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Electromechanical parking lock actuator

A technology for parking locks, actuators, used in mechanical equipment, transmission control, elements with teeth, etc.

Pending Publication Date: 2021-04-23
FTE汽车有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] The present invention solves the problem of proposing the simplest possible design of an electromechanical parking lock actuator of the type mentioned at the outset, providing the option of manual emergency unlocking for actuating a parking lock in a motor vehicle

Method used

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  • Electromechanical parking lock actuator
  • Electromechanical parking lock actuator
  • Electromechanical parking lock actuator

Examples

Experimental program
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Embodiment Construction

[0034] figure 1 An electromechanical parking lock actuator 10 is shown, which is provided for actuating a parking lock 12 arranged in a motor vehicle. The parking lock 12 comprises, in a manner known per se, a parking gear 14 which is non-rotatably and axially fixed mounted on a gear shaft (not shown) of the motor vehicle transmission and which has a toothing 16 on its outer peripheral side. In order to lock the drive train of the motor vehicle in an interlocking manner, the parking lock 12 also includes a locking pawl 18 which is hinged on the transmission housing (not shown here) so as to be pivotable about a pivot axis 20 and A locking tooth 22 is included which is engageable in an interlocking manner with the toothing 16 of the parking gear 14 when the locking pawl 18 is pivoted about the pivot axis 20 . A return spring (not shown here) which is supported relative to or suspended from the transmission housing acts on the pawl 18 and prestresses the pawl 18 from the parkin...

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PUM

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Abstract

The invention relates to an electromechanical parking lock actuator for actuating a parking lock in a motor vehicle, the actuator comprising: an electric motor; a rotatable or pivotably mounted actuator shaft for directly or indirectly driving an actuating element acting on a pawl of the parking lock; a gear mechanism, wherein the actuator shaft is operably connected to the output shaft of the electric motor through the gear mechanism, the gear mechanism comprises two gear elements located in an operable connection chain between the output shaft of the electric motor and the actuator shaft, the first gear element is mounted to be movable between two positions, the first gear element is at least temporarily movable from a normal position, in which it is directly operably connected to the second gear element, to an emergency unlocking position, in which it is moved away from the second gear element at least sufficiently far to disconnect the operative connection.

Description

technical field [0001] The invention relates to an electromechanical parking lock actuator according to the preamble of claim 1 . This type of parking lock actuator is used to actuate a parking lock arranged in a motor vehicle which in turn is arranged to prevent the motor vehicle from slipping away accidentally when said lock is in the locked position. In particular, the invention relates to electromechanical parking lock actuators of the type used eg in electric motor vehicles or in motor vehicles comprising hybrid transmissions, comprising automated transmissions or comprising automatic transmissions in the automotive industry. Background technique [0002] A parking lock is required especially when the restraining action of the stationary drive (motor) is not sufficient to hold the motor vehicle in place or cannot be used eg due to a normally open coupling element. The drive train is then usually locked by means of a park gear mounted non-rotatably on the output shaft o...

Claims

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Application Information

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IPC IPC(8): F16H63/34F16H63/30
CPCF16H63/34F16H63/30F16H63/3466F16H63/3491F16H63/3425F16H2063/3066
Inventor D.卢茨
Owner FTE汽车有限责任公司
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