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Support limit device of gear and rack mechanical steering device

A technology of mechanical steering gear and limit device, applied in the direction of mechanical steering gear, etc., can solve problems such as quality problems and process instability, and achieve the effects of reducing friction, process stability, and reducing noise

Inactive Publication Date: 2018-06-01
WUHU HENGLONG AUTO STEERING SYST
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This kind of simple support and limit device, the process is unstable during assembly, and it is easy to cause quality problems

Method used

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  • Support limit device of gear and rack mechanical steering device
  • Support limit device of gear and rack mechanical steering device
  • Support limit device of gear and rack mechanical steering device

Examples

Experimental program
Comparison scheme
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Embodiment Construction

[0015] The specific implementation manner of the present invention will be described in further detail below by describing the best embodiment with reference to the accompanying drawings.

[0016] Such as figure 1 As shown, the support limit device of this kind of rack and pinion mechanical steering gear, the steering gear includes a housing 4 and a rack 5, and the support limit mechanism includes a bushing 1 and a bushing arranged between the rack 5 and the housing 4. Set retaining ring 2, one end of bush retaining ring 2 is sleeved on bushing 1, the other end of bush retaining ring 2 is sleeved on buffer retaining ring 3, and buffer retaining ring 3 is sleeved on rack 5. The bushing retaining ring 2 fixes the bushing 1 and the buffer retaining ring 3. After the three are assembled, they can support the rack 5, reduce friction, prevent the steering gear from being stuck, limit the position of the tie rod, and reduce noise. The processing technology and The assembly method is...

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PUM

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Abstract

The invention discloses a support limit device of a gear and rack mechanical steering device, wherein the steering device includes a shell body and a rack. The support limit device includes a bush arranged between the rack and the shell body and a bush retaining ring, one end of the bush retaining ring is installed in the bush in sleeve, the other end of the bush retaining ring is installed in a buffer retaining ring in sleeve, and the buffer retaining ring is installed in the rack in sleeve. An inner wall of the bush is arranged in an oil reservoir, and the inner wall of the bush is in interference fit with an outer wall of the rack. The inner wall of the bush retaining ring is provided with a sleeve arranged hollowly in the rack in sleeve, a first installation stair for installing the bush is arranged on one side of the inner wall of the bush retaining ring located in the sleeve, a second installation stair matched with the buffer retaining ring is arranged on the other side of theinner wall of the bush retaining ring located in the sleeve. A guidance cone is arranged on one side outer wall of the bush retaining ring provided with the first installation stair. The support limitdevice of the gear and rack mechanical steering device has the advantages of stable process, convenient installation, and reliable support.

Description

technical field [0001] The invention relates to an automobile steering gear, in particular to a support limiting device for a rack and pinion mechanical steering gear. Background technique [0002] In order to improve the service life of the rack and pinion mechanical steering gear and the steering system, when the rack and pinion steering gear is designed for the mechanical steering gear assembly, a support limit device is usually designed to reduce friction and support the rack. . Commonly used support and limit devices usually have only one bush embedded in the housing to achieve the purpose of supporting the rack. Such a simple supporting and limiting device is unstable in assembly process and easily leads to quality problems. Contents of the invention [0003] The object of the present invention is to overcome the deficiencies of the prior art and provide a support and limit device for a rack and pinion mechanical steering gear with stable process, convenient assemb...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B62D3/12
Inventor 张伟张绍平何杨
Owner WUHU HENGLONG AUTO STEERING SYST