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Steering column having an electro-mechanical fixing device

A technology of steering column and fixed equipment, which is applied in the direction of mechanical equipment, fixed devices, steering mechanisms, etc., can solve the problems of high cost and large number of components, and achieve the effect of prolonging the closing time

Active Publication Date: 2018-03-16
THYSSENKRUPP PRESTA AG +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Here, the disadvantage is the high number of components and the associated costs

Method used

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  • Steering column having an electro-mechanical fixing device
  • Steering column having an electro-mechanical fixing device
  • Steering column having an electro-mechanical fixing device

Examples

Experimental program
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Embodiment Construction

[0041] figure 1 A steering column 1 is shown comprising a steering shaft 2 which is supported in a steering shaft bearing unit 4 by means of a bushing 5 so as to be rotatable about its axis of rotation 3 . The bushing 5 is guided displaceably along the longitudinal axis of the steering shaft 2 in a guide clip 6 . The guide clip 6 is supported pivotably about a pivot axis 7 in a bracket or holding part 8 (in general terms). The holding part 8 can be fastened to the bodywork (not shown) of the motor vehicle at fastening points 9 . The rotational movement introduced into the steering shaft 2 by the driver via a steering wheel (not shown) is introduced into a steering gear (not shown) via a universal joint 10 and other steering shaft components. To increase driver comfort, the steering column 1 can be adjusted in height in a first adjustment direction (also referred to as vertical direction 11 ) and in length in a second adjustment direction (also referred to as longitudinal dir...

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PUM

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Abstract

The invention relates to a steering column (1) for a motor vehicle, said column being adjustable at least in its longitudinal direction (12) and comprising an outer steering column (5) that rotatablybears a steering spindle (2), a retaining part (8) that can be connected to the body of the vehicle and has two side walls (19, 20), between which the outer steering column (5) is arranged, as well ascomprising an electro-mechanical fixing device (13), in the release position of which the outer steering column (5) can be adjusted in relation to the retaining part (8) at least in the longitudinaldirection (12) of the steering column (1), and in the fixing position of which the set position of the outer steering column (5) in relation to the retaining part (8) is secured, wherein the fixing device (13) comprises a clamping pin (15) that penetrates the side walls (19, 20) of the retaining part (8) and is rotated about its axis during the opening and closing of the fixing device (13) by means of an electric motor (18) arranged in a housing (26, 27), a cam mechanism (16) and a support bearing (17). The side walls (19, 20) of the retaining part (8), as well as the outer steering column (5)are arranged between the cam mechanism (16) and the support bearing (17) and the cam mechanism (16) has two cam discs (24, 25), a first cam disc (24) being rotationally fixed to the clamping pin (15)and a second cam disc (25) being guided in the housing (26, 27) in an axially movable manner on the clamping pin (15). The housing (26, 27) is mounted in a floating manner on the second cam disc (25).

Description

technical field [0001] The invention relates to an adjustable steering column of a motor vehicle having the features of the preamble of claim 1 . Background technique [0002] Adjustable steering columns are used to adapt the position of the steering wheel to the driver's seating position and are known in various embodiments. In many motor vehicles, the vertical slope of the steering column and / or the distance between the steering wheel and the driver can be adjusted. After adjusting the steering column, secure it in the desired position. For this purpose, a number of clamping mechanisms are known for steering columns of axially and / or vertically adjustable motor vehicles. Despite the use of a lever element, an electrically actuatable steering column mechanism is required due to the high force still required to lock the clamping mechanism. [0003] French published application FR 2 687 628 A1 discloses a clamping mechanism which can be activated by means of an electric ac...

Claims

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Application Information

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IPC IPC(8): B62D1/184
CPCB62D1/184F16H19/001F16B2200/93B62D1/187F16B1/00
Inventor 西蒙·布莱特勒尔珍-皮尔·施佩希特
Owner THYSSENKRUPP PRESTA AG
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