CN212202834U

CN212202834U - Automobile ball joint with good lubricating effect

Info

Publication number: CN212202834U
Application number: CN202020884130.7U
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: 2020-12-22
Anticipated expiration: 2030-05-22

Abstract

The utility model provides a lubricated effectual car ball joint belongs to auto-parts technical field. The automobile ball joint solves the problems that an existing automobile ball joint is good in lubricating effect and long in service life. This lubricated effectual car ball joint, including the casing that has the cavity, be equipped with the bulb seat in the casing, it has the bulb round pin to articulate in the bulb seat, the outer end of bulb round pin stretches out in the casing, be equipped with dust cover and bulb round pin on the casing and pass the dust cover, the bulb seat includes ball seat and lower ball seat, is equipped with the arc wall that is used for supplying bulb round pin embedding on the lower ball seat, the middle part of lower ball seat is equipped with the through-hole that is linked together with the arc wall, the lower terminal surface of lower ball seat is equipped with the logical oil groove that is linked together with. This lubricated effectual car ball joint has lubricated better and the longer advantage of life of effect.

Description

Automobile ball joint with good lubricating effect

Technical Field

The utility model belongs to the technical field of auto-parts, a car ball joint, especially a lubricated effectual car ball joint are 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.: 201120439158.0], including a housing with a cavity and a rod-shaped ball pin, the inner end of the ball pin is sphere-shaped and located in the cavity, the outer end of the ball pin extends out of the housing, a ball seat covering the inner end of the ball pin is arranged between the housing and the inner end of the ball pin, an elastic part providing elasticity to make the ball seat contact with the inner end of the ball pin all the time is arranged between the ball seat and the housing, a retaining ring is fixed between the upper ball seat and the housing, the retaining ring can also be called a closing plate, a dust-proof sleeve passing through the outer end of the ball pin is fixed on the housing, one end of the dust-proof sleeve is fastened at the middle part of the ball pin through a snap ring, and the other end of the dust. But this ball seat of car bulb is ordinary ball seat, so lubricating oil in the casing is difficult to enter into between ball seat and the ball round pin, and it is not good to shine into lubricated effect easily after long-time the use, has reduced life.

Disclosure of Invention

The utility model aims at having the above-mentioned problem to current technique, provided a lubricated better and longer car ball joint of life of effect.

The purpose of the utility model can be realized by the following technical proposal: the utility model provides a lubricated effectual car ball joint, is including the casing that has the cavity, the casing in be equipped with the bulb seat, the bulb seat in articulated have a bulb round pin, the outer end of bulb round pin stretch out in the casing, the casing on be equipped with the dust cover just the bulb round pin pass the dust cover, the bulb seat include ball seat and lower ball seat, its characterized in that, lower ball seat on be equipped with the arc wall that is used for supplying the embedding of bulb round pin, the middle part of lower ball seat be equipped with the through-hole that is linked together with the arc wall, the lower terminal surface of lower ball seat be equipped with the logical oil groove that the through-hole is linked together.

Because the lower terminal surface of ball seat down is equipped with the logical oil groove that is linked together with the through-hole, the lubricating oil of casing bottom enters into between bulb round pin and the last ball seat through oil groove and through-hole, realizes the lubrication to the bulb round pin, has simple structure, lubricated effect is better to make the longer advantage of life.

In foretell effectual car ball joint of lubrication, the inside wall of arc wall be equipped with a plurality of supplementary oil grooves just supplementary oil groove with the axis of lower ball seat evenly set up as the center. Set up foretell supplementary oil groove through the inside wall at the arc wall, increased lubricated effect, improved life.

In foretell effectual car ball joint of lubrication, the lower extreme lateral wall of lower ball seat be equipped with the conical surface just the conical surface with the inside wall of casing between form the oil storage chamber just the oil storage chamber with logical oil duct communicate mutually. Be equipped with the oil storage chamber between the inside wall of conical surface and casing, increased the oil storage capacity of casing, introduce ball head pin department through leading to the lubricating oil of oil groove in with the oil storage chamber, improved lubricated effect.

In the automobile ball joint with good lubricating effect, the lower end surface of the shell is provided with an oil filling hole, and an oil filling nozzle is arranged at the oil filling hole. The oiling hole is provided with the oiling nozzle, so that lubricating oil can be conveniently added into the shell, and the novel oiling device has the advantage of convenience in use.

In the automobile ball joint with good lubricating effect, the oil injection nozzle is obliquely arranged downwards. The oil injection nozzle is obliquely arranged downwards, so that lubricating oil can be conveniently injected into the automobile ball joint.

In the above automobile ball joint with good lubricating effect, the outer side wall of the upper end of the lower ball seat is provided with an outer gear ring, and the outer gear ring is embedded in the inner side wall of the shell. Outer ring gear inlays in the inside wall of casing, has the better advantage of linkage effect, has increased the circulation of lubricating oil simultaneously, has improved lubricated effect.

In foretell effectual car ball joint of lubrication, the casing on be equipped with the shrouding, the lower extreme of dust cover with the shrouding structure as an organic whole, the upper end of casing bend towards the inboard and support and press the up end at the shrouding. By adopting the arrangement, the sealing effect is better, the leakage of the lubricating oil is avoided, and the service life is prolonged.

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

1. because the lower end surface of the lower ball seat is provided with the oil through groove communicated with the through hole, the lubricating oil at the bottom of the shell enters between the ball pin and the upper ball seat through the oil through groove and the through hole, the ball pin is lubricated, and the ball pin lubricating device has the advantages of simple structure, good lubricating effect and long service life;

2. the auxiliary oil groove is formed in the inner side wall of the arc-shaped groove, so that the lubricating effect is improved, and the service life is prolonged;

3. the outer gear ring is arranged on the outer side wall of the upper end of the lower ball seat and embedded in the inner side wall of the shell, so that the connecting effect is good, meanwhile, the circulation of lubricating oil is increased, and the lubricating effect is improved;

4. the oil injection nozzle is obliquely arranged downwards, so that lubricating oil can be conveniently injected into the automobile ball joint.

Drawings

Fig. 1 is a schematic cross-sectional view of an automotive ball joint with good lubrication effect.

FIG. 2 is a cross-sectional schematic view of the lower ball socket of the present automotive ball joint.

FIG. 3 is a schematic top view of the lower tee of the present automotive ball joint.

In the figure, 1, a housing; 2. a ball stud; 3. a dust cover; 4. a ball seat is arranged; 5. a ball seat is arranged; 5a, an arc-shaped groove; 5b, through holes; 5c, introducing an oil groove; 5d, an auxiliary oil groove; 5e, a conical surface; 5f, an outer gear ring; 6. closing the plate; 7. an oil injection nozzle.

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 to 3, an automobile ball joint with good lubricating effect, including the casing 1 that has the cavity, be equipped with the bulb seat in the casing 1, it has bulb round pin 2 to articulate in the bulb seat, the outer end of bulb round pin 2 stretches out in casing 1, be equipped with dust cover 3 and bulb round pin 2 on the casing 1 and pass dust cover 3, the bulb seat includes ball seat 4 and lower ball seat 5, be equipped with the arc wall 5a that is used for supplying bulb round pin 2 embedding on the lower ball seat 5, the middle part of lower ball seat 5 is equipped with the through-hole 5b that is linked together with arc wall 5a, the lower terminal surface of lower ball seat 5 is equipped with the logical oil groove 5c that is linked together with through.

The inside wall of arc wall 5a is equipped with a plurality of supplementary oil grooves 5d and supplementary oil groove 5d below the axis of ball seat 5 evenly sets up as the center, and the lower extreme lateral wall of lower ball seat 5 is equipped with between the inside wall of conical surface 5e and casing 1 and forms oil storage chamber and logical oil groove 5c and be linked together.

The lower end face of the shell 1 is provided with an oil filling hole, an oil filling nozzle 7 is arranged at the oil filling hole, and the oil filling nozzle 7 is obliquely arranged downwards, so that lubricating oil can be conveniently filled into the automobile ball joint.

The upper end lateral wall of ball seat 5 is equipped with outer ring gear 5f down, and outer ring gear 5f inlays in casing 1's inside wall, has the better advantage of joint effect, has increased the circulation of lubricating oil simultaneously, has improved lubricated effect.

Be equipped with shrouding 6 on casing 1, the lower extreme and the shrouding 6 structure as an organic whole of dust cover 3, the upper end of casing 1 is bent toward the inboard and is supported and press at the up end of shrouding 6, and it is better to have sealed effect, avoids revealing of lubricating oil, has improved life.

Because the lower terminal surface of ball seat 5 is equipped with the logical oil groove 5c that is linked together with through-hole 5b down, the lubricating oil of 1 bottom of casing enters into between bulb round pin 2 and the last ball seat 4 through oil groove 5c and through-hole 5b, realizes the lubrication to bulb round pin 2, has simple structure, lubricated effect is better to make the longer advantage of life. The auxiliary oil groove 5d is formed in the inner side wall of the arc-shaped groove 5a, so that the lubricating effect is improved, and the service life is prolonged; be equipped with the oil storage chamber between the inside wall of conical surface 5e and casing 1, increased casing 1's oil storage capacity, introduce ball head pin 2 department through leading to the lubricating oil of oil groove 5c in with the oil storage chamber, improved lubricated effect.

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 ball stud 2, the dust cover 3, the upper ball seat 4, the lower ball seat 5, the arc-shaped groove 5a, the through hole 5b, the oil through groove 5c, the auxiliary oil groove 5d, the tapered surface 5e, the outer ring gear 5f, the closing plate 6, the nipple 7, etc. are used more frequently 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 a lubricated effectual car ball joint, is including casing (1) that has the cavity, casing (1) in be equipped with the bulb seat, the bulb seat in articulated have bulb round pin (2), the outer end of bulb round pin (2) stretch out in casing (1), casing (1) on be equipped with dust cover (3) and bulb round pin (2) pass dust cover (3), the bulb seat include ball seat (4) and lower ball seat (5), its characterized in that, lower ball seat (5) on be equipped with arc wall (5a) that are used for supplying bulb round pin (2) embedding, the middle part of lower ball seat (5) be equipped with through-hole (5b) that are linked together with arc wall (5a), the lower terminal surface of lower ball seat (5) be equipped with oil through-groove (5c) that are linked together through-hole (5 b).

2. The ball joint for automobile with good lubrication effect according to claim 1, wherein the inner side wall of the arc-shaped groove (5a) is provided with a plurality of auxiliary oil grooves (5d) and the auxiliary oil grooves (5d) are uniformly arranged by taking the axis of the lower ball seat (5) as the center.

3. The automobile ball joint with good lubricating effect according to claim 1, wherein a conical surface (5e) is arranged on the outer side wall of the lower end of the lower ball seat (5), an oil storage cavity is formed between the conical surface (5e) and the inner side wall of the shell (1), and the oil storage cavity is communicated with the oil through groove (5 c).

4. An automotive ball joint with good lubrication effect according to claim 1, 2 or 3, characterized in that the lower end surface of the shell (1) is provided with an oil filling hole and the oil filling hole is provided with an oil filling nozzle (7).

5. Automotive ball joint with improved lubrication according to claim 4, characterised in that said grease nipple (7) is arranged obliquely downwards.

6. The automobile ball joint with good lubricating effect as claimed in claim 1, 2 or 3, characterized in that an outer gear ring (5f) is arranged on the outer side wall of the upper end of the lower ball seat (5), and the outer gear ring (5f) is embedded in the inner side wall of the shell (1).

7. The automobile ball joint with good lubricating effect according to claim 1, 2 or 3, characterized in that the housing (1) is provided with a sealing plate (6), the lower end of the dust cover (3) and the sealing plate (6) are of an integral structure, and the upper end of the housing (1) is bent inwards and is pressed against the upper end face of the sealing plate (6).