Steering Transmission Mechanism and Steering System
A technology of steering transmission and steering system, applied in steering mechanism, electric steering mechanism, power steering mechanism, etc., can solve the problems of difficult and unfavorable integration of steering transmission mechanism.
Active Publication Date: 2022-02-08
ROBERT BOSCH GMBH
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Problems solved by technology
However, the relatively large steering gear can only be integrated into the motor vehicle with difficulty or at least disadvantageously
Method used
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Embodiment Construction
[0029] figure 1 The main components of the steering gear according to the invention are shown. The steering gear comprises a housing 1 , inside which a gear wheel 2 and a pinion 3 in the form of a helical pinion meshing with the gear wheel 2 are arranged in a rotatable manner. The pinion 3 and the (helical) pinion shaft 4 including the pinion 3 are integrally formed in the form of a worm.
[0030] The gear 2 is fixedly fixed on the output shaft 5 of the steering transmission mechanism (see figure 1 ). In the exemplary embodiment shown, this output shaft 5 has a toothing for a secure, rotationally fixed connection to the gearwheel 2 , which can be configured, for example, with at least one section as a toothed rack. The steering rod engages, whereby the rack performs a translational movement which can be converted in a known manner via a wheel steering lever (not shown) into steerable wheels (not shown) of the motor vehicle ) pivoting movement. However, the output shaft 5 ...
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The invention relates to a steering gear for a steering system of a motor vehicle, the steering gear having: - a housing (1); - a gear (2); - a pinion (3) meshing with said gear (2) ), and - a pinion shaft (4) comprising said pinion (3), - wherein said pinion shaft (4) is obtained in a fixed bearing (6) on one side of said pinion (3) bearing, the fixed bearing comprises a swivel bearing in which the pinion shaft (4) is accommodated and the swivel bearing is accommodated in a bearing sleeve (14), and wherein the fixed bearing (6 ) further comprises a pivot ring (15) with an outer ring (18) and an inner ring (16) which are pivotably connected to each other via one or more torsion tabs connection, wherein the inner ring (16) is connected to or integrated into the bearing sleeve (14) and the outer ring (18) is fixedly arranged on the in said housing (1), - and wherein said pinion shaft (4) is supported on the other side of said pinion (3) in a floating bearing (8), said floating bearing comprising a rotary bearing, The pinion shaft (4) is accommodated in the swivel bearing, wherein radial mobility inside the housing (1) is ensured for the swivel bearing, and wherein the fixed The bearing sleeve (14) of the bearing (6) and / or the outer bearing ring (11) of the rotary bearing of the fixed bearing (6) is connected to the rotary bearing of the non-locating bearing (8) via connecting elements (36) The outer bearing ring (11) is connected.
Description
technical field [0001] The invention relates to a steering gear for a steering system of a motor vehicle and to a corresponding steering system, in particular a power steering system, for a motor vehicle. Background technique [0002] Power steering systems are installed in most motor vehicles, which generate an auxiliary torque during steering and thereby reduce the steering torque to be exerted by the driver on the steering column. [0003] Known power steering systems are based on a steering gear that converts the drive power of a hydraulic or electric steering motor and transmits it, for example, to a steering column. Such a steering gear can be designed in the form of a hob gear and in particular as a helical gear or a worm gear. These power steering systems then comprise a gear which can be connected directly or indirectly to the steering column and a pinion which meshes with this gear and which is driven by the steering motor via a shaft. [0004] For such steering ...
Claims
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IPC IPC(8): B62D5/04F16H55/24
CPCB62D5/0409F16H55/24F16H2057/0213
Inventor J-U.哈弗马尔茨D.菲克泽尔
Owner ROBERT BOSCH GMBH