CN216589604U

CN216589604U - High-precision oil-retaining bearing for automobile

Info

Publication number: CN216589604U
Application number: CN202123313939.8U
Authority: CN
Inventors: 石新成; 孙明
Original assignee: Changzhou Huifeng Powder Metallurgy Co ltd
Current assignee: Changzhou Huifeng Powder Metallurgy Co ltd
Priority date: 2021-12-27
Filing date: 2021-12-27
Publication date: 2022-05-24
Anticipated expiration: 2031-12-27

Abstract

The utility model discloses a high accuracy is oiliness bearing for car, include: the outer surface of the porous plastic bearing main body is connected with a metal backing, a shaft hole is axially formed in the porous plastic bearing main body, the lower end of the porous plastic bearing main body is integrally and fixedly connected with an installation plate, and the lower end face of the installation plate is fixedly connected with a limiting check ring; the oil storage assembly is arranged inside the porous plastic bearing main body, a first connecting groove is circumferentially connected between the monomers of the oil storage assembly, a second connecting groove is axially connected between the monomers of the oil storage assembly, and the oil storage assembly is composed of an oil storage groove, an oil return hole and tin bronze powder. This oiliness bearing for high accuracy car, lubricating oil circulation effect is better, and conveniently carries out even lubrication to the bearing internal surface, and the oil return effect is better simultaneously, has solved the relatively poor problem of the effect of connection of current oiliness bearing and axle bed.

Description

High-precision oil-retaining bearing for automobile

Technical Field

The utility model relates to a car oiliness bearing correlation technique field specifically is a high accuracy is oiliness bearing for car.

Background

The powder metallurgy oil-retaining bearing is a sliding bearing which is made of porous materials and has lubricating oil stored in pores, and is commonly used in automobile rotating shaft parts, but most of the powder metallurgy oil-retaining bearings in the market still have some defects, such as the defects;

if the utility model with the authority bulletin number of CN211901297U discloses an automobile oil-retaining bearing convenient to assemble, which comprises a body, wherein a high-temperature resistant layer is fixedly welded on the outer surface of the body, a wear-resistant layer is fixedly welded on the inner wall of the body, a shaft hole is drilled in the body, a groove is formed in the inner wall of the wear-resistant layer, an oil-containing hole is drilled in the body, an oil-containing hole is drilled in the high-temperature resistant layer, an oil-containing hole is drilled in the wear-resistant layer, a gasket is fixedly welded at the lower end of the body, the wear-resistant layer is fixedly welded on the inner wall of the body, and the high-temperature resistant layer is fixedly welded on the outer surface of the body, so that the wear resistance and the high temperature resistance of the body can be improved, the service life of the body is prolonged, and the oil storage capacity of the body can be increased due to the design of the groove; by pouring tin bronze powder into the oil-containing hole, the oil content of the oil-containing hole can be increased, lubricating oil is prevented from being frequently added, and the design of the gasket can limit the moving position of the oil-containing bearing;

however, the above prior art scheme has poor circulation effect of the lubricating oil when in use, is inconvenient to uniformly lubricate the inner surface of the bearing, has poor oil return effect, and has poor connection effect with the shaft seat, so that the high-precision automobile oil-containing bearing is provided, so as to solve the problems mentioned above.

SUMMERY OF THE UTILITY MODEL

For solving the problem that provides in the above-mentioned background art, the utility model provides a high accuracy is oiliness bearing for car has and changes original oiliness bearing lubricating oil circulation effect when using not good, and inconvenient evenly lubricates the bearing internal surface, and the oil return effect is relatively poor, simultaneously with the relatively poor characteristics of the effect of being connected of axle bed.

In order to achieve the above object, the utility model provides a following technical scheme: a high-precision oil-retaining bearing for an automobile, comprising:

the outer surface of the porous plastic bearing main body is connected with a metal backing, a shaft hole is axially formed in the porous plastic bearing main body, the lower end of the porous plastic bearing main body is integrally and fixedly connected with an installation plate, the lower end face of the installation plate is fixedly connected with a limiting check ring, and a threaded installation hole is longitudinally formed in the installation plate;

the oil storage assembly is arranged inside the porous plastic bearing main body, a first connecting groove is circumferentially connected between the single bodies of the oil storage assembly, and a second connecting groove is axially connected between the single bodies of the oil storage assembly.

By adopting the technical scheme, the porous plastic bearing main body plays a role in storing oil, and plays a role in connecting the porous plastic bearing main body and the bearing seat through the mounting plate and the threaded mounting hole.

As the preferred technical scheme of the utility model, the connected mode between porous plastic bearing main part and the metal backing is nested formula fixed connection.

By adopting the technical scheme, the metal backing plays a role in supporting and reinforcing the porous plastic bearing main body, and the bearing capacity of the porous plastic bearing main body is improved.

As the utility model discloses a preferred technical scheme, the mounting panel all is the rectangle setting with the cross section of spacing retaining ring, and spacing retaining ring fixed connection is at the lower extreme outer fringe position of mounting panel.

Adopt above-mentioned technical scheme, connect in the outer end of bearing frame through spacing retaining ring block, make the connection effect of mounting panel and bearing frame better.

As the utility model discloses a preferred technical scheme, hold oily subassembly by hold oil groove, oil gallery and tin bronze powder and constitute:

the oil storage groove is formed in the porous plastic bearing main body at an equal angle along the vertical central line of the porous plastic bearing main body;

the oil return hole is connected to one end, close to the vertical center line of the porous plastic bearing main body, of the oil storage groove;

and tin bronze powder filled in the oil storage groove.

By adopting the technical scheme, the oil storage assembly has the function of improving the oil storage capacity of the porous plastic bearing main body.

As the utility model discloses an preferred technical scheme, hold oil groove and oil gallery all from last evenly distributed extremely down in the inside of porous plastic bearing main part, and the inner surface of oil gallery is the arc setting.

Adopt above-mentioned technical scheme, play the effect of producing oil through the oil gallery, all make the oil production even from last evenly distributed down in porous plastic bearing main part through hold oil groove and oil gallery.

As the utility model discloses a preferred technical scheme, first spread groove and second spread groove are all seted up at the internal surface of porous plastic bearing main part and are connected between the oil gallery monomer.

By adopting the technical scheme, the first connecting groove and the second connecting groove have the function of dispersing oil discharged from the oil return hole, so that the lubricating oil is uniformly distributed on the inner surface of the porous plastic bearing main body.

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

1. the utility model discloses a through being provided with oil gallery, first spread groove and second spread groove, all set up at the internal surface of porous plastic bearing main part and connect between the oil gallery monomer through first spread groove and second spread groove, play the effect that the dispersed oil gallery goes out oil, make lubricating oil distribute more evenly at the internal surface of porous plastic bearing main part, solved current oily bearing when using problem that the lubricating oil circulation effect is not good;

2. the utility model discloses a setting is provided with oil storage groove, oil gallery and tin bronze powder, and the interior of porous plastic bearing main part is seted up along the vertical central line of porous plastic bearing main part equiangularly through oil storage groove, and the internal surface of oil gallery is the arc setting and can make things convenient for inflow and outflow of lubricating oil, and then conveniently evenly lubricate the bearing internal surface, and the oil return effect is better;

3. the utility model discloses a be provided with the mounting panel, spacing retaining ring and screw thread mounting hole, cross section through mounting panel and spacing retaining ring all is the rectangle setting, and spacing retaining ring fixed connection is at the lower extreme outer fringe position of mounting panel, when being connected this bearing with the bearing frame, the outside at the bearing frame connection position is connected to the spacing retaining ring block of mounting panel lower extreme, when passing through screw thread mounting hole and bearing frame bolted connection with the mounting panel, spacing retaining ring can disperse the atress of screw thread mounting hole, make the connection effect better, the relatively poor problem of the effect of being connected of current oiliness bearing and axle bed has been solved.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic view of the front cross-sectional structure of the present invention;

FIG. 2 is a schematic view of the connection structure of the mounting plate and the limit retainer ring;

FIG. 3 is a schematic top view of the cross-sectional structure of the present invention;

fig. 4 is an enlarged schematic structural view of a portion a in fig. 1 according to the present invention.

In the figure: 1. a porous plastic bearing body; 2. a metal backing; 3. a shaft hole; 4. mounting a plate; 5. a limit retainer ring; 6. an oil storage assembly; 601. an oil storage tank; 602. an oil return hole; 603. tin bronze powder; 7. a first connecting groove; 8. a second connecting groove; 9. and (4) a threaded mounting hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides the following technical solutions: a high-precision oil-retaining bearing for an automobile, comprising: the bearing comprises a porous plastic bearing main body 1, a metal backing 2, a shaft hole 3, a mounting plate 4, a limiting retainer ring 5, an oil storage assembly 6, a first connecting groove 7, a second connecting groove 8 and a threaded mounting hole 9;

as shown in attached

drawings

1 and 2, a mounting plate 4 is fixedly connected to the lower end of a porous plastic bearing main body 1 in an integrated manner, the cross sections of the mounting plate 4 and a limiting check ring 5 are both rectangular, the limiting check ring 5 is fixedly connected to the outer edge part of the lower end of the mounting plate 4, when the bearing is connected with a bearing seat, the limiting check ring 5 at the lower end of the mounting plate 4 is connected to the outer side of the connecting part of the bearing seat in a clamping manner, then the mounting plate 4 is connected with the bearing seat through a threaded mounting hole 9 in a bolt manner, the limiting check ring 5 is connected with the bearing seat in a clamping manner, the stress of the threaded mounting hole 9 is dispersed, the effect of strengthening connection and limiting is achieved, and the connection effect is better;

as shown in fig. 1 and fig. 3, a metal backing 2 is connected to the outer surface of a porous plastic bearing main body 1 in a nested manner, and a shaft hole 3 is axially formed in the porous plastic bearing main body 1, and the metal backing 2 plays a role in supporting and reinforcing the porous plastic bearing main body 1, so that the bearing capacity of the porous plastic bearing main body 1 can be effectively improved, as shown in fig. 1 and fig. 4, a first connecting groove 7 is circumferentially connected between single bodies passing through an oil return hole 602, and a second connecting groove 8 is axially connected between the single bodies of the oil return hole 602, so that the oil outlet of the oil return hole 602 is dispersed, and when lubricating oil flows out, the lubricating oil can be uniformly distributed on the inner surface of the porous plastic bearing main body 1 through the first connecting groove 7 and the second connecting groove 8;

as shown in fig. 1, fig. 3 and fig. 4, the oil storage groove 601 is arranged inside the porous plastic bearing body 1 at equal angles along the vertical center line of the porous plastic bearing body 1, the oil return hole 602 is connected to one end of the oil storage groove 601 close to the vertical center line of the porous plastic bearing body 1, the inner surface of the oil return hole 602 is arranged in an arc shape, when the bearing is heated by friction, the thermal expansion coefficient of the oil through the porous plastic bearing body 1 is different from that of the lubricating oil, so that the oil inside the oil storage groove 601 is squeezed into the friction surface through the oil return hole 602 during operation, the oil is sucked back into the oil storage groove 601 along with the temperature reduction during stop operation, the oil return hole 602 is arranged in an arc shape, so that the lubricating oil can flow in and flow out conveniently, and is filled and arranged inside the oil storage groove 601 through the tin bronze powder 603, so that the service time of the lubricating oil is prolonged, and the lubricating oil can be conveniently not added for a long time.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A high accuracy is oiliness bearing for car, its characterized in that includes:

the bearing comprises a porous plastic bearing main body (1), wherein the outer surface of the porous plastic bearing main body (1) is connected with a metal backing (2), a shaft hole (3) is axially formed in the porous plastic bearing main body (1), the lower end of the porous plastic bearing main body (1) is integrally and fixedly connected with a mounting plate (4), the lower end face of the mounting plate (4) is fixedly connected with a limiting check ring (5), and a threaded mounting hole (9) is longitudinally formed in the mounting plate (4);

the oil storage component (6) is arranged inside the porous plastic bearing main body (1), a first connecting groove (7) is circumferentially connected between the monomers of the oil storage component (6), and a second connecting groove (8) is axially connected between the monomers of the oil storage component (6).

2. The oil-impregnated bearing for high-precision automobile according to claim 1, characterized in that: the porous plastic bearing main body (1) and the metal backing (2) are fixedly connected in a nested manner.

3. The oil-impregnated bearing for high-precision automobile according to claim 1, characterized in that: mounting panel (4) all are the rectangle setting with the cross section of spacing retaining ring (5), and just spacing retaining ring (5) fixed connection is in the lower extreme outer fringe position of mounting panel (4).

4. The oil-impregnated bearing for high-precision automobile according to claim 1, characterized in that: the oil storage assembly (6) is composed of an oil storage tank (601), an oil return hole (602) and tin bronze powder (603):

an oil storage groove (601) which is formed inside the porous plastic bearing main body (1) at an equal angle along the vertical center line of the porous plastic bearing main body (1);

the oil return hole (602) is connected to one end, close to the vertical center line of the porous plastic bearing main body (1), of the oil storage groove (601);

and a tin bronze powder (603) which is filled in the oil storage tank (601).

5. The oil-impregnated bearing for high-precision automobile according to claim 4, wherein: the oil storage groove (601) and the oil return hole (602) are uniformly distributed in the porous plastic bearing main body (1) from top to bottom, and the inner surface of the oil return hole (602) is arc-shaped.

6. The oil-impregnated bearing for high-precision automobile according to claim 1, characterized in that: and the first connecting groove (7) and the second connecting groove (8) are both arranged on the inner surface of the porous plastic bearing main body (1) and connected between the oil return hole (602) monomers.