Support bracket, its manufacturing method, and electric power steering apparatus using the same

A manufacturing method and technology for supporting brackets, which are applied to electric steering mechanisms, power steering mechanisms, steering control mounted on vehicles, etc., can solve problems such as unrealized supporting brackets, achieve high strength and rigidity, ensure yield, The effect of manufacturing cost suppression

Active Publication Date: 2015-08-19
NSK LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, a support bracket made of sheet metal capable of meeting such a structure has not been realized so far.

Method used

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  • Support bracket, its manufacturing method, and electric power steering apparatus using the same
  • Support bracket, its manufacturing method, and electric power steering apparatus using the same
  • Support bracket, its manufacturing method, and electric power steering apparatus using the same

Examples

Experimental program
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Embodiment Construction

[0043] Figure 1 to Figure 13 An example of embodiment of the present invention is shown. Including this example, the present invention is characterized in that it is used to support the steering column 6a on the vehicle body 11 together with the housing 9a for supporting the components of the electric power steering device (see Figure 14 ) structure of the support bracket 14a and its manufacturing method. The basic configuration of other electric power steering devices is the same as that of conventional devices.

[0044] The support bracket 14a is integrally formed into a left-right asymmetrical shape by performing punching and bending by punching a metal plate that can ensure sufficient strength and rigidity, such as a steel plate or a stainless steel plate. The thickness of the metal plate is appropriately selected by comprehensively judging the strength, rigidity, and workability of the material used, and is, for example, about 2.0 mm to 4.0 mm when using a stainless st...

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PUM

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Abstract

A support bracket structure is realized, in which the support bracket is made using a metal plate and sufficient strength and rigidity thereof can be maintained, and the production costs thereof can be kept sufficiently low by improving the yield of material. A support bracket 14a for supporting the front end section of a steering column 6a by way of a housing 9a of an electric power-steering apparatus is manufactured by using a press to punch out and bend a metal plate. By devising the dimensions and bending direction of each part, the yield of material is improved, while at the same time the height dimensions of the first side plate section 19 and the second side plate section 20 required for maintaining the support rigidity under a heavy load is maintained.

Description

technical field [0001] The present invention relates to an electric power steering device, and more particularly, to a support bracket for supporting a steering column with respect to a vehicle body constituting the electric power steering device. Background technique [0002] As a steering device for imparting a steering angle to steered wheels (usually front wheels) of an automobile, an electric power steering device that uses an electric motor as a drive source to reduce steering force is widely used. Figure 14 An example of a conventional electric power steering device described in JP-A-2011-131682 and the like is shown. In this configuration, the rotation of the steering wheel 1 is transmitted to the input shaft 3 of the steering gear unit 2 , and the pair of right and left tie rods 4 are pushed and pulled along with the rotation of the input shaft 3 to impart a steering angle to the steered wheels. The steering wheel 1 is supported and fixed to the rear end portion of...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B62D1/18B21D53/88
CPCB21D53/88B62D1/16B21D35/001B21D22/02B62D1/18B62D5/04B62D5/0403
Inventor 菊田知行
Owner NSK LTD
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