CN219197855U

CN219197855U - Ball stud for steering shaft of automobile

Info

Publication number: CN219197855U
Application number: CN202222978591.2U
Authority: CN
Inventors: 冯俊
Original assignee: Jiashan Junhui Hardware Co ltd
Current assignee: Jiashan Junhui Hardware Co ltd
Priority date: 2022-11-09
Filing date: 2022-11-09
Publication date: 2023-06-16
Anticipated expiration: 2032-11-09

Abstract

The utility model discloses a ball stud of an automobile steering shaft, which comprises a main body part, wherein a stud part and a ball part are respectively and integrally formed at the front end and the rear end of the main body part, and a ball connecting rod is arranged between the ball part and the main body part; the side wall of the stud part is provided with external threads, the rear end part of the stud part is also provided with a knob part, and the side wall of the knob part is provided with straight knurling for convenient operation; the front end of the knob part is also provided with a gasket mounting groove for mounting a spring gasket, the whole gasket mounting groove is in a major arc shape, and the depth of the gasket mounting groove is gradually increased from one end to the other end; the ball stud is high in reliability and high in precision after installation and use, and dislocation is not easy to occur; the transmission accuracy of the ball stud is ensured.

Description

Ball stud for steering shaft of automobile

Technical Field

The utility model relates to an automobile accessory, in particular to an automobile steering shaft ball stud.

Background

The steering tie rod is an important part in the steering mechanism of the automobile, plays a role in transmitting motion in the steering system, and directly influences the stability of the automobile operation, the running safety and the service life of the tire. The tie rods are classified into 2 types, namely, tie rods and tie rods. The tie rod takes on the task of transmitting the movement of the steering arm to the knuckle arm; the steering tie rod is the bottom edge of the steering trapezoid mechanism and is a key component for ensuring that the right and left steering wheels generate a correct motion relationship; the automobile steering tie rod mainly comprises: the ball joint comprises a ball joint assembly, a nut, a pull rod assembly, a left telescopic rubber sleeve, a right telescopic rubber sleeve, a self-tightening spring and the like, wherein a ball stud is an important part of the ball joint assembly.

For example, patent with the publication number CN217170790U discloses a novel steering pull rod and a vehicle, and relates to the technical field of vehicle engineering. The novel steering pull rod comprises a pull rod, a reinforcing section and two ball head connecting pieces. The pull rod is provided with a plurality of bending positions. At least part of the bending positions are provided with reinforcing sections, and the strength of the reinforcing sections is greater than that of the pull rods. Two ends of the pull rod are respectively provided with a ball joint connecting piece; the novel steering pull rod can reduce the compression resistance enhancement cost of the pull rod and improve the economic benefit on the premise of greatly improving the compression resistance strength of the pull rod; however, after the connecting structure bolt is loosened, the ball head part of the ball head connecting piece is misplaced, and the ball head part is easy to wear, so that the rotation of the ball head part is abnormal.

Accordingly, there is a need for an improved ball stud structure that overcomes the above-described drawbacks.

Disclosure of Invention

The utility model aims to provide an automobile steering shaft ball stud, which solves the problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the ball stud of the steering shaft of the automobile comprises a main body part, wherein the front end and the rear end of the main body part are respectively provided with a stud part and a ball part in an integrated manner, and a ball connecting rod is arranged between the ball part and the main body part; the side wall of the stud part is provided with external threads, the rear end part of the stud part is also provided with a knob part, and the side wall of the knob part is provided with straight knurling for convenient operation; the front end of the knob part is also provided with a gasket mounting groove for mounting a spring gasket, the whole gasket mounting groove is in a major arc shape, and the depth of the gasket mounting groove is gradually increased from one end to the other end; when the spring washer is installed, part of the spring washer is positioned in the washer installation groove, the spring washer abuts against the knob part and is used for preventing the ball stud and the nut from rotating, and the middle part of the main body part is integrally formed with the baffle ring.

Further, an annular mounting groove is formed between the ball head connecting rod and the main body.

Further, the mounting groove is used for connecting the front end of rubber protection cover, and the rubber protection cover of elastic material can block in the mounting groove and not drop, and the front end of rubber protection cover and mounting groove be tight fit, and the front end fixed connection of rubber protection cover is on the casing.

Further, the novel ball bowl comprises a shell, wherein two ball bowls which are symmetrically arranged are arranged in the shell, one ball bowl is fixedly arranged in the shell, and the other ball bowl is movably arranged on the elastic structure.

Further, the elastic structure comprises a guide sleeve and a spring, a guide shaft is connected in the guide sleeve in a sliding mode, the top of the guide shaft is fixedly connected with the ball bowl, the spring is further arranged on the guide sleeve, and two ends of the spring are respectively abutted to the ball bowl and the guide sleeve.

Compared with the prior art, the utility model has the beneficial effects that:

firstly, a gasket mounting groove is formed in the ball stud, and the gasket mounting groove is matched with a spring gasket to be used for placing the ball stud to rotate around the axis of the ball stud, so that the ball stud is prevented from loosening, the ball head part is prevented from being worn, the ball stud is high in reliability, high in precision after being mounted and used, and dislocation is not easy to occur;

the rubber protective sleeve plays a protective role on the joint of the shell and the ball head part, water can be prevented from entering the shell, meanwhile, the rubber protective sleeve made of elastic materials can not obstruct the operation of the ball stud, and the transmission accuracy of the ball stud is guaranteed.

Drawings

Fig. 1 is a schematic structural view of a ball stud for an automotive steering shaft.

Fig. 2 is an elevation view of an automotive steering shaft ball stud.

Fig. 3 is a side view of an automotive steering shaft ball stud.

FIG. 4 is a schematic view of an automotive steering shaft ball stud mating housing.

Fig. 5 is a cross-sectional view of fig. 4.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present utility model more clear, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. It will be apparent that the described embodiments are some, but not all, embodiments of the utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, a ball stud of an automobile steering shaft comprises a main body part 1, wherein a stud part 2 and a ball part 3 are respectively and integrally formed at the front end and the rear end of the main body part 1, and a ball connecting rod 4 is further arranged between the ball part 3 and the main body part 1;

the side wall of the stud part 2 is provided with external threads, the rear end part of the stud part 2 is also provided with a knob part 5, and the side wall of the knob part 5 is provided with straight knurling 6, so that the operation is convenient; the front end of the knob part 5 is also provided with a gasket mounting groove 7 for mounting a spring gasket, the whole gasket mounting groove 7 is in a major arc shape, and the depth of the gasket mounting groove 7 is gradually increased from one end to the other end; when the spring washer is installed, part of the spring washer is positioned in the washer installation groove 7, the spring washer abuts against the knob part 5 and is used for preventing the ball stud and the nut from rotating, and the middle part of the main body part 1 is integrally formed with the baffle ring 8;

an annular mounting groove 9 is arranged between the ball head connecting rod 4 and the main body part 1, the mounting groove 9 is used for connecting the front end of the rubber protective sleeve 10, the rubber protective sleeve 10 made of elastic materials can be clamped in the mounting groove 9 and cannot fall off, the front end of the rubber protective sleeve 10 is tightly matched with the mounting groove 9, and the front end of the rubber protective sleeve 10 is fixedly connected to the shell 11;

further, the scheme further comprises a shell 11, two symmetrically arranged bowls 12 are arranged in the shell 11, one bowl 12 is fixedly arranged in the shell 11, the other bowl 12 is movably arranged on an elastic structure 13, the elastic structure 13 comprises a guide sleeve 14 and a spring 16, a guide shaft 15 is connected in a sliding manner in the guide sleeve 14, the top of the guide shaft 15 is fixedly connected with the bowl 12, the guide sleeve 14 is further provided with the spring 16, and two ends of the spring 16 are respectively abutted against the bowl 12 and the guide sleeve 14;

when the ball stud is used, the ball head part 3 of the ball stud is rotationally connected between the two symmetrically arranged ball bowls 12, the rubber protective sleeve 10 plays a role in protecting the joint of the shell and the ball head part 3, water can be prevented from entering the shell, and meanwhile, the rubber protective sleeve 10 made of elastic materials can not obstruct the running of the ball stud.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "upper", "lower", "inner", "outer", "left", "right", etc., are directions or positional relationships based on those shown in the drawings, or are directions or positional relationships conventionally put in place when the inventive product is used, or are directions or positional relationships conventionally understood by those skilled in the art, are merely for convenience of describing the present utility model and for simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance. In the description of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, terms such as "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Claims

1. The automobile steering shaft ball stud comprises a main body part, and is characterized in that a stud part and a ball part are respectively formed at the front end and the rear end of the main body part in an integrated manner, and a ball connecting rod is further arranged between the ball part and the main body part; the side wall of the stud part is provided with external threads, the rear end part of the stud part is also provided with a knob part, and the side wall of the knob part is provided with straight knurling for convenient operation; the front end of the knob part is also provided with a gasket mounting groove for mounting a spring gasket, the whole gasket mounting groove is in a major arc shape, and the depth of the gasket mounting groove is gradually increased from one end to the other end; when the spring washer is installed, part of the spring washer is positioned in the washer installation groove, the spring washer abuts against the knob part and is used for preventing the ball stud and the nut from rotating, and the middle part of the main body part is integrally formed with the baffle ring.

2. The automotive steering shaft ball stud of claim 1 wherein said ball connecting rod and body portion define therebetween an annular mounting groove.

3. The ball stud for a steering shaft of an automobile according to claim 1, wherein the mounting groove is used for connecting the front end of the rubber protection sleeve, the rubber protection sleeve made of elastic materials can be clamped in the mounting groove without falling off, the front end of the rubber protection sleeve is tightly matched with the mounting groove, and the front end of the rubber protection sleeve is fixedly connected to the shell.

4. The automotive steering shaft ball stud of claim 1 further comprising a housing, wherein two symmetrically disposed bowls are mounted within the housing, one of the bowls being fixedly mounted within the housing and the other bowl being movably mounted on the resilient structure.

5. The ball stud for an automobile steering shaft according to claim 4, wherein the elastic structure comprises a guide sleeve and a spring, the guide sleeve is slidably connected with a guide shaft, the top of the guide shaft is fixedly connected with the ball bowl, the guide sleeve is further provided with the spring, and two ends of the spring are respectively abutted against the ball bowl and the guide sleeve.