WO2012146225A1 - Kupplungsdeckel - Google Patents
Kupplungsdeckel Download PDFInfo
- Publication number
- WO2012146225A1 WO2012146225A1 PCT/DE2012/000358 DE2012000358W WO2012146225A1 WO 2012146225 A1 WO2012146225 A1 WO 2012146225A1 DE 2012000358 W DE2012000358 W DE 2012000358W WO 2012146225 A1 WO2012146225 A1 WO 2012146225A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- cover
- clutch
- segments
- clutch cover
- segment
- Prior art date
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
- F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
- F16D13/00—Friction clutches
- F16D13/58—Details
- F16D13/70—Pressure members, e.g. pressure plates, for clutch-plates or lamellae; Guiding arrangements for pressure members
-
- 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
- F16D13/00—Friction clutches
- F16D13/58—Details
-
- 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
- F16D13/00—Friction clutches
- F16D13/22—Friction clutches with axially-movable clutching members
- F16D13/38—Friction clutches with axially-movable clutching members with flat clutching surfaces, e.g. discs
-
- 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
- F16D2300/12—Mounting or assembling
-
- 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
- F16D2300/26—Cover or bell housings; Details or arrangements thereof
Definitions
- the invention relates to a clutch cover, by means of which, for example, a pressure plate and / or a counter-plate of a friction clutch for a drive train of a motor vehicle can be at least partially covered.
- a friction clutch has a counter-plate firmly connected to a clutch housing and an axially movable pressure plate for pressing a clutch disc between the pressure plate and the counter-plate.
- the clutch housing has a clutch cover which at least partially covers the pressure plate and the counter plate.
- the clutch cover can also store an actuating element, for example a lever spring, by means of which the pressure plate can be pressed onto the counterplate.
- a clutch cover for a friction clutch in particular for a drive train of a motor vehicle, provided with a plurality of annularly interconnected cover segments, wherein two adjacent interconnected cover segments together form a Befest Trentsstunnel for passing a fastener, in particular screw, for connecting the clutch cover with a back plate of the friction clutch ,
- the clutch cover is not in one piece but is assembled in several pieces from several cover segments, it is possible to construct the clutch cover from cheaper smaller components, so that a friction clutch can be produced inexpensively with such a clutch cover.
- the De disgusting segments are similar, in particular identical, configured, so that many for the clutch cover
- the lid segments of a sheet in particular by punching and non-cutting forming, can be produced.
- the fastening segments formed with the aid of the cover segments it is possible to fasten two cover segments with the counterplate with the aid of only one fastener. For this purpose, it is not necessary to provide space in the radial direction.
- the attachment of the clutch cover with the Gegenpiatte can be done essentially without additional space requirements.
- an axial fastening direction can be provided, so that the fastening means opposes a widening of the clutch cover to the outside radially under the influence of centrifugal force resistance.
- the clutch cover can be additionally stiffened by the fastening means, whereby a comparatively small wall thickness can be provided for the cover segments, so that the material costs are reduced.
- the bursting strength of the clutch cover can be increased.
- an increased dimensional stability can be given for the clutch cover.
- the fastening tunnel can have a smaller axial extent compared to the rest of the lid segment, so that the fastening means, in particular a screw head of a screw, does not protrude in the axial direction from the remaining clutch cover.
- the fastening tunnel On the side facing the counter-plate, the fastening tunnel can be flush with the lid segments, so that the fastening tunnel in the assembled state can rest against the counter-plate, in particular substantially without a gap.
- the attachment tunnel may form a clearance fit or interference fit with the designated attachment means.
- a dowel pin pressed into the counterplate can be pressed into the fastening tunnel or a screw screwed to the counterplate can be guided with play through the fastening tunnel.
- the screw can be screwed into a formed in the counter-plate corresponding internal thread and / or be countered on the side facing away from the clutch cover side of the counter-plate with a corresponding nut.
- adjacent lid segments are positively connected with each other, wherein adjacent lid segments are pressed together in particular, for example by riveting.
- the cover segments can in particular be inserted into one another by an essentially axial movement and then fixed with the aid of the fastening means and / or with the aid of a compression, in particular caulking.
- the lid segment at a first side in the circumferential direction, a first segment strip for partially forming the fastening tunnel and at a second side opposite in the circumferential direction on the second side second segment strip for partially forming the fastening tunnel, wherein the first segment strip and the second segment strip of two adjacent cover segments form the fastening tunnel.
- the respective segment strip can protrude from the remaining lid segment essentially in particular in the tangential direction and / or in the circumferential direction. Due to the coordinated shaping of the respective segment strips, the fastening tunnel can be composed in two parts. This allows a simple and easy to manufacture shape design of the lid segments.
- the first segment strip forms a radially outer edge of the fastening tunnel, wherein the second segment strip forms a radially inner edge of the fastening tunnel.
- the attachment tunnel substantially cylindrically without providing complicated geometries for the cover segments.
- the segment strips each form a semicircular wall, which complement each other in the assembled state of two adjacent lid segments to the fastening tunnel.
- first segment strip and the second segment strip have positive engagement with one another engaging holding elements, in particular substantially U-shaped holding slots.
- the holding elements can, in particular, encompass one another substantially in the shape of a cross, in that the respective segment strips intersect at a right angle in the region of the holding elements.
- the segment strips form a first pair of retaining elements and a second pair of retaining elements, which are provided in particular on opposite sides of the fastening tunnel.
- the pairs of holding elements are arranged opposite each other in particular in the tangential direction and / or in the circumferential direction.
- Neighboring lid segments can be used in a particularly stable manner and with a particularly low degree of relative mobility to each other in order to connect the lid segment together.
- an axially acting tool in particular an axial riveting tool
- the holding elements can simultaneously be axially stamped from above and axially from below, so that the cycle times in the manufacture of the clutch cover can be reduced.
- the holding elements in particular by riveting, are pressed together. Since the segment strips of two different cover segments can overlap in the area of the retaining elements, it is particularly easy to connect the cover segments firmly to one another by pressing, in particular caulking, the retaining elements.
- the first segment strip and the second segment strip form a common contact surface for a screw head of a screw.
- the screw head can abut in a plane both on the first segment strip and on the second segment strip and thereby simultaneously exert a holding force on the respective segment strips on two cover segments.
- a possibility for screwing with counterforce is given. As a result, the tool and manufacturing costs can be reduced in the series production of the clutch cover.
- a radially outside of the lid segments abuttable retaining ring is provided.
- the rigidity of the segmented by the cover segments clutch cover can be increased. In particular under centrifugal force, expansion of the segmented clutch cover can be avoided or at least limited.
- the bursting strength of the clutch cover is increased.
- an increased dimensional stability is given for the clutch cover.
- the retaining ring can be provided for the lid segments a comparatively small wall thickness, so that the material costs are reduced.
- the holding can in particular be designed as a closed wire ring.
- the retaining ring is made of a different material than the lid segments. Particularly preferably, the retaining ring has a higher strength than the lid segments.
- the retaining ring is made for example of an alloyed and / or hardened steel.
- the retaining ring may be centered on the lid segments.
- the lid segment has a radially outwardly pointing nose for radial contact with the retaining ring.
- the retaining ring can thereby rest at defined locations on the lid segments.
- the lugs of all lid segments end on a common radius, so that the retaining ring can rest centered on the lid segments.
- the respective lid segment may be a single nose or more, for example two or three, have noses.
- the respective lid segment has exactly one nose, which is preferably arranged substantially centrally to the lid segment in the circumferential direction.
- the lid segment has a first axial stop for axial engagement with the retaining ring in a first axial direction and a second axial stop for axial engagement with the retaining ring in a second axial direction opposite to the first axial direction.
- the respective lid segment and thus the clutch cover is thereby limited in both axial directions by the retaining ring in the movement.
- the clutch cover is torsionally stiff and resistant to torsion. A partial elastic deformation of the clutch cover upon actuation of the friction clutch is thereby avoided, so that the clutch ratio remains constant during operation of the friction clutch and the efficiency of the friction clutch does not decrease significantly. A lift loss is avoided. Furthermore, the Anpresskraftverlauf is evened. As a result, an increased overall efficiency for the friction clutch can be achieved.
- the first axial stop and / or the second axial stop are applied to the retaining ring, so that at most a particularly small axial play is given.
- the first axial stop and / or the second axial stop bear against the retaining ring with a spring force.
- the lid segment has a radially outwardly open receiving slot for receiving the retaining ring, wherein the receiving slot forms the first axial stop and the second axial stop, wherein in particular the receiving slot is aligned substantially in the tangential direction.
- the cover segment may have through the receiving slot facing each other side surfaces which define the receiving slot and form the first axial stop and the second axial stop.
- the receiving slot and the retaining ring can in particular form a clearance fit, for example H7 / h6 or H8 / h9 according to DIN 7157.
- the retaining ring can be inserted from radially outside into the receiving slot. In this case, it is not necessary that the retaining ring extends at right angles through the receiving slot.
- the retaining ring extends in the circumferential direction while the receiving slot extends in the tangential direction.
- the contact area between the retaining ring and the lid segment can be increased, which increases the rigidity against torsion.
- the lid segments are each aligned substantially tangentially. The lid segments need not be bent, so that the production is simplified.
- the tangential alignment of the lid segments makes it possible to form a tangentially aligned receiving slot particularly easily by, for example, already providing the receiving slot when punching out the lid segment from a metal sheet.
- the lid segment has two circumferentially opposite receiving slots.
- the lid segment may have a receiving slot, in particular on opposite sides in the circumferential direction.
- the torsional stiffness can be increased.
- the lid segment has a guide element for the axial guidance of an axially movable pressure plate.
- the pressure plate can thereby be axially movable centered by the clutch cover.
- the lid segment can form a stop for the pressure plate in the axial direction, so that, for example, the pressure plate is taken captively between the Kuppiungsdeckel and the counter-plate.
- the cover segments are connected to one another with limited articulation, wherein the cover segments are in particular positively connected with each other with play.
- the limited mobility of the lid segments relative to each other makes it easier to mount the retaining ring. After mounting the retaining ring with the clutch cover, the cover segments immobile mounted, in particular fixed, and thereby tighten the retaining ring.
- the retaining ring bears against the cover segments with a bias in the radial direction. An expansion of the clutch cover under the influence of centrifugal force is thereby reduced. A relative movement of the retaining ring relative to the clutch cover can be avoided by friction.
- a recess which is open in the axial direction is formed. This makes it easier to widen the retaining ring with a tool and set up on the interconnected cover segments. Approaches of the tool, which widen the retaining ring from radially inside, can be moved through the recess, so that the tool can not strike against the clutch cover during assembly of the retaining ring.
- the invention further relates to a friction clutch, in particular for a drive train of a motor vehicle, with a counter-plate, an axially movable pressure plate for pressing a clutch disc between the pressure plate and the counter plate and a directly or indirectly connected to the counter plate clutch cover, as described above - and can be further educated.
- the friction clutch can be manufactured inexpensively.
- the clutch cover is bolted to the counter plate by means of a screw, in particular, the number of screws used for the screw connection of the clutch cover with the counter plate corresponds to the number of lid segments.
- each trained Befest Trentsstunnel be used for attachment of the clutch cover with the counter plate.
- the clutch ceiling! only connected to the pressure plate with the help of the screws.
- fastening measures such as welded joints, can be avoided, so that the production of the friction clutch can be done in accordance with cost.
- damage to the clutch cover and / or the counter plate can be avoided by an excessive heat input.
- 1 is a schematic perspective view of a friction clutch
- FIG. 2 is a schematic exploded perspective view of two lid segments of the friction clutch of FIG. 1 and FIG Fig. 3: a schematic plan view of the lid segments of Fig. 2 in the mounted state.
- a clutch cover 12 is screwed by means of screws 14 with a counter-plate 16.
- the clutch cover 12 supports actuating elements 18, via which a pressure plate 20 can be moved toward the counter plate 16.
- the clutch cover 10 has a plurality of annularly interconnected cover segments 22, which are secured by a radially outside the cover segments 22 arranged retaining ring 24 against a widening under the influence of centrifugal force.
- the cover segments 22 each have a circumferentially projecting first segment strip 26 and a projecting in an opposite circumferential direction second segment strip 28, which complement each other in the assembled state of the cover segments 22 to a Befest Trentsstunnel 30.
- the screw 14 is passed through the fastening tunnel 30 with play and with a formed in the counter-plate 16 corresponding internal thread 32 which is provided in a blind hole 34, screwed. With the help of screws 14 of the clutch cover 12 is clamped between the screws 14 and the counter-plate 16, wherein the screws 14 additionally stiffen the clutch cover 10 and avoid excessive widening of the clutch cover 10 under the influence of centrifugal force.
- the first segment strip 26 and the second segment strip 28 may each have mutually engageable holding elements 36, which in the illustrated embodiment are configured as two circumferentially opposite pairs of substantially U-shaped holding slots.
- the segment strips 26, 28 of the lid segments 22 may be positively assembled via the holding elements 36 and in particular additionally be pressed together by riveting with each other.
- the segment strips 26, 28 in the assembled state in a common plane from a common composite bearing surface 38, on which a screw head 40 of the screw 14 can abut, the cover segments 22 and thus the clutch cover 0 with the counter-plate 16 to screw. Description of friction clutch
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE112012001874.5T DE112012001874B4 (de) | 2011-04-28 | 2012-04-04 | Kupplungsdeckel |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102011018888.6 | 2011-04-28 | ||
DE102011018888 | 2011-04-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2012146225A1 true WO2012146225A1 (de) | 2012-11-01 |
Family
ID=46275629
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/DE2012/000358 WO2012146225A1 (de) | 2011-04-28 | 2012-04-04 | Kupplungsdeckel |
Country Status (2)
Country | Link |
---|---|
DE (2) | DE112012001874B4 (de) |
WO (1) | WO2012146225A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104813052A (zh) * | 2012-11-09 | 2015-07-29 | 舍弗勒技术股份两合公司 | 离合器装置 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2014032663A1 (de) | 2012-08-28 | 2014-03-06 | Schaeffler Technologies AG & Co. KG | Reibungskupplungseinrichtung |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1577243A (en) * | 1977-02-24 | 1980-10-22 | Automotive Prod Co Ltd | Friction clutch cover assemblies |
GB2148415A (en) * | 1983-10-15 | 1985-05-30 | Automotive Products Plc | Friction clutch cover assemblies |
US4616741A (en) * | 1984-05-15 | 1986-10-14 | Valeo | Clutch cover assembly |
US4655333A (en) * | 1984-05-15 | 1987-04-07 | Valeo | Clutch, in particular for automobile vehicles |
-
2012
- 2012-04-04 DE DE112012001874.5T patent/DE112012001874B4/de not_active Expired - Fee Related
- 2012-04-04 WO PCT/DE2012/000358 patent/WO2012146225A1/de active Application Filing
- 2012-04-04 DE DE102012205509A patent/DE102012205509A1/de not_active Withdrawn
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1577243A (en) * | 1977-02-24 | 1980-10-22 | Automotive Prod Co Ltd | Friction clutch cover assemblies |
GB2148415A (en) * | 1983-10-15 | 1985-05-30 | Automotive Products Plc | Friction clutch cover assemblies |
US4616741A (en) * | 1984-05-15 | 1986-10-14 | Valeo | Clutch cover assembly |
US4655333A (en) * | 1984-05-15 | 1987-04-07 | Valeo | Clutch, in particular for automobile vehicles |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104813052A (zh) * | 2012-11-09 | 2015-07-29 | 舍弗勒技术股份两合公司 | 离合器装置 |
US9915297B2 (en) | 2012-11-09 | 2018-03-13 | Schaeffler Technologies AG & Co. KG | Clutch device having interconnected plates |
Also Published As
Publication number | Publication date |
---|---|
DE102012205509A1 (de) | 2012-10-31 |
DE112012001874A5 (de) | 2014-01-23 |
DE112012001874B4 (de) | 2019-08-22 |
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