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shift unit

A shift shaft and shift lever technology, which is applied to elements with teeth, belts/chains/gears, mechanical equipment, etc., can solve problems such as high cantilever, and achieve the effects of reducing friction, simple structure, and lowering manufacturing costs.

Inactive Publication Date: 2016-04-13
SCHAEFFLER TECH AG & CO KG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The disadvantage of this shifting unit is that the bearing housing requires a very high cantilever in order to connect the selector lever

Method used

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Examples

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Embodiment Construction

[0028] Figures 1a to 1d A shifting unit 1 is shown as a shifting bell, which has a shifting shaft 2 that is axially displaceable and circumferentially rotatable with respect to a bearing housing 3 . On the shifting shaft 2, a plurality of shifting elements in the form of detent contours 15 and shifting fingers 16 are fixedly arranged on a sleeve 17, so that a pivoting or displacement of the shifting shaft 2 causes the shifting elements 15, 16, 17 corresponding pivoting or movement. The selector shaft 2 is axially displaceable by means of a selector lever 5 actuatable in the circumferential direction of the selector shaft 2 and can be rotated in the circumferential direction by means of a selector lever 6 fixedly connected to the selector shaft 2 .

[0029] In the assembled state, the bearing housing 3 made of aluminum is screwed or otherwise fixed to the transmission housing (not shown). The bearing housing 3 is designed as an essentially L-shaped component in cross section...

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Abstract

The invention relates to a shift unit (1) of a motor vehicle gearbox, comprising a shifting shaft (2) for transferring selection and shifting movements, a bearing housing (3) via which the shift unit (1) can be permanently connected to a gearbox housing and opposite which the shifting shaft (2) is mounted, a selection lever (5) via which the shifting shaft (2), or a component which is connected to the shifting shaft (2) in a rotationally fixed manner, can be moved axially with respect to the bearing housing (3), a shifting lever (6) via which the shifting shaft (2) can be rotated around the axial axis thereof relative to the bearing housing (3), wherein the selection lever (5) is mounted on the shifting shaft (2) and a selection lever (5) for such a shift unit (1) is designed as a spatially shaped sheet metal part which comprises a radial section (10) for initiating the selection movement and an axial arm (11) angled at a right-angle thereto having the rolling element (9) or the ramp (7). According to another embodiment, the movements of the shifting lever (6) and of the selection lever (5) occur in two planes which are parallel to each other.

Description

technical field [0001] The invention relates to a shift unit of a transmission gearbox of a motor vehicle, which has a shift shaft, which is used to transmit gear selection motion and shift motion; a bearing shell, through which the shift unit can connect with the transmission shell The body is fixedly connected, and the shift shaft is supported relative to the bearing housing; the selector lever, through which the shift shaft or a component connected to the shift shaft without relative rotation (drehfest) can be axially relative to the bearing housing movement; and a shift lever by which the shift shaft can be twisted about its axial axis relative to the bearing housing. Background technique [0002] Such shifting units are also referred to as shifting bells. In this case, the selector shaft is movable axially and circumferentially relative to the selector housing, which is fixedly connected to the transmission housing in the mounted state. Selector levers and selector le...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16H63/20
CPCF16H61/26F16H63/20F16H2063/3076
Inventor 乌韦·施瓦茨斯特凡·格罗特瓦尔德马·迈尔
Owner SCHAEFFLER TECH AG & CO KG