CN212337885U

CN212337885U - Automobile ball joint

Info

Publication number: CN212337885U
Application number: CN202020884733.7U
Authority: CN
Inventors: 谢伟; 席先勇; 裴建文; 林宇波
Original assignee: YUHUAN JINLI AUTO PARTS CO LTD
Current assignee: YUHUAN JINLI AUTO PARTS CO LTD
Priority date: 2020-05-22
Filing date: 2020-05-22
Publication date: 2021-01-12
Anticipated expiration: 2030-05-22

Abstract

The utility model provides an automobile ball joint belongs to auto-parts technical field. It has solved the comparatively inconvenient problem of current car ball joint oiling. The utility model provides an automobile ball joint, includes the casing of tube-shape, and the location has the bulb seat in the casing, and swing joint has the bulb round pin in the bulb seat, and the outer end of bulb round pin stretches out in the casing, is equipped with the dust cover between casing and the bulb round pin, and the lower extreme lateral part of casing is equipped with the oil filler point, and the outer terminal surface that has linked firmly glib talker and glib talker in the oil filler point pastes and leans on in the lateral wall of casing. This car ball joint has the oiling of being convenient for and convenient to use's advantage.

Description

Automobile ball joint

Technical Field

The utility model belongs to the technical field of machinery, a car ball joint is related to.

Background

An automotive ball joint assembly, also referred to as a ball stud assembly, is a key component in various types of automotive components. At present, prior art's car bulb subassembly includes bulb round pin, bulb seat, dust cover, goes up the ball bowl, ball bowl and gasket down usually, and the bulb round pin is including being shaft-like pole portion and being spherical ball portion, goes up the ball bowl and all installs in the inner chamber of bulb seat with lower ball bowl, and the ball portion of bulb round pin lies in between ball bowl and the lower ball bowl, and the top at the bulb seat is connected to the dust cover, and the gasket is connected in the bulb seat bottom.

In view of such circumstances, such a deficiency has been recognized and improved, for example, as an automobile ball head disclosed in chinese patent literature [ application No.: 201320371897.X ], which comprises a cylindrical shell, a ball head seat is arranged in the shell, a ball head pin is movably connected in the ball head seat, the outer end of the ball head pin extends out of the shell, the ball head pin can rotate relative to the shell, a cylindrical dust cover is arranged between the ball head pin and the shell, the outer end of the ball head pin extends out of the upper end of the dust cover, the side wall of the ball head pin and the dust cover form a seal, the lower end of the dust cover is connected with the upper end of the shell in a riveting mode, an oil hole communicated with a cavity of the shell is formed in the bottom surface of the shell. But this car bulb is owing to do not set up the oiling structure to the casing oiling, therefore its oiling is comparatively inconvenient.

Disclosure of Invention

The utility model aims at having the above-mentioned problem to current technique, provided an automobile ball joint convenient to oiling and convenient to use.

The purpose of the utility model can be realized by the following technical proposal: the utility model provides an automobile ball joint, includes the casing of tube-shape, the casing in the location have the bulb seat, the bulb seat in swing joint have the bulb round pin, the outer end of bulb round pin stretch out in the casing, the casing with the bulb round pin between be equipped with the dust cover, a serial communication port, the lower extreme lateral part of casing be equipped with the oil filler point, the oil filler point in link firmly the oil filler point just the outer terminal surface of oil filler point paste and lean on in the lateral wall of casing.

Because the lower extreme of casing is equipped with the oil filler point, has linked firmly the outer terminal surface of glib talker and glib talker in the oil filler point and has been close to in the lateral wall of casing, consequently is convenient for add lubricating oil toward the casing through the glib talker, has oiling and convenient to use, has improved life.

In the above automobile ball joint, the oil filling nozzle comprises a body with an oil inlet channel, the inner end of the oil inlet channel can be communicated with the cavity of the shell, and the body is internally provided with a spring and a ball, and the spring pushes the ball to block the oil inlet channel. Promote the ball through the spring with the shutoff of oil feed passageway, avoid lubricating oil to flow out in the casing, when the oiling, promote the ball and overcome the elasticity messenger oil feed passageway of spring and open, have the convenient and simple structure's of oiling advantage.

In the automobile ball joint, the inner end of the oil inlet channel is a tapered hole, and the spring and the ball are located in the tapered hole. Promote the ball through the spring and lean on in the bell mouth, realize the shutoff to the oil feed passageway, when the oiling, overcome the elasticity messenger oil feed passageway of spring through promoting the ball and open, pour into toward the casing, have the comparatively convenient advantage of operation.

In the automobile ball joint, the oil inlet channel is obliquely arranged downwards. The oil inlet channel is arranged obliquely downwards, so that lubricating oil can be conveniently injected through the oil injection nozzle, and the oil injection device has the advantage of convenience in use.

In the automobile ball joint, the bottom of the inner cavity of the shell is provided with the oil pushing plate, and the shell is provided with a lifting structure capable of pushing the oil pushing plate to lift in a reciprocating manner. The oil pushing plate is driven to ascend through the lifting structure, lubricating oil in the shell is pushed to the ball pin, lubrication of the ball pin is achieved, the oil supplementing effect is good, and the using effect is improved.

In the above ball joint for an automobile, the lifting structure includes a stud axially fixed to the housing, and an upper end of the stud is in threaded connection with the oil pushing plate. The lifting of the oil pushing plate is driven by rotating the stud, so that the oil pushing device has the advantages of convenience in use and reliable structure.

In the ball joint for an automobile as described above, the oil nozzle is located on an upper side of the oil pushing plate.

In the automobile ball joint, the oil injection nozzle and the shell are fixedly connected by interference press fitting. The oil injection nozzle and the shell are fixedly connected by interference press fitting, and the oil injection nozzle has the advantages of firm connection and convenience in manufacturing.

Compared with the prior art, this car ball joint has following advantage:

1. the oil injection hole is fixedly connected with the oil injection nozzle, and the outer end surface of the oil injection nozzle is close to the outer side wall of the shell, so that lubricating oil can be conveniently added into the shell through the oil injection nozzle, the oil injection and the use are convenient, and the service life is prolonged;

2. the spring pushes the ball to plug the oil inlet channel, so that lubricating oil is prevented from flowing out of the shell, and when oil is filled, the ball is pushed to overcome the elasticity of the spring to open the oil inlet channel, so that the oil filling device has the advantages of convenience in oil filling and simple structure;

3. the oil pushing plate is driven to ascend through the lifting structure, lubricating oil in the shell is pushed to the ball pin, lubrication of the ball pin is achieved, the oil supplementing effect is good, and the using effect is improved.

Drawings

FIG. 1 is a schematic cross-sectional view of the present automotive ball joint.

Fig. 2 is a partially enlarged schematic view a of fig. 1.

In the figure, 1, a housing; 1a, an oil filling hole; 2. a ball cup seat; 3. a ball stud; 4. a dust cover; 5. an oil injection nozzle; 5a, an oil inlet channel; 5b, a spring; 5c, a ball; 6. an oil pushing plate; 7. a stud.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1 and 2, an automobile ball joint comprises a cylindrical shell 1, a ball head seat 2 is positioned in the shell 1, a ball head pin 3 is movably connected in the ball head seat 2, the outer end of the ball head pin 3 extends out of the shell 1, a dust cover 4 is arranged between the shell 1 and the ball head pin 3, an oil filling hole 1a is formed in the side portion of the lower end of the shell 1, an oil filling nozzle 5 is fixedly connected in the oil filling hole 1a, and the outer end face of the oil filling nozzle 5 is attached to the outer side wall of the shell 1.

The oil injection nozzle 5 comprises a body with an oil inlet channel 5a, the oil inlet channel 5a is obliquely arranged downwards, the inner end of the oil inlet channel 5a can be communicated with the cavity of the shell 1, lubricating oil can be conveniently injected through the oil injection nozzle 5, the inner end of the oil inlet channel 5a is a tapered hole, and a spring 5b and a ball 5c and a spring 5b are arranged in the body to push the ball 5c to block the tapered hole.

The bottom of the inner chamber of the shell 1 is provided with an oil pushing plate 6, the oil injection nozzle 5 is positioned at the upper side of the oil pushing plate 6, the shell 1 is provided with a lifting structure capable of pushing the oil pushing plate 6 to reciprocate, the lifting structure comprises a stud 7 which is axially and fixedly connected onto the shell 1, the upper end of the stud 7 is in threaded connection with the oil pushing plate 6, and the oil injection device has the advantages of convenience in use and reliable structure.

The oil injection nozzle 5 and the shell 1 are fixedly connected by interference press fitting, and the oil injection device has the advantages of firm connection and convenience in manufacturing.

When normally working, promote ball 5c through spring 5b with the shutoff of oil feed passageway 5a, avoid lubricating oil to flow out from casing 1, when the oiling, promote ball 5c and overcome spring 5 b's elasticity and make oil feed passageway 5a open, be convenient for through oiling mouth 5 toward casing 1 in add lubricating oil, have oiling and convenient to use, improved life. The stud 7 is rotated to drive the oil pushing plate 6 to ascend, lubricating oil in the shell 1 is pushed to the ball stud 3, the ball stud 3 is lubricated, the oil supplementing effect is good, and the using effect is improved.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Although the terms of the housing 1, the oil filling hole 1a, the ball seat 2, the ball stud 3, the dust cover 4, the oil nipple 5, the oil inlet passage 5a, the spring 5b, the ball 5c, the oil pushing plate 6, the stud 7, etc. are used more herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

Claims

1. The utility model provides an automobile ball joint, includes casing (1) of tube-shape, casing (1) in the location have bulb seat (2), bulb seat (2) interior swing joint have bulb round pin (3), the outer end of bulb round pin (3) stretch out in casing (1), casing (1) with bulb round pin (3) between be equipped with dust cover (4), its characterized in that, the lower extreme lateral part of casing (1) be equipped with oil filler point (1a), oil filler point (1a) in link firmly oil filler point (5) just the outer terminal surface of oil filler point (5) paste and lean on in the lateral wall of casing (1).

2. The ball joint according to claim 1, wherein said nozzle (5) comprises a body having an oil inlet channel (5a), said inner end of said oil inlet channel (5a) being capable of communicating with said cavity of said housing (1), said body being provided with a spring (5b) and a ball (5c) and said spring (5b) urging said ball (5c) to block said oil inlet channel (5 a).

3. An automotive ball joint according to claim 2, characterised in that the inner end of said oil inlet channel (5a) is a tapered bore and said spring (5b) and said ball (5c) are located in the tapered bore.

4. An automotive ball joint according to claim 2 or 3, characterised in that said oil inlet passage (5a) is arranged obliquely downwards.

5. The ball joint according to claim 1, 2 or 3, wherein an oil pushing plate (6) is arranged at the bottom of the inner cavity of the housing (1), and a lifting structure capable of pushing the oil pushing plate (6) to lift up and down in a reciprocating manner is arranged on the housing (1).

6. An automotive ball joint according to claim 5, characterized in that said lifting structure comprises a stud (7) axially fixed to said housing (1), the upper end of said stud (7) being in threaded connection with said oil-pushing plate (6).

7. Automotive ball joint according to claim 5, characterised in that said grease nipple (5) is located on the upper side of said grease pushing plate (6).

8. An automotive ball joint according to claim 1, 2 or 3, characterized in that said grease nipple (5) is fixedly connected with said housing (1) by interference press fitting.