CN212899379U

CN212899379U - Deep groove ball bearing convenient to fix

Info

Publication number: CN212899379U
Application number: CN202021564911.4U
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 technology field specifically is a deep groove ball bearing convenient to it is fixed, including outer lane and inner circle, the length of inner circle is greater than the length of outer lane, rotates between outer lane and the inner circle and is provided with the steel ball, has cup jointed the holder on the steel ball, is provided with the sealing washer between outer lane and the inner circle, and the brake block groove has been seted up to the lateral surface of inner circle, and the inside activity in brake block groove is provided with the brake ring, and the medial surface of brake ring is provided with the brake ring installation piece, is formed with the brake ring breach on the brake. The utility model discloses the length of inner circle is greater than the length of outer lane, and the lateral surface symmetry of inner circle is provided with the brake ring, improves the agility and the flexibility of installation, and the sealing washer can prevent effectively that lubricating grease is excessive, promotes the leakproofness, goes up the roughness of channel and lower channel internal surface and is less than or equal to 1 mu m, promotes deep groove ball bearing moving efficiency and precision, and the radial play scope is 8um ~28um, has increased the elastic deformation volume that the measurement load produced, prolongs the life of bearing.

Description

Deep groove ball bearing convenient to fix

Technical Field

The utility model relates to a deep groove ball bearing especially relates to a deep groove ball bearing convenient to it is fixed, belongs to bearing technical field.

Background

The deep groove ball bearing is the most common type of rolling bearing, is the rolling bearing which is most widely applied, can be used on a machine element bearing radial load or combined load acted simultaneously in the radial direction and the axial direction, and can also be used on a machine element bearing axial load;

the basic deep groove ball bearing is composed of an outer ring, an inner ring, a group of steel balls and a group of retainers, the deep groove ball bearing is of a single-row type and a double-row type, the deep groove ball structure is also divided into a sealing structure and an open type structure, the open type structure means that the bearing is not provided with a sealing structure, and the sealing type deep groove balls are divided into a dustproof sealing structure and an oil-proof sealing structure;

the deep groove ball bearing is mainly used for bearing radial load, but is also commonly used for bearing radial and axial composite load, the common deep groove ball bearing 88512 is usually fixed on the outer side surface of an inner ring, and is often required to be knocked with force in the installation process, so that the precision is often damaged or broken, the service life of the deep groove ball bearing is seriously influenced and reduced, the installation difficulty is improved, and the dustproof sealing cover material of the conventional deep groove ball bearing 88512 is stamped by a steel plate, so that only the effect of simply preventing dust from entering a bearing raceway and cannot prevent lubricating grease in the bearing from overflowing is achieved;

therefore, there is a need for an improved inner ring of the deep groove ball bearing 88512 to solve the above existing problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a deep groove ball bearing convenient to it is fixed, the length of inner circle is greater than the length of outer lane, and the lateral surface symmetry of inner circle is provided with the brake ring, improves the agility and the flexibility of installation, and the sealing washer can prevent lubricating grease excessive effectively, promotes the leakproofness.

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

a deep groove ball bearing convenient to fix comprises an outer ring and an inner ring, wherein the length of the inner ring is larger than that of the outer ring, a plurality of steel balls which are uniformly distributed are rotatably arranged between the outer ring and the inner ring, a retainer is sleeved on the plurality of steel balls, a sealing ring is fixedly arranged between the outer ring and the inner ring, sealing ring grooves are symmetrically formed in the inner side surface of the outer ring, and a sealing block matched with the sealing ring grooves for use is fixedly arranged at one end of the sealing ring;

the brake ring comprises an inner ring and an outer ring, wherein brake sheet grooves are symmetrically distributed on the outer side surface of the inner ring, a brake ring is movably arranged in each brake sheet groove, a brake ring mounting block matched with the brake sheet grooves is fixedly arranged on the inner side surface of the brake ring, and a brake ring notch is formed in the brake ring.

Preferably, the inner side surface of the outer ring is provided with an upper channel matched with the steel ball for use, the joint of the inner side surface of the inner ring and the steel ball is provided with a lower channel matched with the steel ball for use.

Preferably, protective rings are symmetrically arranged at the joint of the retainer and the steel ball, rivets are fixedly arranged between every two protective rings, and the number of the rivets is consistent with that of the steel ball.

Preferably, a support ring is fixedly arranged on the outer side surface of the sealing ring, and an installation handle is fixedly arranged on the support ring.

Preferably, the sealing ring is made of nitrile rubber.

Preferably, the size of the steel ball is 15 in the middle, the inner diameter of the inner ring is 60 in the middle, and the outer diameter of the outer ring is 110 in the middle.

Preferably, the roughness of the inner surfaces of the upper channel and the lower channel is less than or equal to 1 μm.

Preferably, the radial clearance range between every two steel balls is 8 um-28 um.

The utility model discloses possess following beneficial effect at least:

1. the length of the inner ring is larger than that of the outer ring, the brake rings are symmetrically arranged on the outer side face of the inner ring, the deep groove ball bearing can be directly fixed on the outer side face of the inner ring, and therefore on one hand, installation rapidity is improved, and on the other hand, installation flexibility is improved.

2. The fixed lock ring that is provided with of lateral surface of sealing washer, the fixed installation handle that is provided with on the lock ring, the convenience is installed and is dismantled the sealing washer, conveniently adds lubricating oil, and the later stage of being convenient for is maintained, and hoisting device's practicality can prevent lubricating grease excessive simultaneously effectively, promotes the leakproofness.

3. The roughness of the inner surfaces of the upper channel and the lower channel is less than or equal to 1 mu m, the running efficiency of the deep groove ball bearing is improved, the abrasion of the steel ball can be reduced under the condition of lacking of lubricating oil, and the practicability of the device and the precision of the deep groove ball bearing are improved.

4. The radial clearance range between every two steel balls is 8 um-28 um, so that the elastic deformation generated by measuring load is increased, and the service life of the bearing is prolonged.

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 a perspective view of the present invention;

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

FIG. 3 is a perspective view of the brake ring of the present invention;

fig. 4 is a perspective view of the sealing ring of the present invention.

In the figure, 1-outer ring, 101-upper channel, 103-sealing ring groove, 2-inner ring, 201-lower channel, 202-brake pad groove, 3-retainer, 301-rivet, 302-protective ring, 4-steel ball, 5-sealing ring, 501-sealing block, 502-supporting ring, 503-mounting handle, 6-brake ring, 601-brake ring mounting block and 602-brake ring notch.

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. 1-4, in the deep groove ball bearing convenient to fix provided in this embodiment, the outer ring 1 and the inner ring 2, the length of the inner ring 2 is greater than that of the outer ring 1, the deep groove ball bearing can be used by fixing the inner ring 2, so as to improve the efficiency and stability of rotation, ten steel balls 4 uniformly distributed are rotatably arranged between the outer ring 1 and the inner ring 2, a retainer 3 is sleeved on the ten steel balls 4 to improve the stability of transmission, a seal ring 5 is fixedly arranged between the outer ring 1 and the inner ring 2, seal ring grooves 103 are symmetrically arranged on the inner side surface of the outer ring 1, a seal block 501 matched with the seal ring grooves 103 is fixedly arranged at one end of the seal ring 5, the seal ring 5 is a seal ring made of nitrile rubber, a support ring 502 is fixedly arranged on the outer side surface of the seal ring 5, an installation handle 503 is fixedly arranged on, lubricating oil is conveniently added, later maintenance is convenient, the practicability of the device is improved, the sealing effect on the whole deep groove ball bearing is achieved by inserting 501 into the sealing ring groove 103, and the sealing performance of the deep groove ball bearing is improved;

evenly distributed's brake disc groove 202 has been seted up to the lateral surface of inner circle 2, the inside activity of brake disc groove 202 is provided with brake ring 6, the fixed brake ring installation piece 601 that is provided with and cooperatees with brake disc groove 202 of medial surface of brake ring 6 uses, be formed with brake ring breach 602 on the brake ring 6, evenly distributed's brake disc groove 202 has been seted up to the lateral surface of inner circle 2, can place a brake ring 6 or place two brake rings 6 on the brake disc groove, be formed with brake ring breach 602 on the brake ring 6, conveniently fix two sides of deep groove ball bearing, promote the efficiency of installation, brake ring installation piece 601 promotes the stability of brake ring.

In this embodiment, as shown in fig. 1 and 2, the inner side surface of the outer ring 1 is provided with an upper groove 101 matched with the steel ball 4 for use, the joint of the inner side surface of the inner ring 2 and the steel ball 4 is provided with a lower groove 201, the lower groove 201 is matched with the steel ball 4 for use, the roughness of the inner surfaces of the upper groove 101 and the lower groove 201 is less than or equal to 1 μm, the operation efficiency of the deep groove ball bearing is improved, the abrasion of the steel ball caused by the lack of lubricating oil is prevented, the roughness of the inner surfaces of the upper groove 101 and the lower groove 201 is less than or equal to 1 μm, the practicability of the device is improved, and the precision.

In this embodiment, as shown in fig. 1 and 2, protective rings 302 are symmetrically arranged at the connection position of the retainer 3 and the steel ball 4, rivets 301 are fixedly arranged between every two protective rings 302, the number of the rivets 301 is consistent with that of the steel ball 4, and the running speed and stability are improved.

In this embodiment, as shown in fig. 1, the size of the steel ball 4 is in the middle of 15, the inner diameter of the inner ring 2 is in the middle of 60, the outer diameter of the outer ring 1 is in the middle of 110, the application range of the deep groove ball bearing is expanded, and the practicability is improved.

In the embodiment, as shown in fig. 1, the radial play range between every two steel balls 4 is 8um to 28um, so that the elastic deformation amount generated by the measurement load is increased, and the service life of the bearing is prolonged.

As shown in fig. 1 to 4, the principle of the deep groove ball bearing convenient to fix provided by the present embodiment is as follows:

the length of the inner ring 2 is larger than that of the outer ring 1, the deep groove ball bearing can be used by fixing the inner ring 2, the rotating efficiency and stability are improved, ten steel balls 4 which are uniformly distributed are rotatably arranged between the outer ring 1 and the inner ring 2, a retainer 3 is sleeved on the ten steel balls 4, the transmission stability is improved, 501 is inserted into a sealing ring groove 103 to seal the whole deep groove ball bearing, a mounting handle 503 is fixedly arranged on a supporting ring 502 to facilitate mounting and dismounting of a sealing ring 5 and adding of lubricating oil, later maintenance is facilitated, brake pad grooves 202 which are symmetrically distributed are formed in the outer side surface of the inner ring 2, one brake ring 6 or two brake rings 6 can be placed on each brake ring 202, a brake ring notch 602 is formed in each brake ring 6 to facilitate fixing of two side surfaces of the deep groove ball bearing, the efficiency of promotion installation, the stability of brake ring is promoted to brake ring installation piece 601, and the radial play scope between every two steel balls 4 is 8um ~28um, has increased the elastic deformation volume that the measurement load produced.

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. The deep groove ball bearing convenient to fix comprises an outer ring (1) and an inner ring (2), and is characterized in that the length of the inner ring (2) is greater than that of the outer ring (1), a plurality of steel balls (4) which are uniformly distributed are rotatably arranged between the outer ring (1) and the inner ring (2), a retainer (3) is sleeved on the plurality of steel balls (4), a sealing ring (5) is fixedly arranged between the outer ring (1) and the inner ring (2), sealing ring grooves (103) are symmetrically formed in the inner side surface of the outer ring (1), and a sealing block (501) matched with the sealing ring grooves (103) for use is fixedly arranged at one end of the sealing ring (5);

the brake pad groove (202) is symmetrically distributed on the outer side surface of the inner ring (2), the brake ring (6) is movably arranged in the brake pad groove (202), a brake ring mounting block (601) matched with the brake pad groove (202) in use is fixedly arranged on the inner side surface of the brake ring (6), and a brake ring notch (602) is formed in the brake ring (6).

2. The deep groove ball bearing facilitating fixing of claim 1, wherein: the inner side surface of the outer ring (1) is provided with an upper channel (101) matched with the steel ball (4) for use, the joint of the inner side surface of the inner ring (2) and the steel ball (4) is provided with a lower channel (201), and the lower channel (201) is matched with the steel ball (4) for use.

3. The deep groove ball bearing facilitating fixing of claim 1, wherein: protective rings (302) are symmetrically arranged at the joint of the retainer (3) and the steel ball (4), rivets (301) are fixedly arranged between every two protective rings (302), and the number of the rivets (301) is consistent with that of the steel balls (4).

4. The deep groove ball bearing facilitating fixing of claim 1, wherein: the outer side surface of the sealing ring (5) is fixedly provided with a supporting ring (502), and the supporting ring (502) is fixedly provided with an installation handle (503).

5. The deep groove ball bearing facilitating fixing of claim 1, wherein: the sealing ring (5) is made of nitrile rubber.

6. The deep groove ball bearing facilitating fixing of claim 1, wherein: the size of steel ball (4) is in the quarter 15, the internal diameter size of inner circle (2) is in the quarter 60, the external diameter size of outer lane (1) is in the quarter 110.

7. The deep groove ball bearing facilitating fixing of claim 2, wherein: the roughness of the inner surfaces of the upper channel (101) and the lower channel (201) is less than or equal to 1 [ mu ] m.

8. The deep groove ball bearing facilitating fixing of claim 1, wherein: every two the radial play range between steel ball (4) is 8um ~28 um.