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Electric auxiliary steering module

A steering module and electric assist technology, applied in electric steering mechanisms, electric components, electrical components, etc., can solve the problems of inability to quickly repair, high design cost, and long design time, so as to improve mechanical transmission efficiency and reduce development time. process, energy saving effect

Active Publication Date: 2011-05-04
AUTOMOTIVE RES & TESTING CENT
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  • Abstract
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  • Claims
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AI Technical Summary

Problems solved by technology

[0007] In order to solve the technical problems of the aforementioned existing steering assist mechanism, such as long design time, low mechanical efficiency, and inability to repair quickly, resulting in problems such as high design cost, inconvenient use, and inconvenient maintenance, the present invention combines the auxiliary steering motor, reducer and The torque sensor is designed as a modular structure that can be independently disassembled on the vehicle, so that the above-mentioned components can be replaced independently without affecting other mechanisms, so as to improve the convenience of maintenance, simplify the design and improve the mechanical efficiency to solve the shortcomings of conventional technologies.

Method used

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Embodiment Construction

[0063] Please refer to Figures 1 to 4 , which is a schematic diagram of a preferred embodiment of the electric power steering module of the present invention, which includes a speed reducer (14), a motor (12), a torque sensor (18) and a controller (20).

[0064] The speed reducer (14) includes a housing, a sun gear (121), a planetary gear set (142), a ring gear (144), a large helical gear (146) and a transmission gear shaft (16). The casing can be fixed on the body of an automobile, or fixedly combined with a steering gear (51) of the automobile, and the casing can include a base (111) and an upper cover (112) combined with the base (111) combined.

[0065] Please also refer to Figure 5A , 5B with Image 6 , the sun gear (121) is coaxially connected to the motor (12), and is driven by the motor (12) to rotate. The planetary gear set (142) includes a small helical gear (1422) and an interval and is movably inserted in the A plurality of planetary gears (1424) of the smal...

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Abstract

The invention relates to an electric auxiliary steering module comprising a speed reducer, a motor, a torque sensor and a controller, wherein the speed reducer comprises a shell, a sun gear, a planetary gear set, a ring gear, a large helical gear and a drive gear shaft; the planetary gear set comprises a small helical gear and a plurality of planetary gears which are alternately and movably inserted into the small helical gear, the ring gear is sleeved and meshed with the planetary gears, each planetary gear is meshed with the sun gear and is driven by the sun gear to rotate the small helical gear, the small helical gear is meshed with the large helical gear, the drive gear shaft is axially inserted into the large helical gear and is driven by the large helical gear to steer a meshed automotive steering machine in an auxiliary mode.

Description

technical field [0001] The invention relates to an electric auxiliary steering module, in particular to a modular electric auxiliary steering device with high mechanical efficiency used in automobiles. Background technique [0002] The general electric auxiliary steering mechanism uses the speed of the vehicle and the output torque of the driver as the basis for the output of the auxiliary motor to provide power assistance for the driver when steering. At present, the conventional electric power steering devices used to combine steering shafts or racks of motor vehicles such as automobiles need to be designed in a single way according to different vehicle models and characteristic requirements, so it takes a very long design time, not only poor timeliness, but also Design costs are very high. [0003] Such as Figure 9 As shown, it is an auxiliary steering mechanism (70) of an existing gear type (pinion type), which mainly transmits the auxiliary steering force of an auxili...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B62D5/04H02K7/116
Inventor 孙富贤陈俊杰
Owner AUTOMOTIVE RES & TESTING CENT
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