CN212899381U

CN212899381U - Deep groove ball bearing capable of preventing lubricating oil from overflowing

Info

Publication number: CN212899381U
Application number: CN202021576783.5U
Authority: CN
Inventors: 徐向军
Original assignee: Zhenjiang Zetai Bearing Co ltd
Current assignee: Zhenjiang Zetai Bearing Co ltd
Priority date: 2020-07-31
Filing date: 2020-07-31
Publication date: 2021-04-06
Anticipated expiration: 2030-07-31

Abstract

The utility model relates to a bearing technical field specifically is a prevent excessive deep groove ball bearing of lubricating oil, including outer lane and inner circle, be provided with the sealing washer between outer lane and the inner circle, the upper end of sealing washer is provided with second sealing connection piece, and the lower extreme of sealing washer is provided with first sealing connection piece, and the top of first sealing connection piece is provided with the dismantlement handle on the sealing washer, and a side of dismantling the handle is provided with the sealing washer supporting shoe, rotates between outer lane and the inner circle and is provided with ten steel balls, has cup jointed the holder on the steel ball. The utility model discloses the upper end and the lower extreme of sealing washer are connected with outer lane and inner circle respectively, promote deep groove ball bearing's leakproofness and deep groove ball bearing's life, and the notes fat volume of dismantling handle interpolation lubricating oil is 40% ~60%, promotes the convenience that later stage dimension was protected, and the sealing washer is sunken in the lateral surface of outer lane and inner circle, hoisting device's leakproofness, and the warp direction internal clearance scope is 13um ~28um, extension bearing's life.

Description

Deep groove ball bearing capable of preventing lubricating oil from overflowing

Technical Field

The utility model relates to a deep groove ball bearing especially relates to a prevent excessive deep groove ball bearing of lubricating oil, belongs to technical field.

Background

The function of the bearing is to support the shaft and the parts rotating on the shaft to keep a certain rotating precision and bear load, and simultaneously, the bearing is also used for reducing friction and abrasion caused between relative rotating parts, the bearing can be divided into a sliding bearing and a rolling bearing according to the working property of the bearing, the rolling bearing is a commonly used supporting part in various machines, most of the sliding bearings are used on mechanical equipment with high speed, heavy load, larger impact load or particularly high requirement on the rotating precision of the shaft, and particularly the sliding bearings are required to adopt a split structure;

single-row radial ball bearing, characteristics: mainly bear radial load, require the big application scenario of rigidity of axle: the models on the gearbox and main shaft indicate: for the 6305 type, however, the existing 6305 type deep groove ball bearing usually has no sealing ring, or the existing sealing ring is directly attached to two sides of the deep groove ball bearing by metal through processing, which only plays a role of dust prevention, and cannot play a decisive role in overflow of lubricating oil, and moreover, lubricating oil needs to be added continuously in the later period to ensure normal operation of the deep groove ball bearing, and if the lubricating oil is not added for a long time, the lubricating oil is lost, so that abrasion is generated between steel balls, and the service life of the deep groove ball bearing is reduced;

therefore, there is a need for an improvement of 6305 deep groove ball bearing to solve the above existing problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a prevent excessive deep groove ball bearing of lubricating oil, the upper end and the lower extreme of sealing washer all are connected with outer lane and inner circle, promote deep groove ball bearing's leakproofness and deep groove ball bearing's life, through dismantling the convenient dismantlement of handle and add lubricating oil, promote later maintenance's convenience.

In order to achieve the above object, the utility model discloses a main technical scheme include:

a deep groove ball bearing for preventing lubricating oil from overflowing comprises an outer ring and an inner ring, wherein a sealing ring is fixedly arranged between the outer ring and the inner ring, a second sealing connecting block is fixedly arranged at the upper end of the sealing ring, a first sealing connecting block is fixedly arranged at the lower end of the sealing ring, a first sealing groove matched with the second sealing connecting block for use is formed in the inner side surface of the outer ring, a second sealing groove matched with the second sealing connecting block for use is formed in the inner side surface of the inner ring, a disassembling handle is fixedly arranged on the sealing ring above the first sealing connecting block, and a sealing ring supporting block is fixedly arranged on one side surface of the disassembling handle;

a plurality of steel balls which are uniformly distributed are rotatably arranged between the outer ring and the inner ring, and a retainer is sleeved on each steel ball.

Preferably, the inner side surface of the outer ring is provided with an upper slideway matched with the steel ball for use.

Preferably, a lower slideway matched with the steel ball is arranged at the joint of the inner side surface of the inner ring and the steel ball.

Preferably, a rivet is fixedly arranged on the retainer between every two steel balls, the rivet penetrates through the retainer and is fixedly connected with the retainer, and protective rings are fixedly arranged on the retainer on two sides of each steel ball.

Preferably, the sealing ring is made of nitrile rubber, and the sealing ring is recessed in the outer side surface of the outer ring and the outer side surface of the inner ring.

Preferably, the radial clearance range between every two steel balls is 13 um-28 um.

Preferably, the grease injection amount between the two sealing rings ranges from 40% to 60%.

Preferably, the size of the steel ball is 11.5 in the middle, the inner diameter of the inner ring is 25 in the middle, and the outer diameter of the outer ring is 62 in the middle.

The utility model discloses possess following beneficial effect at least:

1. the upper end and the lower end of the sealing ring are respectively connected with the outer ring and the inner ring, so that the sealing performance of the deep groove ball bearing and the service life of the deep groove ball bearing are improved.

2. Conveniently dismantle through dismantling the handle and add lubricating oil, once only pour into 40% ~60% notes fat volume, can use longer time, avoid adding lubricating oil repeatedly, promote the convenience that later stage maintained.

3. The sealing ring is made of nitrile rubber, is recessed in the outer side faces of the outer ring and the inner ring, and is prevented from being scraped by objects in the use and storage processes, so that the disassembly handle is pulled out, lubricating oil overflows, and the sealing performance and the safety of the device are improved.

4. The both sides of steel ball are fixed on the retainer and are provided with the guard ring, prevent that the steel ball extrusion is in the same place, guarantee that the warp direction internal clearance range between per two steel balls is 13um ~28um, increased the elastic deformation volume that the measurement load produced, prolong the life of bearing.

Drawings

The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:

FIG. 1 is an exploded view of the present invention;

fig. 2 is a cross-sectional view of the present invention;

fig. 3 is a cross-sectional view of the sealing ring of the present invention.

In the figure, 1-an outer ring, 101-an upper slideway, 102-a first sealing groove, 2-an inner ring, 201-a lower slideway, 202-a second sealing groove, 3-a retainer, 301-a rivet, 302-a protective ring, 4-a steel ball, 5-a sealing ring, 501-a disassembly handle, 502-a first sealing connecting block, 503-a second sealing connecting block and 504-a sealing ring supporting block.

Detailed Description

Embodiments of the present application will be described in detail with reference to the drawings and examples, so that how to implement technical means to solve technical problems and achieve technical effects of the present application can be fully understood and implemented.

As shown in fig. 1-3, the deep groove ball bearing for preventing lubricant from overflowing provided by this embodiment includes an outer ring 1 and an inner ring 2, a seal ring 5 is fixedly disposed between the outer ring 1 and the inner ring 2, a second seal connection block 503 is fixedly disposed at an upper end of the seal ring 5, a first seal connection block 502 is fixedly disposed at a lower end of the seal ring 5, a first seal groove 102 used in cooperation with the second seal connection block 503 is disposed on an inner side surface of the outer ring 1, a second seal groove 202 used in cooperation with the second seal connection block 503 is disposed on an inner side surface of the inner ring 2, an upper end and a lower end of the seal ring are respectively fixedly connected to the outer ring 1 and the inner ring 2, on one hand, the sealing performance of the deep groove ball bearing is improved, the lubricant in the deep groove ball bearing is prevented from overflowing, on the other hand, the service life of, lubricating oil is conveniently added, the later maintenance rate is increased, and therefore the service life of the deep groove ball bearing is prolonged, a sealing ring supporting block 504 is fixedly arranged on one side face of the dismounting handle 501, on one hand, the sealing performance of the device is improved, on the other hand, the supporting effect is achieved, and meanwhile, the mounting is convenient;

a plurality of steel balls 4 which are uniformly distributed are rotatably arranged between the outer ring 1 and the inner ring 2, the retainer 3 is sleeved on the steel balls 4, the manufacturing cost is low, and the running speed and the running stability are improved.

In this embodiment, as shown in fig. 1, an upper chute 101 matched with the steel ball 4 is formed on the inner side surface of the outer ring 1, and a lower chute 201 matched with the steel ball 4 is formed at the joint of the inner side surface of the inner ring 2 and the steel ball 4, so that the steel ball 4 can rotate inside the upper chute 101 and the lower chute 201, the operation efficiency is improved, and the operation efficiency is improved.

In this embodiment, as shown in fig. 1 and 2, a rivet 301 is fixedly disposed on the retainer 3 between every two steel balls 4, the rivet 301 penetrates through the retainer 3 and is fixedly connected with the retainer 3, and the two sides of each steel ball 4 are fixedly provided with a protective ring 302 on the retainer 3 to prevent the steel balls from being extruded together, so that the radial clearance range between every two steel balls 4 is ensured to be 13um to 28um, the elastic deformation generated by the measurement load is increased, and the service life of the bearing is prolonged.

In this embodiment, as shown in fig. 1, fig. 2, and fig. 3, the seal ring 5 is a seal ring made of nitrile rubber, and the seal ring 5 is recessed in the outer side surfaces of the outer ring 1 and the inner ring 2, so as to prevent the disassembly handle 501 from being cut and rubbed by objects during use and storage, which results in the disassembly handle 501 being pulled out, lubricating oil overflowing, and improving the sealing performance and practicability of the device.

In this embodiment, as shown in fig. 1, the range of the grease injection amount between the two seal rings 5 is 40% -60%, and the grease injection amount of 40% -60% is injected at one time, so that the grease can be used for a long time, repeated addition of lubricating oil is avoided, and convenience in later maintenance is improved.

As shown in fig. 1 to 3, the principle of the deep groove ball bearing for preventing the lubricant from overflowing provided by the present embodiment is as follows:

a sealing ring 5 is fixedly arranged between the outer ring 1 and the inner ring 2, a second sealing connecting block 503 is arranged at the upper end of the sealing ring 5, a first sealing connecting block 502 is fixedly arranged at the lower end of the sealing ring, a first sealing groove 102 matched with the second sealing connecting block 503 for use is arranged on the inner side surface of the outer ring 1, a second sealing groove 202 matched with the second sealing connecting block 503 for use is arranged on the inner side surface of the inner ring 2, the upper end and the lower end of the sealing ring are respectively connected with the outer ring 1 and the inner ring 2, the sealing performance of the deep groove ball bearing and the service life of the deep groove ball bearing are improved, a disassembling handle 501 is fixedly arranged on the sealing ring 5 above the first sealing connecting block 502, lubricating oil is conveniently added, the later maintenance speed is improved, a sealing ring supporting block 504 is fixedly arranged on one side surface of the disassembling handle 501, the sealing performance of the device, the retainer 3 is sleeved on the steel ball 4, the steel ball 4 can rotate in the upper slideway 101 and the lower slideway 201, the manufacturing cost is low, the running speed and the running stability are improved, rivets 301 are fixedly arranged on the retainer 3 between every two steel balls 4, the rivets 301 penetrate through the retainer 3 and are fixedly connected with the retainer 3, the radial clearance range between every two steel balls 4 is 13 um-28 um, the elastic deformation amount generated by measuring load is increased, the service life of a bearing is prolonged, the grease injection amount range between two sealing rings 5 is 40% -60%, the grease injection amount is injected at one time, the service life is long, repeated addition of lubricating oil is avoided, and the convenience of later maintenance is improved.

As used in the specification and in the claims, certain terms are used to refer to particular components. As one skilled in the art will appreciate, manufacturers may refer to a component by different names. This specification and claims do not intend to distinguish between components that differ in name but not function. In the following description and in the claims, the terms "include" and "comprise" are used in an open-ended fashion, and thus should be interpreted to mean "include, but not limited to. "substantially" means within an acceptable error range, and a person skilled in the art can solve the technical problem within a certain error range to achieve the technical effect basically.

It is noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a good or system that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such good or system. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of additional like elements in the article or system in which the element is included.

While the foregoing description shows and describes several preferred embodiments of the invention, it is to be understood, as noted above, that the invention is not limited to the forms disclosed herein, but is not intended to be exhaustive or to exclude other embodiments and may be used in various other combinations, modifications, and environments and is capable of changes within the scope of the inventive concept as expressed herein, commensurate with the above teachings, or the skill or knowledge of the relevant art. But that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention, which is to be limited only by the claims appended hereto.

Claims

1. A deep groove ball bearing for preventing lubricating oil from overflowing comprises an outer ring (1) and an inner ring (2), it is characterized in that a sealing ring (5) is fixedly arranged between the outer ring (1) and the inner ring (2), the upper end of the sealing ring (5) is fixedly provided with a second sealing connecting block (503), the lower end of the sealing ring (5) is fixedly provided with a first sealing connecting block (502), the inner side surface of the outer ring (1) is provided with a first sealing groove (102) which is matched with the second sealing connecting block (503) for use, the inner side surface of the inner ring (2) is provided with a second sealing groove (202) matched with the second sealing connecting block (503) for use, a disassembly handle (501) is fixedly arranged on the sealing ring (5) above the first sealing connecting block (502), a sealing ring supporting block (504) is fixedly arranged on one side surface of the disassembly handle (501);

a plurality of steel balls (4) which are uniformly distributed are rotatably arranged between the outer ring (1) and the inner ring (2), and the steel balls (4) are sleeved with a retainer (3).

2. The deep groove ball bearing preventing the overflow of the lubricating oil as claimed in claim 1, wherein: and the inner side surface of the outer ring (1) is provided with an upper slideway (101) matched with the steel ball (4) for use.

3. The deep groove ball bearing preventing the overflow of the lubricating oil as claimed in claim 1, wherein: and a lower slideway (201) matched with the steel ball (4) for use is formed at the joint of the inner side surface of the inner ring (2) and the steel ball (4).

4. The deep groove ball bearing preventing the overflow of the lubricating oil as claimed in claim 1, wherein: every two rivets (301) are fixedly arranged on the retainer (3) between the steel balls (4), the rivets (301) penetrate through the retainer (3) and are fixedly connected with the retainer (3), and protective rings (302) are fixedly arranged on the retainer (3) on two sides of each steel ball (4).

5. The deep groove ball bearing preventing the overflow of the lubricating oil as claimed in claim 1, wherein: the sealing ring (5) is made of nitrile rubber, and the sealing ring (5) is recessed in the outer side surface of the outer ring (1) and the outer side surface of the inner ring (2).

6. The deep groove ball bearing preventing the overflow of the lubricating oil as claimed in claim 1, wherein: every two the radial play range between steel balls (4) is 13um ~28 um.

7. The deep groove ball bearing preventing the overflow of the lubricating oil as claimed in claim 1, wherein: the range of the grease injection amount between the two sealing rings (5) is 40% -60%.

8. The deep groove ball bearing preventing the overflow of the lubricating oil as claimed in claim 1, wherein: the size of steel ball (4) is in 11.5 in the future, the internal diameter of inner circle is in 25 in the future, the external diameter of outer lane is in 62 in the future.