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Parking lock for transmissions with parking lock wheels

A technology for parking locks and transmissions, which is applied to components with teeth, belts/chains/gears, transmission control, etc. It can solve the problems of multi-structure space, bulkiness, and cost, and achieve the effect of simple assembly and quality saving

Active Publication Date: 2022-05-24
SCHAEFFLER TECH AG & CO KG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The guidance of the carriage or of the element actuating the locking pawl is cumbersome, expensive and requires a relatively large amount of installation space

Method used

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  • Parking lock for transmissions with parking lock wheels
  • Parking lock for transmissions with parking lock wheels
  • Parking lock for transmissions with parking lock wheels

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0026] figure 1 , 2 and 3 show a parking lock 1 according to the invention for a transmission of a motor vehicle (not shown in detail). From the transmission, figure 1 Only the parking lock wheel 2 is shown, wherein the locking pawl 3 of the parking lock 1 is now shown engaged on the parking lock wheel 2 . Thus, the locking pawl 3 is shown in the detent position, wherein the locking pawl 3 engages by means of the detent teeth 29 in tooth grooves on the parking lock wheel 2 . The parking lock 1 - as presently shown - is preassembled as a unit and comprises: a locking pawl 3, which is pivotally received on a bolt 5 about a rotation axis 4; a carriage 9, which can be moved by - not shown here - the actuator is actuated and can be moved relative to the locking pawl 3 in the longitudinal direction of the locking pawl 3; and the guide rod 7 and the spring element 8, said guide rod and spring element It is accommodated between the carriage 9 and the guide element 6 .

[0027]The...

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PUM

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Abstract

The invention relates to a parking lock (1) for a transmission of a motor vehicle with a parking lock wheel (2), comprising a locking pawl (3) designed for Cooperates with the toothing of the parking lock wheel (2) to lock the rotation of the parking lock wheel (2) in the locked position and to release the rotation of the parking lock wheel (2) in the unlocked position , wherein the locking pawl (3) is actuated via a carriage (9) and is pivotably accommodated on a bolt (5) about an axis of rotation (4) on which a guide rod (7) is arranged And the spring element (8), and wherein the carriage (9) is effectively connected with the locking pawl (3) and can move axially along the longitudinal direction of the guide rod (7) to manipulate the locking pawl (3), wherein the guide The element (6) is configured to guide the guide rod (7) and accommodate the spring element (8), wherein the guide element (6) has a housing (10) with a bottom (11), wherein the bottom (11) has a The through-recess (12) of the guide rod (7) is guided, and wherein the spring element (8) bears against the base (11) by means of the first end section.

Description

technical field [0001] The invention relates to a parking lock for a transmission of a motor vehicle, the transmission having a parking lock wheel. Background technique [0002] The parking lock is designed to engage with the aid of a locking pawl into a toothing of a parking lock wheel of a motor vehicle transmission when actuated by the driver of the motor vehicle, in order to prevent the transmission by said engagement of the locking pawl The output shaft that is effectively connected with the parking lock wheel rotates, thereby preventing the motor vehicle from rolling away. [0003] For example, DE 101 44 063 A1 discloses a parking lock for an automatic transmission of a motor vehicle, which has a locking ring arranged on the transmission shaft and in the locked state of the device, in the A pivotably supported pawl engaged in the locking recess. In addition, the parking lock has a likewise pivotably mounted selector lever, which acts on a connecting rod which accommo...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16H63/34
CPCF16H63/3425
Inventor 克劳斯·克拉默马蒂亚斯·费尔巴哈马库斯·罗斯特克里斯托夫·蒂劳夫托比亚斯·休曼
Owner SCHAEFFLER TECH AG & CO KG
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