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parking lock

A parking lock and locking technology, applied in the direction of brakes, vehicle components, transmission control, etc., can solve the problems of increasing the danger of tilting, large structure space, etc., and achieve the effects of flexible layout, good guidance and low cost

Active Publication Date: 2017-04-12
SCHAEFFLER TECH AG & CO KG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Furthermore, if the actuating unit is formed by a mechanically displaceable actuating pin, only a small front side is available for introducing force, which increases the risk of tilting and thus the risk of incorrect activation of the parking lock
Furthermore, such a parking lock requires a relatively large installation space

Method used

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Examples

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Embodiment Construction

[0040] figure 1 and figure 2 Parking lock 1 is shown in the unlocked state and in the locked state. The parking lock 1 has, as main components, a rolling-mounted locking catch 3 , an actuating unit 5 and a parking lock housing 11 with a housing plate 7 . The parking lock is of compact design since the actuating unit 5 and the locking catch are aligned approximately parallel to one another. As shown in FIGS. 3 a to 3 c , the housing plate 7 is designed as a flat sheet-metal part with free punched holes 71 through which the housing plate 7 can be connected to the transmission housing by means of screws not shown. 85( Figure 9 ) are fixedly connected and form a cover for the transmission case 85. A part of the free punching hole 71 is used to fasten the actuator 2 in the form of an electric motor on the holding plate 7 . Further punched recesses 74 are provided for fastening the sensor 75 .

[0041]Almost all components of the parking lock 1 are arranged on the side 78 of...

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PUM

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Abstract

The invention relates to a parking lock (1) for a motor vehicle, having a pawl (3), which can be pivoted about a rotational axis (d) and which comprises a pawl tooth (31) for engaging into a locking toothing system (82), and an actuating unit (5), which can be mechanically coupled to the pawl (3) and via which the pawl tooth (31) can be brought into engagement against the locking toothing system (82) in a reversible manner. The actuating unit (5) can be moved in a translational manner over a functional surface (92) by an actuator (2), and the functional surface (92) is arranged on the actuating unit (5) lateral face (59) that is not an end face.

Description

technical field [0001] The invention relates to a parking lock for a motor vehicle, in particular for a vehicle with an automatic transmission or an electric drive. Background technique [0002] Parking locks are used in the transmission of motor vehicles to protect the vehicle from rolling accidentally. Especially when non-mechanical components are integrated into the drive train of the motor vehicle, such as a hydrodynamic torque converter in an automatic transmission, the parking lock locks the vehicle in position when the vehicle is stationary or the motor is switched off. For this purpose, the parking lock can be activated by the driver, or indirectly via an electrical assistance. The parking lock then normally locks the transmission output shaft in a form-locking manner. [0003] In the generic DE 1 043 829 A1, a parking lock in the form of a locking catch that can pivot against a restoring force is provided, which can be positively engaged by means of latch teeth on...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B60T1/00F16H63/34
CPCB60T1/005F16H63/3466F16H2063/3063
Inventor 阿克塞尔·费尔森格尔托马斯·斯米塔那菲利普·武尔茨贝格尔
Owner SCHAEFFLER TECH AG & CO KG
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