DE102008014517A1 - Clutch disk supporting units i.e. outer clutch disk supporting units, have sealing ring receiving elements for receiving radial seal rings, where receiving elements are provided in deforming technical manner in process step - Google Patents

Abstract

The units (10, 11, 43, 44) have supporting elements (12, 13), and sealing ring receiving elements (14, 15), which are utilized to receive radial seal rings (16, 17). The receiving elements are provided in a deforming technical manner in a process step. The supporting elements and the seal ring receiving elements are designed as a single piece. The seal ring receiving elements are arranged at radial surfaces (18, 19) of the units, where surfaces are oriented radially outwards. A covering device (22) and the supporting elements are connected together in a material engaged manner. An independent claim is also included for a method for manufacturing the clutch disk supporting units.

Description

The The invention relates to a clutch disk carrier unit according to the preamble of claim 1 or claim 9 and a method for producing a clutch disk carrier unit according to the preamble of claim 17.

It are already clutch disc carrier units, in particular outer clutch disc carrier units, with a carrier element and with a sealing ring receiving element intended for to record a radial seal, known.

Of the The invention is in particular based on the object of providing a clutch disk carrier unit, which can be produced easily and in particular inexpensively and which advantageously has high strength. It is according to the invention by the features of the main claim and the independent subsidiary claim solved. Further embodiments emerge from the subclaims.

The The invention is based on a clutch disk carrier unit, in particular a Outer clutch plate carrier unit with a carrier element and with a sealing ring receiving element intended for to receive a radial seal.

It It is proposed that the sealing ring receiving element in at least a forming process is introduced. This can realized a simple production and manufacturing costs of Clutch plate carrier unit be reduced. Advantageously, the sealing ring receiving element introduced in a flow-forming process. Under a "sealing ring receiving element" is intended in particular an element are understood, preferably a has circumferential groove into which the radial seal can be inserted. Under a "carrier element" is intended in particular an element of the clutch disc carrier unit are understood having a receiving unit which is intended to receive clutch plates.

Preferably are the carrier element and the sealing ring receiving element integrally formed. This can the clutch plate carrier unit be made particularly simple in a process step.

Further It is proposed to arrange the sealing ring receiving element on a radial surface. Thereby can be an advantageous seal by means of the in the sealing ring receiving element inserted radial seal can be achieved. In particular, under a "surface" a surface understood a consisting of a solid material volume element become. Under a "radial surface" in particular an area be understood that has an axial component which is greater than is a radial component. Under an "axial component" of the surface is intended in particular, an amount of a directional component parallel to the axial axis be understood. Under a "radial component" is intended in particular an amount of directional component perpendicular to the axial axis be understood. Under "Axial surface" should continue in particular an area be understood that has a radial component, the size exceeding is an axial component. Under an "axial axis" is intended in particular a rotation axis of the clutch disk carrier unit be understood.

advantageously, is the radial surface radially outward oriented. As a result, a sealing effect of a radial sealing ring, which is received by the sealing ring receiving element, by a reinforced radial rotation become. The term "radial" should thereby here and below, unless explicitly stated otherwise, in Be understood with respect to the axial axis.

Further it is proposed that the radial surface at least partially is provided, an actuating volume complete. Thereby, by means of a simple construction of the clutch disc carrier unit An adequate sealing of an actuating volume can be achieved. Under an "operating volume" should in particular one for lock in and open a hydraulic coupling unit provided operating volume be understood.

Further It is proposed that the coupling device is a cover device and a connection unit provided for Cover device to the support element to tie. Thus, the coupling device can be reinforced. Under a "lid device" is intended in particular a substantially rotationally symmetric, by two equidistant surfaces Limited volume element to be understood. In particular, "connection unit" is intended a region can be understood in which two volume elements together borders and are interconnected. The connection unit can while frictionally, form-fitting and / or cohesive be educated. Two surfaces form a surface a volume element made of solid material.

Preferably, the connection unit has an axial stop and / or a radial stop, which is intended to limit a displacement of the cover device. As a result, the displacement of the cover device by the axial stop in an axial direction and / or by the Radial stop are limited in a radial direction, whereby a reinforcing effect in the axial direction and / or the radial direction can be effected. An "axial direction" is understood to mean a direction along the axial direction. The term "radial direction" is to be understood as meaning a direction which is oriented perpendicular to the axial axis, preferably radially outwards.

advantageously, the lid device and the carrier element are cohesively with one another connected. This allows the coupling device a high rigidity in the axial direction and a clearance between the carrier unit and lid device can be avoided. Preferably, the Cover device and the carrier element welded together, In particular, the lid device and the carrier element laser welded together.

Further becomes a clutch disk carrier unit, in particular outer clutch plate carrier unit, with a carrier element and with an amplification device, which is intended to reinforce a structure of the carrier element, proposed wherein the reinforcing device at least one reinforcing ring having. This can be a fan-out the carrier element can be reduced, which achieves a high torsional strength and reduces noise generated by vibrations can be. Under a "reinforcing ring" in particular a hollow cylinder with a small compared to the diameter Wall thickness be understood. An extension of the hollow cylinder advantageously has a width that is not greater than a length the carrier element is. Preferably, the reinforcing ring made of a fiber material. As a result, a clutch disk carrier unit simple and especially inexpensive be prepared and advantageously has a particularly high Strength on.

Further It is proposed that the amplification unit at least one radial surface with a wavy Structure has. This allows a weight of the clutch plate carrier unit and a friction loss can be reduced.

advantageously, is the radial surface introduced in at least one process step forming technology. Thereby can Production costs are further reduced. Especially advantageous can the radial surface to be rolled.

Further It is proposed that the radial surface be oriented radially outward is. As a result, a deformation of the clutch disk carrier unit at high centrifugal forces be avoided.

Further Another embodiment is proposed in which the radial surface is radial is oriented inward. This allows the weight of the clutch plate carrier unit be reduced and a good hysteresis behavior with respect to an operating unit, in particular an actuating piston, which is intended to operate a hydraulic coupling unit achieved become.

Preferably has the radial surface at least one receiving unit, which is provided to clutch plates take. As a result, the receiving unit in a process step are introduced and thus the manufacturing costs are reduced. In particular, a "receiving unit" is intended an internal toothing of the clutch disc carrier unit are understood which is intended to receive the clutch plates and with the clutch plate carrier unit rotatably and axially movable to connect.

advantageously, are the reinforcing device and the clutch plate carrier at least partially in one piece educated. This can reduce the weight and the clutch plate carrier unit economical and easily manufactured in a forming process. advantageously, the reinforcing device is in a flow-forming process brought in.

Further it is proposed that the reinforcing device at least an axial disc having a radial component greater than zero. This shows the clutch plate carrier unit a high axial stiffness and can be particularly inexpensive and be arranged compact. Under a "Axialscheibe" should in particular a volume element understood by two equidistant axial faces, which have a radial component and an axial component limited becomes. Preferably, the axial disc has several areas with different Radial components on. The radial component is advantageous over a Range of more than 30% of a total radial extent of the Axial disc or the axial surfaces larger than Zero, with a range of more than 50% advantageous and more than 70% is particularly advantageous.

Further Advantages are shown in the following description of the drawing. In the drawings is an embodiment represented the invention. The drawings, the description and the requirements contain numerous features in combination nation. The specialist will the features expediently also consider individually and to meaningful further combinations sum up.

there demonstrate:

1 an axial section of a Kupplungsvor Direction with two coupling units and two clutch disc carrier units and

2 a radial section of an outer clutch plate carrier unit.

1 shows an axial section of a coupling device 40 with two coupling units 41 . 42 , Each coupling unit 41 . 42 has two clutch disc carrier units 10 . 11 . 43 . 44 on, which are provided, each having a plurality of clutch plates 36 . 37 . 45 . 46 take. The clutch plate carrier units 10 . 11 are about an axial axis 47 , which forms an axis of rotation, rotatably mounted. Along the axial axis 47 is an axial direction 48 arranged by an entrance side 49 , which is intended to initiate a drive torque, to an output side 50 , which is provided for a discharge of an output torque points.

The coupling device 40 further includes a drive unit 51 and two output units 52 . 53 on. The drive unit 51 is intended to initiate the drive torque and axially on one side of the coupling device 40 arranged. The output units 52 . 53 are provided for the discharge of the output torque, wherein the output torque optionally via the one output unit 52 and / or the other output unit 53 can be derived. The output units 52 . 53 are on one of the drive unit 51 opposite side of the coupling device 40 arranged.

The outer clutch plate carrier unit 10 the first coupling unit 41 and the outer clutch plate carrier unit 11 the second coupling unit 42 are designed as outer clutch plate carrier units and rotationally fixed to the drive unit 51 connected. This will be one on the drive unit 51 applied drive torque from the drive unit 51 on the two outer clutch plate carrier units 10 . 11 transfer.

The inner clutch plate carrier unit 43 the first coupling unit 41 , which is formed as an inner clutch plate carrier unit, is rotationally fixed to the first output unit 52 connected. The inner clutch plate carrier unit 44 the second coupling unit 42 , which is formed as an inner clutch plate carrier unit, is rotationally fixed to the second output unit 53 connected.

The coupling units 41 . 42 are as hydraulic coupling units 41 . 42 educated. The coupling units 41 . 42 each have an operating unit 54 . 55 with an actuating piston 56 . 57 on, by a in a respective actuation volume 20 . 21 incorporated equipment the respective outer clutch plates 36 . 37 act on a coupling force and thus the corresponding coupling units 41 . 42 shut down.

When closing the first coupling unit 41 become the first outer clutch plates 36 shifted and form a frictional connection with the first inner clutch plates 45 , Thereby, the drive torque of the first outer clutch plate carrier unit 10 over the clutch plates 36 . 45 on the first inner clutch plate carrier unit 43 and on to the first output unit 52 transfer. When opening the first coupling unit 41 is by means of a first spiral spring package 58 the non-positive connection between the clutch plates 36 . 45 lifted again.

The first coupling unit 41 and the second coupling unit 42 are designed analogously and arranged radially nested. Likewise, a torque of the second outer clutch plate carrier unit 11 the second coupling unit 42 by means of the second clutch plates 37 . 46 and the second inner clutch plate carrier unit 44 on the second output unit 53 transfer. A second spiral spring package 59 opens the second coupling unit 42 again.

The first outer clutch plate carrier unit 10 has a first radial surface 60 and a second radial surface 18 on, which are arranged radially inwardly. The in a radial direction 61 first radial surface 60 is directed radially inward. Parallel to the first radial surface 60 runs the second radial surface 18 which is oriented radially outward. At the second, radially outwardly directed radial surface 18 is a sealing ring receiving element 14 arranged, which is a radial seal 16 receives. The radial seal 16 seals the actuating volume 20 for closing the first coupling unit 41 from. The sealing ring receiving element 14 has a U-shaped profile, which forms an annular groove. The sealing ring receiving element 14 is incorporated in a forming process.

Next, the clutch plate carrier unit 10 a first axial surface 62 and a second axial surface 63 on, in the radial direction 61 to the first radial surface 60 and the second radial surface 18 connect. The first and second axial surfaces 62 . 63 are equidistant and form a rotationally symmetric axial disc 38 , The axial disc 38 essentially has a radial component. The axial disc 38 supports the first outer clutch plate carrier unit 10 against the radial direction 61 against the drive unit 51 from. In the axial direction 48 supports the axial disc 38 a carrier ment 12 against a lid device 22 from. The first outer clutch plate carrier unit 10 that the support element 12 , the axial disc 38 and the sealing ring receiving element 14 has, is made in one piece.

The first outer clutch plate carrier unit 10 further includes a radially inwardly oriented third radial surface 30 and a radially outward fourth radial surface 31 on and is arranged radially outward. The third radial surface 30 closes in the axial direction 48 to the second axial surface 63 at. The fourth radial surface 31 closes to the first axial surface 62 at. The third radial surface 30 and the fourth radial surface 31 are as a surface of the support element 12 the first outer clutch plate carrier unit 10 educated. The carrier element 12 takes the first outer clutch plates 36 on.

The carrier element 12 has a connection unit 23 on which the lid device 22 the coupling unit 41 to the support element 12 connects. The connection unit 23 has an axial stop 24 on which an axial displacement in the axial direction 48 limited. The connection unit 23 further points a radial stop 25 on, which is a radial displacement in the radial direction 61 limited.

The lid device 22 has a third axial surface 67 and a fourth axial surface 68 on. The two axial surfaces 67 . 68 the lid device 22 are equidistant and form a substantially rotationally symmetric axial disc 69 , The axial disc 69 has a radial component that is greater than an axial component. The lid device 22 supports the first outer clutch plates 36 in the axial direction 48 from. The lid device 22 and the carrier element 12 are cohesively connected.

To the coupling device 40 To amplify at high speeds, in particular, the first outer clutch plate carrier unit 10 an amplification device 26 on. The reinforcing device 26 is realized by means of various elements.

A first element of the reinforcing device 26 is by means of the axial disc 38 the clutch plate carrier unit 10 realized. The axial surfaces 62 . 63 the axial disc 38 have an axial component, whereby forces are better dissipated. The radial component increases from radially inward to radially outward in the direction opposite to the axial direction 48 in three stages too. The radial component is over a range of more than 70% of a total radial extent of the axial disc 38 or the axial surfaces 62 . 63 greater than zero.

The third radial surface 30 with an inner radius 70 and the fourth radial surface 31 with an outer radius 71 which is a surface of the carrier element 12 form, are in a circumferential direction in each case wave-shaped (see. 2 ). The inner radius 70 describes a maximum extent of the third radial surface 30 the carrier element 12 in the radial direction 61 , The outer radius 71 describes a maximum extension of the fourth radial surface 31 the carrier element 12 in the radial direction 61 , A wavy structure of the third radial surface 30 and the fourth radial surface 31 is incorporated forming technology.

As another element of the reinforcing device 26 has the first outer clutch plate carrier unit 10 a reinforcing ring 28 on. The reinforcement ring 28 is in a radial region between the inner radius 70 and the outer radius 71 arranged and is designed as a closed cylinder. The reinforcement ring 28 and the carrier element 12 are integrally formed. Overall, the reinforcing device 26 and the clutch disc carrier unit 10 integrally formed.

The third radial surface 30 has a receiving unit 34 with a variety of double tooth elements 64 on, which are provided, the first outer clutch plates 36 take. The double tooth elements 64 extend in the circumferential direction and are in the axial direction 48 arranged equidistantly. Each of the double tooth elements 64 is made up of two intersecting, rounded bulges 72 . 73 educated. transitions 74 . 75 . 76 between the bulges 72 . 73 and from the bulges 72 . 73 to the third radial surface 30 are rounded (cf. 2 ).

The fourth radial surface 31 has a plurality of recesses 77 which are intended to be a weight of the clutch disc carrier unit 10 to reduce and at the same time at high speeds fanning of the support element 12 to avoid. The recesses 77 extend in the circumferential direction and are in the axial direction 48 arranged equidistantly. The recesses 77 have a flat structure with rounded edges. A maximum depth 78 the recesses 77 is less than a half of a distance 79 between the inner radius 70 and the outer radius 71 , The recesses 77 the fourth radial surface 31 are parallel in the radial direction 61 to the double tooth elements 64 the recording unit 34 the third radial surface 30 arranged (cf. 2 ).

Analogously, the second outer clutch plate carrier unit 11 the second coupling unit 42 educated. The second outer clutch plate carrier unit 11 has a Dichtringaufnahmeele ment 15 with a radial seal 17 and a carrier element 13 on. The second outer clutch plate carrier unit 11 has a first radial surface 65 and a second radial surface parallel thereto 19 on, on which the sealing ring receiving element 15 is arranged and the actuation volume 21 concludes. The carrier element 13 has a receiving unit 35 on that the second outer clutch plates 37 receives. A connection between the sealing ring receiving element 15 and the carrier element 13 forms an axial disc 39 , An amplification device 27 the second outer clutch plate carrier unit 11 has a reinforcing ring 29 and a radial component greater than zero of the thrust washer 39 on. A third radial surface 32 and a fourth radial surface 33 limit the carrier element 13 ,

Claims (17)

Clutch disk carrier unit, in particular outer clutch disk carrier unit, with a carrier element ( 12 . 13 ) and with a sealing ring receiving element ( 14 . 15 ), which is intended to provide a radial sealing ring ( 16 . 17 ), characterized in that the sealing ring receiving element ( 14 . 15 ) is introduced by forming technology in at least one process step. Clutch disc carrier unit according to claim 1, characterized in that the carrier element ( 12 . 13 ) and the sealing ring receiving element ( 14 . 15 ) are made in one piece. Clutch disk carrier unit according to claim 1 or 2, characterized in that the sealing ring receiving element ( 14 . 15 ) on a radial surface ( 18 . 19 ) is arranged. Clutch disc carrier unit according to claim 3, characterized in that the radial surface ( 18 . 19 ) is oriented radially outward. Clutch plate carrier unit at least according to claim 3, characterized in that the radial surface ( 18 . 19 ) is at least partially provided to an actuating volume ( 20 . 21 ) complete. Clutch disk carrier unit according to one of the preceding claims, characterized by a lid device ( 22 ) and a connection unit ( 23 ), which is intended, the lid device ( 22 ) to the carrier element ( 12 ). Clutch disc carrier unit according to claim 6, characterized in that the connecting unit ( 23 ) an axial stop ( 24 ) and / or a radial stop ( 25 ), which is intended, a displacement of the cover device ( 22 ) to limit. Clutch plate carrier unit at least according to claim 6, characterized in that the lid device ( 22 ) and the carrier element ( 12 ) are cohesively connected to each other. Clutch disk carrier unit, in particular outer clutch disk carrier unit, with a carrier element ( 12 . 13 ) and with an amplification device ( 26 . 27 ), which is intended to provide a structure of the carrier element ( 12 . 13 ), in particular a clutch disc carrier unit according to one of the preceding claims, characterized in that the reinforcing device ( 26 . 27 ) at least one reinforcing ring ( 28 . 29 ) having. Clutch disc carrier unit according to claim 9, characterized in that the reinforcing device ( 26 . 27 ) at least one radial surface ( 30 . 31 . 32 . 33 ) having a wavy structure. Clutch disc carrier unit according to claim 10, characterized in that the radial surface ( 30 . 31 . 32 . 33 ) is introduced by forming technology in at least one process step. Clutch disk carrier unit at least according to claim 10, characterized in that the radial surface ( 31 . 33 ) is oriented radially outward. Clutch disk carrier unit at least according to claim 10, characterized in that the radial surface ( 30 . 32 ) is oriented radially inward. Clutch disk carrier unit at least according to claim 10, characterized in that the radial surface ( 30 . 32 ) at least one receiving unit ( 34 . 35 ), which is intended to clutch plates ( 36 . 37 ). Clutch disk carrier unit at least according to claim 9, characterized in that the reinforcing device ( 26 . 27 ) and the clutch disc carrier unit are formed at least partially in one piece. Clutch plate carrier at least according to claim 9, characterized in that the reinforcing device ( 26 . 27 ) at least one axial disc ( 38 . 39 ) having a radial component greater than zero. Method for producing a clutch disc carrier unit, in particular outer clutch disc carrier unit, with a carrier element ( 12 . 13 ) and with a sealing ring receiving element ( 14 . 15 ), which is intended to provide a radial sealing ring ( 16 . 17 ), characterized in that the sealing ring receiving element ( 14 . 15 ) is introduced by forming technology in at least one process step.