CN102444682B - Elastomer metal bearing - Google Patents
Elastomer metal bearing Download PDFInfo
- Publication number
- CN102444682B CN102444682B CN201110272379.8A CN201110272379A CN102444682B CN 102444682 B CN102444682 B CN 102444682B CN 201110272379 A CN201110272379 A CN 201110272379A CN 102444682 B CN102444682 B CN 102444682B
- Authority
- CN
- China
- Prior art keywords
- inner member
- elastomer
- metal bearing
- sleeve
- support unit
- 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
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
- 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
Abstract
The invention provides a kind of elastomer metal bearing (1) being used in particular for the wheel suspension of motor vehicle, described elastomer metal bearing comprises the external component (4) of the inner member (2) of substantially rigid, elastomer sleeve (3) and substantially rigid, and described elastomer sleeve (3) is arranged between described inner member (2) and described external component (4).In addition, at at least one axial end portion (7,9) on, described inner member (2) is formed as follows, that is: in the power transmission transverse to the bearing axis (6) limited by described inner member (2), described inner member forms form fit with the adjacent part that can be connected to described inner member (2) and is connected.
Description
Technical field
The present invention relates to a kind of elastomer metal bearing of as described in the preamble, the wheel suspension that is particularly useful for motor vehicle according to claim 1.
Background technique
This elastomer metal bearing is usually known, and such as uses when twist motion and radial or axial displacement relative to each other appear in support unit.These elastomer metal bearings are also used in motor vehicle construction, and wherein they are as spring suspension and connecting element, and described connecting element vertically, radial and torsional direction works with resiliencely.Elastomer metal bearing is through being commonly used in motor vehicle construction, such as car body and the noise and vibration namely sent from such as wheel, wheel suspension, spring suspension, vibration damper or the steering gear from chassis to be isolated, and compensate framework connection and build-up tolerance.
As critical piece, elastomer metal bearing generally includes stable inner member and stable external component, is furnished with elastomer layer between these components.Substantially, elastomer layer connects into and it is firmly adhered on inner member such as metal sleeve or metal tube, and external component is also such as on metal sleeve or metal tube.In the assembled condition, this elastomer metal bearing is connected to the first support unit by external component and is connected to the second adjacent support unit by inner member.This elastomer metal bearing can such as by being connected to corresponding support unit by means of the joint of press fit, bolt connection, welding, splicing etc.Therefore this elastomer metal bearing sets up the elasticity between two support units, connection with resilience.
Above-mentioned elastomer metal bearing is common in the wheel suspension of motor vehicle at present especially, for between two parts of wheel suspension, such as, between beam member and the cantilever arm of hinged suspension coupling thereon or wheel stand, produce so-called single Shear connection.At this, the support unit of the inner member to elastomer metal bearing to be connected is such as by pin or be bolted to this inner member, and described pin or bolt are inserted through the inner member that form is pipe.Such as, in joint, support unit correspondingly rubs against the end face outstanding from elastomer metal bearing (slightly) of this inner member.Also can implement like this or design this connection, that is, such as making the end face of the inner member of only elastomer metal bearing to contact.In the elastomer metal bearing of known type, this end face of described inner member is planar design, that is, such as when cylindrical spring body metal bearing, it has the inner member that form is pipe, this pipe extends transverse to this end face, such as with the longitudinal axis limited by this pipe or bearing axis in 90 °.
This frictional connection between the inner member of support unit and elastomer metal bearing or elastomer metal bearing is subject to certain restrictions in power transmission, because freely determinant factor can not be selected, frictional force such as between support unit and the end face of inner member, and the axial stress of such as pin or bolt.At this, the cross section of the material should mentioning the inner member of support unit and elastomer metal bearing, the friction factor caused, surface design and quality and tie point.In the frictional connection of the above-mentioned type, the transmission of large lateral force, that is needs higher prestressing force transverse to the power that longitudinal direction or the bearing axis of elastomer metal bearing are advanced, and this must be applied by pin or bolt.When existing for reliably transmitting the predetermined maximum of transverse force, this often causes larger pin diameter, and inevitably causes the increase of elastomer metal bearing diameter.
Summary of the invention
For this background, the object of this invention is to provide a kind of compact elastomer metal bearing, although the size of pin is less, described bearing still can be connected to the parts of inner member or transmit sizable transverse force between support unit and described inner member.
According to the present invention, this object is realized by the elastomer metal bearing with the feature of claim 1.In addition, dependent claims discloses particularly advantageous improvement of the present invention.
It should be pointed out that the feature quoted separately in Patent right requirement with any mode combination with one another be technically applicable to, and can set forth further improvement of the present invention.Specification combines with accompanying drawing especially and describes feature of the present invention in detail.
Elastomer metal bearing according to the present invention comprises the external component of the inner member of substantially rigid, elastomer sleeve and substantially rigid.Described elastomer sleeve is such as rubber bush, is arranged between described inner member and described external component.According to the present invention, on at least one axial end portion, described inner member is formed as follows, that is: transverse in the power transmission (transverse force) of the bearing axis limited by described inner member, described inner member forms form fit with the adjacent part or support unit that can be connected to described inner member and is connected.The remarkable improvement providing the power transmission that elastomer metal bearing of the present invention can be utilized to realize is connected according to this form fit in transverse force between the inner member of elastomer metal bearing of the present invention and adjacent part.Especially, described form fit connection makes to compare according to the large manyfold of the power of the frictional connection in the elastomer metal bearing of prior art transverse to the power transmission of the longitudinal axis limited by described inner member or bearing axis.Such as, can realize the power transmission of large 6 to 8 times, certainly, this is just exemplarily but not for restriction.
On the other hand, with compared with the elastomer metal bearing of prior art, because form fit connects, sizable power transmission that elastomer metal bearing of the present invention can be utilized to realize makes likely significantly to reduce the prestressing force applied by pin or bolt between the inner member of elastomer metal bearing and adjacent part or support unit.In other words, lower prestressing force demand makes the diameter likely reducing pin or bolt, and this makes can reduce used material generally and allows the compacter elastomer metal bearing of structure, this elastomer metal bearing thus have little weight.In addition, because form fit connects, elastomer metal bearing of the present invention ensure that described parts and being more firmly connected on described inner member.
In a favourable improvement of the present invention, at least one axial end portion according to the inner member of elastomer metal bearing of the present invention has chamfering, preferably has conical design.Be connected to adjacent part or the support unit of described inner member, in the region that the axial end portion of it and described inner member or described inner member continues at least wherein, advantageously have with by corresponding negative shape (the negative shape of the predetermined conical by its shape of this axial end portion, concave shape), so that at least in joint, axial end portion and the described support unit of described inner member form the form fit that the present invention limits each other and are connected.Conical seat guarantees the power transmission of the extraordinary form fit of the bearing axis transverse to the elastomer metal bearing limited by described inner member.In addition, described conical seat also allows the support unit that connects together by elastomer metal bearing according to the present invention better and more easily aligns and feel relieved, this is very easy to assembling process, because can omit the specific engagement technology sometimes needed in prior art.Can also by the little deviation of described conical seat compensating unit size in a particularly advantageous manner.
In suitable improvement of the present invention, described inner member is implemented as metal sleeve, and described metal sleeve is surrounded by the elastomer sleeve of adhering to securely.Described elastomer sleeve is preferably attached to described inner member or described interior metal sleeve with sulfuration process.This guarantees power to be incorporated into described elastomer sleeve more reliably from the support unit being connected to described inner member, and described elastomer sleeve is such as formed by suitable elastic rubber material.Also particularly advantageously described external component is also embodied as metal sleeve, and described metal sleeve then surrounds the elastomer sleeve of adhering to securely.Described elastomer sleeve is also preferred is bonded to described external component or described external metallization sleeve with sulfuration process.Therefore this cause being connected to more reliable, elasticity between the first support unit of described inner member and the second support unit being connected to described external component and the stronger connection of spring-back force.
In addition, described inner member advantageously has the length substantially identical with described elastomer sleeve.Above-mentioned wording also comprises the larger or less length of described inner member relative to described elastomer sleeve, and this derives from the particular configuration of the axial end portion of described inner member.Thus, according to selected configuration, axial end portion according to the present invention's design can such as be projected into outside described elastomer sleeve, or can extend in this elastomer sleeve, to guarantee that the form fit between described inner member and the adjacent part be connected thereto or support unit connects, and regardless of transverse force to be passed.But, described inner member has the length (only tapered end be projected into elastomer outside or stretch into wherein) substantially identical with described elastomer sleeve, thus provide the profile design compact especially according to elastomer metal bearing of the present invention, and make likely used material to be reduced to minimum.
Accompanying drawing explanation
Illustrative embodiments below with reference to accompanying drawings illustrates in greater detail more how favourable details of the present invention and effect, in the accompanying drawings:
Fig. 1 shows the perspective view of the illustrative embodiments according to elastomer metal bearing of the present invention;
Fig. 2 shows the schematic cross sectional views of the illustrative embodiments according to elastomer metal bearing of the present invention in Fig. 1; And
Fig. 3 shows the schematic cross sectional views of the elastomer metal bearing according to prior art.
In the drawings and in which, identical parts always have identical reference character, thus only illustrate once them.
Embodiment
Fig. 1 shows the perspective view of the illustrative embodiments according to elastomer metal bearing 1 of the present invention.This elastomer metal bearing 1 comprises the external component 4 of the inner member 2 of substantially rigid, elastomer sleeve 3 (see Fig. 2) and substantially rigid.Elastomer sleeve 3 is arranged between inner member 2 and external component 4.Special in this illustrative embodiments, inner member 2 is embodied as the metal sleeve or cylindrical metal ring with hole 5.This hole 5 is for receiving unshowned pin or bolt in Fig. 1, and by described pin or bolt, same unshowned adjacent part or support unit can be connected to the inner member 2 of this elastomer metal bearing 1.
In its longitudinal extent, the inner member 2 in Fig. 1 also defines bearing axis or the longitudinal axis 6 of elastomer metal bearing 1.As can as seen from Figure 1, the external component 4 of elastomer metal bearing 1 connects and such as welds or be crimped onto parts or support unit, the horizontal coupling of such as wheel suspension.In the exemplary embodiment shown in Fig. 1, the same with inner member 2, external component 4 is also embodied as metal sleeve or cylindrical metal ring, and elastomer sleeve 3 is contained in this metal sleeve or cylindrical metal ring.
Fig. 2 shows the schematic cross sectional views of the illustrative embodiments according to elastomer metal bearing 1 of the present invention in Fig. 1.As can be seen from Figure 2, the inner member 2 be positioned on first axial end portion 7 at the top place of this accompanying drawing is designed to taper, and comprises conical seat 8.On second axial end portion 9 at bottom place being positioned at this accompanying drawing, inner member 2 has planar design, and is formed as substantially flushing with elastomer sleeve 3.
As shown in Figure 2, in the shown illustrative embodiments according to elastomer metal bearing 1 of the present invention, only conical seat 8 namely stretches out from elastomer sleeve 3 in side on the first axial end portion 7.In this respect, the length of inner member 2 corresponds essentially to the length of elastomer sleeve 3, and this makes elastomer metal bearing 1 according to the present invention have profile design compact especially.
Can be connected on inner member 2, not shown in figure 2 adjacent part or support unit such as by insert inner member 2 hole 5 in same unshowned pin or be bolted on this inner member 2, continue with axial end portion 7 phase of inner member 2 to make support unit.Support unit is advantageously formed on the attachment portion of the axial end portion 7 of adjacent inner member 2, to make the attachment portion of this support unit have the negative shape corresponding with the conical seat 8 of inner member 2, thus this attachment portion of support unit is with the conical seat 8 of this inner member 2 of form fit connection acceptance.Therefore the conical seat 8 of this inner member 2 is formed and connects about the form fit between the support unit of the power (transverse force) acted on transverse to bearing axis 6 and inner member 2.
Connected by form fit, described transverse force reliably can be delivered to this inner member 2 from the support unit be connected with inner member 2, or vice versa.Compared with the frictional connection (this frictional connection is incited somebody to action composition graphs 3 below and illustrated) between support unit and the inner member of the elastomer metal bearing according to prior art, the form fit provided by elastomer metal bearing 1 according to the present invention connects the large manyfold of power transmission making to carry out transverse to longitudinal direction or bearing axis 6.
By transmitting transverse force via this originality taper, that is connected by this form fit and transmit transverse force, elastomer metal bearing 1 according to the present invention also makes likely to reduce reliable transverse force and transmits necessary and for making support unit be forced into the prestressing force on inner member 2 by pin or bolt because the friction of separating plane no longer limit can by the limit of the transverse force of reliable delivery.The pin with small diameter or bolt can be used thus, and therefore can realize the special compact structure of elastomer metal bearing 1.Therefore allow totally to reduce the material used according to elastomer metal bearing 1 of the present invention, and therefore reduce weight.Conical seat 8 also causes the self-centering of the support unit being connected to elastomer metal bearing 1, facilitates assembling extraly thus.
Fig. 3 shows the schematic cross sectional views of the elastomer metal bearing 10 according to prior art.Shown elastomer metal bearing 10 and the configuration of axial end portion 7 being especially inner member 11 according to the difference of the inner member 2 of elastomer metal bearing 1 of the present invention.As can as seen from Figure 3, two axial end portions 7 and 9 according to the inner member 11 of the elastomer metal bearing 10 of prior art be all planar designs, and are formed as substantially flushing with elastomer sleeve 3.As already explained, adjacent support unit (not shown) is attached to inner member 11 by pin or bolt.But, because two axial end portions 7 and 9 of inner member 11 are all planar designs, in the power (transverse force) acted on transverse to bearing axis 6, between inner member 11 and the support unit being attached on it, only there is frictional connection.But, in order to transmit the transverse force of identical magnitude, the prestressing force that support unit required by the elastomer metal bearing 10 of prior art and the prestressing force between inner member 11 compare required by elastomer metal bearing 1 of the present invention is much bigger, and this prestressing force must be applied by the pin or bolt connecting these parts.
Obviously, independent Fig. 1 to 3 is not drawn to scale.
Elastomer metal bearing 1 according to the present invention is not restricted to illustrative embodiments described herein and illustrated in the accompanying drawings certainly.Therefore, the conical seat on the end of inner member obviously suitably can be selected in its shape, its tilt angle and its profile, as long as guarantee that between inner member and adjacent part or support unit the form fit limited by the present invention connects.Therefore, other configuration of conical seat is also included within the present invention, such as, can design the conical seat that inwardly bearing axis tilts.
In addition, for the shape that the design of the axial end portion of inner member also can be beyond conical by its shape described herein, by the shape beyond described conical by its shape, can be connected with the form fit realizing between adjacent part or support unit being limited by the present invention at the inner member of elastomer bearing according to the present invention.These shapes are equally within disclosure of the present invention.
The axial end portion of the more than one inner member according to elastomer metal bearing of the present invention can be designed equally, so that at the parts be connected with elastomer metal bearing according to the present invention or set up form fit between support unit and the inner member according to elastomer metal bearing of the present invention and be connected.In this case, by likely such as to the multiple support unit of not homonymy attaching of elastomer metal bearing according to the present invention or two cantilever arms of single support unit.Described cantilever arm can by a mechanism supports, and this mechanism is provided by the tapered portion of the large length in the gap between having than cantilever arm after installing elastomer metal bearing, and this mechanism regulates these two cantilever arms to the gap of elastomer metal bearing.
In a preferred embodiment, elastomer metal bearing according to the present invention is used in the wheel suspension of motor vehicle, simple shear power for parts such as suspension coupling, horizontal coupling, wheel stand, the vibration damper etc. of wheel suspension is interconnected, or for the connection of they and automobile body.In this case, elastomer metal bearing according to the present invention also can be described as axle sleeve, it is preferably substantially for tubular designs and comprise as the inner cylindrical metal ring of inner member or pipe and as the outer cylindrical metal ring of external component or pipe, and at least one axial end portion of inner member is conical design and comprises conical seat.Also can by external component design its end at least one on, with the originality configuration making it correspond to inner member.
Reference numerals list:
1 elastomer metal bearing
2 inner members
3 elastomer sleeve
4 external components
5 holes
6 bearing axis, longitudinal axis
7 first axial end portions
8 conical seats
9 second axial end portions
10 elastomer metal bearings (prior art)
11 inner members (prior art)
Claims (6)
1. an elastomer metal bearing (1), described elastomer metal bearing (1) comprises inner member (2), elastomer sleeve (3) and external component (4), described elastomer sleeve (3) is arranged between described inner member (2) and described external component (4)
Wherein at least one axial end portion (7,9) on, described inner member (2) is formed as follows, that is: in the power transmission transverse to the bearing axis (6) limited by described inner member (2), described inner member forms form fit with the adjacent part that can be connected to described inner member (2) and is connected
At least one axial end portion wherein said (7,9) is conical design.
2. elastomer metal bearing according to claim 1, wherein said inner member (2) is implemented as metal sleeve, and described metal sleeve is surrounded by the described elastomer sleeve (3) of firm attachment.
3. elastomer metal bearing according to claim 1, wherein said inner member (2) is with its tapered end (7; 9) reach outside described elastomer sleeve (3).
4. elastomer metal bearing according to claim 1, wherein said inner member (2) has the length substantially identical with elastomer sleeve (3).
5. elastomer metal bearing according to claim 1, wherein said external component (4) is implemented as metal sleeve, and described metal sleeve surrounds the described elastomer sleeve (3) of firm attachment.
6., according to elastomer metal bearing in any one of the preceding claims wherein, wherein said elastomer sleeve (3) is attached to described inner member (2) and/or described external component (4) with sulfuration process.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102010037891.7 | 2010-09-30 | ||
| DE201010037891 DE102010037891A1 (en) | 2010-09-30 | 2010-09-30 | Elastomer-metal bearing used in wheel suspension of motor vehicle, has inner portion, elastomeric sleeve and outer portion, in which the elastomeric sleeve is arranged between inner and outer portions |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102444682A CN102444682A (en) | 2012-05-09 |
| CN102444682B true CN102444682B (en) | 2015-11-18 |
Family
ID=45832341
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110272379.8A Expired - Fee Related CN102444682B (en) | 2010-09-30 | 2011-09-14 | Elastomer metal bearing |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN102444682B (en) |
| DE (1) | DE102010037891A1 (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110552287B (en) * | 2019-10-09 | 2021-05-14 | 株洲时代新材料科技股份有限公司 | Flexible telescopic mechanism for bridge and bridge telescopic device |
| DE202021103783U1 (en) | 2021-07-15 | 2022-10-18 | HQM SCHERDEL GmbH | Elastomer-Metal Bearing |
| DE102021118280B4 (en) | 2021-07-15 | 2024-02-22 | HQM SCHERDEL GmbH | Elastomeric metal bearing and process for its production |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2749160A (en) * | 1949-08-09 | 1956-06-05 | Gen Tire & Rubber Co | Steel backed rubber bushings |
| GB1081174A (en) * | 1965-07-05 | 1967-08-31 | Monarch Rubber Company | Resilient bushing manufacture |
| DE3546289A1 (en) * | 1985-12-28 | 1987-07-02 | Schulz Gerd Fahrzeug Cont | Carrier bushing |
| DE10227978A1 (en) * | 2002-06-22 | 2004-01-29 | Zf Boge Gmbh | Damping element consists of elastic ring between inner and outer pipes and vulcanized together, with peripheral outer ridge around inner pipe |
| CN201420826Y (en) * | 2009-05-22 | 2010-03-10 | 书元机械企业(昆山)有限公司 | Anti-vibration bush with alloy shaft sleeve |
| CN101695895A (en) * | 2009-11-03 | 2010-04-21 | 奇瑞汽车股份有限公司 | Inclined plane slide block type control arm bush structure |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006220208A (en) * | 2005-02-10 | 2006-08-24 | Toyo Tire & Rubber Co Ltd | Installation structure of vibration-proof bushing |
-
2010
- 2010-09-30 DE DE201010037891 patent/DE102010037891A1/en not_active Ceased
-
2011
- 2011-09-14 CN CN201110272379.8A patent/CN102444682B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2749160A (en) * | 1949-08-09 | 1956-06-05 | Gen Tire & Rubber Co | Steel backed rubber bushings |
| GB1081174A (en) * | 1965-07-05 | 1967-08-31 | Monarch Rubber Company | Resilient bushing manufacture |
| DE3546289A1 (en) * | 1985-12-28 | 1987-07-02 | Schulz Gerd Fahrzeug Cont | Carrier bushing |
| DE10227978A1 (en) * | 2002-06-22 | 2004-01-29 | Zf Boge Gmbh | Damping element consists of elastic ring between inner and outer pipes and vulcanized together, with peripheral outer ridge around inner pipe |
| CN201420826Y (en) * | 2009-05-22 | 2010-03-10 | 书元机械企业(昆山)有限公司 | Anti-vibration bush with alloy shaft sleeve |
| CN101695895A (en) * | 2009-11-03 | 2010-04-21 | 奇瑞汽车股份有限公司 | Inclined plane slide block type control arm bush structure |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102444682A (en) | 2012-05-09 |
| DE102010037891A1 (en) | 2012-04-05 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
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Granted publication date: 20151118 Termination date: 20200914 |