CN102407744B - Motor vehicle bump stop - Google Patents
Motor vehicle bump stop Download PDFInfo
- Publication number
- CN102407744B CN102407744B CN201110219791.3A CN201110219791A CN102407744B CN 102407744 B CN102407744 B CN 102407744B CN 201110219791 A CN201110219791 A CN 201110219791A CN 102407744 B CN102407744 B CN 102407744B
- Authority
- CN
- China
- Prior art keywords
- motor vehicle
- keeper
- bump stop
- sealing ring
- vehicle bump
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000007789 sealing Methods 0.000 claims abstract description 49
- 238000005096 rolling process Methods 0.000 claims abstract description 9
- 230000037250 Clearance Effects 0.000 claims abstract description 5
- 230000035512 clearance Effects 0.000 claims abstract description 5
- 238000009434 installation Methods 0.000 claims description 5
- 239000000463 material Substances 0.000 claims description 4
- 230000000007 visual effect Effects 0.000 claims 1
- 230000000875 corresponding Effects 0.000 description 3
- 239000004952 Polyamide Substances 0.000 description 2
- 230000029052 metamorphosis Effects 0.000 description 2
- 229920002866 paraformaldehyde Polymers 0.000 description 2
- 229920002647 polyamide Polymers 0.000 description 2
- -1 polyethylene Polymers 0.000 description 2
- 241000222712 Kinetoplastida Species 0.000 description 1
- 239000004698 Polyethylene (PE) Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000002349 favourable Effects 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000000414 obstructive Effects 0.000 description 1
- 239000011528 polyamide (building material) Substances 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
- 238000004804 winding Methods 0.000 description 1
Abstract
The present invention relates to a kind of motor vehicle bump stop, described positive stop includes a upper keeper (1), one lower keeper (2) and be arranged on its rolling element rotated against of chien shih of described keeper, described keeper is mounted to form at least one together by two axial inwall (8a respectively, 9a) with axial outer wall (8b, the annular space (8 9b) laterally defined, 9), described positive stop is characterised by that it includes at least two the one group of sealing ring superpositions installing sealing ring (10) being axially mounted in the described space with axial gap, described sealing ring is arranged on inwall (8a, 9a) or outer wall (8b, on 9b), with outer wall (8b, 9b) or inwall (8a, 9a) form radial clearance, thus in described space, form sealing baffle.
Description
Technical field
The present invention relates to a kind of motor vehicle bump stop, be particularly combined in the hanging post of automobile steering roller.
The present invention is applicable to include the limiting block of the lower keeper of upper keeper and the rotation being connected with car body
Block, rotates lower keeper and includes support component, for pendulum spring and the rolling that is arranged between described keeper
Kinetoplast and then make it rotate against.
Background technology
It is well known that in order to prevent oil leakage and described space at bearing space dirty by outside
Dye thing pollutes, and uses the sealing member including flexible sealing composition, and it is mounted or integrated one of keeper
In so that it is with other keeper CONTACT WITH FRICTION.
This embodiment is particularly present the shortcoming causing friction torque in the rotating against of keeper, so that
It is harmful for using positive stop in deflecting roller assembly.
In order to solve this problem, document WO-2009/019340 relate to one and is arranged in CONTACT WITH FRICTION
Potted component on each keeper, described potted component is removable relative at least one keeper to be installed.
This is between sealing function and the torque of generation, when causing positive stop to deform the most under application of a force,
Provide good balance.
But, when potted component moves radially, there is the deformation of radial slot in keeper in this embodiment,
The embodiment making described keeper complicates, and especially needs when described keeper moulds to use to move
Element.
Additionally, the mobile potted component installed limits the embodiment of described potted component in radial slot,
When requiring the most at the same time be folded or deform.
Summary of the invention
It is an object of the invention to improve prior art and implement sealing simple, easy for installation especially by providing
Positive stop, keeps optimal balance between sealing function and the torque of generation simultaneously.
To this end, the present invention relates to a kind of motor vehicle bump stop, described positive stop includes a upper keeper,
Lower keeper and its rolling element rotated against of chien shih being arranged in keeper and lower keeper, described holding
Device is arranged to form at least one together and is laterally defined by two axial inwalls respectively and axial outer wall
Annular space, described positive stop include axially stacking in the described space with axial gap at least
Having two one group of sealing rings installing sealing ring, described sealing ring is arranged on inwall or outer wall, with outer wall or interior
Wall forms radial clearance, thus forms sealing baffle in described space.
Accompanying drawing explanation
Further features and advantages of the present invention will be introduced, shown in bound fraction in description below
The accompanying drawing of the axial component of appended accompanying drawing and positive stop according to embodiments of the present invention.
Fig. 1 is based on the sectional view of the motor vehicle bump stop that the present invention proposes.
Detailed description of the invention
In the description, term " locus " is used in the axial-rotation about positive stop and (erects in the accompanying drawings
Straight one side representing interface, another side represents about described axial symmetry).Particularly, term " interior " represents patch
Paraxial layout, and term " outward " represents abaxial layout.It addition, term "up" and "down" refers respectively to
The layout of positive stop in figure.
Automotive wheels, especially deflecting roller, be arranged on chassis by support column and make body suspend in midair relative to ground.
To this end, support column generally includes amortisseur, pendulum spring and the positive stop being provided above with described spring.
With reference to accompanying drawing, embodiment describe the upper keeper 1 fixed that positive stop includes being connected with car body and
The lower keeper 2 rotated, the lower keeper of rotation include for pendulum spring and rolling element (not shown)
Support member 3, described rolling element be arranged on described keeper chien shih its rotate against around axle.Thus, bullet is worked as
When spring is compressed and is relaxed, the winding in the number of coils gone up each other is changed, and causes lower keeper 2
Rotate.Additionally, locking wheel also causes the rotation of lower keeper 2.
In an illustrated embodiment, upper keeper 1 and lower keeper 2 each include one especially with button
The pad 4,5 that sheet is made, they provide corresponding upper supporting and lower support for rolling element.
Positive stop farther includes two shirt portion and divides 6, and 7, especially by rigid thermoplastic material, such as polyamides
Amine 6.6 is molded.These parts respectively, between insertion chassis and the described Upper gasket on Upper gasket 4
Connect lid 6 and connection support component 7 under lower gasket 5, described support component includes spring support 3.
If necessary, these shirt portion divide 6, and 7 can absorb the power from spring and positive stop.
In the embodiment shown, support component 7 by lid 6 encirclement thus forms two corresponding annular
Space 8 and outer ring space 9.Each annular space 8,9 by two inwall 8a, 9a and outer wall 8b respectively,
9b laterally defines.The inwall 8a and outer wall 8b of inner annulus 8 is formed on lid 6 and support component 7,
The inwall 9a and outer wall 9b of outer ring space 9 is formed on support component 7 and lid 6.Especially, annular
Space 8,9 have radial clearance so that support component 7 can rotate relative to lid 6 interference-free each other.
Positive stop includes axially stacking the annular space 8 with axial gap, at least two among 9
One group of sealing ring of sealing ring 10 is installed.Particularly, sealing ring 10 is likely, especially, firm by one
Property polymeric material such as polyethylene, polypropylene, polyamide 6,6.6,11 or 12, polyformaldehyde (POM) molding
Form.
In the embodiment shown, two annular spaces 8,9 coordinate peace with one group of sealing ring of two sealing rings 10
Fill thus seal the both sides of positive stop.And in prior art, it is possible to only inner annular space 8 or outer shroud
The one of space 9 and sealing ring 10 assembles conjunction and installs, and another one selectively coordinates installation with sealing device.
Sealing ring 10 is arranged on inwall 8a, 9a or outer wall 8b, 9b, and outer wall 8b, 9b or inwall 8a,
9a forms radial clearance, thus at annular space 8, forms sealing baffle in 9.Especially, baffle plate is arranged on
On positive stop thus make it possible to not by lid 6 or/and support component 7 is limited, especially by need not
Use the mobile element for radial slot deformation.
In an example of embodiment, the axial gap of one group of sealing ring 10 may be 1.2 to 2.4mm
Between, radially superposed general between 0.8 to 1.6mm between described sealing ring.
In the embodiment shown, upper ring 10a is connected on support component 7, and lower ring 10b is connected to cover on 6.
In not shown alternate embodiment, one group of sealing ring potentially includes the one of more than two sealing ring 10 and folds,
Described sealing ring is alternately mounted on axial walls 8a, 8b；9a, 9b thus increase formed baffle plate bending.
Favourable, at least one sealing ring 10 may select and is arranged on axial walls 8a, 8b with axial motion；9a,
On 9b.Particularly, especially under the metamorphosis of the lid 6 relevant with support component 7, two sealing rings
10 can axially-movable on its corresponding assembly wall, described metamorphosis is by the limit being applied to as use part
The mechanical strain of position block produces.
Thus, it is possible to by the sealing function that provided by baffle plate with by sealing ring 10 relative at least one keeper
The torque limit that the optional motion of 1,2 produces combines.And, its mill of the movement limit of sealing ring 10
Damage thus prevent the obstruction risk of block deformation below.
In the embodiment shown, each ring 10 has connection surface 11 in axial walls 8a, 8b, 9a, 9b,
The diameter on described surface is substantially equal to the diameter of described wall so that enabling the described surface on described wall axial
Slide.
Further, support component 7 have two respectively at annular space 8,9 times axially extended extension 7a,
7b is so that keeping one group of sealing ring 10 in described space.Except the axial stop function of sealing ring 10,
Each extended surface 7a, 7b arrange to limit the pollution of each annular space 8,9 with gap also facing lid 6 reduction
The entrance of thing.In not shown alternative embodiment, at least one extension can lid 6 on be formed from
And keep one group of sealing ring 10 and/or form, with support member 7, the gap reduced.
Additionally, connection surface 11 has the geometry of inclination thus reduces axial walls 8a, 8b；9a, 9b are even
Connect the interference at place.This applicable axially-movable and sealing ring 10 are relative to assembly wall 8a, 8b；The pivot of 9a, 9b
Transhipment is dynamic.
Shown positive stop is installed, upper ring 10a on support component 7 by being stacked in by one group of sealing ring 10
Surface 11 be connected to axial walls 8b of described support component, on 9a.Lid 6 is arranged on support component 7,
Support component is connected to axial walls 8a at described lid, on the surface 11 of the lower ring 10b on 9b.Particularly,
The joint made need not the stretching, extension of sealing ring 10 from without limiting the material selecting to make described ring.
In this embodiment, the diameter of one group of sealing ring 10 is similar, can be thought of as the simplest
Single method, such as one group sealing ring 10 be not identical color and/or have a mark to depend on whether it is
Upper ring 10a or lower ring 10b.This makes sealing ring 10 be recognizable thus limits will on support component 7
Its probability reversely installed.
Claims (10)
1. motor vehicle bump stop, described motor vehicle bump stop include a upper keeper (1), one
Lower keeper (2) and be arranged in described upper keeper and lower keeper chien shih its rotate against
Rolling element, described upper keeper be arranged to lower keeper together with form at least one by one
The annular space that interior axial walls and an outer axial walls limit, the feature of described motor vehicle bump stop
It is to include with the axial gap earth's axis at least two peaces being superimposed upon in described annular space
One group of sealing ring of dress sealing ring (10), described installation sealing ring is installed in interior axial walls or outer
In axial walls, form radial clearance with outer axial walls or interior axial walls, thus empty in described annular
Sealing baffle is formed between.
2. motor vehicle bump stop as claimed in claim 1, it is characterised in that described at least one
Sealing ring (10) is installed can be arranged on axial motion in described axial walls.
3. motor vehicle bump stop as claimed in claim 2, it is characterised in that described installation seals
Ring (10) has the connection surface in axial walls, the diameter of described connection surface and described axial walls
Diameter roughly the same so that the described connection surface in described axial walls can slide axially.
4. motor vehicle bump stop as claimed in claim 3, it is characterised in that described connection surface
There is the inclined geometric shapes that the junction can reduced in axial walls is interfered.
5. the motor vehicle bump stop as described in any one in claim 1-4, it is characterised in that
At least one keeper (1,2) has an extension (7a, 7b) extended under annular space to protect
Hold described one group of sealing ring in described annular space.
6. motor vehicle bump stop as claimed in claim 5, it is characterised in that described extension
(7a, 7b) is arranged in the position relative with other keeper (2,1) with limit pollution to reduce gap
Thing enters in annular space.
7. motor vehicle bump stop as claimed in claim 1, it is characterised in that described automobile is spacing
Block has an inner annulus (8) and an outer ring space (9), each described inner annulus
With outer ring space respectively equipped with one group of sealing ring.
8. motor vehicle bump stop as claimed in claim 1, it is characterised in that described one group of sealing
Ring includes visual keyway element.
9. motor vehicle bump stop as claimed in claim 1, it is characterised in that described upper keeper
(1) including a Upper gasket (4) providing upper supporting for rolling element, lower keeper (2) includes that one is
Rolling element provides the lower gasket (5) of lower support, and described motor vehicle bump stop farther includes two linings
Part, a connection lid (6) on Upper gasket (4) and a connection under lower gasket (5) support
Element (7), described annular space is arranged between described lid and described support component.
10. motor vehicle bump stop as claimed in claim 1, it is characterised in that described installation is close
Seal ring (10) is made up of rigid polymeric material.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1002714A FR2961747B1 (en) | 2010-06-29 | 2010-06-29 | AUTOMOTIVE VEHICLE SUSPENSION STOP COMPRISING AN ASSEMBLY OF AT LEAST TWO SEAL RINGS REPORTED |
| FR10/02714 | 2010-06-29 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102407744A CN102407744A (en) | 2012-04-11 |
| CN102407744B true CN102407744B (en) | 2016-12-14 |
Family
ID=
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0296960A1 (en) * | 1987-06-23 | 1988-12-28 | S.N.R. Roulements | Axial roll bearing, especially for motor vehicle suspension shock absorber |
| CN1530560A (en) * | 2003-02-10 | 2004-09-22 | Skf公司 | Thrust bearing device of suspension |
| CN101073978A (en) * | 2006-05-16 | 2007-11-21 | S.N.R.鲁尔门斯公司 | Suspending position limit device with reinforced sealing for vehicle |
| CN101205974A (en) * | 2006-12-18 | 2008-06-25 | S.N.R.鲁尔门斯公司 | Vehicle hanging position limiter device with enhanced hermeticity |
| WO2009019340A2 (en) * | 2007-06-29 | 2009-02-12 | Snr Roulements | Suspension stop comprising a mobile seal element |
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0296960A1 (en) * | 1987-06-23 | 1988-12-28 | S.N.R. Roulements | Axial roll bearing, especially for motor vehicle suspension shock absorber |
| CN1530560A (en) * | 2003-02-10 | 2004-09-22 | Skf公司 | Thrust bearing device of suspension |
| CN101073978A (en) * | 2006-05-16 | 2007-11-21 | S.N.R.鲁尔门斯公司 | Suspending position limit device with reinforced sealing for vehicle |
| CN101205974A (en) * | 2006-12-18 | 2008-06-25 | S.N.R.鲁尔门斯公司 | Vehicle hanging position limiter device with enhanced hermeticity |
| WO2009019340A2 (en) * | 2007-06-29 | 2009-02-12 | Snr Roulements | Suspension stop comprising a mobile seal element |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161214 Termination date: 20170629 |