Adjustment device
A technology of adjusting device and pressure plate, which is applied to friction clutches, clutches, mechanical drive clutches, etc., can solve the problems of design freedom limitation and complex structure of adjusting device, and achieve the effect of realizing design freedom, simple structure and low cost.
Inactive Publication Date: 2016-01-27
SCHAEFFLER TECH AG & CO KG
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- Description
- Claims
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Problems solved by technology
However, this functionality leads to a complex structure of the adjustment device and to a restriction in the freedom of design for the provision of functional components relevant to the adjustment device.
Method used
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Embodiment Construction
[0022] exist figure 1The friction clutch 10 shown in has a pressure plate 14 which can be moved axially by means of an actuating element in the form of a disc spring 12, which can be moved towards a counter pressure plate 16 by means of a disc spring 12 in order to be pressed against A clutch plate 20 provided with a friction lining 18 between the pressure plate 14 and the counter pressure plate 16 engages the friction clutch 10 . In order that the actuating displacement of the pressure plate 14 is not unnecessarily increased by the worn friction lining 18 of the clutch disk 20 when the friction clutch 10 is engaged, the pressure plate 14 can be adjusted by means of an adjusting device 22 in such a way that The displacement corresponding to the wear of the friction lining 18 is compensated by a rotation of the ramp ring 24 in the circumferential direction on a corresponding ramp 26 formed by the clutch disk 14 . As a result, the distance of the pressure plate 14 from the clut...
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The invention relates to an adjusting device for a friction clutch of a motor vehicle, having a clutch cover for at least partly covering a pressure plate for pressing a clutch disk between the pressure plate and a counter plate and having a pinion that is connected to a spindle in order to rotate the spindle. A spindle nut is screwed onto the spindle in order to relatively rotate a ramp ring in a circumferential direction with respect to a counter ramp that slides down on the ramp ring in order to adjust an incorrect spacing between the pressure plate and the counter plate, said spacing being caused by wear. Furthermore, a pawl plate that is supported on the clutch cover is provided with a driving pawl that engages into the pinion in order to rotate the pinion. The adjusting device further has a spacer bolt that is connected to the pawl plate in order to reduce a spring tension between the driving pawl and the pinion by at least partly raising the pawl plate from the clutch cover in the case of a component that strikes against the spacer bolt. According to the invention, the spindle nut can be coupled to the ramp ring via a spacer, said spacer having a limiting stop for striking against the spacer bolt. Thus, it is not necessary for an actuating element to strike the spacer bolt, and therefore the design of the adjusting device can be simplified and structural freedoms are allowed in the positioning of functional parts of the adjusting device.
Description
technical field [0001] The invention relates to an adjusting device for a friction clutch of a motor vehicle, by means of which a wear-dependent tolerance distance of a pressure plate to a counter pressure plate of the friction clutch can be adjusted. Background technique [0002] The friction clutch can be provided with a force-controlled adjustment device in order to compensate for the wear of the friction lining that occurs. Here, an unfavorable development of the contact force of an actuating system for moving the pressure plate, which acts on the counter pressure plate of the friction clutch, for example a disk spring, due to wear, is taken into account and adjusted as a function of the contact force. Alternatively, the error distance between the clutch housing and the actuating system that occurs when the friction lining of the clutch disk is worn can be determined and corrected based on this error distance. For correction, a compensation mechanism, such as a ramp sys...
Claims
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IPC IPC(8): F16D13/75
CPCF16D13/757
Inventor G·阿纳特S·哈恩
Owner SCHAEFFLER TECH AG & CO KG