High-temperature-resistant knuckle bushing

By designing a multi-layer structure in the knuckle bushing, including low-carbon steel high-temperature resistance layer, metal titanium corrosion resistance layer, nickel-chromium alloy outer wear-resistant coating and tungsten carbide inner wear-resistant coating, the existing knuckle bushing high-temperature resistance and wear resistance problems are solved, and the service life and stability are significantly improved.

CN222687121UActive Publication Date: 2025-03-28ANHUI WENZHUO AUTO PARTS CO LTD
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Patent Information

Application Number
CN202421689800.4
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-17
Publication Date
2025-03-28
Estimated Expiration
2034-07-17

AI Technical Summary

Technical Problem

The existing steering knuckle bushings have poor high temperature resistance and are not resistant to wear, which affects their service life.

Method used

A knuckle bushing is designed including a bushing shell, a high temperature resistant layer, a corrosion resistant layer, an outer wear-resistant coating and an inner wear-resistant coating. The high-temperature resistant layer is made of low-carbon steel, the corrosion resistant layer is made of metal titanium, the outer wear-resistant coating is nickel-chromium alloy, and the inner wear-resistant coating is tungsten carbide. The tight fit design of these layers improves the bushing's high temperature, corrosion and wear resistance.

Benefits of technology

Through this design, the high temperature resistance of the steering knuckle bushing is significantly improved and its service life is extended; the corrosion resistance is enhanced to prevent corrosion due to lubricating oil immersion; the wear resistance is improved, and the stability and use effect are improved.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a high-temperature-resistant knuckle bushing, which relates to the field of knuckle bushings and comprises a bushing shell, a high-temperature-resistant layer is fixedly connected to the outer wall of the bushing shell, a corrosion-resistant layer is fixedly connected to the outer wall of the high-temperature-resistant layer, and the high-temperature-resistant layer is fixedly connected to the outer wall of the bushing shell. The high-temperature-resistant layer is fixedly connected to the outer wall of the steering knuckle bushing, the high-temperature-resistant layer is made of low-carbon steel, the high-temperature-resistant performance of the steering knuckle bushing can be improved, and therefore the service life of the steering knuckle bushing is prolonged, the corrosion-resistant layer is fixedly connected to the outer wall of the high-temperature-resistant layer, the corrosion-resistant layer is made of metal titanium, and the corrosion-resistant performance of the steering knuckle bushing can be improved; according to the steering knuckle lining, the corrosion-resistant layer is fixedly connected to the outer wall of the lining shell, the steering knuckle lining is prevented from being corroded due to soaking of lubricating oil, the outer wear-resistant coating is fixedly connected to the outer wall of the corrosion-resistant layer and made of nichrome, the inner wear-resistant coating is fixedly connected to the inner wall of the lining shell and made of tungsten carbide, and the wear-resistant performance of the steering knuckle lining can be improved.
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Description

Technical Field

[0001] The utility model relates to the field of steering knuckle bushings, in particular to a high-temperature resistant steering knuckle bushing. Background Art

[0002] The steering knuckle is one of the important parts in the steering axle of an automobile. It can make the automobile run stably and sensitively transmit the driving direction. The function of the steering knuckle is to transmit and bear the load on the front of the automobile, support and drive the front wheels to rotate around the kingpin to steer the automobile. The steering knuckle bushing is a matching part used in the steering knuckle to achieve the functions of sealing and wear protection. The current steering knuckle bushing has poor high temperature resistance, which affects the service life of the bushing. Therefore, a high temperature resistant steering knuckle bushing is needed.

[0003] The existing steering knuckle bushing has poor high temperature resistance and insufficient wear resistance when in use, and therefore a high temperature resistant steering knuckle bushing is urgently needed. Utility Model Content

[0004] Based on this, the purpose of the utility model is to provide a high temperature resistant steering knuckle bushing to solve the problems of poor high temperature resistance and insufficient wear resistance of the existing steering knuckle bushing.

[0005] To achieve the above objectives, the utility model provides the following technical solutions: a high temperature resistant steering knuckle bushing, comprising a bushing shell, the outer wall of which is fixedly connected with a high temperature resistant layer, and the outer wall of which is fixedly connected with a corrosion resistant layer.

[0006] The outer wall of the corrosion-resistant layer is fixedly connected with an outer wear-resistant coating, and the inner wall of the bushing shell is fixedly connected with an inner wear-resistant coating.

[0007] Preferably, the material of the high temperature resistant layer is low carbon steel, and the material of the corrosion resistant layer is metallic titanium.

[0008] Preferably, the bushing shell and the high temperature resistant layer are tightly fitted, and the high temperature resistant layer and the corrosion resistant layer are tightly fitted.

[0009] Preferably, the material of the outer wear-resistant coating is nickel-chromium alloy, and the material of the inner wear-resistant coating is tungsten carbide.

[0010] Preferably, the corrosion-resistant layer is tightly fitted to the outer wear-resistant coating, and the bushing shell is tightly fitted to the inner wear-resistant coating.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] 1. The utility model provides a bushing shell, a high temperature resistant layer and a corrosion resistant layer. The high temperature resistant layer is fixedly connected to the outer wall of the bushing shell, and the material of the high temperature resistant layer is low carbon steel, which can improve the high temperature resistance of the steering knuckle bushing, thereby improving the service life of the steering knuckle bushing. The corrosion resistant layer is fixedly connected to the outer wall of the high temperature resistant layer, and the material of the corrosion resistant layer is metal titanium, which can improve the corrosion resistance of the steering knuckle bushing and prevent the steering knuckle bushing from being corroded due to immersion in lubricating oil.

[0013] 2. The utility model provides a bushing shell, a corrosion-resistant layer, an outer wear-resistant coating and an inner wear-resistant coating. The outer wall of the corrosion-resistant layer is fixedly connected with the outer wear-resistant coating, and the material of the outer wear-resistant coating is a nickel-chromium alloy. The inner wall of the bushing shell is fixedly connected with the inner wear-resistant coating, and the material of the inner wear-resistant coating is tungsten carbide, which can improve the wear resistance of the steering knuckle bushing. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0015] Figure 2 This is a three-dimensional diagram of the bushing housing of the utility model;

[0016] Figure 3 This is a three-dimensional cross-sectional view of the bushing housing of the utility model;

[0017] Figure 4 It is a three-dimensional cross-sectional view of the high temperature resistant layer of the utility model.

[0018] In the figure: 1. Bushing shell; 2. High temperature resistant layer; 3. Corrosion resistant layer; 4. External wear-resistant coating; 5. Internal wear-resistant coating. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. The embodiments described below with reference to the drawings are exemplary and are only used to explain the utility model, and cannot be understood as limiting the utility model.

[0020] The following describes an embodiment of the utility model based on its overall structure.

[0021] See also Figure 1-4 A high-temperature resistant steering knuckle bushing includes a bushing shell 1, a high-temperature resistant layer 2 is fixedly connected to the outer wall of the bushing shell 1, a corrosion-resistant layer 3 is fixedly connected to the outer wall of the high-temperature resistant layer 2, the high-temperature resistant layer 2 is made of low-carbon steel, and the corrosion-resistant layer 3 is made of metal titanium. The bushing shell 1 and the high-temperature resistant layer 2 are tightly fitted, and the high-temperature resistant layer 2 and the corrosion-resistant layer 3 are tightly fitted, which can improve the high-temperature resistance of the steering knuckle bushing.

[0022] See also Figure 1-4 A high-temperature resistant steering knuckle bushing, the outer wall of the corrosion-resistant layer 3 is fixedly connected with an outer wear-resistant coating 4, the inner wall of the bushing shell 1 is fixedly connected with an inner wear-resistant coating 5, the material of the outer wear-resistant coating 4 is a nickel-chromium alloy, and the material of the inner wear-resistant coating 5 is tungsten carbide, the corrosion-resistant layer 3 and the outer wear-resistant coating 4 are tightly fitted, and the bushing shell 1 and the inner wear-resistant coating 5 are tightly fitted, which can improve the wear resistance of the steering knuckle bushing.

[0023] Working principle: When in use, a high-temperature resistant layer 2 is fixedly connected to the outer wall of the bushing shell 1, and the material of the high-temperature resistant layer 2 is low-carbon steel, which can improve the high-temperature resistance of the steering knuckle bushing, thereby improving the service life of the steering knuckle bushing; a corrosion-resistant layer 3 is fixedly connected to the outer wall of the high-temperature resistant layer 2, and the material of the corrosion-resistant layer 3 is metal titanium, thereby improving the corrosion resistance of the steering knuckle bushing and preventing the steering knuckle bushing from being corroded due to immersion in lubricating oil; an outer wear-resistant coating 4 is fixedly connected to the outer wall of the corrosion-resistant layer 3, and the material of the outer wear-resistant coating 4 is nickel-chromium alloy; an inner wear-resistant coating 5 is fixedly connected to the inner wall of the bushing shell 1, and the material of the inner wear-resistant coating 5 is tungsten carbide, which can improve the wear resistance of the steering knuckle bushing, thereby facilitating the installation and stability of the automobile steering knuckle. In this way, the use process of the device is completed. The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0024] The directions or positional relationships indicated by terms such as "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" are based on the directions or positional relationships shown in the accompanying drawings. They are merely simplified descriptions for the convenience of describing the present invention, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction. Therefore, they cannot be understood as limitations on the protection content of the present invention.

[0025] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A high temperature resistant steering knuckle bushing, comprising a bushing shell (1), characterized in that: The outer wall of the bushing shell (1) is fixedly connected with a high temperature resistant layer (2), and the outer wall of the high temperature resistant layer (2) is fixedly connected with a corrosion resistant layer (3); The outer wall of the corrosion-resistant layer (3) is fixedly connected to an outer wear-resistant coating (4), and the inner wall of the bushing shell (1) is fixedly connected to an inner wear-resistant coating (5).

2. A high temperature resistant steering knuckle bushing according to claim 1, characterized in that: The material of the high temperature resistant layer (2) is low carbon steel, and the material of the corrosion resistant layer (3) is metallic titanium.

3. The high temperature resistant steering knuckle bushing according to claim 1, characterized in that: The bushing shell (1) and the high temperature resistant layer (2) are tightly fitted, and the high temperature resistant layer (2) and the corrosion resistant layer (3) are tightly fitted.

4. The high temperature resistant steering knuckle bushing according to claim 1, characterized in that: The material of the outer wear-resistant coating (4) is nickel-chromium alloy, and the material of the inner wear-resistant coating (5) is tungsten carbide.

5. The high temperature resistant steering knuckle bushing according to claim 1, characterized in that: The corrosion-resistant layer (3) and the outer wear-resistant coating (4) are tightly fitted, and the bushing outer shell (1) and the inner wear-resistant coating (5) are tightly fitted.