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Bearing device for armature shaft of transmission drive unit and transmission drive unit

A technology of drive unit and bearing device, applied in the direction of bearing element, electromechanical device, shaft and bearing, etc., can solve problems such as consumption

Active Publication Date: 2014-07-09
ROBERT BOSCH GMBH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The provision of additional components (securing rings or clamping rings) for securing the bearing body axially in the receptacle represents an additional effort, especially with regard to assembly.

Method used

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  • Bearing device for armature shaft of transmission drive unit and transmission drive unit
  • Bearing device for armature shaft of transmission drive unit and transmission drive unit
  • Bearing device for armature shaft of transmission drive unit and transmission drive unit

Examples

Experimental program
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Embodiment Construction

[0020] exist figure 1 A motor housing 1 is shown as a component of a transmission drive unit 100, except for the motor housing, the rest of the electric motor is not shown in the figure, the electric motor is used as a window lift drive, Seat adjustment drives and the like are used in a motor vehicle. The motor housing 1 is connected end-face to a transmission housing (not shown), in which a transmission is arranged, the driven element of which is usually designed as a driven shaft for at least indirect Adjust a component (seat, window, etc.) Arranged within the motor housing 1 are the components of the electric motor, which can be electrically connected, in particular via a plug connection 2 arranged on the motor housing 1 , to a cable harness of the motor vehicle. .

[0021] An armature shaft 5 protrudes from the end face of the motor housing 1 facing the transmission housing, which armature shaft has a drive worm 6 over part of its length, which has a helical toothing 7...

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Abstract

The present invention relates to a bearing device for an armature shaft (5) of a transmission drive unit (100), having a containing part (18) for a bearing body (15) arranged in a region of a brush carrier (10), wherein the bearing body is used for supporting the armature shaft (5), the bearing body (15) is fittingly leaned on a leaning surface (19) of the containing part (18) along an axial shape. According to the present invention, the bearing body (15) is fixedly contained in the containing part (18) through a clamping closing connection which comprises a clamping geometric construction (25; 25a-25c) constructed in the region of the containing part (18) on the brush carrier (10), wherein the clamping geometric construction is configured for leading the bearing body (15) into the containing part (18) in a radially and elastically extending way, the clamping geometric construction surrounds and embeds the bearing body in an end portion of an axis in the containing part (18) of the bearing body (15), and performs force loading axially in the direction of the leaning surface (19).

Description

technical field [0001] The invention relates to a bearing arrangement for an armature shaft of a transmission drive unit according to the preamble of claim 1 . Furthermore, the invention relates to a transmission drive unit using a bearing arrangement according to the invention. Background technique [0002] A bearing arrangement according to the preamble of claim 1 is known from practice in transmission drive units such as window lifters, seat adjustment drives, sunroof drives etc. in motor vehicles middle. Such transmission drive units or their armature shafts are usually supported in three bearing points, wherein the two bearing points are located with a relatively small axial distance on the two end faces of the drive motor which is designed as an electric motor, and when present In the event of transverse forces acting on a worm toothing of the armature shaft, a third bearing point supports the armature shaft in a region spaced from the drive motor. The known bearing...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16C35/00
CPCH02K5/148H02K7/081
Inventor L-D.安丁
Owner ROBERT BOSCH GMBH
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