CN214331223U - Bearing with noise reduction function - Google Patents

Abstract

The utility model provides a bearing with noise reduction function, which belongs to the technical field of bearings and comprises a bearing outer ring, a bearing inner ring is arranged in the bearing outer ring, an outer annular groove and an inner annular groove are respectively arranged at one end of the bearing outer ring and the bearing inner ring which are close to each other, a plurality of balls are rotatably connected between the outer annular groove and the inner annular groove, a plurality of holders are respectively arranged on the plurality of balls and are all fixed on the inner circumferential wall of the outer annular groove, a backing plate is arranged at the contact part of the plurality of balls and the inner circumferential wall of the outer annular groove, and the backing plate is designed into an elastic steel structure, the whole noise reduction bearing structure is reasonable in arrangement and ingenious in conception, the rotating noise of the bearing is greatly reduced through the improvement of the prior bearing structure, the device can be adapted to more working environments with different requirements, and the problem that the bearing structure in the prior art is too single is effectively solved, the rotary noise reduction device has no corresponding noise reduction structure, and easily generates larger noise and other problems in the rotating process.

Description

Bearing with noise reduction function

Technical Field

The utility model belongs to the technical field of the bearing, concretely relates to bearing with function of making an uproar is fallen.

Background

In the rotating process of the bearing, the ball rolls between the outer sleeve ring and the inner sleeve ring, noise is often generated due to friction between the ball and the outer sleeve ring and the inner sleeve ring, noise indexes need to be strictly controlled in some special working environments, and at the moment, noise reduction of the bearing is particularly important.

However, the existing bearing structure is too single, a corresponding noise reduction structure is not provided, and large noise is easily generated in the rotating process, so that the bearing with the noise reduction function is designed.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a bearing with function of making an uproar falls aims at solving prior art bearing structure too single, does not have the corresponding structure of making an uproar of falling, produces great noise scheduling problem easily at rotatory in-process.

In order to achieve the above object, the utility model provides a following technical scheme:

the bearing with the noise reduction function comprises a bearing outer ring, wherein a bearing inner ring is arranged in the bearing outer ring, an outer annular groove and an inner annular groove are formed in the positions, close to one end, of the bearing outer ring and the bearing inner ring, a plurality of balls are rotatably connected between the outer annular groove and the inner annular groove and are provided with retainers, the retainers are fixed on the inner circumferential wall of the outer annular groove, a plurality of backing plates are arranged at the contact positions of the balls and the inner circumferential wall of the outer annular groove, the backing plates are made to be elastic steel structures, and protection mechanisms are arranged on the upper side and the lower side of the bearing outer ring.

Preferably, every group protection machanism includes sealed lid and sealing ring, sealed lid sets up in the top of bearing inner race, the sealing ring is fixed in on the annular card strip, and the annular card strip and the bearing inner race between the clearance phase-match.

Preferably, the middle parts of the circumferential surfaces of the two sealing rings are respectively fixed with an annular clamping strip.

Preferably, a plurality of silencing holes distributed at equal intervals are formed in the two sealing rings, and the plurality of silencing holes are communicated with one another.

Preferably, sealing rubber strips are arranged on the two sealing covers.

Preferably, soundproof cotton is filled in each of the two sealing rings.

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

1. in this scheme, the whole bearing structure of making an uproar that falls sets up rationally, thinks about ingeniously, through the improvement to current bearing structure, greatly reduced bearing pivoted noise, let the device can the adaptation more different operational environment who requires, it is too single effectively to solve prior art bearing structure, does not have the corresponding structure of making an uproar of falling, produces great noise scheduling problem easily at rotatory in-process, the utility model discloses a plurality of balls are at outer annular groove and the interior annular groove internal rotation between bearing inner race and bearing outer race when using, and cooperation holder and backing plate make the ball all close with the circumference inner wall clearance in outer annular groove under load and the non-load state when the pivoted to this noise that reaches a plurality of ball running friction and produce.

2. In this scheme, protection machanism's setting can be through two sealed lids and sealing ring use the noise that the messenger produced with the bearing and external isolated, further improve the noise reduction of whole bearing, the setting of annular card strip has improved the compactness that protection machanism and bearing are connected, it is more convenient to install and dismantle simultaneously, the noise that the bearing produced can be absorbed in the setting of a plurality of bloops that link up each other, improve the noise reduction, the joint strip who all sets up on two sealed lids has improved the leakproofness of whole bearing, also can prevent that the dust from getting into the inside noise that produces of bearing, the soundproof cotton of two sealing ring intussuseptions has further improved the noise reduction of whole bearing.

Drawings

The accompanying drawings 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 the present invention;

FIG. 2 is a front view of the present invention;

fig. 3 is a cross-sectional view taken along line a-a of fig. 2 in accordance with the present invention;

fig. 4 is a perspective view of the present invention.

In the figure: 1-bearing outer ring; 2-bearing inner race; 3-outer annular grooves; 4-an inner annular groove; 5-rolling balls; 6-a cage; 7-a backing plate; 8-sealing cover; 9-a sealing ring; 10-ring-shaped clamping strips; 11-silencing hole.

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.

Example 1

Referring to fig. 1-4, the present invention provides the following technical solutions: the utility model provides a bearing with function of making an uproar falls includes bearing inner race 1, be provided with bearing inner race 2 in the bearing inner race 1, bearing inner race 1 and bearing inner race 2 are close to one end mutually and have seted up outer annular groove 3 and inner annular groove 4 respectively, it is connected with a plurality of balls 5 to rotate between outer annular groove 3 and the inner annular groove 4, all be provided with holder 6 on a plurality of balls 5, and a plurality of holders 6 all fix on outer annular groove 3's circumference inner wall, a plurality of balls 5 all are provided with backing plate 7 with outer annular groove 3's circumference inner wall contact site, and backing plate 7 establishes to the elasticity steel construction, bearing inner race 1's upper and lower both sides all are provided with protection machanism.

The utility model discloses an in the embodiment, the whole bearing structure of making an uproar that falls sets up rationally, think about ingeniously, through the improvement to current bearing structure, greatly reduced bearing pivoted noise, let the device can the adaptation operational environment of more different requirements, it is too single effectively to solve prior art bearing structure, does not have the corresponding structure of making an uproar that falls, produces great noise scheduling problem easily at rotatory in-process, the utility model discloses a plurality of balls 5 when using outer annular groove 3 and the 4 internal rotations of inner ring groove between bearing inner race 1 and bearing inner race 2, the pivoted cooperates holder 6 and backing plate 7 to make all close with the circumference inner wall clearance of outer annular groove 3 under the ball 5 no time load and the non-load state simultaneously, reaches the noise that a plurality of balls 5 rotational friction produced with this.

Specifically, every protective mechanism of group includes sealed lid 8 and sealing ring 9, and sealed lid 8 sets up in bearing inner race 1's top, and sealing ring 9 is fixed in on annular card strip 10, and annular card strip 10 and bearing inner race 1 and the clearance phase-match between the bearing inner race 2.

In this embodiment: the setting of protection machanism can be through two sealed lids 8 and sealing ring 9 with the noise that the bearing use made the production with external isolated, further improves the noise reduction of whole bearing.

Specifically, the middle parts of the circumferential surfaces of the two sealing rings 9 are fixed with annular clamping strips 10.

In this embodiment: the arrangement of the annular clamping strip 10 improves the connection tightness of the protection mechanism and the bearing, and meanwhile, the installation and the disassembly are more convenient.

Specifically, a plurality of muffling holes 11 distributed at equal intervals are formed in the two sealing rings 9, and the muffling holes 11 are communicated with each other.

In this embodiment: the plurality of sound-deadening holes 11 which are mutually communicated can absorb noise generated by the bearing, and the noise reduction effect is improved.

Specifically, two sealing covers 8 are provided with sealing rubber strips.

In this embodiment: the sealing rubber strips arranged on the two sealing covers 8 improve the sealing performance of the whole bearing, and can prevent dust from entering the bearing to generate noise.

Specifically, soundproof cotton is filled in both the two seal rings 9.

In this embodiment: the soundproof cotton filled in the two sealing rings 9 further improves the noise reduction effect of the whole bearing.

The utility model discloses a theory of operation and use flow: when the utility model is used, a plurality of balls 5 rotate in the outer annular groove 3 and the inner annular groove 4 between the bearing outer ring 1 and the bearing inner ring 2, the balls 5 are close to the clearance of the inner circumferential wall of the outer annular groove 3 under the load and non-load state when rotating by matching the retainer 6 and the backing plate 7, so that the noise generated by the rotation friction of the balls 5 is achieved, the noise generated by the bearing can be isolated from the outside by arranging the protection mechanism through the two sealing covers 8 and the sealing ring 9, the noise reduction effect of the whole bearing is further improved, the tightness of the connection between the protection mechanism and the bearing is improved by arranging the annular clamping strip 10, the installation and the disassembly are more convenient, the noise generated by the bearing can be absorbed by arranging the plurality of sound absorption holes 11 which are communicated with each other, the noise reduction effect is improved, the sealing rubber strips arranged on the two sealing covers 8 improve the sealing performance of the whole bearing, also can prevent that the dust from getting into the inside noise that produces of bearing, the soundproof cotton of two sealing ring 9 intussuseptions has further improved the noise reduction effect of whole bearing, the whole bearing structure of making an uproar that falls sets up rationally, think about ingeniously, through the improvement to current bearing structure, greatly reduced bearing pivoted noise, let the device can adapt the operational environment of more different requirements, it is too single effectively to solve bearing structure in the prior art, do not have the corresponding structure of making an uproar of falling, produce great noise scheduling problem easily at rotatory in-process.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. A bearing with function of making an uproar is fallen which characterized in that: the bearing comprises a bearing outer ring (1), a bearing inner ring (2) is arranged in the bearing outer ring (1), an outer annular groove (3) and an inner annular groove (4) are respectively formed in the bearing outer ring (1) and the bearing inner ring (2) close to one end, a plurality of balls (5) are rotatably connected between the outer annular groove (3) and the inner annular groove (4) in a plurality of numbers, a retainer (6) is arranged on each ball (5), the retainers (6) are fixed on the inner wall of the circumference of the outer annular groove (3), the contact positions of the balls (5) and the inner wall of the circumference of the outer annular groove (3) are provided with a base plate (7), the base plate (7) is made to be an elastic steel structure, and protection mechanisms are arranged on the upper side and the lower side of the bearing outer ring (1).

2. The bearing with a noise reduction function according to claim 1, wherein: every group protection machanism includes sealed lid (8) and sealing ring (9), sealed lid (8) set up in the top of bearing inner race (1), sealing ring (9) are fixed in on annular card strip (10), and the clearance phase-match between annular card strip (10) and bearing inner race (1) and bearing inner race (2).

3. The bearing with a noise reduction function according to claim 2, wherein: and annular clamping strips (10) are fixed in the middle of the circumferential surfaces of the two sealing rings (9).

4. The bearing with a noise reduction function according to claim 3, wherein: two all set up a plurality of noise elimination holes (11) that the equidistance distributes on sealing ring (9), and link up each other between a plurality of noise elimination holes (11).

5. The bearing with a noise reduction function according to claim 4, wherein: sealing rubber strips are arranged on the two sealing covers (8).

6. The bearing with a noise reduction function according to claim 5, wherein: soundproof cotton is filled in the two sealing rings (9).

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