CN219432279U

CN219432279U - Low friction rolling bearing

Info

Publication number: CN219432279U
Application number: CN202320653547.6U
Authority: CN
Inventors: 黄伦忠; 李啸镛; 包雪年
Original assignee: Ningbo Essen Boleyn Bearing Co ltd
Current assignee: Ningbo Essen Boleyn Bearing Co ltd
Priority date: 2023-03-29
Filing date: 2023-03-29
Publication date: 2023-07-28
Anticipated expiration: 2033-03-29

Abstract

The utility model discloses a low friction force rolling bearing, which comprises a device body, wherein an outer ring body is arranged in the device body, an inner ring body is arranged in the outer ring body, a ball is arranged between the outer ring body and the inner ring body, a liquid storage groove is formed in the outer ring body, an oil injection hole is formed in the liquid storage groove, a sealing plug is arranged in the oil injection hole, an oil outlet hole is formed in the liquid storage groove and penetrates through the inner side of the outer ring body, a sealing groove is formed in the inner wall of the outer ring body, two groups of sealing rings are arranged on the outer side of the inner ring body, an air bag is arranged on the outer side of the sealing ring, an air injection hole is formed in the air bag, and a sealing plug is arranged on the air injection hole, so that the continuous lubrication effect on the ball is realized, the problems of friction, noise and the like between the ball and the inner ring body are reduced, the service life of the bearing is prolonged, the reinforced sealing between the inner ring body and the outer ring body is realized, and the problems of lubricating oil leakage and the like caused by gaps between the inner ring body and the outer ring body are avoided.

Description

Low friction rolling bearing

Technical Field

The utility model relates to a rolling bearing, in particular to a low-friction rolling bearing, and belongs to the technical field of bearings.

Background

Rolling bearings are important basic components widely applied in the mechanical industry, whether IT be airplanes, automobiles, ships, machine tools, household appliances, IT machines and the like, the rolling bearings are basically separated from rotating places, and the existing rolling bearings generally comprise an outer ring and an inner ring, and the widths of the outer ring and the inner ring along the axial direction are equal.

The prior art has the following publication numbers: the rolling bearing provided by the utility model patent of CN 207131733U has the advantages that the resistance of the rolling element is small, the bearing idles for a long time under the action of inertia, the idle running is more durable, the entertainment effect of articles (such as toys) is improved, gaps are formed between the end surfaces of the rolling element and the first concave part and the second concave part, the rolling bearing can be used for a part of containers for impurities such as dust and the like, the impurities such as the dust and the like are reduced to interfere the rotation of the rolling element, but the rolling bearing does not have continuous lubrication effect, fatigue and abrasion easily occur during the use of the bearing, the bearing is more easily damaged due to the fatigue and abrasion, and the service life of the bearing is reduced; meanwhile, the ball bearing does not have the enhanced sealing effect on the inner ring body and the outer ring body of the bearing, in the using process, if gaps or poor sealing occur between the inner ring body and the outer ring body, the lubricating oil leakage or dust water stains can be caused to enter the bearing, so that the use and the safety of the ball bearing are affected, and therefore, the ball bearing needs to be upgraded and modified on the basis of the prior art.

Disclosure of Invention

The utility model aims to solve the technical problem of providing a low-friction rolling bearing, which can realize the continuous lubrication effect on balls, reduce the problems of friction, noise and the like between the balls and inner and outer ring bodies, prolong the service life of the bearing, realize the reinforced sealing between the inner and outer ring bodies, and avoid the problems of lubricating oil leakage and the like caused by gaps between the inner and outer ring bodies.

In order to solve the problems, the following technical scheme is provided:

the utility model provides a low friction antifriction bearing, includes the device body, this internal outer lane body that is provided with of device, be provided with the ball in the middle of the internal inner circle body and outer lane body and the inner circle body of outer lane, the internal reservoir of having seted up of outer lane and be provided with the oil filler point on the reservoir, install the gim peg in the oil filler point, set up oil outlet and oil outlet in the reservoir and run through to the external inboard of outer lane, the seal groove has been seted up on the internal wall of outer lane, the internal outside of inner lane is equipped with two sets of sealing washer and sealing washer outside and is equipped with the gasbag, the gasbag inboard is equipped with the gas filling hole, be equipped with the sealing plug on the gas filling hole.

Further, a retainer is sleeved on the ball.

Further, an inner lining ring is arranged on the inner wall of the outer ring body, and an oil outlet is formed in the inner lining ring and corresponds to the liquid storage tank.

Furthermore, the upper end of the oil filling hole is provided with a countersunk head hole, and the sealing bolt is in threaded connection with the oil filling hole and the head part is positioned in the countersunk head hole.

Further, an arc-shaped groove is formed in the outer side of the sealing ring, and the air bag is sleeved on the arc-shaped groove and the outer side of the air bag is located in the sealing groove.

Furthermore, a group of perforations are formed in the sealing ring, the gas injection holes are inserted into the perforations, and the upper ends of the gas injection holes are exposed out of the perforations.

Further, an upper sealing strip and a lower sealing strip are fixed on the inner ring of the sealing ring, and the upper sealing strip and the lower sealing strip are attached to the inner ring body.

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

1. according to the utility model, the liquid storage groove, the oil filling hole, the oil outlet and the sealing bolt are arranged in the device, lubricating oil is added into the liquid storage groove through the oil filling hole when the device is used, then the sealing bolt is in threaded connection with the oil filling hole to keep a sealing state, and the ball is in continuous contact with the lubricating oil through the oil outlet when rotating, so that the continuous lubricating effect on the ball can be realized, the problems of friction, noise and the like between the ball and the inner ring body are reduced, and the service life of the bearing is prolonged.

2. According to the utility model, the sealing ring, the air bag, the air injection hole, the upper sealing strip and the lower sealing strip are arranged in the device, and inert gas is injected into the air bag through the air injection hole when the device is used, the air bag is extruded in the sealing groove and pushes the sealing ring to shrink inwards, so that the upper sealing strip and the lower sealing strip are tightly pressed on the inner ring body, the reinforced sealing between the inner ring body and the outer ring body can be realized, the problems of lubricating oil leakage and the like caused by gaps between the inner ring body and the outer ring body are avoided, and the bearing quality is improved.

Specific embodiments of the utility model are disclosed in detail below with reference to the following description and drawings, indicating the manner in which the principles of the utility model may be employed. It should be understood that the embodiments of the utility model are not limited in scope thereby. The embodiments of the utility model include many variations, modifications and equivalents within the spirit and scope of the appended claims.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

FIG. 1 is a schematic view showing the overall structure of a low friction rolling bearing according to the present utility model;

FIG. 2 is a cross-sectional view showing an internal structure of a low friction rolling bearing according to the present utility model;

FIG. 3 is a cross-sectional view showing the structure of an outer ring body of a low friction rolling bearing according to the present utility model;

fig. 4 is an exploded view of a seal ring structure of a low friction rolling bearing according to the present utility model.

In the figure: 1. a device body; 2. an outer ring body; 3. an inner ring body; 4. a ball; 5. a retainer; 6. a liner ring; 7. a liquid storage tank; 8. an oil filling hole; 9. a countersunk hole; 10. an oil outlet hole; 11. a sealing bolt; 12. sealing grooves; 13. a seal ring; 14. an arc-shaped groove; 15. an air bag; 16. perforating; 17. an air injection hole; 18. a sealing plug; 19. a sealing strip is arranged; 20. and (5) a lower sealing strip.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

As shown in fig. 1-4, the low friction rolling bearing provided in this embodiment includes a device body 1, an outer ring body 2 is provided in the device body 1, an inner ring body 3 is provided in the outer ring body 2, balls 4 are provided between the outer ring body 2 and the inner ring body 3, a liquid storage tank 7 is provided in the outer ring body 2, an oil filling hole 8 is provided in the liquid storage tank 7, a sealing plug 11 is installed in the oil filling hole 8, an oil outlet 10 is provided in the liquid storage tank 7, the oil outlet 10 penetrates to the inner side of the outer ring body 2, a sealing groove 12 is provided in the inner wall of the outer ring body 2, two groups of sealing rings 13 are provided on the outer side of the inner ring body 3, an air bag 15 is provided on the outer side of the sealing ring 13, an air injection hole 17 is provided on the inner side of the air bag 15, and a sealing plug 18 is provided on the air injection hole 17.

Preferably, the balls 4 are sleeved with the retainer 5, so that stability of the balls 4 is kept, and collision and friction of a plurality of balls 4 between the ring bodies are avoided.

Preferably, the inner lining ring 6 is arranged on the inner wall of the outer ring body 2, the oil outlet 10 is formed in the inner lining ring 6 and corresponds to the liquid storage tank 7, the inner wall of the outer ring body 2 is convenient to protect, the abrasion problem between the inner lining ring and the balls 4 is avoided, and meanwhile lubricating oil is convenient to add.

Preferably, the upper end of the oil filling hole 8 is provided with a counter bore 9, the sealing bolt 11 is in screwed connection with the oil filling hole 8, the head is positioned in the counter bore 9, the oil filling hole 8 is convenient to be in screwed connection and seal, and meanwhile, the sealing bolt 11 can be hidden, so that the space is saved.

Preferably, the outer side of the sealing ring 13 is provided with an arc groove 14, the air bag 15 is sleeved on the arc groove 14, and the outer side of the air bag 15 is positioned in the sealing groove 12, so that the air bag 15 is conveniently mounted on the outer side of the sealing ring 13, and can be correspondingly placed in the sealing groove 12.

Preferably, the sealing ring 13 is provided with a set of through holes 16, the gas injection holes 17 are inserted into the through holes 16, and the upper ends of the gas injection holes 17 are exposed out of the through holes 16, so that the gas injection holes 17 can be conveniently installed, and can penetrate through the sealing ring 13 and be partially exposed out.

Preferably, an upper sealing strip 19 and a lower sealing strip 20 are fixed on the inner ring of the sealing ring 13, the upper sealing strip 19 and the lower sealing strip 20 are attached to the inner ring body 3, sealing attachment is conducted on the sealing ring 13 and the inner ring body 3 conveniently, and a double-layer sealing effect can be achieved.

The application principle and the application flow of the utility model are as follows: when the ball bearing is used, the inner lining ring 6 is arranged on the inner wall of the outer ring body 2, then the balls 4 are placed in the retainer 5 and are installed between the inner ring body 3 and the outer ring body 2, at the moment, the inner side of the sealing ring 13 is attached to the inner ring body 3, the air bag 15 is positioned in the sealing groove 12, the air bag 15 is inflated through the air injection hole 17 to enable the air bag 15 to expand and fully attach to the sealing groove 12, the air bag 15 pushes the upper sealing strip 19 to be in extrusion attachment with the lower sealing strip 20 and the inner ring body 3, at the moment, the sealing plug 18 is fixed in the air injection hole 17, then lubricating oil is added into the liquid storage tank 7 through the oil injection hole 8, after the sealing plug 11 is filled, the balls 4 continuously pass through the oil outlet 10 in the rotating process, the lubricating oil is smeared to the surface of the balls 4 through the oil outlet 10, the lubricating property of the balls 4 can be kept for a long time, and the problems of friction, noise and damage easily occurring to the balls 4 are reduced.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Finally, it should be noted that: the above is only a preferred embodiment of the present utility model, and the present utility model is not limited thereto, but it is to be understood that the present utility model is described in detail with reference to the foregoing embodiments, and modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. The utility model provides a low friction antifriction bearing, its characterized in that, including device body (1), be provided with outer lane body (2) in device body (1), be provided with inner circle body (3) and outer lane body (2) in outer lane body (2) and be equipped with ball (4) in the middle of inner circle body (3), be provided with oil filler point (8) on reservoir (7) and reservoir (7) in outer lane body (2), install sealing plug (11) in oil filler point (8), oil outlet (10) and oil outlet (10) run through to outer lane body (2) inboard in reservoir (7), seal groove (12) have been seted up on outer lane body (2) inner wall, the inner circle body (3) outside is equipped with two sets of sealing washer (13) and sealing washer (13) outside is equipped with gasbag (15), gasbag (15) inboard is equipped with gas injection hole (17), be equipped with sealing plug (18) on gas injection hole (17).

2. A low friction rolling bearing according to claim 1, characterized in that the balls (4) are provided with a cage (5).

3. The low-friction rolling bearing according to claim 1, wherein an inner lining ring (6) is arranged on the inner wall of the outer ring body (2), and an oil outlet (10) is formed in the inner lining ring (6) and corresponds to the liquid storage groove (7).

4. The low-friction rolling bearing according to claim 1, wherein a counter bore (9) is arranged at the upper end of the oil filling hole (8), the sealing bolt (11) is in threaded connection with the oil filling hole (8), and the head part of the sealing bolt is positioned in the counter bore (9).

5. The low-friction rolling bearing according to claim 1, wherein the outer side of the sealing ring (13) is provided with an arc-shaped groove (14), the air bag (15) is sleeved on the arc-shaped groove (14) and the outer side of the air bag is positioned in the sealing groove (12).

6. A low friction rolling bearing according to claim 1, wherein the sealing ring (13) is provided with a group of perforations (16), the gas injection holes (17) are inserted into the perforations (16) and the upper ends of the gas injection holes are exposed out of the perforations (16).

7. A low friction rolling bearing according to claim 1, characterized in that the inner ring of the sealing ring (13) is fixed with an upper sealing strip (19) and a lower sealing strip (20) and the upper sealing strip (19) and the lower sealing strip (20) are attached to the inner ring body (3).