CN217603171U

CN217603171U - Large chamfer bearing capable of reducing noise of direct current motor and prolonging service life of bearing

Info

Publication number: CN217603171U
Application number: CN202221379914.XU
Authority: CN
Inventors: 贺瑶; 贺冰; 李郯明; 杨香红
Original assignee: Dongguan Bling Electronic Technology Ltd
Current assignee: Dongguan Bling Electronic Technology Ltd
Priority date: 2022-06-06
Filing date: 2022-06-06
Publication date: 2022-10-18
Anticipated expiration: 2032-06-06

Abstract

The utility model discloses a reduce big chamfer bearing that direct current motor noise improved bearing life-span relates to bearing technical field. The utility model comprises an outer ring and an inner ring, wherein a first chute and a second chute are respectively arranged at two opposite sides of the outer ring and the inner ring, and a rolling ball is in sliding fit between the first chute and the second chute; the oiling mouth has all been seted up to outer lane both sides, is equipped with the logical groove that runs through mutually with the oiling mouth in the outer lane, leads to the built-in two sealing device that are equipped with of groove, is equipped with two cavities between outer lane, the inner circle, and two cavities run through mutually with logical groove, and outer lane, inner circle both sides have all been installed with two cavity matched with sealed lid. The utility model discloses a two sealing device that set up, on the one hand, reduced the condition that grease in two cavitys may appear leaking through the oiling mouth, on the other hand enables the oiling pipe when getting into logical groove, and sealing device makes logical groove and oiling mouth switch on through the extrusion of oiling pipe to be convenient for add the oiling fat in the cavity.

Description

Large chamfer bearing capable of reducing noise of direct current motor and prolonging service life of bearing

Technical Field

The utility model belongs to the technical field of the bearing, especially, relate to a reduce big chamfer bearing that direct current motor noise improves bearing life-span.

Background

The bearing is an important part in the modern mechanical equipment, and the main function of the bearing is to support a mechanical rotating body, reduce the friction coefficient in the movement process of the mechanical rotating body and ensure the rotation precision of the mechanical rotating body. The main function of the bearing is to support, i.e. literally explained for bearing the shaft, but this is only a part of its function, and to support it is essentially capable of bearing radial loads, it can also be understood that it is for fixing the shaft, which makes it only able to rotate, but to control its axial and radial movements, most bearings must have lubricating oil, which is responsible for reducing losses at high speed operation, not only increasing energy consumption due to friction, but also being more likely to damage the bearing.

The bearing can annotate lubricating grease before dispatching from the factory, and the bearing plays lubricated, reduction frictional effect at the operation in-process, prolongs bearing life, but, the bearing is in long-term use, and inside grease can progressively reduce, and the lubricity worsens, causes unusual wearing and tearing, reduces the life of bearing.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a reduce big chamfer bearing that direct current motor noise improves bearing life, the bearing of having solved among the prior art is in long-term use, and inside grease can progressively reduce, and the lubricating property variation causes unusual wearing and tearing, reduces the life technical problem of bearing.

In order to achieve the purpose, the utility model is realized by the following technical proposal:

a large-chamfer bearing capable of reducing noise of a direct current motor and prolonging service life of the bearing comprises an outer ring and an inner ring, wherein a first sliding groove and a second sliding groove are respectively formed in two opposite sides of the outer ring and the inner ring, and a rolling ball is in sliding fit between the first sliding groove and the second sliding groove;

the oiling mouth has all been seted up to outer lane both sides, is equipped with the logical groove that runs through mutually with the oiling mouth in the outer lane, leads to the built-in two sealing device that are equipped with of groove, is equipped with two cavities between outer lane, the inner circle, and two cavities run through with logical groove mutually, and outer lane, inner circle both sides have all been installed with two cavity matched with sealed lids.

Optionally, placing grooves are formed in two opposite sides of the through groove, the sealing device comprises two clamping blocks, the two clamping blocks correspond to the two placing grooves one by one, elastic telescopic rods are respectively arranged between the clamping blocks and the placing grooves, and the clamping blocks are in sliding fit in the placing grooves; the cross section of the fixture block is of a triangular structure.

Optionally, a first channel and a second channel are respectively formed in two opposite sides of the first sliding groove and the second sliding groove, and a first ball and a second ball matched with the rolling ball are arranged in the first channel and the second channel in a rotation matching mode.

Optionally, thread grooves are formed in two sides of the outer ring, and screws matched with the two thread grooves in a threaded mode are arranged on one sides of the two sealing covers in a threaded matching mode.

Optionally, an annular groove is formed in the periphery of the outer diameter of the outer ring, and soundproof cotton is arranged in the annular groove.

The embodiment of the utility model has the following beneficial effect:

the utility model discloses an embodiment is through the oiling mouth that sets up, can be when the grease in two cavitys reduces, the user passes through the oiling mouth and pours into the grease into logical inslot, the grease that leads to the inslot flows to two cavitys in, thereby spin and first spout have been reduced, wearing and tearing between the second spout, thereby the life of bearing has been improved, two sealing device through setting up, on the one hand, the condition that the grease in having reduced two cavitys can appear leaking through the oiling mouth, on the other hand, enable the oiling pipe when getting into logical groove, sealing device makes logical groove and oiling mouth switch on through the extrusion of oiling pipe, thereby be convenient for add oiling grease to the cavity.

Of course, it is not necessary for any particular product to achieve all of the above-described advantages simultaneously.

Drawings

The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic structural view of an outer ring according to an embodiment of the present invention;

fig. 2 is a schematic structural view of a sealing device according to an embodiment of the present invention;

FIG. 3 is a schematic view of the structure at A in FIG. 2;

FIG. 4 is a schematic view of the structure of FIG. 2 at B;

fig. 5 is a schematic view illustrating a structure of a fixture block according to an embodiment of the present invention.

Wherein the figures include the following reference numerals:

the sealing structure comprises an outer ring 1, an inner ring 2, a sealing cover 3, an oil injection port 4, an annular groove 5, soundproof cotton 6, a first chute 7, a second chute 8, a first channel 9, a second channel 10, a first ball 11, a second ball 12, a cavity 13, a through groove 14, a placing groove 15, an elastic telescopic rod 16, a clamping block 17, a threaded groove 18, a screw 19 and a rolling ball 20.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the 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. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses.

To maintain the following description of the embodiments of the present invention clear and concise, detailed descriptions of well-known functions and components may be omitted.

Referring to fig. 1-5, in the present embodiment, a large chamfer bearing for reducing noise of a dc motor and improving bearing life is provided, including: the two opposite sides of the outer ring 1 and the inner ring 2 are respectively provided with a first chute 7 and a second chute 8, and a rolling ball 20 is in sliding fit between the first chute 7 and the second chute 8;

oiling mouth 4 has all been seted up to 1 both sides in outer lane, is equipped with the logical groove 14 that runs through mutually with oiling mouth 4 in the outer lane, leads to the built-in two sealing device that are equipped with of groove 14, is equipped with two cavities 13 between outer lane 1, the inner circle 2, and two cavities 13 run through with logical groove 14 mutually, and outer lane 1, 2 both sides of inner circle have all been installed with two cavities 13 matched with sealed lid 3.

The application of one aspect of the embodiment is as follows: when need pour into the grease into cavity 13, the user stretches into logical groove 14 with the notes oil pipe through oiling mouth 4 in, notes oil pipe extrusion sealing device, sealing device opens and makes logical groove 14 and oiling mouth 4 switch on, and the grease flows to two cavities 13 in through logical groove 14 to can pour into the grease into cavity 13.

Through the oiling mouth 4 that sets up, can be when the grease in two cavities 13 reduces, the user passes through oiling mouth 4 and pours into through groove 14 with the grease, the grease that leads to in the groove 14 flows to two cavities 13 in, thereby spin 20 and first spout 7 have been reduced, wearing and tearing between the second spout 8, thereby the life of bearing has been improved, two sealing device through the setting, on the one hand, the condition of leaking can appear through oiling mouth 4 to the grease that has reduced in two cavities 13, on the other hand, enable the oiling pipe when getting into through groove 14, sealing device makes logical groove 14 and oiling mouth 4 switch on through the extrusion of oiling pipe, thereby be convenient for to the grease of annotating in the cavity 13.

In the embodiment, the two opposite sides of the through groove 14 are both provided with the placing grooves 15, the sealing device comprises two clamping blocks 17, the two clamping blocks 17 correspond to the two placing grooves 15 one by one, the elastic telescopic rods 16 are respectively arranged between the clamping blocks 17 and the placing grooves 15, and the clamping blocks 17 are in sliding fit in the placing grooves 15; the cross section of the fixture block 17 is in a triangular structure.

Through the sealing device who sets up, enable the oiling pipe and stretch into logical groove 14 through oiling mouth 4 in, the triangle-shaped inclined plane of two fixture blocks 17 of oiling pipe extrusion, two fixture blocks 17 are squeezed and are regained in standing groove 15, make logical groove 14 and oiling mouth 4 switch on, thereby be convenient for annotate the grease in the cavity 13, when the oiling finishes, the user takes the oiling pipe out, two fixture blocks 17 carry out the separation through elasticity to oiling mouth 4 and logical groove 14 through elasticity telescopic link 16, the condition that the grease in two cavities 13 can appear leaking through oiling mouth 4 has been reduced.

In this embodiment, a first channel 9 and a second channel 10 are respectively disposed on two opposite sides of the first chute 7 and the second chute 8, and a first ball 11 and a second ball 12 matched with the rolling ball 20 are rotationally matched in the first channel 9 and the second channel 10. Through the first ball 11, the second ball 12 that set up, enable spin 20 at first spout 7 and the rolling of contact of second ball 12 with first ball 11 of the internal rotation of second spout 8, reduced spin 20 and the contact surface of first spout 7 and second spout 8 to the noise that spin 20 rubbed and sent with first spout 7 and second spout 8 when high-speed the rotation has been reduced.

Thread grooves 18 are formed in two sides of the outer ring 1, and screws 19 in threaded fit with the two thread grooves 18 are arranged on one sides of the two sealing covers 3. The two sealing covers 3 can be detached by the arranged screws 19, so that the damaged rolling balls 20 can be replaced conveniently.

The outer ring 1 of this embodiment has an annular groove 5 formed around the outer diameter, and the annular groove 5 is filled with soundproof cotton 6. Through the soundproof cotton 6 that sets up, the noise that the bearing sent when high-speed rotation has been reduced.

For the practical effect of the bearing, two embodiments are provided.

The first embodiment is as follows: the soundproof cotton 6 can also be soundproof foam in the prior art, and noise generated when the bearing rotates at a high speed is reduced.

The second embodiment: one side of each of the two sealing covers 3 is provided with a sealing strip which is a rubber sealing strip in the prior art, so that the condition that grease in the two cavities 13 possibly leaks is reduced.

The above embodiments may be combined with each other.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein.

In the description of the present invention, it should be understood that the directions or positional relationships indicated by the directional terms such as "front, back, upper, lower, left, right", "horizontal, vertical, horizontal" and "top, bottom", etc. are usually based on the directions or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, and in the case of not making a contrary explanation, these directional terms do not indicate and imply that the device or element referred to must have a specific direction or be constructed and operated in a specific direction, and therefore, should not be construed as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

Claims

1. The utility model provides a reduce direct current motor noise and improve big chamfer bearing of bearing life-span which characterized in that includes: the device comprises an outer ring (1) and an inner ring (2), wherein a first sliding groove (7) and a second sliding groove (8) are respectively formed in two opposite sides of the outer ring (1) and the inner ring (2), and rolling balls (20) are in sliding fit between the first sliding groove (7) and the second sliding groove (8);

oiling mouth (4) have all been seted up to outer lane (1) both sides, are equipped with logical groove (14) that run through mutually with oiling mouth (4) in outer lane (1), lead to the built-in two sealing device that is equipped with of groove (14), are equipped with two cavities (13) between outer lane (1), inner circle (2), and two cavities (13) run through mutually with leading to groove (14), and sealed lid (3) with two cavities (13) matched with have all been installed to outer lane (1), inner circle (2) both sides.

2. The large chamfer bearing for reducing the noise of the direct current motor and prolonging the service life of the bearing according to claim 1, wherein the through groove (14) is provided with two placing grooves (15) on opposite sides, the sealing device comprises two clamping blocks (17), the two clamping blocks (17) correspond to the two placing grooves (15) one by one, an elastic telescopic rod (16) is respectively arranged between the clamping blocks (17) and the placing grooves (15), and the clamping blocks (17) are in sliding fit in the placing grooves (15).

3. The large chamfer bearing for reducing noise of a direct current motor and improving the service life of the bearing according to claim 2, wherein the cross section of the fixture block (17) is of a triangular structure.

4. The large chamfer bearing for reducing the noise of the direct current motor and prolonging the service life of the bearing according to claim 1, wherein the first chute (7) and the second chute (8) are respectively provided with a first channel (9) and a second channel (10) at opposite sides, and the first channel (9) and the second channel (10) are internally and rotatably matched with a first ball (11) and a second ball (12) matched with the rolling ball (20).

5. The large chamfer bearing for reducing the noise of the direct current motor and prolonging the service life of the bearing according to claim 1, wherein the outer ring (1) is provided with screw grooves (18) on both sides, and the two sealing covers (3) are provided with screws (19) which are in threaded fit with the two screw grooves (18) on one side.

6. The large chamfer bearing for reducing the noise of the direct current motor and prolonging the service life of the bearing according to claim 1, characterized in that an annular groove (5) is arranged on the outer diameter peripheral side of the outer ring (1), and soundproof cotton (6) is arranged in the annular groove (5).