CN213007480U - Dust cover and have car stabilizer bar assembly of this dust cover - Google Patents

Abstract

The utility model belongs to the technical field of auto-parts's technique and specifically relates to a dust cover is related to, including the cover body that has the inner chamber and connect in the bulge loop of cover body bottom, at least one oil spilling groove has been seted up along it is global to the bulge loop bottom surface, be formed with the thin wall between oil spilling groove and the inner chamber and lead oil portion, the oil spilling groove is kept apart with the inner chamber to oil portion is led to the thin wall. The utility model has the characteristics of reducing the external impurities from entering the inner cavity when the lubricating oil is replaced; simultaneously, still relate to a car stabilizer bar assembly, have long service life's characteristics.

Description

Dust cover and have car stabilizer bar assembly of this dust cover

Technical Field

The utility model belongs to the technical field of auto-parts's technique and specifically relates to a dust cover and have car stabilizer bar assembly of this dust cover is related to.

Background

A stabilizer bar (also called an anti-roll bar or a stabilizer bar) is an auxiliary elastic element in a suspension system of an automobile.

The ball joint assembly of the prior stabilizer bar is generally provided with a dust cover which can prevent environmental factors such as mud, water and the like from eroding the ball pin kinematic pair. The dust cover is generally made by elastic rubber, need in the installation with ball seat link butt, rethread nut and bulb pin joint compress tightly, fix whole ball joint subassembly. A ball joint assembly and method of making the same is disclosed, for example, in patent publication No. CN102037250B, which in fig. 1 shows an illustration of the installation of the ball joint assembly in a suspension system.

Ball joint assembly need change the lubricating oil of pouring into in ball joint assembly after using a period, can set up the oil spilling hole on the dust cover, makes it take place to compress through applying an axial force to dustproof axle, can discharge the inside lubricating oil of storing in the dust cover from the oil spilling hole, pours into new lubricating oil into after the completion is to the emission of lubricating oil.

The patent document with the existing Chinese patent authorization publication number of CN209654418U discloses a ball joint dust cover, which comprises an outer wall part formed by rotating around a central shaft of the dust cover, wherein a dust-proof cavity is formed at the inner side of the outer wall part, at least one butt joint block is arranged on the outer wall part, a concave groove is formed in the butt joint block, and an overflow port communicated with the dust-proof cavity is formed in the concave groove.

The above prior art solutions have the following drawbacks: the oil overflow port is arranged on the outer wall of the dust cover, and the peripheral surface of the oil overflow port is completely exposed; when being extruded, the foreign matters can easily enter the dustproof cavity from the overflow port; meanwhile, when original lubricating oil is discharged, the overflow port is in an open state, and at the moment, external impurities easily enter the dustproof cavity from the overflow port and then are abraded with the ball pin.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects in the prior art, and the first purpose of the utility model is to provide a dust cover, the characteristics of reducible external impurity gets into the inner chamber from the overflow launder.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

a dust cover comprises a cover body with an inner cavity and a convex ring connected to the bottom of the cover body, wherein at least one oil overflow groove is formed in the bottom surface of the convex ring along the circumferential surface of the convex ring, a thin-wall oil guide part is formed between the oil overflow groove and the inner cavity, and the thin-wall oil guide part isolates the oil overflow groove from the inner cavity.

Through adopting above-mentioned technical scheme, the oil portion is led to the thin wall can keep apart oil spilling groove and inner chamber to play dustproof effect, prevent that impurity from getting into the inner chamber. The oil spilling groove is arranged on the bottom surface of the convex ring, and the convex ring is connected to the bottom of the cover body and is abutted against the ball seat, so that a dustproof surface is formed between the convex ring and the ball seat. When the dust cover is extruded or discharges original lubricating oil, the lubricating oil moves from the inner cavity to the thin-wall oil guide part and forces the thin-wall oil guide part to deform towards the oil overflow groove, so that the lubricating oil can be smoothly guided out by communicating the inner cavity with the outside. Because the opening of the oil overflow groove is arranged at the bottom of the cover body, and the opening of the inner cavity and the outside is also arranged at the bottom of the cover body, the outer wall surface of the cover body is still closed, and the external impurities are reduced from entering the inner cavity from the periphery of the cover body.

In addition, even if external impurities impact the thin-wall oil guide part, acting force towards the interior of the cover body is only applied to the thin-wall oil guide part, so that the thin-wall oil guide part deforms towards the interior of the cover body, the attaching degree of the thin-wall oil guide part and the shell is increased, and the dustproof effect is improved.

The utility model discloses further configure to: the inner wall of the cover body is provided with an oil guide groove, and one side wall of the oil guide groove extends to the thin-wall oil guide part.

By adopting the technical scheme, the oil guide groove further reduces the wall thickness of the joint of the inner peripheral surface of the cover body and the thin-wall oil guide part, reduces the extrusion force required by the deformation of the thin-wall oil guide part, enables the thin-wall oil guide part to be more easily deformed, and improves the overflow oil discharge effect.

The utility model discloses further configure to: one side of the oil guide groove, which deviates from the inner cavity, is in a flaring shape.

Through adopting above-mentioned technical scheme, lubricating oil is led the oil groove by the inner chamber orientation and is removed, and the flaring form plays the guide effect to the discharge of lubricating oil to further increase the oil spilling effect.

The utility model discloses further configure to: one side of the oil overflow groove, which is far away from the thin-wall oil guide part, is communicated with the outside.

Through adopting above-mentioned technical scheme, increase the area of seting up of excessive oil groove, and keep away from the thin wall and lead one side and external intercommunication of oil portion to further increase and lead oil efficiency, and have partial lubricating oil can be stained with in excessive oil groove, provide waterproof effect.

The utility model discloses further configure to: two opposite side walls of the oil overflow groove are arc guide surfaces.

Through adopting above-mentioned technical scheme, the setting of circular arc guide surface can form the oil storage space at the oil spilling groove lateral wall to adsorb partial lubricating oil storage in the oil spilling groove lateral wall, provide waterproof lubrication effect.

The utility model discloses further configure to: the bottom surface of the convex ring is provided with two oil overflow grooves along the circumferential surface.

Through adopting above-mentioned technical scheme, prevent that the extrusion position of bulb round pin and cover body is improper, and unable oil spilling increases the oil spilling effect.

The utility model discloses further configure to: the included angle alpha between the central lines of the two oil spilling grooves is 30-60 degrees.

Through adopting above-mentioned technical scheme, according to the stabilizer bar design, increase the oil spilling effect.

The utility model discloses further configure to: and the top surface of the convex ring is provided with a positioning bulge between the oil overflow grooves.

Through adopting above-mentioned technical scheme, the protruding mounted position of conveniently discerning the cover body and stabilizer bar of location, the installation of being convenient for.

A second object of the present invention is to provide a stabilizer bar assembly for a vehicle, which has the advantages of long service life.

An automobile stabilizer bar assembly comprises the dust cover.

By adopting the technical scheme, when the lubricating oil is replaced, the external impurities are reduced from entering the cover body from the overflow port, and the service life of the stabilizer bar assembly is prolonged; meanwhile, the lubricating oil overflow device has a good lubricating oil overflow effect and is convenient to replace lubricating oil.

To sum up, the utility model discloses a following at least one useful technological effect:

1. the thin-wall oil guide part can isolate the oil overflow groove from the inner cavity, thereby playing a dustproof role and preventing impurities from entering the inner cavity. The oil spilling groove is arranged on the bottom surface of the convex ring, and the convex ring is connected to the bottom of the cover body and is abutted against the ball seat, so that a dustproof surface is formed between the convex ring and the ball seat. When the dust cover is extruded or discharges original lubricating oil, the lubricating oil moves from the inner cavity to the thin-wall oil guide part and forces the thin-wall oil guide part to deform towards the oil overflow groove, so that the lubricating oil can be smoothly guided out by communicating the inner cavity with the outside. Because the opening of the oil overflow groove is arranged at the bottom of the cover body, and the opening of the inner cavity and the outside is also arranged at the bottom of the cover body, the outer wall surface of the cover body is still closed, and the external impurities are reduced from entering the inner cavity from the periphery of the cover body.

2. When the lubricating oil is replaced, the foreign matters are reduced from entering the cover body from the overflow port, and the service life of the stabilizer bar assembly is prolonged; meanwhile, the lubricating oil overflow device has a good lubricating oil overflow effect and is convenient to replace lubricating oil.

3. Even if external impurities impact the thin-wall oil guide part, acting force towards the interior of the cover body is only applied to the thin-wall oil guide part, so that the thin-wall oil guide part deforms towards the interior of the cover body, the attaching degree of the thin-wall oil guide part and the shell is increased, and the dustproof effect is improved.

Drawings

FIG. 1 is a schematic view showing the overall structure of a dust cap according to a first embodiment;

FIG. 2 is a cross-sectional view of a dust cap according to the first embodiment;

FIG. 3 is a schematic view of another angle of the dust cap according to the first embodiment;

FIG. 4 is an enlarged view of portion A of FIG. 3;

FIG. 5 is a top view of the dust cap of the first embodiment;

fig. 6 is a cross-sectional view of a stabilizer bar assembly of a second embodiment of the present invention.

In the figure: 1. a cover body; 11. an inner cavity; 2. a convex ring; 3. a framework; 21. an oil overflow groove; 211. a thin-wall oil guide part; 12. an oil guide groove; 212. a circular arc guide surface; 4. positioning the projection; 5. a stabilizer bar; 6. a ball seat; 7. a ball pin; 61. a groove; 13. a through hole; 8. and (7) closing the plate.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example one

Referring to fig. 1 and 2, for the utility model discloses a dust cover, including the cover body 1 that has inner chamber 11 and the bulge loop 2 of integrated into one piece in cover body 1 bottom. The cover body 1 and the convex ring 2 are made of rubber materials and have deformability, and a framework 3 is arranged in the convex ring 2.

Referring to fig. 3 and 4, the bottom surface of the convex ring 2 is provided with two oil overflow grooves 21 along the circumferential surface thereof, and a thin-wall oil guide portion 211 is formed between the oil overflow grooves 21 and the inner cavity 11 to isolate the oil overflow grooves 21 from the inner cavity 11. The side of the oil overflow groove 21 away from the thin-wall oil guide part 12 is communicated with the outside.

The oil groove 12 has been seted up to the inner wall of the cover body 1, leads oil groove 12 a lateral wall to extend to the thin wall and leads oil portion 211, and leads one side that oil groove 12 deviates from inner chamber 11 to be the flaring form.

Referring to fig. 4 and 5, two opposite side walls of the oil overflow groove 21 are arc guide surfaces 212; the angle alpha between the centerlines of the two oil sumps 21 is 30-60 deg., and alpha is preferably 45 deg. in this embodiment.

Referring to fig. 1, a positioning protrusion 4 is integrally formed on the top surface of the convex ring 2 between the two oil overflow grooves 21.

Example two

Referring to fig. 6, for the utility model discloses a stabilizer bar assembly for a vehicle, including stabilizer bar 5, connect respectively in two ball seats 6 (only show the ball seat 6 of stabilizer bar one end in the figure), one end is spacing in ball seat 6 and the other end stretches out ball seat 6's bulb round pin and embodiment one in the dust cover.

The upper end of the ball seat 6 is provided with a groove 61 for clamping the convex ring 2, and the bottom surface of the convex ring 2 is tightly attached to the bottom wall of the groove 61; the through-hole 13 that supplies bulb round pin upper end to wear to establish is seted up at the dust cover top, and the pore wall butt of bulb round pin upper end periphery wall and through-hole 13. A closing plate 8 is riveted and fixed on the bottom surface of the ball seat 6.

The principle of the utility model is that: when the lubricating oil is replaced, new lubricating oil enters from the bottom of the ball seat 6, the old lubricating oil is forced to enter the inner cavity 11 of the dust cover and move towards the oil guide groove 12, the thin-wall oil guide part 211 is forced to deform towards the oil overflow groove 21, the oil guide groove 12 is communicated with the outside, and the lubricating oil can be smoothly guided out from the inner cavity 11.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (9)

1. A dust cover, including the cover body (1) that has inner chamber (11) and connect in protruding ring (2) of cover body (1) bottom, its characterized in that: the bottom surface of the convex ring (2) is provided with at least one oil overflow groove (21) along the circumferential surface, a thin-wall oil guide part (211) is formed between the oil overflow groove (21) and the inner cavity (11), and the oil overflow groove (21) is isolated from the inner cavity (11) by the thin-wall oil guide part (211).

2. The dust cap of claim 1, wherein: oil guide groove (12) have been seted up to the cover body (1) inner wall, oil guide groove (12) a lateral wall extends to oil portion (211) is led to the thin wall.

3. The dust cap of claim 2, wherein: one side of the oil guide groove (12) departing from the inner cavity (11) is in a flaring shape.

4. The dust cap of claim 1, wherein: one side of the oil overflow groove (21) far away from the thin-wall oil guide part (211) is communicated with the outside.

5. The dust cap of claim 4, wherein: two opposite side walls of the oil overflow groove (21) are arc guide surfaces (212).

6. The dust cap of claim 1, wherein: the bottom surface of the convex ring (2) is provided with two oil overflow grooves (21) along the circumferential surface.

7. The dust cap of claim 6, wherein: the included angle alpha between the central lines of the two oil overflow grooves (21) is 30-60 degrees.

8. The dust cap of claim 6, wherein: and a positioning bulge (4) is arranged on the top surface of the convex ring (2) between the oil overflow grooves (21).

9. An automobile stabilizer bar assembly, its characterized in that: comprising a dust cap according to any of claims 1-8.

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