CN212536652U

CN212536652U - Rolling bearing sealing structure

Info

Publication number: CN212536652U
Application number: CN202021158043.XU
Authority: CN
Inventors: 张振宇
Original assignee: Shanghai University of Engineering Science
Current assignee: Shanghai University of Engineering Science
Priority date: 2020-06-19
Filing date: 2020-06-19
Publication date: 2021-02-12
Anticipated expiration: 2030-06-19

Abstract

The utility model discloses a antifriction bearing seal structure, including pivot, antifriction bearing main part, sound absorption pad, sound absorption piece, spring and installation piece, the seal box is installed to the outer wall of pivot, and the inside top of seal box and bottom all install the bolt, the antifriction bearing main part is installed to the inside one end of seal box, the inside of seal box is seted up flutedly, and the inside top of recess all installs the sound absorption piece. This antifriction bearing seal structure laminates with the outer wall of pivot each other through first sealed piece and the sealed piece of second, is convenient for make first sealed piece and the sealed piece of second can seal the bearing, avoids the inside that the dust got into the bearing, has avoided lubricating oil to take place to leak simultaneously to make this antifriction bearing's life increase, also can adsorb the noise that the bearing rotates the in-process production through inhaling the sound piece, reduced the emergence noise of bearing at the rotation in-process.

Description

Rolling bearing sealing structure

Technical Field

The utility model relates to a antifriction bearing technical field specifically is a antifriction bearing seal structure.

Background

Antifriction bearing becomes rolling friction with the sliding friction between moving axle and the axle bed to reduce the accurate mechanical component of friction loss, realize rotating through mechanical installation bearing usually, the inside lubricating oil that can add of bearing simultaneously, lubricating oil play lubricated bearing, make the bearing more smooth under the drive of transmission shaft, traditional antifriction bearing seal structure can satisfy people's user demand basically, but still has certain problem, specific problem as follows:

1. most of rolling bearing sealing structures in the market at present have poor sealing performance, and easily cause the phenomenon of lubricating oil leakage, so that the rolling bearing can easily stop rotating under long-time rotation, and the service life of the bearing is shortened;

2. most antifriction bearing seal structure on the existing market, sealed effect is not good, causes outside dust to get into the inside of bearing easily to influence the life of bearing, can't carry out the amortization to antifriction bearing simultaneously, make this bearing seal structure's practicality reduce.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a antifriction bearing seal structure to the sealing performance who proposes in solving above-mentioned background art is relatively poor, causes lubricating oil to take place the phenomenon of leaking not good with sealed effect easily, causes the inside problem of outside dust entering bearing easily.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a antifriction bearing seal structure, includes pivot, antifriction bearing main part, inhales the sound pad, inhales sound piece, spring and installation piece, the seal box is installed to the outer wall of pivot, and the inside top of seal box and bottom all install the bolt, the antifriction bearing main part is installed to the inside one end of seal box, the inside of seal box is seted up flutedly, and the inside top of recess all installs and inhales the sound piece.

Preferably, the sound absorption pad is installed inside the sealing box, and the sound absorption holes are installed inside the sound absorption pad at equal intervals.

Preferably, the mounting frame is installed on the top end inside the groove, the sliding rails are installed at two ends inside the mounting frame, and the sliding blocks are arranged inside the sliding rails.

Preferably, the slide block is far away from the one end of slide rail and is installed the backup pad, and the top of backup pad installs the spring, the top of spring is connected with the top of recess.

Preferably, the bottom of backup pad is installed and is run through the connecting rod of installing the frame bottom, and the bottom of connecting rod installs the installation piece.

Preferably, the bottom end of the mounting block is respectively provided with a first sealing block and a second sealing block, and the bottom ends of the first sealing block and the second sealing block are attached to the rotating shaft.

Compared with the prior art, the beneficial effects of the utility model are that: the rolling bearing sealing structure;

1. by installing the mounting frame, the sliding rail, the sliding block, the spring, the supporting plate, the connecting rod, the mounting block, the first sealing block and the second sealing block are mutually attached to the outer wall of the rotating shaft, so that the first sealing block and the second sealing block can seal the bearing, dust is prevented from entering the inside of the bearing, meanwhile, lubricating oil is prevented from leaking, and the service life of the rolling bearing is prolonged;

2. the device is through installing the sound pad of inhaling, inhaling the sound hole and inhaling the sound piece simultaneously, and the equidistant multiunit of having seted up through the inside of inhaling the sound pad is inhaled the sound hole, is convenient for adsorb the noise that the bearing took place at the rotation in-process through inhaling the sound hole, also can adsorb the noise that the in-process produced through inhaling the sound piece simultaneously, has reduced the noise that the bearing took place at the rotation in-process.

Drawings

FIG. 1 is a front view of the cross-sectional structure of the present invention;

FIG. 2 is an enlarged view of the portion A of FIG. 1 according to the present invention;

FIG. 3 is a schematic view of the sound absorption pad of the present invention;

fig. 4 is a schematic view of the structure of the present invention.

In the figure: 1. a rotating shaft; 2. a sealing box; 3. a bolt; 4. a rolling bearing main body; 5. a sound absorbing pad; 6. a sound absorption hole; 7. a groove; 8. a sound absorbing block; 9. installing a frame; 10. a slide rail; 11. a slider; 12. a support plate; 13. a spring; 14. a connecting rod; 15. mounting blocks; 16. a first seal block; 17. and a second seal block.

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. 1-4, the present invention provides an embodiment: a rolling bearing sealing structure comprises a rotating shaft 1, a rolling bearing main body 4, a sound absorption pad 5, a sound absorption block 8, a spring 13 and a mounting block 15, wherein a sealing box 2 is mounted on the outer wall of the rotating shaft 1;

the sound absorption pad 5 is arranged in the sealing box 2, the sound absorption holes 6 are arranged in the sound absorption pad 5 at equal intervals, and a plurality of groups of sound absorption holes 6 are formed in the sound absorption pad 5, so that the noise generated in the rotating process of the rolling bearing body 4 can be absorbed through the sound absorption holes 6;

bolts 3 are arranged at the top end and the bottom end inside the seal box 2, a rolling bearing main body 4 is arranged at one end inside the seal box 2, and a groove 7 is formed inside the seal box 2;

the top end inside the groove 7 is provided with an installation frame 9, two ends inside the installation frame 9 are provided with slide rails 10, a slide block 11 is arranged inside the slide rail 10, and the slide block 11 can reciprocate inside the slide rail 10 through the mutual matching of the slide block 11 and the slide rail 10;

a supporting plate 12 is installed at one end, far away from the sliding rail 10, of the sliding block 11, a spring 13 is installed at the top end of the supporting plate 12, the top end of the spring 13 is connected with the top end of the groove 7, and the sliding block 11 can reciprocate in the sliding rail 10, so that the supporting plate 12 extrudes the spring 13 to deform through the movement of the sliding block 11;

a connecting rod 14 penetrating through the bottom end of the mounting frame 9 is mounted at the bottom end of the supporting plate 12, a mounting block 15 is mounted at the bottom end of the connecting rod 14, and the connecting rod 14 and the supporting plate 12 are of a welding integrated structure, so that the mounting block 15 can move up and down through the supporting plate 12;

the bottom ends of the mounting blocks 15 are respectively provided with a first sealing block 16 and a second sealing block 17, the bottom ends of the first sealing block 16 and the second sealing block 17 are attached to the rotating shaft 1, and the rotating shaft 1 is attached to the first sealing block 16 and the second sealing block 17, so that dust is prevented from entering the interior of the rolling bearing main body 4, and meanwhile, lubricating oil in the interior of the rolling bearing main body 4 is prevented from leaking;

and the top ends inside the grooves 7 are all provided with sound absorption blocks 8.

The working principle is as follows: when the rolling bearing sealing structure is used, firstly, the sealing box 2 is arranged on the outer walls of the rolling bearing main body 4 and the rotating shaft 1, then the rotating shaft 1 is started to drive the rolling bearing main body 4 to rotate, the rotating shaft 1 is attached to the first sealing block 16 and the second sealing block 17, dust is prevented from entering the inside of the rolling bearing main body 4, meanwhile, leakage of lubricating oil inside the rolling bearing main body 4 is also avoided, so that the service life of the rolling bearing is prolonged, meanwhile, through the mutual matching of the sliding rail 10 and the sliding block 11, the supporting plate 12 slides inside the sliding rail 10 through the sliding block 11 and extrudes the spring 13 to deform when receiving vibration force, the supporting plate 12 is convenient to absorb shock, meanwhile, the connecting rod 14 is connected with the supporting plate 12 and is connected with the mounting block 15 through the connecting rod 14, so that the first sealing block 16 and the second sealing block 17 have certain elasticity, thereby avoided first sealed piece 16 and second sealed piece 17 to take place to damage because pivot 1 is rotatory, simultaneously can have seted up the multiunit through the inside of inhaling sound pad 5 and inhale sound hole 6, be convenient for can adsorb the noise that antifriction bearing main part 4 took place at the rotation in-process through inhaling sound hole 6, also can adsorb the noise that antifriction bearing main part 4 rotated the in-process to produce through inhaling sound piece 8 simultaneously, reduced the noise of occurrence of antifriction bearing main part 4 at the rotation in-process, above do the utility model discloses a whole theory of operation.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a antifriction bearing seal structure, includes pivot (1), antifriction bearing main part (4), sound absorbing pad (5), sound absorbing block (8), spring (13) and installation piece (15), its characterized in that: seal box (2) are installed to the outer wall of pivot (1), and inside top and the bottom of seal box (2) all install bolt (3), antifriction bearing main part (4) are installed to the inside one end of seal box (2), the inside of seal box (2) is seted up flutedly (7), and the inside top of recess (7) all installs and inhale sound piece (8).

2. A rolling bearing seal structure according to claim 1, characterized in that: the sound absorption device is characterized in that a sound absorption pad (5) is arranged inside the sealing box (2), and sound absorption holes (6) are arranged inside the sound absorption pad (5) at equal intervals.

3. A rolling bearing seal structure according to claim 1, characterized in that: installing frame (9) is installed on the inside top of recess (7), and sliding rail (10) are all installed at the inside both ends of installing frame (9), the inside of sliding rail (10) is provided with slider (11).

4. A rolling bearing seal structure according to claim 3, characterized in that: one end of the sliding block (11) far away from the sliding rail (10) is provided with a supporting plate (12), the top end of the supporting plate (12) is provided with a spring (13), and the top end of the spring (13) is connected with the top end of the groove (7).

5. A rolling bearing seal structure according to claim 4, characterized in that: the bottom of backup pad (12) is installed and is run through connecting rod (14) of installing frame (9) bottom, and the bottom of connecting rod (14) is installed installation piece (15).

6. A rolling bearing seal structure according to claim 5, characterized in that: the bottom end of the mounting block (15) is respectively provided with a first sealing block (16) and a second sealing block (17).