CN220523106U

CN220523106U - Precision bearing structure

Info

Publication number: CN220523106U
Application number: CN202322285307.8U
Authority: CN
Inventors: 李朝霞; 王亚亚; 张梅
Original assignee: Shenzhen Tengyuanxiang Technology Co ltd
Current assignee: Shenzhen Tengyuanxiang Technology Co ltd
Priority date: 2023-08-24
Filing date: 2023-08-24
Publication date: 2024-02-23
Anticipated expiration: 2033-08-24

Abstract

The utility model discloses a precision bearing structure which comprises a bearing inner ring and a bearing outer ring, wherein a plurality of bearing balls are arranged between the outer wall of the bearing inner ring and the inner wall of the bearing outer ring, ball limiting frames are arranged among a plurality of bearing balls, rubber sealing assemblies are arranged on two sides of the outer wall of the bearing inner ring and the inner wall of the bearing outer ring, reinforcing ring plates are arranged on two sides of the bearing outer ring, limiting clamping rings are fixedly connected to two sides of the two reinforcing ring plates, which are close to each other, respectively, and a plurality of fixing screws are arranged between the two reinforcing ring plates and the bearing outer ring. According to the utility model, the rubber sealing assembly is pressed on two sides of the outer ring of the bearing until the two side clamping rings are limited and clamped in the grooves, the strength of the integral rubber ring can be improved through the reinforcing ring with a metal structure, and the rubber ring can seal the inner ring and the outer ring of the bearing.

Description

Precision bearing structure

Technical Field

The utility model relates to the technical field of bearings, in particular to a precise bearing structure.

Background

The bearing is an important part in modern mechanical equipment, its main function is to support the mechanical rotating body, reduce the friction coefficient in the motion process and guarantee the rotation precision, the bearing is mainly used for supporting, but this is only a part of its function, the supporting essence is to be able to bear radial load, it can also be understood that it is used for fixing the shaft, meanwhile, the operation of the motor is seriously dependent on the bearing, because the shaft can move in any direction, the motor is required to rotate only when in operation, it is theoretically impossible to realize the transmission function, not only the bearing can influence the transmission, but also good lubrication must be realized on the bearing of the high-speed shaft in order to reduce the influence, and most of the bearings must be provided with lubricating oil, which is responsible for not only increasing the energy consumption due to friction but also damaging the bearing when in high-speed operation.

The precision bearing can seal between inner ring and the outer loop in the use, realize also avoiding external debris to get into between inner ring and the outer loop simultaneously to the sealed of inside lubricating oil, and the great debris of hardness contacts and can cause the injury to the ball, and then can't ensure the bearing precision, but current precision bearing is pried open when follow-up interpolation lubricating oil opens sealed lid mostly using the screwdriver, but such mode causes the damage to inner ring and the outer loop of bearing easily, can cause the damage even to inside bearing ball, reduces whole bearing's precision.

It is therefore desirable to provide a precision bearing structure that addresses the above-described issues.

Disclosure of Invention

The technical problem to be solved by the utility model is that most of existing precision bearings are pried by using a screwdriver when lubricating oil is added to open a sealing cover later, but the mode is easy to damage an inner ring and an outer ring of the bearings, even damage internal bearing balls, and the precision of the whole bearing is reduced.

In order to solve the technical problems, the utility model adopts a technical scheme that: the precise bearing structure comprises a bearing inner ring and a bearing outer ring, wherein a plurality of bearing balls are arranged between the outer wall of the bearing inner ring and the inner wall of the bearing outer ring, and a ball limiting frame is arranged between the plurality of bearing balls;

the bearing is characterized in that rubber sealing assemblies are arranged on two sides of the outer wall of the bearing inner ring and two sides of the inner wall of the bearing outer ring respectively, reinforcing ring plates are arranged on two sides of the bearing outer ring respectively, limiting snap rings are fixedly connected to one sides of the reinforcing ring plates, which are close to each other, of the reinforcing ring plates respectively, and a plurality of fixing screws are arranged between the reinforcing ring plates and the bearing outer ring respectively.

The utility model is further provided with: grooves corresponding to the bearing balls are formed in the outer wall of the bearing inner ring and the inner wall of the bearing outer ring.

Through above-mentioned technical scheme, a plurality of bearing balls roll in the recess of bearing inner ring outer wall and bearing outer ring inner wall, and the recess can play spacing effect to the bearing ball, and the bearing ball plays the effect of supporting to relative rotation between bearing inner ring and the bearing outer ring, reduces the friction.

The utility model is further provided with: the rubber seal assembly comprises a rubber ring clamped between one side of the inner ring of the bearing and the inner wall of the outer ring of the bearing, the outer wall of the rubber ring is fixedly connected with two side clamping rings, and a reinforcing ring is arranged in the rubber ring.

Through above-mentioned technical scheme, when the installation, pack lubricating oil, earlier with ball spacing card on a plurality of bearing balls, press the rubber seal assembly in bearing outer loop both sides, until two side snap ring spacing card can in the recess, can improve the intensity of whole rubber circle through the strengthening ring of metal structure, the rubber circle can accomplish the seal between bearing inner ring and the bearing outer ring.

The utility model is further provided with: the cross section of the side clamping ring is of a triangular structure, and the inner wall of the bearing outer ring is provided with a groove corresponding to the side clamping ring.

Through above-mentioned technical scheme, the side snap ring of rubber structure can shrink when triangle structure conveniently presses, release the block when sliding to recess department.

The utility model is further provided with: the outside of rubber circle has seted up a plurality of recesses.

Through the technical scheme, when the thin wall formed by the groove is taken out later, the thin wall can be taken out by pulling the groove.

The utility model is further provided with: and the outer wall of the bearing outer ring is provided with a groove corresponding to the limit snap ring.

Through above-mentioned technical scheme, the block of recess and spacing snap ring can play spacing effect to the reinforcement ring board, avoids needing a plurality of set screws to support when receiving vertical direction pressure.

The utility model is further provided with: the reinforcing ring plate, the limiting snap ring and the bearing outer ring are provided with a plurality of through holes and threaded holes corresponding to the fixing screws, and one side of the reinforcing ring plate is provided with a plurality of grooves corresponding to the fixing screw heads.

Through above-mentioned technical scheme, the spacing snap ring card on the reinforcing ring board is in recess department at last to adjust the through-hole alignment, insert a plurality of set screws that correspond, accomplish whole fixedly, also realized the reinforcement to rubber seal assembly when accomplishing further protection through the reinforcing ring board.

The beneficial effects of the utility model are as follows:

1. according to the utility model, the rubber sealing assembly is pressed on two sides of the outer ring of the bearing until the two side clamping rings are limited and clamped in the grooves, the strength of the whole rubber ring can be improved through the reinforcing ring with a metal structure, and the rubber ring can complete the sealing between the inner ring of the bearing and the outer ring of the bearing;

2. according to the utility model, through the reinforcing ring plate, a plurality of corresponding fixing screws are inserted to complete integral fixation, and the reinforcing ring plate is used for further protecting and reinforcing the rubber sealing assembly.

Drawings

FIG. 1 is a perspective view of the present utility model;

FIG. 2 is a longitudinal cross-sectional view of the present utility model;

FIG. 3 is a transverse cross-sectional view of the present utility model;

FIG. 4 is an enlarged view of a portion of FIG. 3 at A;

fig. 5 is an exploded construction view of the present utility model.

In the figure: 1. a bearing inner ring; 2. an outer ring of the bearing; 3. bearing balls; 4. a ball limiting frame; 5. a rubber seal assembly; 501. a rubber ring; 502. a side clasp; 503. a reinforcing ring; 6. reinforcing the annular plate; 7. a limiting snap ring; 8. and (5) fixing the screw.

Detailed Description

The preferred embodiments of the present utility model will be described in detail below with reference to the accompanying drawings so that the advantages and features of the present utility model can be more easily understood by those skilled in the art, thereby making clear and defining the scope of the present utility model.

Referring to fig. 1-3, a precision bearing structure comprises a bearing inner ring 1 and a bearing outer ring 2, wherein a plurality of bearing balls 3 are arranged between the outer wall of the bearing inner ring 1 and the inner wall of the bearing outer ring 2, grooves corresponding to the bearing balls 3 are formed in the outer wall of the bearing inner ring 1 and the inner wall of the bearing outer ring 2, the plurality of bearing balls 3 roll in the grooves of the outer wall of the bearing inner ring 1 and the inner wall of the bearing outer ring 2, the grooves can play a role in limiting the bearing balls 3, the bearing balls 3 play a role in supporting relative rotation between the bearing inner ring 1 and the bearing outer ring 2, friction is reduced, and a ball limiting frame 4 is arranged between the plurality of bearing balls 3;

as shown in fig. 1-4, rubber sealing assemblies 5 are arranged on both sides of the outer wall of the bearing inner ring 1 and the inner wall of the bearing outer ring 2, each rubber sealing assembly 5 comprises a rubber ring 501 clamped between one side of the bearing inner ring 1 and the inner wall of the bearing outer ring 2, two side clamping rings 502 are fixedly connected to the outer wall of each rubber ring 501, reinforcing rings 503 are arranged in each rubber ring 501, when the bearing inner ring is installed, lubricating oil is filled, ball limiting frames 4 are clamped on a plurality of bearing balls 3, the rubber sealing assemblies 5 are pressed on both sides of the bearing outer ring 2 until the two side clamping rings 502 are limited and clamped in grooves, the strength of the whole rubber ring 501 can be improved through the reinforcing rings 503 of a metal structure, the rubber rings 501 can finish sealing between the bearing inner ring 1 and the bearing outer ring 2, the cross section of each side clamping ring 502 is of a triangular structure, grooves corresponding to the side clamping rings 502 are formed in the inner wall of the bearing outer ring 2, the triangular structure can be contracted when the side clamping rings 502 of the rubber structure are conveniently pressed, the side clamping rings 502 are released when the triangular structure slides to the grooves, a plurality of grooves are formed in the outer sides of the rubber rings 501, and when the grooves are subsequently taken out, and the thin walls formed by pulling the grooves can be taken out;

as shown in fig. 1-5, reinforcing ring plates 6 are installed on two sides of the bearing outer ring 2, limiting snap rings 7 are fixedly connected to two reinforcing ring plates 6 on one side close to each other, grooves corresponding to the limiting snap rings 7 are formed in the outer wall of the bearing outer ring 2, the grooves and the limiting snap rings 7 are clamped to play a limiting role on the reinforcing ring plates 6, a plurality of fixing screws 8 are prevented from being required to support when the bearing outer ring 2 is subjected to vertical pressure, a plurality of fixing screws 8 are installed between the two reinforcing ring plates 6 and the bearing outer ring 2, a plurality of through holes and threaded holes corresponding to the fixing screws 8 are formed in the reinforcing ring plates 6, the limiting snap rings 7 and the bearing outer ring 2, a plurality of grooves corresponding to screw heads of the fixing screws 8 are formed in one side of the reinforcing ring plates 6, the limiting snap rings 7 on the grooves are finally aligned by adjusting the through holes, the corresponding fixing screws 8 are inserted to complete integral fixation, and reinforcement of the rubber sealing assembly 5 is achieved while further protection is achieved through the reinforcing ring plates 6.

When the bearing outer ring 2 is used, lubricating oil is filled, firstly, the ball limiting frames 4 are clamped on the plurality of bearing balls 3, the rubber sealing assemblies 5 are pressed on two sides of the bearing outer ring 2 until the two side clamping rings 502 are limited and clamped in the grooves, the strength of the whole rubber ring 501 can be improved through the reinforcing ring 503 with a metal structure, the rubber ring 501 can finish sealing between the bearing inner ring 1 and the bearing outer ring 2, finally, the limiting clamping rings 7 on the reinforcing ring plate 6 are clamped at the grooves, through holes are adjusted to be aligned, the corresponding plurality of fixing screws 8 are inserted, the whole fixation is finished, and the reinforcing of the rubber sealing assemblies 5 is realized while the further protection is finished through the reinforcing ring plate 6.

The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.

Claims

1. The utility model provides a precision bearing structure, includes bearing inner ring (1) and bearing outer ring (2), its characterized in that: a plurality of bearing balls (3) are arranged between the outer wall of the bearing inner ring (1) and the inner wall of the bearing outer ring (2), and a ball limiting frame (4) is arranged between the plurality of bearing balls (3);

the two sides of the outer wall of the bearing inner ring (1) and the two sides of the inner wall of the bearing outer ring (2) are respectively provided with a rubber sealing component (5), the two sides of the bearing outer ring (2) are respectively provided with a reinforcing ring plate (6), the two reinforcing ring plates (6) are respectively fixedly connected with a limiting snap ring (7) on one sides which are mutually close to each other, and a plurality of fixing screws (8) are respectively arranged between the reinforcing ring plates (6) and the bearing outer ring (2).

2. A precision bearing structure according to claim 1, characterized in that: grooves corresponding to the bearing balls (3) are formed in the outer wall of the bearing inner ring (1) and the inner wall of the bearing outer ring (2).

3. A precision bearing structure according to claim 1, characterized in that: the rubber sealing assembly (5) comprises a rubber ring (501) clamped between one side of the bearing inner ring (1) and the inner wall of the bearing outer ring (2), two side clamping rings (502) are fixedly connected to the outer wall of the rubber ring (501), and a reinforcing ring (503) is arranged inside the rubber ring (501).

4. A precision bearing structure according to claim 3, characterized in that: the cross section of the side clamping ring (502) is of a triangular structure, and grooves corresponding to the side clamping ring (502) are formed in the inner wall of the bearing outer ring (2).

5. A precision bearing structure according to claim 3, characterized in that: a plurality of grooves are formed in the outer side of the rubber ring (501).

6. A precision bearing structure according to claim 1, characterized in that: the outer wall of the bearing outer ring (2) is provided with a groove corresponding to the limit clamping ring (7).

7. A precision bearing structure according to claim 1, characterized in that: the reinforcing ring plate (6), the limiting snap ring (7) and the bearing outer ring (2) are provided with a plurality of through holes and threaded holes corresponding to the fixing screws (8), and one side of the reinforcing ring plate (6) is provided with a plurality of grooves corresponding to screw heads of the fixing screws (8).