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Device for level adjustment for a motor vehicle

A technology of level adjustment and motor vehicle, applied in the direction of transmission, vehicle spring, mechanical equipment, etc., can solve the problems of expensive necessary components and complicated assembly, and achieve the effect of low assembly cost and component cost

Active Publication Date: 2018-03-16
SCHAEFFLER TECH AG & CO KG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The necessary components involved in such a leveling device are therefore relatively expensive and their assembly relatively cumbersome
In addition, there is the problem that since the leveling device is connected to the vehicle frame via thrust bushings and adapter sleeves without sound insulation, this design is disadvantageous, for example, in the event of noise generation

Method used

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  • Device for level adjustment for a motor vehicle
  • Device for level adjustment for a motor vehicle
  • Device for level adjustment for a motor vehicle

Examples

Experimental program
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Effect test

Embodiment Construction

[0028] figure 1 A device 1 for leveling a motor vehicle is shown, comprising a piston-cylinder unit 2 with a cylinder 3 and a piston 4 movable in the cylinder 3, the piston 4 being connected to the chassis via a vibration-damping bearing in a manner not shown in detail , while the cylinder 3 is connected on the wheel carrier side in a manner not shown in detail.

[0029] In addition, a spring 5 is provided which is elastically compressed and springs back in a known manner during operation, wherein this movement is damped by the piston-cylinder unit 2 which acts as a damping device. The bottom position of the spring 5 is supported on a disc element 6 which can be moved axially on its side by means of a ball screw drive, so that the spring bottom position for level adjustment can be raised or lowered. In addition to ball screw drives, different screw drives can also be used.

[0030] The ball screw drive 7 comprises a nut 8 which extends and moves axially on a threaded rod 9 g...

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PUM

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Abstract

The invention relates to a device for level adjustment for a motor vehicle, comprising a damping device having a piston-cylinder unit (2) and a screw drive (7), comprising a spindle (9) and a nut (8)mounted on same via rolling elements, to which a disc (6) carrying a spring (5) of the damping device is coupled, wherein the nut (8) can be moved axially along the spindle (9), wherein an adapter sleeve (12) introduced into the spindle (9) and axially supporting same is provided with a flange (13) that is directed radially inwards, and is axially supported on the cylinder (3) of the piston-cylinder unit (2) via the flange (13), wherein the adapter sleeve (12) and the cylinder (3) mounted on the wheel-carrier side are secured to one another against rotation, and wherein the adapter sleeve (12)is acoustically decoupled in relation to the cylinder (3) via at least one elastic element (15, 17).

Description

technical field [0001] The invention relates to a device for leveling a motor vehicle, comprising a vibration damping device with a piston-cylinder unit and a threaded drive device, the threaded drive device comprising a screw and a nut supported on the screw by rolling elements, the nut and the support damper The disc part of the spring of the vibration device is connected, wherein the nut can move along the screw rod. Background technique [0002] In today's motor vehicles, there is an increasing number of motor vehicles employing leveling devices that enable the chassis to be raised or lowered relative to the vehicle frame. Such a leveling device comprises a damping device with a piston-cylinder unit which is arranged between the wheel carrier and the chassis and is separated there by means of a damping bearing. The piston-cylinder unit includes a spring, the bottom position of which can be adjusted, for example by means of a ball screw drive, for leveling the motor vehi...

Claims

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Application Information

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IPC IPC(8): B60G11/52B60G15/06B60G17/02F16H25/20
CPCB60G11/52B60G15/061B60G17/021F16H25/20B60G2202/312B60G2202/42B60G2204/4192B60G2500/30B60G2600/44B60G15/062F16H25/2228
Inventor 本杰明·乌波利特-戈巴滕科丹尼尔·菲伯尔
Owner SCHAEFFLER TECH AG & CO KG
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