CN212615907U

CN212615907U - High-speed mute precision bearing retainer

Info

Publication number: CN212615907U
Application number: CN202020543089.7U
Authority: CN
Inventors: 雷周亮; 王新军; 潘加杰; 方洁平
Original assignee: Jiaxing Leite Precision Bearing Co ltd
Current assignee: Jiaxing Leite Precision Bearing Co ltd
Priority date: 2020-04-14
Filing date: 2020-04-14
Publication date: 2021-02-26
Anticipated expiration: 2030-04-14

Abstract

The utility model discloses a high-speed silence precision bearing holder belongs to bearing holder technical field, which comprises an outer ring, there are a plurality ofly outer draw-in groove and outer draw-in groove of the inside fixedly connected with in outer lane, the inside detachable connection of outside has the inner circle, draw-in groove and interior draw-in groove have a plurality ofly in the outer circle outer fixed surface is connected with, the outer lane has bolt an and bolt an to run through with the inner circle is inside to have a plurality ofly, bolt an is located the draw-in groove both sides, bolt an top can be dismantled and be connected with nut an, nut an bottom can be dismantled with the outer lane and be connected, outer surface mounting has. The utility model relates to a high-speed accurate bearing holder of silence has the wearing layer, and life is longer, and the radiating effect is good simultaneously, prevents that the high temperature from causing the bearing to damage, also can prevent that the dust from getting into the noise reduction.

Description

High-speed mute precision bearing retainer

Technical Field

The utility model relates to a bearing holder technical field especially relates to a high-speed accurate bearing holder of silence.

Background

The working requirements of the high-speed mute precision bearing are that the rotating speed is more than 8000r/min, the high-speed rotating work is carried out, the radial clearance of the bearing is less than 0.0015mm, and the vibration acceleration limit value is 1230 and 4060ii m/s. The inner diameter of a finished bearing product of the high-speed mute precision bearing is generally 1050mm, and the bearing is mainly a small-size bearing and a medium-size bearing; according to the national standard, the small-sized bearings are 60006006, 62006205, 63006305 and the like, and the medium-sized bearings are 60076010, 62066210, 63066310 and the like. At present, the retainer of the high-speed mute precision bearing has larger noise due to high-speed rotation in the using process.

Patent No. 201821424208.6 discloses a bearing retainer, including first holder, the front end of first holder is provided with the second holder, and one side of first holder is provided with the third holder, the front end of third holder is provided with the fourth holder, and the surface of fourth holder has seted up the fourth ball groove, first ball groove has been seted up to the surface of first holder, the second ball groove has been seted up to the surface of second holder, the third ball groove has been seted up to the surface of third holder. The utility model discloses a be provided with a series of structures and make this device convenient to detach and equipment ball in the use to can be when one of them holder takes place to damage convenient recycle remaining three holder, improve economic benefits, can also effectually prevent to rust to die between ball and the bearing holder to ball dropwise add lubricating oil in the bearing, optimize the use.

The bearing cage of the above-mentioned technology has the following disadvantages: 1. the bearing retainer is not provided with a reinforcing device, so that the stability is poor, the bearing retainer can be damaged during use, and meanwhile, the bearing retainer is not provided with a wear-resistant layer, so that the service life is short; 2. when the retainer ball groove is used, the heat dissipation effect is poor, the dustproof effect is not achieved, dust easily enters the interior of the retainer ball groove to cause the inner ball to be blocked, and meanwhile, noise cannot be reduced.

SUMMERY OF THE UTILITY MODEL

The utility model provides a high-speed accurate bearing holder of silence has the wearing layer, and life is longer, and the radiating effect is good simultaneously, prevents that the high temperature from causing the bearing to damage, also can prevent that the dust from getting into the noise reduction.

The utility model provides a specific technical scheme as follows:

the utility model provides a pair of high-speed silence precision bearing holder, which comprises an outer ring, there are a plurality ofly in the outside outer fixedly connected with draw-in groove and the outer draw-in groove of outer lane, the inside inner circle that can dismantle of outside, draw-in groove and interior draw-in groove have a plurality ofly in the outer circle outer fixed surface connected with, the outer lane has a plurality ofly with inside running through of inner circle bolt an and bolt, bolt a is located the draw-in groove both sides, bolt a top can be dismantled and be connected with nut an, nut an bottom can be dismantled with the outer lane and be connected, the outer surface mounting of outer lane has.

Optionally, the surfaces of the two sides of the retainer are detachably connected with sound-insulation dust covers, the surface of the retainer is provided with a ball groove, a hole is formed in the ball groove, a bolt b penetrates through the retainer, the top end of the bolt b is detachably connected with a nut b, and the bolt b and the nut b are multiple.

Optionally, the surface of the retainer is coated with a wear-resistant layer.

Optionally, the surfaces of the bolt a and the bolt b are both provided with screw threads, the surfaces of the nut a and the nut b are provided with holes, the holes penetrate through the nut a and the nut b, and the holes are internally provided with threads.

The utility model has the advantages as follows:

the embodiment of the utility model provides a high-speed silence precision bearing holder:

1. the outer clamping grooves on the inner surface of the outer ring correspond to the inner clamping grooves on the outer surface of the inner ring in position and can be matched together to form a pocket hole, balls can be placed in the pocket hole, a plurality of bolts a penetrate through the inner parts of the outer ring and the inner ring, the bolts a fix the outer ring and the inner ring together, nuts a are detachably connected to the tops of the bolts a, holes are formed in the surfaces of the nuts a, threads are formed in the surfaces of the holes and the surfaces of the bolts, the bolts a penetrate through the holes to be connected with the nuts a through threaded fit, the outer ring and the inner ring are fixed together, the structure is stable and firm, the damage cannot be caused during use, the cost is reduced, meanwhile, the outer ring is detachably connected with the retainer, bolts b penetrate through the inner parts of the retainer, the top ends of the bolts b are fixedly connected with the, the outer ring and the inner part are damaged, the service life is long, and meanwhile, the wear-resistant layer is sprayed on the outer part of the retainer, so that the wear resistance can be improved, and the service life of the retainer is prolonged.

2. The ball groove that the holder surface was seted up enables the ball and rolls in the ball inslot, can produce a large amount of heats when the ball rolls fast, can cause ball and holder to damage, the hole has been seted up on ball groove surface, the hole can reduce area of contact, reduce the friction rate, can accelerate heat to give off simultaneously, and the improvement life, the shield that gives sound insulation is installed to the holder both sides simultaneously, the shield that gives sound insulation can the noise reduction, prevent bearing during operation noise production, influence people, also can prevent that the dust from falling into the ball inslot in the holder, cause the ball to block up and can not roll, cause the bearing to damage, convenient dismantlement is convenient for to apply moist oil change toward inside simultaneously, convenient dismantlement is convenient for maintain simultaneously, the practicality of bearing is improved.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of 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 it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic view of an overall structure of a high-speed silent precision bearing retainer according to an embodiment of the present invention;

fig. 2 is a schematic view of an external structure of a retainer of a high-speed silent precision bearing retainer according to an embodiment of the present invention;

fig. 3 is a schematic view of an internal structure of a retainer of a high-speed silent precision bearing retainer according to an embodiment of the present invention;

in the figure: 1. an outer ring; 2. an outer clamping groove; 3. an inner ring; 4. an inner ring; 5. a bolt a; 6. a nut a; 7. A holder; 8. a sound-insulating dust-proof cover; 9. a bolt b; 10. a nut b; 11. a ball groove; 12. heat dissipation holes; 13. and a wear-resistant layer.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention clearer, the present invention will be described in further detail with reference to the accompanying drawings, 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 efforts belong to the protection scope of the present invention.

A high-speed silent precision bearing holder according to an embodiment of the present invention will be described in detail with reference to fig. 1 to 3.

Referring to fig. 1-3, the embodiment of the utility model provides a pair of high-speed silence precision bearing holder, including

outer lane

1, 1 inside fixedly connected with outer draw-in groove 2 of outer lane and outer draw-in groove 2 have a plurality ofly, 1 inside detachable inner circle 4 that is connected with of outer lane, 4 outer fixed surface of inner circle is connected with interior draw-in groove 3 and interior draw-in groove 3 has a plurality ofly, 1 and the inside bolt a5 and the bolt a5 of having run through of inner circle 4 of outer lane have a plurality ofly, bolt a5 is located outer draw-in

groove

2 and 3 both sides of interior draw-in groove, can dismantle on bolt a5 top and be connected with nut a6, nut a6 bottom can be dismantled with outer lane 1 and be connected, 1 surface mounting in outer lane.

The example, wearing layer 13 can improve wear-resisting effect, improves life, and louvre 12 has been seted up to ball groove 11 inside simultaneously for the radiating effect is good, prevents that the high temperature from causing the bearing to damage, and soundproof dust cover 10 can prevent that the dust from getting into the noise reduction.

Referring to fig. 2, sound-proof and dust-proof covers 8 are detachably connected to the surfaces of two sides of the holder 7, a ball groove 11 is formed in the surface of the holder 7, heat dissipation holes 12 are formed in the ball groove 11, a bolt b9 penetrates through the holder 7, a nut b10 is detachably connected to the top end of the bolt b9, and a plurality of bolts b9 and nuts b10 are provided.

The ball groove 11 that the example was seted up on the holder 7 surface enables the ball and rolls in ball groove 11, can produce a large amount of heats when the ball rolls fast, can cause ball and holder 7 to damage, and hole 12 has been seted up on ball groove 11 surface, and hole 12 can reduce area of contact, reduces the friction ratio, can accelerate the heat to give off simultaneously, improves life.

Referring to fig. 3, the surface of the retainer 7 is coated with a wear-resistant layer 13.

By way of example, the wear-resistant layer 13 is sprayed on the outer portion of the retainer 7, so that the wear resistance can be improved, and the service life of the retainer 7 is prolonged.

Referring to fig. 1, the surfaces of the bolt a5 and the bolt b9 are both threaded, the surfaces of the nut a6 and the nut b10 are both provided with holes, the holes penetrate through the insides of the nut a6 and the nut b10, and the insides of the holes are threaded.

In the illustrated example, a hole is formed in the surface of the nut a6, the surface of the hole and the surface of the bolt a5 are both provided with threads, and the bolt a5 penetrates through the hole to be connected with the nut a6 through threaded fit, so that the outer ring 1 and the inner ring 5 are fixed together, the structure is stable and firm, the damage cannot be caused during use, and the cost is reduced.

When the retainer is used, the outer clamping grooves 2 on the inner surface of the outer ring 1 correspond to the inner clamping grooves 3 on the outer surface of the inner ring 4 and can be matched together to form a pocket hole, balls can be placed in the pocket hole, meanwhile, bolts a5 penetrate through the inner parts of the outer ring 1 and the inner ring 4, a plurality of bolts a5 are arranged, the outer ring 1 and the inner ring 4 are fixed together through bolts a5, the top of the bolts a5 is detachably connected with nuts a6, holes are formed in the surfaces of the nuts a6, the surfaces of the holes and the surfaces of the bolts a5 are both provided with threads, through thread matching, the bolts a5 penetrate through the holes to be connected with the nuts a6, the outer ring 1 and the inner ring 5 are fixed together, the structure is stable and firm, the retainer 7 cannot be damaged during use, the cost is reduced, meanwhile, the retainer 7 is detachably connected to the outer parts of the outer ring 1 and the inner ring 4, bolts b9 penetrate through the inner part of the retainer 7, the structure is stable, the outer ring 1 and the inner part 4 are not easy to damage, the service life is long, meanwhile, the wear-resistant layer 13 is sprayed on the outer part of the retainer 7, the wear resistance can be improved, the service life of the retainer 7 is prolonged, the ball groove 11 formed on the surface of the retainer 7 can enable balls to roll in the ball groove 11, when the balls roll rapidly, a large amount of heat can be generated, the balls and the retainer 7 can be damaged, the heat dissipation holes 12 are formed on the surface of the ball groove 11, the heat dissipation holes 12 can reduce the contact area and reduce the friction rate, the heat dissipation can be accelerated, the service life is prolonged, meanwhile, the sound-insulating dustproof covers 8 are arranged on two sides of the retainer 7, the sound-insulating dustproof covers 8 can reduce the noise, the noise generated during the working of the bearing is prevented, people are influenced, the dust can be prevented from falling into the ball groove 11 in the retainer 7, the ball is blocked and can not roll, meanwhile, the bearing is integrally convenient to disassemble and maintain, and the practicability of the bearing is improved.

The utility model relates to a high-speed mute precision bearing retainer, which comprises a retainer 1 and an outer ring; 2. an outer clamping groove; 3. an inner ring; 4. an inner ring; 5. a bolt a; 6. a nut a; 7. a holder; 8. a sound-insulating dust-proof cover; 9. a bolt b; 10. a nut b; 11. a ball groove; 12. heat dissipation holes; 13. the wear layer, the component parts are all universal standard parts or components known to the person skilled in the art, the structure and the principle of which are known to the person skilled in the art by means of technical manuals or by means of routine experimentation.

It is apparent that those skilled in the art can make various changes and modifications to the embodiments of the present invention without departing from the spirit and scope of the embodiments of the present invention. Thus, if such modifications and variations of the embodiments of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. The utility model provides a high-speed silence precision bearing holder, includes outer lane (1), its characterized in that, outer lane (1) inside fixedly connected with outer draw-in groove (2) and outer draw-in groove (2) have a plurality ofly, outer lane (1) inside can be dismantled and be connected with inner circle (4), inner circle (4) outer fixed surface is connected with inner groove (3) and inner groove (3) have a plurality ofly, outer lane (1) and inner circle (4) inside run through have bolt a (5) and bolt a (5) have a plurality ofly, bolt a (5) are located outer draw-in groove (2) and inner groove (3) both sides, bolt a (5) top can be dismantled and be connected with nut a (6), nut a (6) bottom can be dismantled with outer lane (1) and be connected, outer lane (1) surface mounting has holder (7).

2. The high-speed mute precision bearing retainer according to claim 1, wherein the retainer (7) is detachably connected with a soundproof dust cap (8) on the surface of both sides, the retainer (7) is provided with a ball groove (11) on the surface, the ball groove (11) is provided with a heat dissipation hole (12) inside, the retainer (7) is provided with a bolt b (9) inside, the top end of the bolt b (9) is detachably connected with a nut b (10), and the bolt b (9) and the nut b (10) are provided with a plurality of bolts.

3. A high speed silent precision bearing cage according to claim 1, characterized in that the surface of the cage (7) is coated with a wear resistant layer (13).

4. The high-speed mute precision bearing retainer according to claim 1, wherein the surface of the bolt a (5) and the surface of the bolt b (9) are both threaded, the surface of the nut a (6) and the surface of the nut b (10) are provided with holes, the holes penetrate through the inside of the nut a (6) and the nut b (10), and the inside of the holes is threaded.