CN219809290U - High-temperature-resistant long-service-life engine bearing - Google Patents

Abstract

The utility model discloses a high-temperature-resistant long-life engine bearing, which comprises a bearing outer ring and a shaft rod inserted into the bearing outer ring, wherein the inner wall of the bearing outer ring is fixedly connected with a second oil seepage film layer, a plurality of groups of balls are arranged on the surface of the shaft rod, a first oil seepage film layer is arranged on the surface of the plurality of groups of balls, the inner wall of the first oil seepage film layer is fixedly connected with a bearing inner ring, and oil conveying channels are formed at the top and the bottom of the bearing outer ring, so that the problems that the bearing works for a long time in a high-temperature environment, oxidation and degradation of lubricating oil are accelerated at high temperature, the lubricating property is lost, bearing abrasion is aggravated, and even a clamping phenomenon occurs are solved.

Description

High-temperature-resistant long-service-life engine bearing

Technical Field

The utility model relates to the technical field of engine bearings, in particular to a high-temperature-resistant long-service-life engine bearing.

Background

Engine bearings are important components in engines, mainly for supporting and positioning rotating components of the engine, such as crankshafts, camshafts, etc.

The engine can produce a large amount of heat when working, leads to the temperature to be too high, makes the bearing carry out long-time work under high temperature environment, and the high temperature can make the oxidation and the degradation of lubricating oil accelerate, makes it lose lubricating property, leads to bearing wearing and tearing aggravation, appears the dead phenomenon even.

To this end, we propose a high temperature resistant long life engine bearing that solves the above problems.

Disclosure of Invention

The utility model aims to provide a high-temperature-resistant long-service-life engine bearing so as to solve the problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the high-temperature-resistant long-life engine bearing comprises a bearing outer ring and a shaft rod inserted in the bearing outer ring, wherein the inner wall of the bearing outer ring is fixedly connected with a second oil seepage film layer, a plurality of groups of balls are arranged on the surface of the shaft rod, a first oil seepage film layer is arranged on the surface of the plurality of groups of balls, the inner wall of the first oil seepage film layer is fixedly connected with a bearing inner ring, and oil conveying channels are formed in the top and the bottom of the bearing outer ring.

Preferably, the top and the bottom of the bearing outer ring are provided with connectors.

Preferably, the shaft is adapted to the inner diameter of the bearing inner ring.

Preferably, the plurality of groups of balls are circumferentially distributed with the bearing outer ring circle as the center.

Preferably, the surfaces of the first oil-penetrating film layer and the second oil-penetrating film layer are provided with a plurality of groups of grooves matched with the balls.

Preferably, the connection port covers the oil delivery passage opening.

Preferably, the bearing outer ring and the bearing inner ring are both made of aluminum alloy materials.

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

the input lubricating oil flows to the second oil-penetrating film layer through the oil conveying channel, is absorbed by the second oil-penetrating film layer, the lubricating oil in the second oil-penetrating film layer is fully absorbed into the second oil-penetrating film layer, the absorption of the lubricating oil is stopped at the moment, the conveying of the lubricating oil is stopped by the oil conveying pipe, the rolling balls continuously roll during operation, the rolling balls are in contact friction with the second oil-penetrating film layer while rolling, a large amount of lubricating oil is absorbed in the second oil-penetrating film layer, the rolling balls are in contact with the second oil-penetrating film layer, a large amount of lubricating oil is smeared on the rolling balls, oxidation and degradation of the lubricating oil of the rolling balls are caused at high temperature, the lubricating oil smearing of the rolling balls is carried out on the second oil-penetrating film layer at the moment, the phenomenon that the rolling balls lose lubricating performance is avoided, bearing abrasion is aggravated, even the phenomenon that the bearing is blocked is caused, long-time operation is carried out under the high temperature environment is solved, the problem that the lubricating oil is accelerated by oxidation and degradation of the high temperature, the bearing loses the lubricating performance, the bearing abrasion is caused, and even the phenomenon that is blocked.

Drawings

FIG. 1 is a schematic view of the present utility model in elevation and cross section;

fig. 2 is a schematic top view of the present utility model.

In the figure: 1. an outer ring of the bearing; 2. a shaft lever; 3. a ball; 4. a first oil-penetration film; 5. a bearing inner ring; 6. an oil delivery passage; 7. a second oil-penetration film; 8. and a connecting port.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. 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.

The utility model provides a technical scheme that: the utility model provides a high temperature resistant long-life engine bearing, including bearing outer loop 1 and insert the axostylus axostyle 2 of establishing in bearing outer loop 1 inside, during the use, accessible connector 8 external oil delivery pipe carries out the interpolation of lubricating oil, connector 8 covers oil delivery channel 6, the lubricating oil of input flows to second oil-permeable film layer 7 through oil delivery channel 6, absorbed by second oil-permeable film layer 7, the lubricating oil is whole to be absorbed in the second oil-permeable film layer 7, the lubricating oil in the second oil-permeable film layer 7 is in saturated state, stop the absorption to lubricating oil this moment, the oil delivery pipe stops the transport to lubricating oil.

Specifically, referring to fig. 1-2, when the whole device works, the balls 3 roll continuously, the balls 3 contact and rub with the second oil-penetrating film 7 while rolling, a large amount of lubricating oil is absorbed in the second oil-penetrating film 7, a large amount of lubricating oil is smeared on the balls 3 when the balls 3 contact with the second oil-penetrating film 7, oxidation and degradation of the lubricating oil of the balls 3 are caused by high temperature, the second oil-penetrating film 7 smears the lubricating oil on the surfaces of the balls 3 at any time, the phenomenon that the balls 3 lose lubricating performance, bearing abrasion is aggravated and even seizing occurs is avoided, the first oil-penetrating film 4 can absorb redundant lubricating oil on the surfaces of the balls 3, the absorption stability is ensured, the inner diameter of the bearing inner ring 5 is matched with the shaft lever 2, and the connection of the shaft lever 2 is realized.

Specifically, referring to fig. 1-2, the bearing outer ring 1 and the bearing inner ring 5 are made of aluminum alloy, so that the strength is ensured, and meanwhile, the heat dissipation effect is strong.

Working principle: the external oil delivery pipe of connector 8 accessible carries out the interpolation of lubricating oil, connector 8 covers oil delivery passageway 6, the lubricating oil of input flows through oil delivery passageway 6 to second oil-permeable film layer 7, by the absorption of second oil-permeable film layer 7, the whole absorption to the lubricating oil that absorbs to second oil-permeable film layer 7 in, lubricating oil in the second oil-permeable film layer 7 is in saturated state this moment, the delivery pipe stops the transport to lubricating oil, whole in the during operation, ball 3 carries out continuous rolling, ball 3 contacts friction with second oil-permeable film layer 7 in the rolling, a large amount of lubricating oil has been absorbed in second oil-permeable film layer 7, ball 3 and second oil-permeable film layer 7 are to smearing a large amount of lubricating oil on the ball 3 when contacting, high temperature leads to the oxidation and the degradation of ball 3 lubricating oil, second oil-permeable film layer 7 carries out lubricating oil to ball 3 surface constantly, avoid ball 3 to lose lubricating property, lead to the bearing wear, even appear dead phenomenon, first oil-permeable film layer 4 also can inhale the lubricating oil on 3 surface, guarantee absorbing stability, bearing inner diameter 5 and 2 looks adaptation, the bearing 2 realizes that is good to have high temperature, the effect of heat dissipation and wear and high temperature, the bearing is realized, the bearing is difficult to be connected, and the bearing is high temperature and the bearing is difficult to realize, the high temperature is difficult to realize, and the high thermal-conductive performance is difficult to be connected, and the bearing is easy to be connected, and is high in the bearing is easy to be high in the quality, and the quality is easy to be high in the quality and the bearing is easy to be worn down and even to be easy to and even to and easy to and even to be worn.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (7)

1. High temperature resistant long-life engine bearing, including bearing outer ring (1) and insert and establish at inside axostylus axostyle (2) of bearing outer ring (1), its characterized in that: the bearing outer ring (1) inner wall fixedly connected with second oil seepage film layer (7), axostylus axostyle (2) surface is equipped with multiunit ball (3), and multiunit ball (3) surface is equipped with first oil seepage film layer (4), first oil seepage film layer (4) inner wall fixedly connected with bearing inner ring (5), oil transportation passageway (6) have been seted up at bearing outer ring (1) top and bottom.

2. The high temperature resistant long life engine bearing of claim 1 wherein: connecting ports (8) are formed in the top and the bottom of the bearing outer ring (1).

3. The high temperature resistant long life engine bearing of claim 1 wherein: the shaft rod (2) is matched with the inner diameter of the bearing inner ring (5).

4. The high temperature resistant long life engine bearing of claim 1 wherein: the plurality of groups of balls (3) are circumferentially distributed with the round shape of the bearing outer ring (1) as the center.

5. The high temperature resistant long life engine bearing of claim 1 wherein: the surfaces of the first oil seepage film layer (4) and the second oil seepage film layer (7) are provided with a plurality of groups of grooves matched with the balls (3).

6. The high temperature resistant long life engine bearing of claim 2 wherein: the connecting port (8) covers the opening of the oil conveying channel (6).

7. The high temperature resistant long life engine bearing of claim 1 wherein: the bearing outer ring (1) and the bearing inner ring (5) are both made of aluminum alloy materials.