CN212429512U

CN212429512U - Sliding bearing with self-lubricating structure

Info

Publication number: CN212429512U
Application number: CN202021149447.2U
Authority: CN
Inventors: 杨忠林
Original assignee: Jiashan Huihong Bearing Co ltd
Current assignee: Jiashan Huihong Bearing Co ltd
Priority date: 2020-06-19
Filing date: 2020-06-19
Publication date: 2021-01-29
Anticipated expiration: 2030-06-19

Abstract

The utility model discloses a slide bearing with self-lubricating structure, include the race ring and be located bearing inner race in the race ring, the race ring with be equipped with a plurality of evenly distributed's steel ball between the bearing inner race, the inner wall of race ring seted up rather than assorted annular oil duct, just be equipped with a plurality of evenly distributed on the race ring and be located the oil feed tank that annular oil duct is connected, the shaft hole has been seted up at the middle part in the bearing inner race, the inner wall in shaft hole encircles the oilhole that is equipped with a plurality of evenly distributed. Has the advantages that: be convenient for refuel the operation from the outside of bearing, the convenience is lubricated the steel ball, simultaneously through being provided with a plurality of oilholes, can add lubricating oil in the oil flow passageway to on entering into the steel ball through the oil flow passageway, further promote the evenly distributed of lubricating oil on the axle sleeve, play even lubricated effect, reduce the frictional force of part and axle sleeve, realized the effect of lubricating oil circulation, thereby further play even lubricated effect.

Description

Sliding bearing with self-lubricating structure

Technical Field

The utility model relates to a slide bearing technical field particularly, relates to a slide bearing with self-lubricating structure.

Background

The sliding friction occurs during the operation of the sliding bearing, the magnitude of the sliding friction depends mainly on the manufacturing precision, and the magnitude of the sliding friction depends mainly on the material of the sliding surface of the bearing and the self-lubricating function of the working surface of the sliding bearing.

The sliding bearing working surface in the prior art has relatively poor self-lubricating effect and has improved space.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

To the problem in the correlation technique, the utility model provides a slide bearing with self-lubricating structure to overcome the above-mentioned technical problem that current correlation technique exists.

Therefore, the utility model discloses a specific technical scheme as follows:

the utility model provides a slide bearing with self-lubricating structure, includes the race ring and is located bearing inner race in the race ring, the race ring with be equipped with a plurality of evenly distributed's steel ball between the bearing inner race, the inner wall of race ring seted up rather than assorted annular oil duct, just be equipped with a plurality of evenly distributed on the race ring and be located the oil feed tank that annular oil duct is connected, the shaft hole has been seted up at the middle part in the bearing inner race, the inner wall in shaft hole encircles the oilhole that is equipped with a plurality of evenly distributed, the oilhole is kept away from one side in shaft hole all is equipped with runs through the oil flow passageway of bearing inner race ring, be equipped with the oil groove that is circular structure in the bearing inner race, the oil groove with.

Preferably, the inner wall of the bearing ring and the outer wall of the bearing inner ring are both provided with self-lubricating sliding layers which are in contact with the steel balls.

Preferably, the bearing ring is arranged on the annular oil duct and is provided with a plurality of oil storage tanks which are uniformly distributed.

Preferably, the oil storage tank is filled with a solid lubricant, and the solid lubricant is made of graphite.

Preferably, the outer surface of the bearing inner ring is provided with a sealing cover matched with the bearing inner ring, and the sealing cover is connected with the bearing inner ring through a locking bolt.

Preferably, the inner diameter of the bearing inner ring is larger than the diameter of the sealing cover.

The utility model has the advantages that: be convenient for refuel the operation from the outside of bearing, the convenience is lubricated the steel ball, simultaneously through being provided with a plurality of oilholes, can add lubricating oil in the oil flow passageway to on entering into the steel ball through the oil flow passageway, further promote the evenly distributed of lubricating oil on the axle sleeve, play even lubricated effect, reduce the frictional force of part and axle sleeve, realized the effect of lubricating oil circulation, thereby further play even lubricated effect.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of a sliding bearing having a self-lubricating structure according to an embodiment of the present invention.

In the figure:

1. a bearing ring; 2. a bearing inner race; 3. steel balls; 4. an annular oil passage; 5. an oil inlet groove; 6. a shaft hole; 7. an oil hole; 8. a flow oil passage; 9. an oil sump; 10. a self-lubricating sliding layer; 11. an oil storage tank; 12. a solid lubricant; 13. and (7) sealing the cover.

Detailed Description

For further explanation of the embodiments, the drawings are provided as part of the disclosure and serve primarily to illustrate the embodiments and, together with the description, to explain the principles of operation of the embodiments, and to provide further explanation of the invention and advantages thereof, it will be understood by those skilled in the art that various other embodiments and advantages of the invention are possible, and that elements in the drawings are not to scale and that like reference numerals are generally used to designate like elements.

According to the utility model discloses an embodiment provides a slide bearing with self-lubricating structure.

The first embodiment;

as shown in fig. 1, according to the utility model discloses slide bearing with self-lubricating structure, include race ring 1 and be located race ring 2 in race ring 1, race ring 1 with be equipped with a plurality of evenly distributed's steel ball 3 between race ring 2, race ring 1's inner wall seted up rather than assorted annular oil duct 4, just be equipped with a plurality of evenly distributed on race ring 1 and be located oil feed tank 5 that annular oil duct 4 is connected, shaft hole 6 has been seted up at the middle part in race ring 2, the inner wall encircleing of shaft hole 6 is equipped with a plurality of evenly distributed's oilhole 7, oilhole 7 is kept away from one side in shaft hole 6 all is equipped with the running through race ring 2's oil passageway 8, be equipped with the oil groove 9 that is circular structure in race ring 2, oil groove 9 with running oil passageway 8 is connected.

Example two;

as shown in fig. 1, the inner wall of the bearing ring 1 and the outer wall of the bearing inner ring 2 are both provided with a self-lubricating sliding layer 10 contacting with the steel balls 3, the bearing ring 1 is located on the annular oil passage 4, a plurality of oil storage grooves 11 which are uniformly distributed are formed in the bearing ring, the oil storage grooves 11 are filled with a solid lubricant 12, and the solid lubricant 12 is made of graphite. It can be seen from the above design that through the design of the oil storage tank 11 and the solid lubricant 12, the graphite has an oil absorption function at normal temperature, and has an oil discharge function after the temperature rises, thereby preventing the loss of the lubricating oil.

Example three;

as shown in fig. 1, a sealing cover 13 matched with the bearing inner ring 2 is arranged on the outer surface of the bearing inner ring 2, the sealing cover 13 is connected with the bearing inner ring 2 through a locking bolt, and the inner diameter of the bearing inner ring 2 is larger than the diameter of the sealing cover 13. The design of the sealing cover 13 is relatively conventional and will not be described in detail.

For the convenience of understanding the technical solution of the present invention, the following detailed description is made on the working principle or the operation mode of the present invention in the practical process.

When in actual application, add annular oil duct 4 from a plurality of oil feed grooves 5 with lubricating oil in for the lubricating oil of joining then enters into steel ball 3 through annular oil duct 4 on, the outer wall of steel ball 3 contacts with self-lubricating sliding layer 10, thereby lubricate steel ball 3, and can add lubricating oil in flowing oil passageway 8, and store in oil groove 9, thereby enter into steel ball 3 through flowing oil passageway 8 on, through setting up two sets of lubricated passageways, the lubrication effect has been improved effectively.

To sum up, with the help of the utility model discloses an above-mentioned technical scheme is convenient for refuel the operation from the outside of bearing, and the convenience is lubricated steel ball 3, simultaneously through being provided with a plurality of oilholes 7, can add lubricating oil in flowing oil passageway 8 to on entering into steel ball 3 through flowing oil passageway 8, further promote the evenly distributed of lubricating oil on the axle sleeve, play even lubricated effect, reduce the frictional force of part with the axle sleeve, realized the effect of lubricating oil circulation, thereby further play even lubricated effect.

The above description is only a preferred embodiment of the present invention, and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The sliding bearing with the self-lubricating structure is characterized by comprising a bearing ring (1) and a bearing inner ring (2) positioned in the bearing ring (1), wherein a plurality of uniformly distributed steel balls (3) are arranged between the bearing ring (1) and the bearing inner ring (2), the inner wall of the bearing ring (1) is provided with an annular oil duct (4) matched with the inner wall of the bearing ring, the bearing ring (1) is provided with a plurality of uniformly distributed oil inlet grooves (5) connected with the annular oil duct (4), the middle part in the bearing inner ring (2) is provided with a shaft hole (6), the inner wall of the shaft hole (6) is provided with a plurality of uniformly distributed oil holes (7) in an encircling manner, one side of each oil hole (7) far away from the shaft hole (6) is provided with an oil flowing channel (8) penetrating through the bearing inner ring (2), and an oil groove (9) with a circular structure is arranged in the bearing inner ring (2, the oil groove (9) is connected with the oil flow channel (8).

2. A sliding bearing with self-lubricating structure according to claim 1, characterized in that the inner wall of the bearing ring (1) and the outer wall of the bearing inner ring (2) are provided with self-lubricating sliding layers (10) in contact with the steel balls (3).

3. A sliding bearing with self-lubricating structure according to claim 1, characterized in that the bearing ring (1) is provided with a plurality of oil storage grooves (11) uniformly distributed on the annular oil passage (4).

4. A sliding bearing with self-lubricating structure according to claim 3, characterized in that the oil reservoir (11) is filled with a solid lubricant (12), and the solid lubricant (12) is graphite.

5. A plain bearing with self-lubricating structure according to claim 1, characterised in that the outer surface of the inner bearing ring (2) is provided with a sealing cover (13) matching therewith, the sealing cover (13) being connected to the inner bearing ring (2) by means of a locking bolt.

6. A plain bearing with self-lubricating structure according to claim 5, characterised in that the inner diameter of the inner bearing ring (2) is greater than the diameter of the sealing cover (13).