CN101487500A - Central releasing unit - Google Patents
Central releasing unit Download PDFInfo
- Publication number
- CN101487500A CN101487500A CNA2008102421989A CN200810242198A CN101487500A CN 101487500 A CN101487500 A CN 101487500A CN A2008102421989 A CNA2008102421989 A CN A2008102421989A CN 200810242198 A CN200810242198 A CN 200810242198A CN 101487500 A CN101487500 A CN 101487500A
- Authority
- CN
- China
- Prior art keywords
- magnet
- fixed
- flange element
- piston
- central
- 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.)
- Granted
Links
- 229920003023 plastic Polymers 0.000 claims description 15
- 239000004033 plastic Substances 0.000 claims description 15
- 238000000926 separation method Methods 0.000 abstract 1
- 239000011324 bead Substances 0.000 description 16
- 239000000523 sample Substances 0.000 description 6
- 238000006073 displacement reaction Methods 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000005096 rolling process Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 241000167854 Bourreria succulenta Species 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- 230000036316 preload Effects 0.000 description 1
Images
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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D25/00—Fluid-actuated clutches
- F16D25/08—Fluid-actuated clutches with fluid-actuated member not rotating with a clutching member
- F16D25/082—Fluid-actuated clutches with fluid-actuated member not rotating with a clutching member the line of action of the fluid-actuated members co-inciding with the axis of rotation
- F16D25/083—Actuators therefor
-
- 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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D2300/00—Special features for couplings or clutches
- F16D2300/18—Sensors; Details or arrangements thereof
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Measurement Of Length, Angles, Or The Like Using Electric Or Magnetic Means (AREA)
- Measuring Fluid Pressure (AREA)
- Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
Abstract
The invention relates to a center separation device which is provide with a piston which can be relative to a shell to axially move. An inner lane for separating bearings is fixed on the piston. A flange element is connected with the inner lane, wherein a magnetic body is fixed on the flange element and a sensor element is fixed on the shell. According to the invention, the magnetic body is fixed on the flange element via a clamping and/or splicing way.
Description
Technical field
The present invention relates to a kind of by first claim central segregating unit as described in the preamble and especially for determining piston position or being used to detect the adjustment displacement of release bearing.
Background technique
DE102 42 841 A1 disclose a kind of release bearing that is used for automobile clutch, have the electromagnetic probe that is used to measure the release bearing piston position, and it can measure the position of the piston of release bearing with respect to main body.
This release bearing comprises a columniform main body and a piston, and this piston can move axially and be bearing in this body interior.Additional on the end of this piston have a circle that belongs to a rolling bearing, and wherein, an elastic pressure element axially inserts between two supporting surfaces.A supporting surface is configured on the bead, and this bead is arranged on the circle of described rolling bearing.Release bearing has a contactless electromagnetic probe, it comprises the magnet and, with this magnet relative and target label put fixing with respect to described body position that are installed on the described bead, with definite described piston with respect to the position on described main body axial.In addition, bead has a supporting arm, and it extends radially outwardly and always described magnet at the end of its radially outer upper support.
This magnet constitutes in the mode of interlocking part, and supporting arm to small part is rabbeted part ground moulding around this.
Shortcoming in this respect is that the moulding of magnet in supporting arm is quite bothersome.
DE 20 2,006 014 024 U1 have introduced a kind of similar solution.The document discloses a kind of central segregating unit that is used for the clutch control of hydraulic pressure, and it is inner and at the tubular sleeve that on the one end center is fixed on this housing to comprise that a housing with a cylindrical hole and one are arranged on this through hole with one heart.The annular piston that can be connected with the clutch effect can be directed on sleeve with moving axially, and the inner ring of a release bearing is fixed on the outer end of this annular piston.For measuring the axial position of annular piston, on this housing, fixedly fix a sensor that is used to detect with respect to housing.
For sensor sets a magnet that can be directed to with moving axially, it is fixed on and is used on the inner ring axially seamlessly being connected by annular piston annular solid of servo-actuated when it moves axially with one.Magnet is that relative sensor is directed to movably with the distance that remains unchanged on its shift motion, and utilizes jockey axially not have the gap but can embed in the circumferential groove of annular solid with moving radially.Quite complicated on this solution structure.
Summary of the invention
The objective of the invention is to, develop a kind of central segregating unit, wherein, can under the situation of simple project organization, realize position of piston mensuration.
This purpose realizes by the feature of the first claim characteristic.Favourable configuration is drawn by dependent claims.
Central authorities' segregating unit has one can axially movable piston with respect to a housing, fixing an inner ring of release bearing on the piston, wherein, fix the flange element of a magnet of a supporting on this inner ring, and on described housing, being fixed with the sensor element of an electromagnetic probe formula and according to the present invention, this magnet is by clamping and/or be adhesively fixed on this flange element.
By clamping or bonding connection the between magnet and the flange element, flange element can be simple in structure and processing technique on advantageously constitute.
Flange element this preferably have one be positioned at radially outer, directed in the axial direction first, magnet is fixed on this first.
Additionally, can be provided with axially outward extending second on the flange element, this second face diameter is to outwards being connected with first face and being configured for the backstop or a supporting surface of magnet, magnet clamping and/or be bonded on this second.
Can use magnet, so that for clamping or bondingly provide better precondition with the plastics jacket.
Magnet or its plastic packets cover have one or more forming unit, and the forming unit of the correspondence of flange element (7) can fit in described one or more forming unit.
Conversion ground, flange element can have one or more forming unit, and the forming unit of the correspondence of the plastics jacket of magnet and/or magnet can fit in this one or more forming unit.
Magnet can adopt the mode of the matrix with square, rectangular or circular cross section to constitute.
If magnet carries out axial motion equally by the axial motion of piston, this magnet trigger signal in electromagnetic probe can be discerned position of piston by sensor thus and maybe can realize (the adjustment displacement of piston or release bearing) displacement measurement so.
Description of drawings
The present invention is described in detail by embodiment and accompanying drawing below.Wherein:
Fig. 1 illustrates the sectional arrangement drawing of central segregating unit 1;
Fig. 2 illustrates the magnet 8 that is provided with plastics jacket 8.1 fixed solution on the elongated area 7.3 radially in bead 7;
Fig. 3 illustrates the magnet 8 that is provided with plastics jacket 8.1 and is positioned at fixed solution on the radially outer, axially extended regional 7.4 in one of bead 7.
Embodiment
Fig. 1 illustrates a sectional arrangement drawing of central segregating unit 1.Central authorities' segregating unit 1 has housing 2, and in this housing, an annular piston 3 can move axially between the guide sleeve 4 and a cylindrical pilot hole 2.1 that is bearing in housing 2.Known its inner ring 5.1 of release bearing 5 usefulness is fixed on the left part in the accompanying drawing of piston 3.Release bearing 5 have rotating outer ring 5.2 and have the ball 5.3 that is arranged between inner ring and the outer ring 5.1,5.2 and by a reloading spring 6 definitely by preload.
One bead 7 is fixed on the inner face of inner ring 5.1, on this bead, is provided with one at radially outer and is used for a fixed position B with magnet 8 of rectangular cross section.Fixed position B has one that be positioned at radially outer and axially directed first 7.1, one and is connected on this first to outward extending second 7.2 towards described release bearing leading thread.Two faces 7.1 and 7.2 are here each other in being provided with squarely.Described magnet is by being clamped on first 7.1.Second 7.2 as backstop.
Conversion or additionally, described magnet can with first and/or second 7.1,7.2 bonding.
Here be arranged on the housing 2 to the electromagnetic sensor that only schematically illustrates 9 fixed-site.Electromagnetic sensor 9 is in the top of magnet 8.Electromagnetic sensor 9 separates or bonding state or the adjustment displacement that is used to measure piston 3 or release bearing 5 combining to be used to detect with described magnet.
Connect a pressure chamber 10 on the other end of piston 3, this pressure chamber seals with respect to surrounding environment.
Plastics 8.1 jacket magnets 8 can be used according to Fig. 2 in conversion ground, and wherein, plastics 8.1 have the depression 8.2 of chink type for example, and one of bead 7 zone that extends radially outwardly 7.3 fits in this depression in the B of fixed position.Here also can zone 7.3 is mutually bonding with the plastics jacket 8.1 of magnet 8.
According to Fig. 3, used the magnet 8 of plastics 8.1 jackets to have a directed in the axial direction depression 8.3, of bead 7 is positioned at radially outer, axially bend the zone 7.4 that fits into this depression.Here also zone 7.4 additionally can be bonded in the depression 8.2 of plastics jacket 8.1.
Working principle is as follows:
The outer ring 5.2 of release bearing 5 constitutes and is determined the functional element that is used for all the time with unshowned clutch engagement effect.Guarantee with required for this reason the contacting by reloading spring 6 between the described clutch outer ring 5.2.If piston 3 moves axially, therefore this piston causes the inner ring 5.1 of release bearing 5 and consistent the moving axially of flange element 7.The magnet 8 that is fixed on the bead 7 carries out axial motion equally.Cause that thus the variation of electromagnetic probe 9 internal magnetic fields also detects the motion of described piston and described release bearing thus.Signal is delivered to unshowned electrical assembly and processed from electromagnetic probe 8, can determine thus by piston 3 processes with axial distance directional correlation and the axial position of determining this piston thus.
List of numerals
The axially upper directed face of 1 central releasing unit, 7.1 beads 7
The footpath of 2 housings, 7.2 beads 7 is the face of orientation upwards
2.1 extending radially outwardly of pilot hole 7.3 beads 7
3 piston area
The zone that axially the bending of 4 pilot sleeves, 7.4 beads 7
5 release bearings, 8 magnets
5.1 inner ring 8.1 plastics jackets
5.2 the depression in the 8.2 plastics jackets of outer ring
5.3 ball 9 electromagnetic sensors
6 reloading springs, 10 pressure chambers
7 beads
Claims (7)
1. central segregating unit (1), having a relative housing (2) can axially movable piston (3), one inner ring (5.1) of one release bearing (5) is fixed on this piston, one flange element (7) is connected with this inner ring, wherein, this flange element (7) that is fixed on one magnet (8) goes up and a sensor element (9) is fixed on this housing (2), it is characterized in that, described magnet is by clamping and/or be adhesively fixed on the described flange element (7).
2. by the described central segregating unit of claim 1, it is characterized in that described flange element (7) has one directed in the axial direction first (7.1), described magnet (8) is fixed on this first.
3. by the described central segregating unit of claim 1, it is characterized in that described flange element (7) has one directed in the axial direction first (7.1) and one outward extending diametrically second (7.2), described magnet is fixed on these faces.
4. by one of claim 1-3 described central segregating unit, it is characterized in that described magnet plastics jacket.
5. by one of claim 1-3 described central segregating unit, it is characterized in that, described magnet (8) or its plastic packets cover have one or more forming unit, and some forming units of the correspondence of described flange element (7) can fit in this one or more forming unit.
6. by one of claim 1-4 described central segregating unit, it is characterized in that, described flange element (7) has one or more forming units, and some forming units of the correspondence of the described plastics jacket of described magnet (8) or this magnet can fit in these one or more forming units.
7. by the described central segregating unit of one of claim 1-6, it is characterized in that described magnet (8) constitutes with the form of body with square, rectangular or circular cross section.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102007058016.0 | 2007-12-03 | ||
| DE102007058016 | 2007-12-03 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101487500A true CN101487500A (en) | 2009-07-22 |
| CN101487500B CN101487500B (en) | 2012-11-14 |
Family
ID=40586084
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2008102421989A Expired - Fee Related CN101487500B (en) | 2007-12-03 | 2008-12-03 | Central releasing unit |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN101487500B (en) |
| DE (1) | DE102008057643B4 (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102269226A (en) * | 2010-05-27 | 2011-12-07 | 舍弗勒技术两合公司 | Release bearing assembly |
| CN103930687A (en) * | 2011-08-03 | 2014-07-16 | 舍弗勒技术有限两合公司 | Hydraulic cylinder, in particular for a clutch-operating device in a motor vehicle |
| CN104180990A (en) * | 2014-09-19 | 2014-12-03 | 集瑞联合重工有限公司 | Release bearing structure of clutch and release stroke test method of clutch |
| CN104662320A (en) * | 2012-08-16 | 2015-05-27 | 舍弗勒技术股份两合公司 | Transport locking device, in particular for a piston of a release bearing |
| CN110067819A (en) * | 2018-01-24 | 2019-07-30 | 舍弗勒技术股份两合公司 | Clutch release device with a magnet movable relative to a piston for detecting the position of the piston |
| CN110691919A (en) * | 2017-06-01 | 2020-01-14 | 舍弗勒技术股份两合公司 | Central separator with sensor that can be inserted into housing, central separator with piston and magnet fixed to piston, and method for assembling same |
| CN111788404A (en) * | 2018-03-01 | 2020-10-16 | 舍弗勒技术股份两合公司 | The piston is provided with a slave cylinder connected with a sensor component; operating device and clutch system |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102010021788A1 (en) * | 2010-05-27 | 2011-12-01 | Schaeffler Technologies Gmbh & Co. Kg | clutch release bearing |
| DE102012220322A1 (en) | 2012-11-08 | 2014-05-08 | Schaeffler Technologies Gmbh & Co. Kg | Release system for clutch of motor vehicle, has piston axially displaced inside housing through pressure chamber pressurized with pressure medium and for actuating clutch |
| WO2017178011A1 (en) | 2016-04-14 | 2017-10-19 | Schaeffler Technologies AG & Co. KG | Clutch slave cylinder with travel gauge |
| FR3056270B1 (en) * | 2016-09-21 | 2019-11-15 | Valeo Embrayages | HYDRAULIC CYLINDER RECEIVER EQUIPPED WITH POSITION SENSOR |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19915832A1 (en) | 1999-04-08 | 2000-07-06 | Bayerische Motoren Werke Ag | Vehicle with position transducer for power control element has Hall switch with magnet integrated into transducer cylinder and pick-up part for mounting on housing of transducer cylinder |
| FR2829815B1 (en) | 2001-09-20 | 2003-10-31 | Equip 10 | STOPPER FOR CLUTCH EQUIPPED WITH A MAGNETIC SENSOR |
| DE202006014024U1 (en) | 2006-09-08 | 2006-11-09 | Fte Automotive Gmbh | Clutch release bearing for hydraulically operated unit, comprises magnetic element positioned tolerance free but radial movable inside groove |
| ATE524667T1 (en) | 2007-02-23 | 2011-09-15 | Schaeffler Technologies Gmbh | SLAVE CYLINDER WITH DISTANCE MEASUREMENT DEVICE |
-
2008
- 2008-11-17 DE DE102008057643.3A patent/DE102008057643B4/en not_active Expired - Fee Related
- 2008-12-03 CN CN2008102421989A patent/CN101487500B/en not_active Expired - Fee Related
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102269226A (en) * | 2010-05-27 | 2011-12-07 | 舍弗勒技术两合公司 | Release bearing assembly |
| CN102269226B (en) * | 2010-05-27 | 2015-11-25 | 舍弗勒技术股份两合公司 | Separating bearing device |
| CN103930687A (en) * | 2011-08-03 | 2014-07-16 | 舍弗勒技术有限两合公司 | Hydraulic cylinder, in particular for a clutch-operating device in a motor vehicle |
| CN103930687B (en) * | 2011-08-03 | 2016-04-20 | 舍弗勒技术股份两合公司 | Hydraulic cylinder, in particular for a clutch actuation device in a motor vehicle |
| CN104662320A (en) * | 2012-08-16 | 2015-05-27 | 舍弗勒技术股份两合公司 | Transport locking device, in particular for a piston of a release bearing |
| CN104662320B (en) * | 2012-08-16 | 2017-02-22 | 舍弗勒技术股份两合公司 | Transport locking device, in particular for a piston of a release bearing |
| US9670970B2 (en) | 2012-08-16 | 2017-06-06 | Schaeffler Technologies AG & Co. KG | Transport lock, in particular for the piston of a clutch release bearing |
| CN104180990A (en) * | 2014-09-19 | 2014-12-03 | 集瑞联合重工有限公司 | Release bearing structure of clutch and release stroke test method of clutch |
| CN110691919A (en) * | 2017-06-01 | 2020-01-14 | 舍弗勒技术股份两合公司 | Central separator with sensor that can be inserted into housing, central separator with piston and magnet fixed to piston, and method for assembling same |
| CN110067819A (en) * | 2018-01-24 | 2019-07-30 | 舍弗勒技术股份两合公司 | Clutch release device with a magnet movable relative to a piston for detecting the position of the piston |
| CN110067819B (en) * | 2018-01-24 | 2022-08-19 | 舍弗勒技术股份两合公司 | Clutch release having a magnet movable relative to a piston for detecting the position of the piston |
| CN111788404A (en) * | 2018-03-01 | 2020-10-16 | 舍弗勒技术股份两合公司 | The piston is provided with a slave cylinder connected with a sensor component; operating device and clutch system |
Also Published As
| Publication number | Publication date |
|---|---|
| DE102008057643A1 (en) | 2009-06-04 |
| DE102008057643B4 (en) | 2018-07-26 |
| CN101487500B (en) | 2012-11-14 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 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 | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: LUK VERMOEGENSVERWALTUNGSGESELLSCHAFT MBH Free format text: FORMER OWNER: LUK LAMELLEN UND KUPPLUNGSBAU GMBH Effective date: 20130619 Owner name: SCHAEFFLER TECHNOLOGY GMBH + CO. KG Free format text: FORMER OWNER: LUK VERMOEGENSVERWALTUNGSGESELLSCHAFT MBH Effective date: 20130619 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20130619 Address after: German Boer Patentee after: Luke Asset Management Co.,Ltd. Address before: German Boer Patentee before: LUK LAMELLEN UND KUPPLUNGSBAU BETEILIGUNGS KG Effective date of registration: 20130619 Address after: German Herzogenaurach Patentee after: SCHAEFFLER TECHNOLOGIES AG & CO.KG Address before: German Boer Patentee before: Luke Asset Management Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20121114 |