Steering gear rack support bushing structure

A steering gear and rack technology, used in steering gears, steering mechanisms, mechanical steering gears, etc., can solve the problems of high mechanical noise of steering gears, and achieve the effects of solving mechanical impact noise, reducing contact area, and preventing friction noise.

Active Publication Date: 2016-12-07
CHERY AUTOMOBILE CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The invention designs a steering gear rack support bushing structure, which solves the problem of high mechanical noise of the steering system steering gear in the prior art

Method used

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  • Steering gear rack support bushing structure
  • Steering gear rack support bushing structure
  • Steering gear rack support bushing structure

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Embodiment Construction

[0024] Below in conjunction with accompanying drawing, the present invention will be further described:

[0025] Figure 1 to Figure 4 Shown is a steering gear rack supporting bushing structure, including a steering gear rack supporting bushing assembly 3, the steering gear rack supporting bushing assembly 3 includes a steering gear rack supporting bushing body and a The rack supports the rubber ring 32 on the outer cylindrical surface of the bushing body. One end of the steering gear rack support bushing body is provided with a radial clamping boss 34, such as figure 2 shown. Such as image 3 As shown, four grease storage tanks 31 are also processed on the end face of the steering gear rack support bushing body, and the grease storage tanks 31 communicate with the lubricating oil grooves 33 on the inner wall of the steering gear rack support bushing body. The longitudinal centerline of the grease storage tank 31 is arranged obliquely relative to the radial direction of t...

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PUM

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Abstract

The invention relates to a steering gear rack support bushing structure, comprising a steering gear rack support bushing body and a rubber ring (32) arranged at the outer cylindrical surface of the steering gear rack support bushing body, and being characterized in that a grease storage tank (31) which communicates with a lubrication oil groove (33) in the inner wall of the steering gear rack support bushing body is formed in one end of the steering gear rack support bushing body; and the longitudinal center line of the grease storage tank (31) is not intersected with the central axis of the steering gear rack support bushing body. The rubber ring (32) is of a tubular structure having two big ends and a small middle part. According to the invention, the structure of the grease storage tank and the structure of the rubber ring of a steering gear rack support bushing are optimized, the friction coefficient between a steering gear rack and the steering gear rack support bushing is improved, and the noise between the steering gear rack support bushing and a steering gear shell is reduced.

Description

technical field [0001] The invention belongs to the technical field of automobile steering systems, and in particular relates to a steering rack support bushing structure. Background technique [0002] With the rapid development of the domestic automobile industry and the maturity of domestic automobile consumers, consumers have increasingly stringent requirements for vehicle comfort, and they are also paying more and more attention to vehicle NVH. [0003] As the steering system is the most closely related system to the vehicle driver, the NVH of the steering system has become more important, especially the electric steering system is becoming more and more popular, and consumers have more and more complaints about the mechanical noise of the steering system, which requires the whole Automakers have increasingly strict requirements on the design and structure of steering system components. Only in this way can they meet the needs of consumers and enhance the brand reputatio...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B62D3/12
CPCB62D3/126F16H55/28F16H2055/281
Inventor 刘慧建任卫东李朋龙
Owner CHERY AUTOMOBILE CO LTD
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