CN213981680U

CN213981680U - Bearing dust-proof and noise-reducing device

Info

Publication number: CN213981680U
Application number: CN202121593441.9U
Authority: CN
Inventors: 莫红卫; 莫晓科
Original assignee: Changzhou Ketuo Forging Co ltd
Current assignee: Changzhou Ketuo Forging Co ltd
Priority date: 2021-07-14
Filing date: 2021-07-14
Publication date: 2021-08-17
Anticipated expiration: 2031-07-14

Abstract

The utility model relates to the technical field of bearings, in particular to a bearing dustproof and noise reduction device, including bearing frame, bearing, transmission shaft and dustproof subassembly, the bearing is fixed in the middle part of the inner wall of bearing frame, the transmission shaft is worn to locate the bearing, the dustproof subassembly is located between the inner wall both ends of bearing frame and the transmission shaft, the dustproof subassembly comprises two semi-annular dustproof covers, the dustproof cover includes the apron and the cover limit with apron integrated into one piece, the middle part of apron is equipped with air cleaner, the inboard plane of apron and the inboard cambered surface of cover limit all install the amortization cotton; the utility model discloses a setting of air cleaner, amortization cotton and intake pipe has realized dustproof, cooling and falling the noise of bearing to promote the life of bearing and improved the operational environment in workshop.

Description

Bearing dust-proof and noise-reducing device

Technical Field

The utility model relates to a bearing technical field, in particular to bearing is dustproof, fall device of making an uproar.

Background

The bearing is an important part in modern mechanical equipment, is widely applied to the fields of airplanes, automobiles, ships, machine tools, motors, household appliances and the like, and has the main functions of manufacturing a rotating shaft or other moving bodies, guiding rotation and bearing loads transmitted by the shaft or other parts.

In factory workshop, contain dust, dust in most operational environment, and these dust, dust get into the lubricating oil that the bearing can pollute in the bearing to coefficient of friction when can increasing the bearing and rotate, and then cause the excessive wearing and tearing of bearing, thereby influence the life of bearing. For some flammable and explosive dusts, even the bearing is cracked, so that the dust prevention of the bearing is very important work. In the existing dust-proof device, most of the dust-proof covers are arranged in the bearings, and the design is not beneficial to the heat dissipation of the bearings and the disassembly of the dust-proof covers. And the other part is that the dustproof device is arranged outside the bearing, and a fan or a fan blade is adopted for heat dissipation, but the heat dissipation effect is not obvious, and the design is complex.

Disclosure of Invention

The utility model aims at overcoming the defect and not enough that prior art exists, providing a device of making an uproar falls in not only dustproof but also fall, the cooling effect is obvious and the installation is dismantled convenient bearing and is prevented dust, fall.

Realize the utility model discloses the technical scheme of purpose is: the utility model provides a bearing is dustproof, fall device of making an uproar, includes bearing frame, bearing, transmission shaft and dustproof subassembly, the bearing is fixed in the inner wall middle part of bearing frame, the bearing is worn to locate by the transmission shaft, dustproof subassembly is located between the inner wall both ends of bearing frame and the transmission shaft, and dustproof subassembly comprises two semi-ring shaped shield, the shield including the apron and with apron integrated into one piece's lid limit, the middle part of apron is equipped with air cleaner, the inboard plane of apron with the amortization is cotton all installed to the inboard cambered surface on lid limit.

Furthermore, a semi-annular magnetic block is embedded in the middle of the outer side cambered surface of the cover edge, and the magnetic block extends out of the outer side cambered surface of the cover edge and contacts with the inner wall of the bearing seat.

Furthermore, the inboard cambered surface of apron is equipped with the packing ring, the packing ring is with the transmission shaft adaptation, the inboard cambered surface of packing ring is equipped with a plurality of semi-annular grooves.

Further, a gap is reserved between the cover edge and the bearing.

Furthermore, the two ends of the bottom of the bearing seat are provided with air inlet pipes, and the air inlet pipes correspond to the gaps.

Further, the air filter is detachably connected with the cover plate.

Furthermore, fixed blocks extend out of two ends of the outer side arc surface of the cover plate, and mounting holes are formed in the middle of the fixed blocks.

After the technical scheme is adopted, the utility model discloses following positive effect has:

(1) the utility model realizes the sealing of the bearing through the bearing seat, the transmission shaft and the dustproof component, and realizes the dustproof and heat dissipation of the bearing by combining the air filter, thereby prolonging the service life of the bearing;

(2) the utility model arranges the silencing cotton in the dustproof component, so that the noise generated by the bearing in the operation process is partially absorbed, thereby realizing noise reduction and improving the working environment of a workshop;

(3) the utility model discloses set up the intake pipe in the bottom of bearing frame, through the intake pipe to the inside input cooling gas of bearing frame, further realized the cooling to the bearing.

Drawings

In order that the present invention may be more readily and clearly understood, the following detailed description of the present invention is given in conjunction with the accompanying drawings, in which:

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

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is an enlarged view of portion B of FIG. 1;

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

fig. 5 is a side view of the dust-proof assembly of the present invention;

fig. 6 is a top view of the dustproof assembly of the present invention.

In the figure: the air filter comprises a bearing seat 1, a bearing 2, a transmission shaft 3, a dustproof assembly 4, an air inlet pipe 11, a dustproof cover 41, an air filter 42, silencing cotton 43, a magnetic block 44, a gasket 45, a gap 46, a fixing block 47, a mounting hole 48, a cover plate 411, a cover edge 412 and a groove 451.

Detailed Description

As shown in fig. 1-6, a bearing dust-proof and noise-reducing device comprises a bearing seat 1, a bearing 2, a transmission shaft 3 and a dust-proof assembly 4, wherein the bearing 2 is fixed in the middle of the inner wall of the bearing seat 1, the transmission shaft 3 penetrates through the bearing 2, and the dust-proof assembly 4 is positioned between two end parts of the inner wall of the bearing seat 1 and the transmission shaft 3; the dustproof assembly 4 is composed of two semi-annular dustproof covers 41, each dustproof cover 41 comprises a cover plate 411 and a cover edge 412 which is perpendicular to the cover plate 411 and is integrally formed, an air filter 42 is arranged in the middle of the cover plate 411, the air filter 42 filters air entering the bearing seat 1 to filter dust and dust in the air, meanwhile, the bearing 2 can be cooled, the air filter 42 is detachably connected with the cover plate 411, and the air filter 42 is convenient to clean or replace in the later period; fixing blocks 47 extend out of two ends of the outer arc surface of the cover plate 411, mounting holes 48 are formed in the middle of the fixing blocks 47, and the two semi-annular dustproof covers 41 are fastened relative to the nuts through the mounting holes 48 to form an annular dustproof assembly 4; the inner plane of the cover plate 411 and the inner arc surface of the cover edge 412 are both provided with silencing cotton 43, and the silencing cotton 43 is used for reducing noise of the bearing in operation; the inner side arc surface of the cover plate 411 is provided with an elastic gasket 45, the gasket 45 is matched with the transmission shaft 3, the gasket 45 is in contact with the transmission shaft 3, the inner side arc surface of the gasket 45 is provided with a plurality of semi-annular grooves 451, and lubricating oil is filled in the grooves 451, so that the friction between the gasket 45 and the transmission shaft 3 is reduced, and dust are prevented from entering the bearing seat 1 from a gap between the gasket 45 and the transmission shaft 3; the semi-annular magnetic block 44 is embedded in the middle of the outer arc surface of the cover edge 412, the magnetic block 44 extends out of the outer arc surface of the cover edge 412 and contacts with the inner wall of the bearing seat 1, and the magnetic force of the magnetic block 44 is fixedly connected with the bearing seat 1, so that the dustproof assembly 4 is convenient to mount and dismount on the bearing seat 1; a gap 46 is left between the cover edge 412 and the bearing 2; the two ends of the bottom of the bearing seat 1 are provided with air inlet pipes 11, one end of each air inlet pipe 11 is connected with a cooling fan (not shown in the figure), the other end of each air inlet pipe 11 is communicated with the inner cavity of the bearing seat 1, and the air inlet pipes 11 correspond to the gaps 46, so that cooling air input from the air inlet pipes 11 flows to the bearing 2 along the gaps 46, and the bearing 2 is further cooled.

When in installation, firstly, the two semi-annular dustproof covers 41 are sleeved on the transmission shaft 3 in an opposite manner and aligned with the installation holes 48 on the fixed block 47, and nuts are installed in the installation holes 48 for primary fixation to form an annular dustproof assembly 4; then, sliding the dustproof assembly 4 towards the bearing seat 1 along the transmission shaft 3 until the magnetic blocks 44 completely enter the bearing seat 1 and are fixed with the inner wall of the bearing seat 1 through magnetic force; finally, the nuts in the mounting holes 48 are tightened.

The above-mentioned embodiments, further detailed description of the objects, technical solutions and advantages of the present invention, it should be understood that the above description is only the embodiments of the present invention, and is not intended to limit the present invention, and any modifications, equivalent substitutions and improvements made within the spirit and principle of the present invention should be included in the scope of the present invention.

Claims

1. The utility model provides a bearing is dustproof, fall device of making an uproar, includes bearing frame (1), bearing (2), transmission shaft (3) and dustproof subassembly (4), bearing (2) are fixed in the inner wall middle part of bearing frame (1), bearing (2), its characterized in that are worn to locate in transmission shaft (3): dustproof subassembly (4) are located between the inner wall both ends of bearing frame (1) and transmission shaft (3), and dustproof subassembly (4) comprise two semi-ring shape shield (41), shield (41) including apron (411) and with apron (411) integrated into one piece's lid limit (412), the middle part of apron (411) is equipped with air cleaner (42), the inboard plane of apron (411) with amortization cotton (43) are all installed to the inboard cambered surface of lid limit (412).

2. The bearing dust-proof and noise-reducing device according to claim 1, characterized in that: the middle part of the outer side cambered surface of the cover edge (412) is embedded with a semi-annular magnetic block (44), and the magnetic block (44) extends out of the outer side cambered surface of the cover edge (412) and is in contact with the inner wall of the bearing seat (1).

3. The bearing dust-proof and noise-reducing device according to claim 1, characterized in that: the inboard cambered surface of apron (411) is equipped with packing ring (45), packing ring (45) and transmission shaft (3) looks adaptation, the inboard cambered surface of packing ring (45) is equipped with a plurality of semi-annular grooves (451).

4. The bearing dust-proof and noise-reducing device according to claim 1, characterized in that: a gap (46) is reserved between the cover edge (412) and the bearing (2).

5. The bearing dust-proof and noise-reducing device according to claim 1, characterized in that: and air inlet pipes (11) are arranged at two ends of the bottom of the bearing seat (1), and the air inlet pipes (11) correspond to the gaps (46).

6. The bearing dust-proof and noise-reducing device according to claim 1, characterized in that: the air filter (42) is detachably connected with the cover plate (411).

7. A bearing dust and noise reduction apparatus according to claim 1 or 3, wherein: fixed blocks (47) extend out of two ends of the outer side arc surface of the cover plate (411), and mounting holes (48) are formed in the middle of the fixed blocks (47).