CN105402295B - For pre-tightening the spring of rolling bearing and the construction package with spring and rolling bearing - Google Patents
For pre-tightening the spring of rolling bearing and the construction package with spring and rolling bearing Download PDFInfo
- Publication number
- CN105402295B CN105402295B CN201510553873.XA CN201510553873A CN105402295B CN 105402295 B CN105402295 B CN 105402295B CN 201510553873 A CN201510553873 A CN 201510553873A CN 105402295 B CN105402295 B CN 105402295B
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- Prior art keywords
- spring
- elastomer
- support housing
- core
- axis
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- 238000005096 rolling process Methods 0.000 title claims abstract description 43
- 238000010276 construction Methods 0.000 title claims abstract description 28
- 229920001971 elastomer Polymers 0.000 claims abstract description 66
- 239000000806 elastomer Substances 0.000 claims abstract description 63
- 239000000463 material Substances 0.000 claims abstract description 22
- 239000004033 plastic Substances 0.000 claims description 7
- 229920003023 plastic Polymers 0.000 claims description 7
- 239000002184 metal Substances 0.000 claims description 5
- 150000001875 compounds Chemical class 0.000 claims description 2
- 238000004073 vulcanization Methods 0.000 claims description 2
- 238000000465 moulding Methods 0.000 claims 1
- 238000005507 spraying Methods 0.000 claims 1
- 238000013016 damping Methods 0.000 description 5
- 238000001746 injection moulding Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000006870 function Effects 0.000 description 2
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 240000001439 Opuntia Species 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 238000005253 cladding Methods 0.000 description 1
- RKTYLMNFRDHKIL-UHFFFAOYSA-N copper;5,10,15,20-tetraphenylporphyrin-22,24-diide Chemical compound [Cu+2].C1=CC(C(=C2C=CC([N-]2)=C(C=2C=CC=CC=2)C=2C=CC(N=2)=C(C=2C=CC=CC=2)C2=CC=C3[N-]2)C=2C=CC=CC=2)=NC1=C3C1=CC=CC=C1 RKTYLMNFRDHKIL-UHFFFAOYSA-N 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 229910001092 metal group alloy Inorganic materials 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000010355 oscillation Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
Classifications
-
- 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
- F16C25/00—Bearings for exclusively rotary movement adjustable for wear or play
- F16C25/06—Ball or roller bearings
- F16C25/08—Ball or roller bearings self-adjusting
- F16C25/083—Ball or roller bearings self-adjusting with resilient means acting axially on a race ring to preload the bearing
-
- 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
- F16C27/00—Elastic or yielding bearings or bearing supports, for exclusively rotary movement
- F16C27/06—Elastic or yielding bearings or bearing supports, for exclusively rotary movement by means of parts of rubber or like materials
- F16C27/066—Ball or roller bearings
-
- 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
- F16F1/3732—Springs made of rubber or other material having high internal friction, e.g. thermoplastic elastomers characterised by having a particular shape having an annular or the like shape, e.g. grommet-type resilient mountings
-
- 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
- F16C19/04—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for radial load mainly
- F16C19/06—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for radial load mainly with a single row or balls
-
- 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
- F16C2380/00—Electrical apparatus
- F16C2380/26—Dynamo-electric machines or combinations therewith, e.g. electro-motors and generators
Abstract
The present invention relates to a kind of springs for preloaded bearing, especially rolling bearing, have core of elastomer, wherein the support housing made of hardenable material is arranged in material in locking manner on core of elastomer, and the support housing is less than core of elastomer flexibly to be constituted.The invention further relates to a kind of construction packages, it includes case member, bearing and this spring.
Description
Technical field
The present invention relates to a kind of for pre-tightening the spring of rolling bearing, it includes core of elastomer.The invention further relates to have
The construction package of spring and rolling bearing.
Background technique
It generally utilizes to pre-tighten rolling bearing by elastic material, spring especially made of rubber.This core of elastomer
Also there are good damping characteristics other than good elastic characteristic.They play the role of good vibration damping and reduce noise.
But acting on the power on core of elastomer is not usually to be evenly distributed on entire cross section.Thus reduce spring
Shape stability, and spring deforms under a load.This deformation is difficult to or cannot even monitor.Thus it generates increased hidden
Suffer from, elastomeric spring contacts the bearing cap of rolling bearing or other rotary parts of construction package under a load.Furthermore unfavorable
, spring curve is not linear due to the deformation characteristic of elastomeric spring.
Summary of the invention
The object of the present invention is to realize a kind of for pre-tightening the spring of rolling bearing, it can monitor and/or can see in advance
Ground deformation, thus makes it not contact the component of rotation under a load, and it also has damping characteristics, thus it plays good
Vibration damping and the effect for reducing noise.
This purpose is achieved by a kind of spring, a kind of construction package and a kind of motor.Bullet for preloaded bearing
Spring has core of elastomer, which is characterized in that material is arranged at least one made of hardenable material in locking manner on core of elastomer
Support housing, the support housing is less than core of elastomer flexibly to be constituted, wherein and the spring includes two support housings, it
Be arranged in the opposite side of core of elastomer and be spaced apart from each other, wherein core of elastomer tool there are two it is opposed, not by
The outer surface of package.A kind of construction package includes rolling bearing and spring as described above, which is characterized in that the construction package
Including the axis being arranged on axis, and the spring is made of ring spring, and the spring and rolling bearing concentrically enclose
Extend around axis.A kind of motor component with structure as described above.Advantageous embodiment provides in the following description.
This purpose realizes that the spring includes core of elastomer, especially by a kind of spring for pre-tightening rolling bearing
Rubber core.
The spring is characterized in that the supporting shell made of hardenable material is arranged in material in locking manner on core of elastomer
Body, the support housing is less than core of elastomer flexibly to be constituted.
Because the support housing is made of hardenable material, the material less elasticity, bearing compared with core of elastomer
Shell more dimensionally stable in terms of mechanical load.Size, shape and/or used material by matching support housing can be with
The size for designing support housing in this way makes support housing hardly deformation or at all constant under the distinctive mechanical load of application
Shape.
The core of elastomer is preferably formed by second, preferably same hardenable material.Particularly preferably by natural or
The elastomer of synthesis is especially formed by rubber.
The support housing is located in the bearing of construction package, especially on rolling bearing.In a preferred embodiment, institute
It constitutes with stating support housing hard elastics.Because the spring being installed to inside construction package acts against bearing by its support housing
On, and the hardly deformation or at all indeformable under the distinctive mechanical load of application, therefore hidden danger is not present, spring is negative
The bearing cap of movable components in around support housing, the components such as rolling bearing especially rotated is contacted under lotus.
In a preferred embodiment, the hardenable material is plastics.It is then preferred that hardenable material includes metal
Or metal alloy.The support housing is formed by the compound metal of plastics or plastics.For plastics, it is preferable to use particles.But
Resin can be used.
The metal is preferably added in granular form or in powder form inside plastics.
The spring preferably passes through multi component injection molding technique and is made.Herein preferably, the core of elastomer passes through support housing
Hardenable material package, especially enclose note (overmolded).But other multi component injection molding techniques also can be used.Or it is same
The hardenable material and core of elastomer of the preferred support housing of sample pass through vulcanization connection.Also, it is preferred that support housing is bonded in elastomer
On core.
It is then preferred that the spring has multiple support housings, they prevent or prevent core of elastomer in determining, encirclement
The position of spring especially deforms inside the components of rotation.Material is distinguished particularly preferably in the opposite side of core of elastomer
Support housing is set in locking manner, wherein the support housing is spaced apart from each other.Two support housings are preferably provided at and act on spring
On power main load direction on.Herein particularly preferably, another support housing is used to be located in the bearing surface of especially case member
On, the spring being especially installed to inside construction package is supported on it.This support housing makes it is also possible that design size
The hardly deformation or at all indeformable under the distinctive mechanical load of application.Thus also there is no hidden around support housing
Suffer from, the movable part of spring contact structure component.
Multiple support housings are preferably made of identical hardenable material.But apply peculiarly for support housing or
Person is for one in support housing also, it is preferred that utilizing different plastics and/or metal.
Because the support housing is spaced apart from each other, core of elastomer be not gamut surrounded by support housing.But it supports
Shell has the outer surface that do not wrap up between first and second support housing.Thus core of elastomer is in the outer surface portion that do not wrap up
Position, which retains, to be deformed.Herein preferably, the main load side of spring is not set by the core of elastomer outer surface that support housing wraps up
To in addition.Thus the outer surface deformed can not adversely influence the function of construction package.Therefore since the buffering of core of elastomer is special
Property and its morphotropism described in spring also meets reduction noise and vibration damping function.
In a preferred embodiment, the spring is made of ring spring, it is extended concentrically about around axis.In this implementation
It is also preferred that the core of elastomer is made of elastomeric ring in example, it is extended concentrically about around axis.This implementation of the spring
Example is primarily adapted for use in rolling bearing.
The support housing is preferably equally circlewise constituted and is concentrically surrounding respectively when constituting spring by ring spring
Axis extends.The support housing that annular is constituted is known as support ring below.Particularly preferred support housing and mirror image axis point symmetry
Ground setting.Mirror image axis extends on the circumferencial direction relative to axis in this embodiment.This spring particularly preferably has
There are two mutually opposed, annular outer surfaces.Make the power acted in main load direction by the spring structure of mirror symmetry
It is distributed as uniformly as possible on entire spring.
It is preferred that the spring angularly extends with axis in the axial direction.The support housing is preferably in axial direction and/or diameter
It is arranged mutually staggered relative to axis upwards.The particularly preferred support housing is mutual relative to axis on axially and/or radially
It is arranged with being staggered.Thus retain free space respectively above and below spring, it is used for the deformation of spring, without interfering
Surround the components of spring.
The movable components that the particularly preferred support housing is at least partly parallel to construction package extend.It is also excellent
Choosing, the shape of the support housing purposefully adapt to encirclement spring, especially movable components.Therefore the position of deformation
And camber of spring is existed to free space therein by the shape and support housing of spring, especially core of elastomer and support housing
Position on core of elastomer purposefully adjusts.Therefore deformation can be monitored.
Support housing preferably in cross section plate, L shape or U-shaped is constituted thus.Herein its best plane of side leg or
Constitute to arc.It can apply and peculiarly select the core of elastomer.The core of elastomer preferably adapts to pass through support housing
Shape and the given shape of arrangement.Constitute to the particularly preferred core of elastomer polygonal, especially tetragonal or hexagon.But
It is the shape it is also preferred that arc, circle or rounding.Furthermore the core of elastomer and/or support housing also can have it is other,
Especially asymmetrical or curve cross-sectional shape.Herein particularly preferably, the support housing at least partly, preferably full surface
The opposite side of ground package core of elastomer.
The support housing is constituted to best plate in cross-section, wherein the core of elastomer is in non-loaded state in cross
It is constituted tetragonally in section.Also, it is preferred that the support housing is constituted to L shape in cross-section, wherein the core of elastomer exists
Non- loaded state hexagonal composition in cross-section.The particularly preferred core of elastomer has in cross-section in non-loaded state
There are parallelogram or the hexagonal shape of inequilateral.
The purpose also realizes that the construction package includes rolling bearing and this spring by construction package.Because described
Spring does not contact construction package component that is movable, especially rotating, therefore spring does not interfere under the distinctive mechanical load of application
The component of construction package.Furthermore abrasion is not generated on spring and/or these components.Therefore construction package uses the longevity with long
Life.
The construction package preferably has the axis around axis setting.The spring is preferably by spring in this embodiment
Ring is constituted.Preferably the spring and rolling bearing are concentrically surrounding axis extension herein.
Rolling bearing in the sense of the present invention has spherical or roller shape rolling element.Here, the shape of rolling bearing
And/or size preferably adapts to main load direction.
First support housing of two support housings preferably acts against on the outer ring of rolling bearing.It is then preferred that two bearings
Second support housing of shell is supported on a case member.Herein preferably, the second support housing and between centers every.
The ring spring is further preferably symmetrically constituted with mirror image axis.It is possible thereby to realize ring spring uniform force distribution and
Controllable deformation.
The purpose also passes through a kind of motor and is achieved, it includes this construction package.Herein preferably, the axis of rolling
Hold the rotor for supporting motor.
Detailed description of the invention
The present invention is explained below by way of attached drawing.Attached drawing is only illustratively and not to limit general invention thought.It is attached
It illustrates:
Construction package shown in Fig. 1 a has spring, is ring spring herein, and be shown respectively in Fig. 1 b and Fig. 1 c
The part of the construction package of Fig. 1 a；
The spring characteristic curve of spring is shown in Fig. 2 a, spring is shown in Fig. 2 b in the shape for not carrying/hardly carrying
The loaded state of spring is shown in state and Fig. 2 c；With
Fig. 3 shows another embodiment of spring.
Specific embodiment
Construction package 5 has axis 30, it is concentrically disposed with around axis 3 and extends on longitudinal 32.On axis 30 with
Axis 3 is concentrically disposed with rolling bearing 2.Rolling bearing 2 as shown here has ball as rolling element 24.Term rolling element and
Use to ball synonym below.But the present invention is also extended into other, for example cylindrical or taper rolling element 24
Rolling bearing 2.
Ball 24 is arranged in the inner ring 22 being rotationally fixedly arranged on axis 30 and is rotationally fixedly arranged in outer on case member 4
Between ring 21.In order to avoid sphere 24 is dirty and drops out, be respectively equipped with bearing cap 23 in 24 two sides of sphere, it transverse to
(perpendicular to) axis 30 and extend between inner ring and outer ring 21,22.The bearing cap 23 of 24 two sides of sphere is set relative to outer
Ring and inner ring 21.22 inwardly, are i.e. arranged towards sphere with being staggered.
Constitute to 4 alms bowl shape of case member.It limits interior room 40 and with shell shape on longitudinal the 32 of axis and with one heart
Ground surrounds the outer wall 44 and cross wall 42 that axis 3 extends, it is transverse to axis 3 and the first end 41 of case member 4 is arranged in
On.Through-hole 43 is equipped with inside cross wall 42.In interior room side, cross wall 42 forms the bearing surface 420 for being used for spring 1.Spring 1 is for making
Rolling bearing 2 is pre-tightened relative to case member 4.
Axis 30 passes through the interior room 40 and through-hole 43 of case member 4.
The inner ring 22 of rolling bearing 2 is rotationally fixedly arranged on axis 30.The outer ring 21 of rolling bearing 2 rotationally fixedly acts against
On the inside inner surface 440 of outer wall 44.This inner ring 22 and outer ring 21 each other can be with relative rotation.Because rolling bearing 2
Inner ring 22 can be rotated relative to the outer ring 21 of rolling bearing 2, therefore axis 30 can be rotated relative to case member 4.
Spring 1 is circlewise constituted.It has core of elastomer 11, which is equally circlewise constituted.This outer spring exists
Support housing 12,13 is respectively provided in the opposite side 111,112 of core of elastomer 11.Support housing 12,13 is also circlewise constituted.
Spring 1, core of elastomer 11 and support housing 12,13 are extended coaxially into axis 3.Below, term spring 1 and ring spring, use
Language core of elastomer 11 and elastomeric ring and term support housing 12,13 and support ring synonymously use respectively.
Spring 1 acted against on the outer ring 21 of rolling bearing 2 by a support housing in two support housings 12 and
On the inner surface 440 of the outer wall 44 of case member 4.This support housing 12 is hereinafter referred to as the first support housing 12.
Spring is supported on the bearing surface of the cross wall 42 of case member 4 by another support housing of two support housings 13
On 420.This support housing 13 is known as the second support housing 13 below.
Therefore spring 1 is arranged in 40 the inside of interior room of case member 4 and extends to rolling bearing 2 from cross wall 42.
Two support housings 12,13 are constituted to L shape in cross-section.They are respectively provided with first extended on axial 32
Side leg 121,131, and second side leg 122 extended on radial 33,132(be shown in Fig. 1 b and Fig. 1 c).
Core of elastomer 11 has unequal-sided hexagonal configuration in cross-section herein.Support housing 12,13 distinguishes full table
Wrap up to face this hexagonal two side.A hexagonal side is not wrapped up respectively between two support housings 12,13
Face.These sides are respectively formed the outer surface 111 for the core of elastomer 11 not wrapped up.Therefore there are two opposed for the tool of core of elastomer 11
Outer surface 111, they are not wrapped up.It can be deformed in this position core of elastomer 11.Because core of elastomer 11 is concentrically surrounding
Axis 3 extends, therefore outer surface 111 is also concentrically surrounding the extension of axis 3.
As can be seen that the side 14,15 of opposed core of elastomer 11 is arranged in load direction 9 in support housing 12,13
On, and not wrapped lateral surface 111 is arranged outside load direction 9.Load direction, which illustratively passes through arrow 9, to be indicated.
Spring, which has, sees Fig. 2 b with the angle 90(of axis).Thus make support housing 12,13 on radial and axial 32,33
It is spaced apart from each other.They are arranged mutually staggered on radial and axial 32,33.Core of elastomer 11 is between support housing 12,13
Extend.It is arranged on radial 33 by this and is respectively formed free space 7 above and below outer surface 111.
The first support housing 12 reversibly moves on axial 32 relative to the second support housing 13 under a load.Thus change
Become the diameter A of elastomeric ring 11, wherein elastomeric ring deforms.Because being respectively equipped with free space above and below spring 1
7, it can be deformed to 7 the inside of free space in this spring 1, wherein the shape of outer surface 111 reversibly changes, and does not interfere structure group
Other components 2,30,4 of part 5.
Spring 1 circlewise constitutes and point symmetry.Spring has the axis of symmetry 34, it is concentrically surrounding the extension of axis 3.By
This is distributed as uniformly as possible in the power acted in load direction 9 on the cross section of spring 1.
Fig. 1 b is shown, and spring 1 is supported on the bearing surface 420 of cross wall 42 by second side leg 132 of the second support housing 13
On.Spring is by the first side leg 131 of the second support housing 13 with axis 30 with the interval distance A2.Therefore pass through the second support housing
13 the first side leg 131 prevents core of elastomer 11 from deforming, and by 1 engagement shaft 30 of distortion spring and prevents axis 30 relative to shell
The movement of component 4.
Fig. 1 c is shown, and spring 1 acts against the outer ring 21 of rolling bearing 2 by second side leg 122 of the first support housing 12
On.Spring is the outer wall for movably acting against case member 4 axial 32 by the first side leg 121 of the first support housing 12
On 44.Because the bearing cap 23 of rolling bearing 2 is arranged towards rolling element 24 with being staggered respectively relative to inner ring 22 and outer ring 21, because
Second side leg 122 of this second support housing 12 and the bearing cap 23 of setting adjacent thereto are with this interval A1 that misplaces.Therefore the
Second side leg 122 of two support housings 12 prevents, and elastomeric ring 11 contacts this bearing cap 23.
Fig. 2 a shows the spring characteristic curve 7 of spring 1.The deformation for marking spring 1 with mm on abscissa 72, in ordinate
Power is marked with N on 71.In small power, spring characteristic curve 7 is almost straight line.With the increase puted forth effort, the controllability of deformation becomes
Small, thus spring characteristic curve 7 has oscillation.
Fig. 2 b shows the spring 1 of Fig. 1 in the state for not carrying/hardly carrying.Loaded state is in spring characteristic curve 7
It is indicated by I.Fig. 2 c shows the loaded state of the spring 1 of Fig. 1.Loaded state is indicated in spring characteristic curve 7 by II.
Comparison diagram 2b and Fig. 2 c can see the deformation of outer surface 111 and the diameter A of core of elastomer 11 reduces.
Fig. 3 shows another embodiment of spring 1 according to the invention.This spring 1 also circlewise constitute and concentrically
Extend around axis 3.Spring is similarly constituted relative to 34 point symmetry of the axis of symmetry for being concentrically surrounding the extension of axis 3.Make
There is elastomeric ring for 11 spring of core of elastomer, and there are two support rings as the tool of support housing 12,13.
But, the support housing 12 that this spring 1 there is plate to constitute different from the spring of Fig. 1 and 21,13, and it is parallel
The core of elastomer 11 of quadrangle extends between support housing 12,13.Support housing 12,13 is on axially and radially 32,33
It is spaced apart from each other, is thus respectively equipped with free space 7 above and below the outer surface 111 of not wrapped core of elastomer 11.
Free space 7 is schematically illustrated by dotted line.7 the inside of free space is deformed in mechanical load lower elastic body core 11.
Spring 1 according to the invention is for example by injection molding, particularly by cladding spray to cast processing.For one mold of this need.
But it is different from common core of elastomer, it is constituted in this way, under mechanical load also there is no spring 1 with it is movable, especially revolve
The danger of the components contact turned.
Claims (15)
1. a kind of spring (1) for preloaded bearing has core of elastomer (11), which is characterized in that on core of elastomer (11)
At least one support housing made of hardenable material (12,13) is arranged in material in locking manner, which compares core of elastomer
(11) it less flexibly constitutes, wherein the spring (1) includes two support housings (12,13), they are arranged in core of elastomer
(11) in opposite side (14,15) and be spaced apart from each other, wherein the core of elastomer (11) tool there are two it is opposed, not by
The outer surface (111) of package.
2. spring (1) as described in claim 1, which is characterized in that constitute to support housing (12, the 13) hard elastics.
3. spring (1) as described in any one of the preceding claims, which is characterized in that the support housing (12,13) is by moulding
Material or the compound metal of plastics are formed.
4. spring (1) as described in claim 1, which is characterized in that the core of elastomer (11) passes through support housing (12,13)
Hardenable material spraying or support housing (12,13) hardenable material and core of elastomer (11) by vulcanization connection.
5. spring (1) as described in claim 1, which is characterized in that the bearing is rolling bearing (2).
6. spring (1) as described in claim 1, which is characterized in that the spring (1) is made of ring spring, it surrounds axis
(3) it extends concentrically about, wherein the core of elastomer (11) is made of elastomeric ring and the support housing (12,13) is by supporting
Ring is constituted.
7. spring (1) as described in claim 1, which is characterized in that two support housings (12,13) are axially and/or radially
On be arranged mutually staggered relative to axis.
8. spring (1) as described in claim 1, which is characterized in that two support housings (12,13) and the circle in axis (3)
Mirror image axis (34) point symmetry extended in circumferential direction (31) it is arranged.
9. spring (1) as described in claim 1, which is characterized in that the core of elastomer (11) on cross section quadrangle or
Constitute to hexagon.
10. spring (1) as described in claim 1, which is characterized in that support housing (12,13) rectangle on cross section
Constitute to ground, L shape or U-shaped.
11. spring (1) as described in claim 1, which is characterized in that the support housing (12,13) is manufactured from the same material.
12. a kind of construction package (5), it includes rolling bearing (2) and the spring as described in any one of claims 1 to 11
(1), which is characterized in that the construction package includes the axis (30) being arranged on axis (3), and the spring (1) is by spring
Ring is constituted, and the spring (1) and rolling bearing (2) are concentrically surrounding axis (3) extension.
13. construction package (5) as claimed in claim 12, which is characterized in that two support housings of the spring (1) (12,
13) support housing in acts against on the outer ring (21) of rolling bearing (2).
14. construction package (5) as claimed in claim 13, which is characterized in that two support housings of the spring (1) (12,
13) another support housing in is supported on case member (4).
15. a kind of motor has the construction package (5) as described in any one of claim 12-14.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102014217794.4 | 2014-09-05 | ||
| DE102014217794.4A DE102014217794B4 (en) | 2014-09-05 | 2014-09-05 | Spring for preloading a rolling bearing and assembly with the spring and the rolling bearing |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105402295A CN105402295A (en) | 2016-03-16 |
| CN105402295B true CN105402295B (en) | 2019-11-19 |
Family
ID=55358417
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510553873.XA Active CN105402295B (en) | 2014-09-05 | 2015-09-02 | For pre-tightening the spring of rolling bearing and the construction package with spring and rolling bearing |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN105402295B (en) |
| DE (1) | DE102014217794B4 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109838465B (en) * | 2019-02-02 | 2020-10-30 | 浙富控股集团股份有限公司 | Combined type bearing frame with shock-absorbing function |
| EP3795857A1 (en) * | 2019-09-19 | 2021-03-24 | Rosta AG | Torsion spring device, bearing and vibration damper |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1714492A (en) * | 2002-12-19 | 2005-12-28 | 罗伯特·博世有限公司 | Electrical machines |
| EP1956254B1 (en) * | 2007-02-06 | 2009-09-23 | Aktiebolaget SKF | Bearing device and steering column |
| CN101809292A (en) * | 2007-08-10 | 2010-08-18 | 厄利孔莱博尔德真空技术有限责任公司 | Pump bearing arrangement |
| DE102009056615A1 (en) * | 2009-12-02 | 2011-06-09 | Schaeffler Technologies Gmbh & Co. Kg | Balancing element for use as counter bearing in roller bearing e.g. angular ball bearing, of differential transmission of motor vehicle, has locking unit for mechanical locking of balancing element at bearing component of roller bearing |
| CN102141081A (en) * | 2011-02-12 | 2011-08-03 | 四川达宇特种车辆制造厂 | Miniature engine rotor bearing pre-tightening system |
| EP2489890A1 (en) * | 2011-02-21 | 2012-08-22 | Aktiebolaget SKF | Pre-stressed rolling bearing, notably for steering column. |
| CN103453013A (en) * | 2012-05-31 | 2013-12-18 | Skf公司 | Rolling bearing assembly device for steering column |
| CN103912627A (en) * | 2012-12-31 | 2014-07-09 | 现代自动车株式会社 | Center Bearing Bush Unit For Propeller Shaft |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102010003233A1 (en) * | 2010-03-25 | 2011-09-29 | Zf Lenksysteme Gmbh | Power steering |
| DE102013003749A1 (en) * | 2013-03-06 | 2014-09-11 | Thyssenkrupp Presta Aktiengesellschaft | Angularly movable bearing arrangement for pinions in reduction gears of electromechanical steering systems |
-
2014
- 2014-09-05 DE DE102014217794.4A patent/DE102014217794B4/en active Active
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2015
- 2015-09-02 CN CN201510553873.XA patent/CN105402295B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1714492A (en) * | 2002-12-19 | 2005-12-28 | 罗伯特·博世有限公司 | Electrical machines |
| EP1956254B1 (en) * | 2007-02-06 | 2009-09-23 | Aktiebolaget SKF | Bearing device and steering column |
| CN101809292A (en) * | 2007-08-10 | 2010-08-18 | 厄利孔莱博尔德真空技术有限责任公司 | Pump bearing arrangement |
| DE102009056615A1 (en) * | 2009-12-02 | 2011-06-09 | Schaeffler Technologies Gmbh & Co. Kg | Balancing element for use as counter bearing in roller bearing e.g. angular ball bearing, of differential transmission of motor vehicle, has locking unit for mechanical locking of balancing element at bearing component of roller bearing |
| CN102141081A (en) * | 2011-02-12 | 2011-08-03 | 四川达宇特种车辆制造厂 | Miniature engine rotor bearing pre-tightening system |
| EP2489890A1 (en) * | 2011-02-21 | 2012-08-22 | Aktiebolaget SKF | Pre-stressed rolling bearing, notably for steering column. |
| CN103453013A (en) * | 2012-05-31 | 2013-12-18 | Skf公司 | Rolling bearing assembly device for steering column |
| CN103912627A (en) * | 2012-12-31 | 2014-07-09 | 现代自动车株式会社 | Center Bearing Bush Unit For Propeller Shaft |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105402295A (en) | 2016-03-16 |
| DE102014217794A1 (en) | 2016-03-10 |
| DE102014217794B4 (en) | 2017-03-16 |
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