Anti-shock and anti-fracture automobile steering knuckle

By designing a shock-resistant and fracture-resistant vehicle steering joint that includes components such as oil storage boxes, pull buttons, connecting rods, and applying tungsten carbide and alumina coatings on the steering gear, the existing automobile steering joints are solved, and convenient lubrication and performance improvement are achieved.

CN222820128UActive Publication Date: 2025-05-02JIANGSU QICHENG MASCH MFG CO LTD
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Patent Information

Application Number
CN202421683264.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-16
Publication Date
2025-05-02
Estimated Expiration
2034-07-16

AI Technical Summary

Technical Problem

The existing automotive steering joints are inconvenient to inject lubricating oil into the joints of the steering joints and the automobile axle rods, and their wear resistance and shock resistance are poor.

Method used

A shock-resistant and fracture-resistant car steering knuckle is designed, including a steering gear, an oil storage box, a button, a connecting rod, an oil plug, a piston, an oil transfer tank and a through groove. Through the cooperation of these components, convenient lubricating oil injection is achieved, and tungsten carbide and alumina coatings are applied to the outer and inner walls of the steering gear respectively to improve shock resistance and wear resistance.

Benefits of technology

It achieves convenient lubrication at the joints and car axle joints, extends the service life of the steering gear, and improves its shock resistance and wear resistance.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses an anti-shock and anti-fracture automobile steering knuckle, which relates to the field of automobile steering knuckles and comprises a steering gear, an oil storage box is fixedly connected to the outer wall of the steering gear, a pull button is movably connected to the outer wall of the oil storage box, a connecting rod is fixedly connected to the bottom of the pull button, and an oil plug is fixedly connected to the bottom end of the connecting rod. A piston is installed on the outer wall of the oil storage box, an oil conveying groove is formed in the steering gear, a through groove is formed in the inner wall of the steering gear, lubricating oil is injected into the oil storage box by opening the piston, and when oil needs to be injected for lubrication, a pull button is pulled, so that an oil plug fixedly connected to the bottom end of a connecting rod can move, and blocking to the oil conveying groove is relieved; and when the pull button is released, the oil plug can be reset under the action of the spring, so that the effect of conveniently injecting the lubricating oil into the joint of the steering knuckle and the automobile shaft lever is achieved, the steering gear is prevented from being fractured due to friction, and the service life of the steering gear is prolonged.
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Description

Technical Field

[0001] The utility model relates to the field of automobile steering knuckles, in particular to a shock-resistant and fracture-resistant automobile steering knuckle. Background Art

[0002] The steering knuckle, also known as the "ram's horn", is one of the important parts in the automobile steering axle. It can make the car run stably and sensitively transmit the driving direction. The function of the steering knuckle is to transmit and bear the front load of the car, support and drive the front wheels to rotate around the kingpin to steer the car. When the car is in motion, it is subjected to variable impact loads, so it is required to have very high strength. At present, the automobile steering knuckle is often injected with lubricating oil through the oil filling hole to the connection between the steering knuckle and the automobile shaft to reduce friction and prevent the steering knuckle from breaking. However, each time the lubricating oil is added, specific tools and an appropriate amount of lubricating oil are required. The operation is cumbersome and inconvenient. Therefore, a shock-resistant and anti-fracture automobile steering knuckle is needed.

[0003] It is inconvenient to inject lubricating oil into the connection between the steering knuckle and the automobile shaft rod when the existing automobile steering knuckle is used, and the wear resistance and shock resistance of the steering knuckle are poor. Therefore, there is an urgent need for a shock-resistant and fracture-proof automobile steering knuckle. Utility Model Content

[0004] Based on this, the purpose of the utility model is to provide a shock-resistant and anti-fracture automobile steering knuckle to solve the problems of the existing automobile steering knuckle that it is inconvenient to inject lubricating oil into the connection between the steering knuckle and the automobile shaft rod and the steering knuckle has poor wear resistance and shock resistance.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an earthquake-resistant and fracture-resistant automobile steering knuckle, comprising a steering gear, an outer wall of the steering gear is fixedly connected to an oil storage box, an outer wall of the oil storage box is movably connected to a pull button, the bottom of the pull button is fixedly connected to a connecting rod, the bottom end of the connecting rod is fixedly connected to an oil plug, a piston is installed on the outer wall of the oil storage box, an oil delivery groove is opened inside the steering gear, and a through groove is opened on the inner wall of the steering gear.

[0006] The outer wall of the diverter is fixedly connected with a first coating, and the inner wall of the diverter is fixedly connected with a second coating.

[0007] Preferably, the connecting rod and the oil storage box form a sliding structure, and the diameter of the oil plug is the same as the inner diameter of the oil delivery tank.

[0008] Preferably, a spring is fixedly connected to the top of the oil plug, and the spring is sleeved on the outer wall of the connecting rod.

[0009] Preferably, an oil filling hole is provided at the bottom of the connecting rod, and the oil delivery groove is communicated with the through groove.

[0010] Preferably, the material of the first coating is tungsten carbide, and the material of the second coating is aluminum oxide.

[0011] Preferably, the first coating is in contact with the diverter, and the diverter is in contact with the second coating.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] 1. The utility model is provided with a steering gear, an oil storage box, a pull button, a connecting rod, an oil plug, a piston, an oil delivery groove and a through groove. By opening the piston and injecting lubricating oil into the oil storage box, when oil injection for lubrication is required, the pull button is pulled to move the oil plug fixedly connected to the bottom end of the connecting rod and release the obstruction of the oil delivery groove, so that the lubricating oil falls along the oil delivery groove and flows along the through groove. The pull button is released, and the oil plug can be reset under the action of the spring, thereby stopping the oil injection, which plays the effect of facilitating the injection of lubricating oil into the connection between the steering knuckle and the automobile shaft rod, preventing the steering gear from breaking due to friction, and prolonging the service life of the steering gear;

[0014] 2. The utility model provides a steering gear, a first coating and a second coating. The first coating is fixedly connected to the outer wall of the steering gear, and the material of the first coating is tungsten carbide, which can improve the shock resistance of the steering gear. The second coating is fixedly connected to the inner wall of the steering gear, and the material of the second coating is aluminum oxide, which can improve the wear resistance of the steering gear. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0016] Figure 2 This is a three-dimensional cross-sectional view of the steering gear of the utility model;

[0017] Figure 3 For this utility model Figure 2 A magnified view of the structure at center;

[0018] Figure 4 This is a schematic diagram of the first coating structure of the utility model.

[0019] In the figure: 1. steering gear; 2. oil storage box; 3. pull button; 4. connecting rod; 5. oil plug; 6. piston; 7. oil delivery groove; 8. through groove; 9. first coating; 10. second coating. DETAILED DESCRIPTION

[0020] 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.

[0021] The following describes an embodiment of the utility model based on its overall structure.

[0022] See also Figure 1-4 A shock-resistant and fracture-proof automobile steering knuckle comprises a steering gear 1, an outer wall of the steering gear 1 is fixedly connected with an oil storage box 2, an outer wall of the oil storage box 2 is movably connected with a pull button 3, the bottom of the pull button 3 is fixedly connected with a connecting rod 4, the bottom end of the connecting rod 4 is fixedly connected with an oil plug 5, a piston 6 is installed on the outer wall of the oil storage box 2, an oil delivery groove 7 is opened inside the steering gear 1, a through groove 8 is opened on the inner wall of the steering gear 1, the connecting rod 4 and the oil storage box 2 form a sliding structure, and the diameter of the oil plug 5 is the same as the inner diameter of the oil delivery groove 7, a spring is fixedly connected to the top of the oil plug 5, and the spring is sleeved on the outer wall of the connecting rod 4, an oil filling hole is opened at the bottom of the connecting rod 4, and the oil delivery groove 7 is communicated with the through groove 8, so that lubricating oil can be easily injected into the connection between the steering knuckle and the automobile shaft rod.

[0023] See also Figure 1-4 A shock-resistant and fracture-resistant automobile steering knuckle, the outer wall of the steering gear 1 is fixedly connected with a first coating 9, the inner wall of the steering gear 1 is fixedly connected with a second coating 10, the first coating 9 is made of tungsten carbide, and the second coating 10 is made of aluminum oxide, the first coating 9 is in contact with the steering gear 1, and the steering gear 1 is in contact with the second coating 10, which can improve the shock-resistant and wear-resistant performance of the steering gear 1.

[0024] Working principle: When in use, by opening the piston 6 and injecting lubricating oil into the oil storage box 2, when oil injection for lubrication is needed, pulling the pull button 3 can move the oil plug 5 fixedly connected to the bottom end of the connecting rod 4 and release the obstruction of the oil delivery groove 7, so that the lubricating oil falls along the oil delivery groove 7 and flows along the through groove 8, releasing the pull button 3, under the action of the spring, the oil plug 5 can be reset, thereby stopping the oil injection, which facilitates the injection of lubricating oil into the connection between the steering knuckle and the automobile axle rod, prevents the steering gear 1 from breaking due to friction, and improves the service life of the steering gear 1. A first coating 9 is fixedly connected to the outer wall of the steering gear 1, and the material of the first coating 9 is tungsten carbide, which can improve the shock resistance of the steering gear 1. A second coating 10 is fixedly connected to the inner wall of the steering gear 1, and the material of the second coating 10 is aluminum oxide, which can improve the wear resistance of the steering gear 1. In this way, the use process of the device is completed. The content not described in detail in this specification belongs to the prior art known to professional and technical personnel in this field.

[0025] 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.

[0026] 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 shock-resistant and fracture-resistant automobile steering knuckle, comprising a steering gear (1), characterized in that: The outer wall of the steering gear (1) is fixedly connected to an oil storage box (2), the outer wall of the oil storage box (2) is movably connected to a pull button (3), the bottom of the pull button (3) is fixedly connected to a connecting rod (4), the bottom end of the connecting rod (4) is fixedly connected to an oil plug (5), the outer wall of the oil storage box (2) is installed with a piston (6), the interior of the steering gear (1) is provided with an oil delivery groove (7), and the inner wall of the steering gear (1) is provided with a through groove (8); The outer wall of the diverter (1) is fixedly connected with a first coating (9), and the inner wall of the diverter (1) is fixedly connected with a second coating (10).

2. The anti-seismic and anti-fracture automobile steering knuckle according to claim 1, characterized in that: The connecting rod (4) and the oil storage box (2) form a sliding structure, and the diameter of the oil plug (5) is the same as the inner diameter of the oil delivery groove (7).

3. The anti-seismic and anti-fracture automobile steering knuckle according to claim 1, characterized in that: A spring is fixedly connected to the top of the oil plug (5), and the spring is sleeved on the outer wall of the connecting rod (4).

4. The anti-seismic and anti-fracture automobile steering knuckle according to claim 1, characterized in that: An oil filling hole is provided at the bottom of the connecting rod (4), and the oil delivery groove (7) is communicated with the through groove (8).

5. The anti-seismic and anti-fracture automobile steering knuckle according to claim 1, characterized in that: The material of the first coating (9) is tungsten carbide, and the material of the second coating (10) is aluminum oxide.

6. The anti-seismic and anti-fracture automobile steering knuckle according to claim 1, characterized in that: The first coating (9) is in contact with the steering gear (1), and the steering gear (1) is in contact with the second coating (10).