one end of mandrel
Upper projection on axle and lower convexity metal inner surface between upper protruding and interior lower convexity in being all directed at metal-coating, then inserts mandrel
Enter in metal-coating, make the upper projection on mandrel all be placed in metal-coating, finally by mandrel half-twist, make
Protruding and interior protruding engagement, lower convexity and the engagement of interior lower convexity.
Further, the gum elastic that the operation of the polish described in step 4 is included between projection and lower convexity
Offering along the described axially extended through hole of mandrel on body, the quantity of through hole is that two and two through holes are about in described mandrel
Axis is symmetrical set.
The invention has the beneficial effects as follows: the engagement rubber arthrosis of the present invention is by metal-coating, mandrel and elastic rubbery body sulfur
Change to connect and formed, decrease the metal spacer of two valve structures compared to existing technology, make the structure of rubber arthrosis more simplify, at mandrel
On laterally zygomorphic upper projection and lower convexity are set, for vacant space not projection between lower convexity and upper projection, outside metal
The interior upper projection engaged with upper projection and the interior lower convexity engaged with lower convexity, metal-coating and core sleeve are set on the inwall of set
Dress, after injecting elastic rubbery body between metal-coating and mandrel, the vacant space between upper projection and lower convexity is all filled bullet
Property rubber bodies, elastic rubbery body thickness between upper projection and lower convexity much larger than zigzag mandrel in prior art and metal every
The thickness of inner room elastic rubbery body, reduces the radial rigidity of rubber arthrosis, increases gum elastic body thickness and adjusts space and pressure
Contracting displacement, the adjusting range making the radial rigidity of rubber arthrosis and axial rigidity is bigger, can meet radial rigidity and axial rigidity
The damping requirements at the vibration damping position that excursion is big, elastic rubbery body metal-coating be internally divided into above mandrel axial wall and under
The elastic rubbery body of the vacant space between elastic rubbery body and upper projection and the lower convexity of the site of engagement in face, vacant space
Elastic rubbery body is bigger than the elastic rubbery body pre compressed magnitude of site of engagement, and the rubber scope of freedom is wider, therefore engagement rubber arthrosis tool
There are two different deflection stiffness, and the deflection stiffness of the elastic rubbery body of vacant space is less than the inclined of mate elastic rubbery body
Turning rigidity, the deflection stiffness that rubber arthrosis entirety is born is less, and the sulfuration between elastic rubbery body with metal-coating and shaft core is connected
Being not easy appearance to loosen, the service life of rubber arthrosis is longer.The manufacture method of the engagement rubber arthrosis of the present invention, by regulation
Upper projection and lower convexity regulate the radial direction of rubber arthrosis along the quantity of mandrel axial distribution and upper projection along mandrel width radially
With axial ratio of rigidity, make the rubber arthrosis produced can meet radially with axial rigidity ratio less than 5 and radial rigidity and the most firm
The damping requirements of the damping means that degree excursion is big.
Accompanying drawing explanation
Fig. 1 is the three-dimensional cutaway view of the engagement rubber arthrosis in embodiment.
Fig. 2 is the perspective view of mandrel.
Fig. 3 is the planar structure schematic diagram of mandrel.
Fig. 4 is the A direction view of Fig. 3.
Fig. 5 is the structural representation of metal-coating.
Fig. 6 is the A direction view of Fig. 5.
Fig. 7 is the side view engaging rubber arthrosis in embodiment.
Fig. 8 is step 2 and the manufacturing process schematic diagram of step 3 in the manufacture method engaging rubber arthrosis in example.
Detailed description of the invention
Below in conjunction with the accompanying drawings embodiments of the invention are elaborated.
As shown in Figures 1 to 7, rubber arthrosis is engaged, including mandrel 1, elastic rubbery body 2 and metal-coating 3, core
Axle 1, elastic rubbery body 2 and overcoat 3 entirety sulfide, and described mandrel 1 axial wall is provided with along described mandrel 1 week
To upper protruding 11 and lower convexity 12 that distribution and shape size are the most identical, described upper protruding 11 and lower convexity 12 are about described
The axis setting symmetrical above and below of mandrel 1, upper protruding 11 described and lower convexity 12 is all along described mandrel 1 the most uniformly
Spaced apart, described upper protruding 11 are along straight less than or equal in the middle part of described mandrel 1 of described mandrel 1 width radially
Footpath, the inwall of described metal-coating 3 has interior protruding 31 engaged with described upper protruding 11 and with described under convex
Play the interior lower convexity 32 of 12 engagements.Described upper protruding 11 are less than described interior epirelief along described mandrel 1 radial width L
Play the minimum widith H along described metal-coating 3 radial direction between 31 and interior lower convexity 32, by upper protruding 11 Hes of mandrel 1
Mandrel 1 can be inserted into gold when being respectively aligned between interior protruding 31 and interior lower convexity 31 of metal-coating 3 by lower convexity easily
Belong in overcoat 3.Described upper protruding 11 from the shape of described mandrel 1 axial wall upper process and lower convexity 12 from described mandrel
The shape of 1 axial wall upper process is frustum.Described interior protruding 31 are from the shape of described metal-coating 3 inwall upper process
Shape and interior lower convexity 32 are frustum from the shape of described metal-coating 3 inwall upper process.Described upper protruding 13 and under
Have along the described axially extended through hole of mandrel 1 21 on elastic rubbery body 2 between protruding 12.Described through hole 21
Quantity is two and two through holes 21 to be symmetrical set about the axis of described mandrel 1.Through hole 21 makes gum elastic
Body 2 has bigger compression stroke being compressed when, increases the scope of freedom of rubber so that upper protruding 11 and lower convexity 12 it
Between elastic rubbery body 2 compression time be not easy to be bloated.
Above-mentioned engagement rubber arthrosis decreases the metal spacer of two valve structures compared to existing technology, makes the structure of rubber arthrosis
More simplify, mandrel 1 arranges upper protruding 11 and lower convexity 12 of symmetry, is vacancy between lower convexity 11 and upper protruding 12
Space not projection, the inwall of metal-coating is arranged with on protruding 11 engage on projection 31 and with lower convexity 12
The interior lower convexity 32 of engagement, metal-coating 3 is set with mandrel 1, injects elastic rubbery body 2 between metal-coating 3 and mandrel 1
After, the vacant space between upper protruding 11 and lower convexity 12 is all filled elastic rubbery body, and elastic rubbery body 2 is in upper projection
With the thickness between lower convexity is much larger than the thickness of elastic rubbery body between zigzag mandrel and metal spacer in prior art, reduces
The radial rigidity of rubber arthrosis, increases elastic rubbery body 2 thickness and adjusts space and compression displacement amount, make the radial direction of rubber arthrosis
The adjusting range of rigidity and axial rigidity is bigger, can meet radial rigidity and the vibration damping at the big vibration damping position of axial rigidity excursion
Requirement, elastic rubbery body 2 is at the gum elastic being internally divided into the mandrel 1 above and below site of engagement of axial wall of metal-coating
The elastic rubbery body of the vacant space between body and upper protruding 11 and lower convexity 12, the elastic rubbery body of vacant space is than engagement
The elastic rubbery body pre compressed magnitude at position is bigger, and the rubber scope of freedom is wider, and therefore engagement rubber arthrosis has two different deflections
Rigidity, and the deflection stiffness of the elastic rubbery body of vacant space is less than the deflection stiffness of mate elastic rubbery body, rubber arthrosis
The deflection stiffness that entirety is born is less, the sulfuration between elastic rubbery body with metal-coating and shaft core be connected be not easy occur loosen,
The service life of rubber arthrosis is longer.
The manufacture method of above-described engagement rubber arthrosis, step is as follows:
One, mandrel 1 be processed into have upper protruding 11 and the shape of lower convexity 12, make protruding 11 and lower convexity 12 along mandrel 1
Width radially is respectively less than the diameter in the middle part of mandrel 1, the inwall of metal-coating 3 processes interior protruding 31 and interior under convex
Playing 32, when making metal-coating 3 be enclosed within outside mandrel 1, upper protruding 11 can engage with interior protruding 31, and lower convexity 12 can be with interior
Lower convexity 32 engages；
Two, upper protruding 11 it is less than between interior protruding 31 and interior lower convexity 32 along described metal-coating along mandrel 1 radial width L
3 minimum widith H radially, are first directed at the entrance of metal-coating 3 one end, as shown in Figure 8, by mandrel by one end of mandrel 1
Upper protruding 11 and lower convexity 12 on 1 is gone up in the metal between protruding 31 and interior lower convexity 32 in being all directed at metal-coating 3
Wall, is then inserted into mandrel 1 in metal-coating 3, makes on mandrel 1 upper protruding 11 to be all placed in metal-coating,
Finally by mandrel 1 half-twist, making protruding 11 and interior protruding 31 to engage, lower convexity 12 and interior lower convexity 32 are nibbled
Close；
Three, the metal-coating 3 packaged and mandrel 1 are inserted in sulfurizing mould, elastic rubbery body 2 is injected metal-coating 3 and mandrel
In gap between 1, after being vulcanized by high temperature, high pressure, make the overall sulfuration of metal-coating 3, elastic rubbery body 2 and mandrel 1
Form rubber-metal sulfuration body together；
Four, metal sulfuration body good for vulcanization forming is taken out in sulfurizing mould, metal sulfuration body is carried out precommpression and polish, shape
Become final engagement rubber arthrosis finished product.The elastic rubbery body 2 that wherein polish is included between protruding 13 and lower convexity 12
On offer the operation along the described axially extended through hole of mandrel 1 21, the quantity of through hole 21 is two and two through holes 21 close
It is symmetrical set in the axis of described mandrel 1.
The manufacture method of above-mentioned engagement rubber arthrosis, is axially divided along mandrel by regulation upper protruding 11 and lower convexity 12
The quantity of cloth and upper protruding 11 regulates the radial direction of rubber arthrosis and axial ratio of rigidity along mandrel width radially, makes making
The rubber arthrosis gone out can meet radially with axial rigidity ratio less than 5 and radial rigidity and the big damping means of axial rigidity excursion
Damping requirements.
Above in association with accompanying drawing, the technical scheme of embodiments of the invention is completely described, it should be noted that described
Embodiment is only a part of embodiment of the present invention.Based on the embodiment in the present invention, those of ordinary skill in the art are not having
The every other embodiment obtained on the premise of making creative work, broadly falls into the scope of protection of the invention.
Claims (9)
1. engagement rubber arthrosis, including mandrel (1), elastic rubbery body (2) and metal-coating (3), mandrel (1), elastic rubbery body
(2) sulfide with overcoat (3) entirety, it is characterised in that described mandrel (1) axial wall is provided with along described mandrel
(1) upper projection (11) that circumferentially distributed and shape size is the most identical and lower convexity (12), described upper projection (11) and under
Protruding (12) are about the axis setting symmetrical above and below of described mandrel (1), described upper projection (11) and lower convexity
(12) all along the axially uniform intervals distribution of described mandrel (1), described upper projection (11) is along described mandrel (1) footpath
To width less than or equal to the diameter at described mandrel (1) middle part, the inwall of described metal-coating (3) has and institute
Interior upper projection (31) that the upper projection (11) stated engages and the interior lower convexity (32) engaged with described lower convexity (12).
Engagement rubber arthrosis the most according to claim 1, it is characterised in that described upper projection (11) is along described mandrel
(1) radial width is less than between described interior upper projection (31) and interior lower convexity (32) along described metal-coating (3) footpath
To minimum widith.
Engagement rubber arthrosis the most according to claim 2, it is characterised in that described upper projection (11) is from described mandrel
(1) shape and the lower convexity (12) of axial wall upper process is frustum from the shape of described mandrel (1) axial wall upper process.
Engagement rubber arthrosis the most according to claim 3, it is characterised in that described interior upper projection (31) is from described metal
Shape and the interior lower convexity (32) of overcoat (3) inwall upper process are equal from the shape of described metal-coating (3) inwall upper process
For frustum.
Engagement rubber arthrosis the most according to claim 4, it is characterised in that described upper projection (13) and lower convexity (12)
Between elastic rubbery body (2) on have along described mandrel (1) axially extended through hole (21).
Engagement rubber arthrosis the most according to claim 5, it is characterised in that the quantity of described through hole (21) is two and two
Individual through hole (21) is symmetrical set about the axis of described mandrel (1).
7. claim 1 is to the manufacture method engaging rubber arthrosis described in any one of claim 6, and step is as follows:
One, mandrel (1) is processed into there is upper projection (11) and the shape of lower convexity (12), make projection (11) and under convex
Play (12) and be respectively less than the diameter at mandrel (1) middle part along mandrel (1) width radially, on the inwall of metal-coating (3)
Process interior upper projection (31) and interior lower convexity (32), make metal-coating (3) be enclosed within upper projection during mandrel (1) outside
(11) can engage with interior upper projection (31), lower convexity (12) can engage with interior lower convexity (32)；
Two, metal-coating (3) is enclosed within mandrel (1) outside, makes projection (11) engage with interior upper projection (31), lower convexity
(12) engage with interior lower convexity (32)；
Three, the metal-coating (3) packaged and mandrel (1) are inserted in sulfurizing mould, elastic rubbery body (2) is injected outside metal
In gap between set (3) and mandrel (1), after being vulcanized by high temperature, high pressure, make metal-coating (3), elastic rubbery body
(2) sulfide formation rubber-metal vulcanize body with mandrel (1) entirety；
Four, metal sulfuration body good for vulcanization forming is taken out in sulfurizing mould, metal sulfuration body is carried out precommpression and polish, shape
Become final engagement rubber arthrosis finished product.
The manufacture method of engagement rubber arthrosis the most according to claim 7, it is characterised in that upper protruding (11) are along mandrel (1)
Radial width is wide along the minimum of described metal-coating (3) radial direction less than between interior upper projection (31) and interior lower convexity (32)
Degree, described step 2 particularly as follows: be first directed at the entrance of metal-coating (3) one end, by mandrel by one end of mandrel (1)
(1) upper projection (11) on and lower convexity (12) be upper protruding (31) and interior lower convexity in being all directed at metal-coating (3)
(32) metal inner surface between, is then inserted into mandrel (1) in metal-coating (3), makes the epirelief on mandrel (1)
Play (11) to be all placed in metal-coating, finally by mandrel (1) half-twist, make projection (11) and interior upper projection
(31) engagement, lower convexity (12) and interior lower convexity (32) engagement.
The manufacture method of engagement rubber arthrosis the most according to claim 8, it is characterised in that the polish described in step 4
Operation is included on the elastic rubbery body (2) between projection (13) and lower convexity (12) and offers along described mandrel (1)
Axially extended through hole (21), the quantity of through hole (21) is that two and two through holes (21) are about described mandrel (1)
Axis is symmetrical set.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510093322.XA CN104675894B (en) | 2015-03-03 | 2015-03-03 | Engagement rubber arthrosis itself and manufacture method |
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| CN201510093322.XA CN104675894B (en) | 2015-03-03 | 2015-03-03 | Engagement rubber arthrosis itself and manufacture method |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110466556A (en) * | 2019-08-27 | 2019-11-19 | 株洲时代新材料科技股份有限公司 | A kind of the stiffness tuning structure and method of the rubber bodies of axlebox rod flexural pivot |
| CN110435700A (en) * | 2019-08-27 | 2019-11-12 | 株洲时代新材料科技股份有限公司 | A kind of the stiffness tuning structure and stiffness tuning method of axlebox rod flexural pivot |
| CN110435699A (en) * | 2019-08-27 | 2019-11-12 | 株洲时代新材料科技股份有限公司 | The longitudinal rigidity adjustment structure and longitudinal rigidity adjusting method of axlebox rod flexural pivot |
| CN110360256A (en) * | 2019-08-27 | 2019-10-22 | 株洲时代新材料科技股份有限公司 | A kind of package assembly and assemble method of axlebox rod flexural pivot |
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| US4136787A (en) * | 1977-01-19 | 1979-01-30 | Scharfenbergkupplung Gmbh | Elastic hinge of a central buffer coupling for rail cars |
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| DE102009053592A1 (en) * | 2009-11-17 | 2011-05-19 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Bearing for arrangement in eye of e.g. wheel suspension arm of motor vehicle, has elastomer element provided with profile such that areas between element and inner sleeve and areas between element and outer sleeve are wavily formed |
| CN203962814U (en) * | 2014-07-05 | 2014-11-26 | 浙江红箭橡塑有限公司 | A kind of vibration isolation block assembly |
| CN204458949U (en) * | 2015-03-03 | 2015-07-08 | 株洲时代新材料科技股份有限公司 | Engagement rubber arthrosis |
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2015
- 2015-03-03 CN CN201510093322.XA patent/CN104675894B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4136787A (en) * | 1977-01-19 | 1979-01-30 | Scharfenbergkupplung Gmbh | Elastic hinge of a central buffer coupling for rail cars |
| US5492415A (en) * | 1993-08-16 | 1996-02-20 | Lemforder Metallwaren Ag | Plain bearing for chassis parts in motor vehicles |
| CN101109423A (en) * | 2007-08-08 | 2008-01-23 | 株洲时代新材料科技股份有限公司 | Flexuose combined spherical hinge and producing/assembling method of the same |
| DE102009053592A1 (en) * | 2009-11-17 | 2011-05-19 | Dr. Ing. H.C. F. Porsche Aktiengesellschaft | Bearing for arrangement in eye of e.g. wheel suspension arm of motor vehicle, has elastomer element provided with profile such that areas between element and inner sleeve and areas between element and outer sleeve are wavily formed |
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| CN104675894A (en) | 2015-06-03 |
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