CN209943344U

CN209943344U - Dust protected bearing

Info

Publication number: CN209943344U
Application number: CN201920596638.4U
Authority: CN
Inventors: 陈开徐
Original assignee: Suzhou Xiaoshi Automation Technology Co Ltd
Current assignee: Suzhou Xiaoshi Automation Technology Co Ltd
Priority date: 2019-04-28
Filing date: 2019-04-28
Publication date: 2020-01-14
Anticipated expiration: 2029-04-28

Abstract

The utility model discloses a dust protected bearing, including the bearing inner race, the surface of bearing inner race is provided with the holder, the inside of holder sets up the ball, the surface cover of bearing inner race is equipped with the bearing inner race that is located the ball surface, the mounting groove has all been seted up on the left side and the right side on bearing inner race surface, the inside of mounting groove is provided with the shield that is located holder left side and right side. The utility model discloses a mounting groove carries out spacing installation to the shield, prevent the surface of dust infiltration bearing inner race through the sealing connection of bullet snap ring and seal groove simultaneously, the contact surface friction factor of bullet fastener and seal groove is low simultaneously and has improved the life of bullet fastener, the easy wearing and tearing of current shield bearing shield has been solved, the problem that the noise increased the wear area after the shield was installed to most bearings simultaneously, this dust protected bearing, it is little to possess the difficult wearing and tearing noise, the life of shield bearing has been improved.

Description

Dust protected bearing

Technical Field

The utility model relates to a bearing technical field specifically is a dust protected bearing.

Background

At present, a bearing used for a motor mainly comprises an inner ring, an outer ring, balls and a retainer, wherein sealing rings are arranged on two sides of the balls and between the inner ring and the outer ring. Because the working environment of the motor is severe and the rotating speed is high, dust easily enters between the inner ring and the outer ring of the bearing, the friction resistance of the bearing is increased, and the service life is reduced.

But current dust cover of dust bearing easily wears and teares, and the noise increaseed and improved the wear area behind the installation dust cover of most bearings simultaneously, has reduced bearing stability in use, and the junction of sneaking into the dust cover easily after most dust bearing dust piles up simultaneously increases the wearing and tearing of dust cover.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a dust protected bearing possesses the little advantage of difficult wearing and tearing noise, has solved the easy wearing and tearing of current dust proof bearing shield, and the noise strengthens the problem that has improved the wear area behind the installation shield for most bearings simultaneously.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a dust protected bearing, includes the bearing inner race, the surface of bearing inner race is provided with the holder, the inside of holder sets up the ball, the surface cover of bearing inner race is equipped with the bearing inner race that is located the ball surface, the mounting groove has all been seted up on the left side and the right side on bearing inner race surface, the inside of mounting groove is provided with the shield that is located holder left side and right side, the seal groove has all been seted up on the left side and the right side of bearing inner race inner wall, the surface and the inner wall soaking of shield are melted and are connected with the bullet snap.

Preferably, the top and the bottom of the shield outside are all fixedly connected with fixed rings, the outside fixedly connected with gasket of fixed ring, the outside fixedly connected with pull ring of gasket, the pull ring is provided with six, and six pull rings are equidistant annular setting.

Preferably, the oiling groove has been seted up to the inside of bearing inner race, the left side threaded connection of bearing inner race has the oiling mouth that is linked together with the oiling groove, the oil storage tank that is located the oiling groove bottom is seted up to the inside of bearing inner race.

Preferably, the outside fixedly connected with sealing ring of bullet snap ring, the material of bullet snap ring is elastic rubber, the inboard interference fit of seal groove inner wall has the sliding ring, the inner wall of sliding ring and the surperficial in close contact with of sealing ring.

Preferably, the outside threaded connection of seal groove inner wall has the anti-drop ring, the outside fixedly connected with disassembling rod of anti-drop ring, disassembling rod is provided with four, and four disassembling rods are the equidistance annular setting.

Preferably, the inner side of the dustproof cover is fixedly connected with sound-absorbing cotton which is arranged in a concave manner.

Compared with the prior art, the beneficial effects of the utility model are as follows:

1. the utility model discloses a mounting groove carries out spacing installation to the shield, prevent the surface of dust infiltration bearing inner race through the sealing connection of bullet snap ring and seal groove simultaneously, the contact surface friction factor of bullet fastener and seal groove is low simultaneously and has improved the life of bullet fastener, the easy wearing and tearing of current shield bearing shield has been solved, the problem that the noise increased the wear area after the shield was installed to most bearings simultaneously, this dust protected bearing, it is little to possess the difficult wearing and tearing noise, the life of shield bearing has been improved.

2. The utility model discloses because of the top in the shield outside and the solid fixed ring of the equal fixedly connected with in bottom, gu fixed ring's outside fixedly connected with gasket, the outside fixedly connected with pull ring of gasket, the pull ring is provided with six, and six pull rings are equidistance annular setting, this design is through solid fixed ring, the setting of gasket and pull ring, convenient to use person fixes the gasket through solid fixed ring, the gasket can prevent the inside of bearing accumulational dust infiltration mounting groove and seal groove simultaneously, the user can drive the gasket to the outside through outside pulling pull ring and remove to the outside, the gasket drives solid fixed ring and removes to the outside, gu fixed ring drives the shield to remove to the outside simultaneously and takes out the shield and changes, prevent.

3. The utility model discloses seted up the oil filler point because of the inside of bearing inner race, the left side threaded connection of bearing inner race has the glib talker that is linked together with the oil filler point, the oil storage tank that is located the oiling tank bottom is seted up to the inside of bearing inner race, this design is through the oil filler point, the setting of individual oil storage tank of glib talker, convenient to use person adds lubricating oil through the glib talker, the inside of simultaneously glib talker pouring lubricating oil into the oil filler point, get into the oil storage tank through the oil filler point and collect, all the other.

4. The utility model discloses because of the outside fixedly connected with sealing ring of bullet snap ring, the material of bullet snap ring is elastic rubber, and the inboard interference fit of seal groove inner wall has the sliding ring, and the inner wall of sliding ring and the surperficial in close contact with of sealing ring, the setting of sealing ring and sliding ring are passed through in this design, and convenient to use person prevents through the sliding ring that sealing ring and seal groove contact from producing the friction, improves the life of sealing ring through the sliding ring.

5. The utility model discloses there is the anti-drop ring because of the outside threaded connection of seal groove inner wall, the outside fixedly connected with dismounting rod of anti-drop ring, dismounting rod is provided with four, and four dismounting rods are equidistance annular setting, and this design is through the setting of anti-drop ring and dismounting rod, and the person of facilitating the use carries on spacingly to the sliding ring through the threaded connection of anti-drop ring and seal groove with anti-drop ring threaded installation, and the rotatory anti-drop ring of the person of facilitating the use of dismounting rod demolishs the anti-drop ring and changes the installation to the sliding ring simultaneously.

6. The utility model discloses inhale the sound cotton because of the inboard fixedly connected with of shield, inhale the cotton concave type setting that is of sound, this design absorbs the noise of bearing inner circle department through inhaling the sound cotton, reduces the noise propagation of bearing, and the cotton lubricating oil that can leak the inside of inhaling of concave type simultaneously is absorbed, prevents that lubricating oil from permeating outward to the bearing.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an enlarged view of the utility model at A;

fig. 3 is a left side view structural schematic diagram of the anti-falling ring of the present invention;

FIG. 4 is a left side view of the dust cap of the present invention;

fig. 5 is a left side view structure diagram of the sealing sheet of the present invention.

In the figure: 1 bearing inner race, 2 holders, 3 balls, 4 bearing outer races, 5 mounting grooves, 6 dust caps, 7 sealing grooves, 8 snap rings, 9 fixing rings, 10 sealing pieces, 11 pull rings, 12 oil injection grooves, 13 oil injection nozzles, 14 oil storage grooves, 15 sealing rings, 16 sliding rings, 17 anti-falling rings, 18 dismounting rods and 19 sound absorbing cotton.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, 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 work belong to the protection scope of the present invention.

Referring to fig. 1-5, a dustproof bearing comprises a bearing inner ring 1, a retainer 2 is arranged on the surface of the bearing inner ring 1, balls 3 are arranged inside the retainer 2, a bearing outer ring 4 positioned on the surface of the balls 3 is sleeved on the surface of the bearing inner ring 1, an oil injection groove 12 is arranged inside the bearing outer ring 4, an oil injection nozzle 13 communicated with the oil injection groove 12 is in threaded connection with the left side of the bearing outer ring 4, an oil storage groove 14 positioned at the bottom of the oil injection groove 12 is arranged inside the bearing outer ring 4, through the arrangement of the oil injection groove 12 and the oil storage grooves 14 of the oil injection nozzle 13, a user can conveniently add lubricating oil through the oil injection nozzle 13, meanwhile, the lubricating oil is injected into the oil injection groove 12 through the oil injection groove 12 and enters the oil storage groove 14 for collection, meanwhile, the rest of the lubricating oil permeates into the surface of the balls 3, mounting grooves 5 are, the inner part of the mounting groove 5 is provided with the dust caps 6 positioned at the left side and the right side of the retainer 2, because the top and the bottom at the outer side of the dust cap 6 are fixedly connected with the fixing rings 9, the outer side of the fixing ring 9 is fixedly connected with the sealing sheet 10, the outer side of the sealing sheet 10 is fixedly connected with the pull rings 11, the pull rings 11 are provided with six, and the six pull rings 11 are arranged in an equidistant ring shape, the design is convenient for a user to fix the sealing sheet 10 through the fixing rings 9 by the fixing rings 9, meanwhile, the sealing sheet 10 can prevent dust accumulated by a bearing from permeating into the mounting groove 5 and the sealing groove 7, meanwhile, the user can drive the sealing sheet 10 to move outwards by pulling the pull ring 11 outwards, the sealing sheet 10 drives the fixing rings 9 to move outwards, meanwhile, the fixing rings 9 drive, because the inner side of the dustproof cover 6 is fixedly connected with the sound absorption cotton 19, the sound absorption cotton 19 is arranged in a concave shape, the design absorbs the noise at the position of the bearing inner ring 1 through the sound absorption cotton 19, the noise transmission of the bearing is reduced, meanwhile, the sound absorption cotton 19 in the concave shape can absorb the lubricating oil leaked from the inside, and the lubricating oil is prevented from permeating to the outside of the bearing, the left side and the right side of the inner wall of the bearing outer ring 4 are respectively provided with the sealing groove 7, because the outer side of the inner wall of the sealing groove 7 is in threaded connection with the anti-falling ring 17, the outer side of the anti-falling ring 17 is fixedly connected with the dismounting rods 18, the dismounting rods 18 are four, and the four dismounting rods 18 are arranged in an annular shape with equal distance, the design limits the sliding ring 16 by the anti-falling ring 17 and the dismounting rods 18 through the threaded connection of the anti-falling ring 17 and the sealing groove 7, and simultaneously, the dismounting rods 18 are convenient for a user, the surface and the inner wall soaking of shield 6 are melted and are connected with bullet snap ring 8, outside fixedly connected with sealing ring 15 because of bullet snap ring 8, the material of bullet snap ring 8 is elastic rubber, the inboard interference fit of 7 inner walls in seal groove has sliding ring 16, the inner wall of sliding ring 16 and the surperficial in close contact with of sealing ring 15, sealing ring 15 and sliding ring 16's setting is passed through in this design, convenient to use person prevents through sliding ring 16 that sealing

ring

15 and 7 contacts production friction in seal groove, improve sealing ring 15's life through sliding ring 16.

During the use, the user makes sealing ring 15 and sliding ring 16 closely cooperate through the self elasticity of elasticity snap ring 8 and seals dustproofly, inhale sound cotton 19 simultaneously and can absorb the inside noise of bearing, sealing ring 15 is little with sliding ring 16's area of contact simultaneously, the coefficient of friction is low, the user removes anti-drop ring 17 through rotatory disassembling rod 18 simultaneously, anti-drop ring 17 removes the installation of being convenient for sliding ring 16 after removing, improve sliding ring 16's change convenience, simultaneously the dust of shield 6 is collected too much back accessible pull ring 11 and is demolishd shield 6 and pour out the dust, improve shield 6's life.

In summary, the following steps: this dust protected bearing carries out spacing installation to shield 6 through mounting groove 5, prevents the surface of dust infiltration bearing inner race 1 simultaneously through the sealing connection of bullet snap ring 8 with seal groove 7, and the contact surface friction coefficient of bullet fastener 8 and seal groove 7 is little simultaneously has improved the life of bullet fastener 8, has solved current shield of shield and has easily worn and torn, and the noise strengthens the problem that has improved the wear area behind the shield of installation for most bearings simultaneously.

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

Claims

1. The utility model provides a dust protected bearing, includes bearing inner race (1), its characterized in that: the surface of bearing inner race (1) is provided with holder (2), the inside of holder (2) sets up ball (3), the surperficial cover of bearing inner race (1) is equipped with bearing inner race (4) that are located ball (3) surface, mounting groove (5) have all been seted up on the left side and the right side on bearing inner race (1) surface, the inside of mounting groove (5) is provided with and is located shield (6) left side and right side, seal groove (7) have all been seted up on the left side and the right side of bearing inner race (4) inner wall, the surface and the inner wall soaking of shield (6) are melted and are connected with bullet snap ring (8).

2. A dust protected bearing according to claim 1, wherein: the utility model discloses a dustproof cover, including shield (6), the equal fixedly connected with in top and the bottom in shield (6) outside gu fixed ring (9), gu the outside fixedly connected with gasket (10) of fixed ring (9), the outside fixedly connected with pull ring (11) of gasket (10), pull ring (11) are provided with six, and six pull rings (11) are equidistance annular setting.

3. A dust protected bearing according to claim 1, wherein: oiling groove (12) have been seted up to the inside of bearing inner race (4), the left side threaded connection of bearing inner race (4) has oiling mouth (13) that are linked together with oiling groove (12), oil storage tank (14) that are located oiling groove (12) bottom are seted up to the inside of bearing inner race (4).

4. A dust protected bearing according to claim 1, wherein: the outside fixedly connected with sealing ring (15) of bullet snap ring (8), the material of bullet snap ring (8) is elastic rubber, the inboard interference fit of seal groove (7) inner wall has sliding ring (16), the surface in close contact with of the inner wall of sliding ring (16) and sealing ring (15).

5. A dust protected bearing according to claim 1, wherein: the outside threaded connection of seal groove (7) inner wall has anti-drop ring (17), the outside fixedly connected with disassembling rod (18) of anti-drop ring (17), disassembling rod (18) are provided with four, and four disassembling rod (18) are equidistance annular setting.

6. A dust protected bearing according to claim 1, wherein: the inboard fixedly connected with of shield (6) inhales sound cotton (19), inhale the concave type setting that is of sound cotton (19).